WO2019144663A1 - Chariot de forage minier et dispositif intégré de forage et de retrait de poussière associé - Google Patents

Chariot de forage minier et dispositif intégré de forage et de retrait de poussière associé Download PDF

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Publication number
WO2019144663A1
WO2019144663A1 PCT/CN2018/112282 CN2018112282W WO2019144663A1 WO 2019144663 A1 WO2019144663 A1 WO 2019144663A1 CN 2018112282 W CN2018112282 W CN 2018112282W WO 2019144663 A1 WO2019144663 A1 WO 2019144663A1
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WO
WIPO (PCT)
Prior art keywords
dust
drilling
drill
exhaust fan
air
Prior art date
Application number
PCT/CN2018/112282
Other languages
English (en)
Chinese (zh)
Inventor
杨威
林柏泉
路长征
宋浩然
林明华
贾茹
Original Assignee
中国矿业大学
徐州博安科技发展有限责任公司
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 中国矿业大学, 徐州博安科技发展有限责任公司 filed Critical 中国矿业大学
Publication of WO2019144663A1 publication Critical patent/WO2019144663A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/025—Rock drills, i.e. jumbo drills

Definitions

  • the invention relates to the technical field of mining equipment, in particular to a drilling and dust removing integrated device for a mining drill car and a mining drilling vehicle.
  • an object of the present invention is to provide an integrated drilling and dust removing device for a mining rig, which not only ensures the dust removing effect, but also simplifies the structure of the mining rig, thereby improving the flexibility of the mining boring machine. Easy to use.
  • a second object of the present invention is to provide a mining rig.
  • a drilling and dust removing integrated device for a mining rig includes: a drill pipe; a drill motor, the drill motor driving the drill pipe during operation For the drilling work; the dust collecting hood, the dust collecting cover is disposed corresponding to the drill pipe; the cyclone dust collector, the air inlet of the cyclone dust collector is connected to the dust collecting cover through a dust removing duct; The suction port of the exhaust fan is connected to the air outlet of the cyclone through a dust removal duct, and the exhaust fan is electrically connected to the drill motor through a transmission mechanism, wherein the drill motor drives the motor during operation The exhaust fan is operated to extract dust-containing air generated by drilling the drill rod at the dust collecting hood into the cyclone dust collector for dust removal, and pump the dust-removed air to the exhaust fan to pass The exhaust vent of the exhaust fan is discharged.
  • a drilling and dust removing integrated device for a mining rig is provided with a dust collecting hood, a cyclone dust collector and a suction fan which are sequentially connected, and drives the exhaust fan by using a drilling motor driven by the drill pipe.
  • the dust-laden air generated by drilling the drill rod at the dust collecting hood is pumped to the cyclone dust collector for dust removal, thereby not only ensuring the dust removing effect, optimizing the working environment of the drilling work, and improving the safety of the drilling work. It also simplifies the structure of the mining rig, thereby increasing the flexibility and ease of use of the mining machine.
  • drilling and dust removing integrated device for the mining rig may further have the following additional technical features:
  • the drilling and dust removing integrated device of the mining rig includes: a gearbox, wherein an input shaft of the gearbox is dynamically connected to the rig motor through a transmission mechanism, and an output shaft of the gearbox A power connection is made to the exhaust fan, and the gearbox is used to adjust the rotational speed of the exhaust fan.
  • the drilling and dust removing integrated device of the mining rig includes: a dust removing filter screen, the dust removing filter net is disposed at an air exhaust opening of the exhaust fan, and the dust removing filter mesh is used for the opposite The air discharged from the exhaust port of the exhaust fan is filtered.
  • the cyclone is a plurality of, and the plurality of cyclones are connected in parallel between the dust collecting hood and the exhaust fan.
  • the transmission mechanism comprises a conveyor belt or a gear.
  • a second aspect of the present invention provides a mining rig comprising a drilling and dust removing integrated device for a mining rig according to the first aspect of the present invention.
  • the mining drill truck according to the embodiment of the invention not only has a dust removing function, but also has a simple structure, high flexibility and convenient use.
  • FIG. 1 is a schematic structural view of a mining rig according to an embodiment of the present invention
  • FIG. 2 is a schematic structural view of a drill motor and an exhaust fan according to an embodiment of the present invention
  • FIG 3 is a schematic structural view of a drill motor and a gearbox according to an embodiment of the present invention.
  • Drilling motor 1 drill pipe 2, track 3,
  • Dust hood 10 Dust hood 10, cyclone 20, exhaust fan 30, dust removal duct 40, transmission mechanism 50, dust filter screen 60, gearbox 70,
  • the wind wheel 31 is a conveyor belt 51.
  • FIG. 1 is a schematic structural view of a mining rig according to an embodiment of the present invention.
  • the drilling and dust removing integrated device of the embodiment of the present invention comprises a drill motor 1 (not shown in FIG. 1 , see FIG. 2 and FIG. 3 ), a drill pipe 2 , a dust collecting cover 10 , and a cyclone dust removal device.
  • the drilling motor is an explosion-proof motor, and the drilling motor 1 can drive the drill pipe 2 to drill for drilling work.
  • the mining rig can include a crawler belt 3 that supports the rig body and can drive the rig body to move.
  • the dust collecting hood 10 is disposed corresponding to the drill pipe 2; the air inlet of the cyclone 20 is connected to the dust collecting hood 10 through the dust removing duct 40; the air vent of the air venting fan 30 passes through the dust removing duct 40 and the air outlet of the cyclone 20 Connected, the exhaust fan 30 is dynamically connected to the drill motor 1 via a transmission mechanism.
  • the rig motor 1 can drive the ventilator 30 to operate, so as to pump the dusty air generated by the drill pipe 2 at the dust collecting hood 10 into the cyclone 20 for dust removal. And the dust-removed air is drawn to the exhaust fan 30 to be discharged through the exhaust port of the exhaust fan 30.
  • the transmission mechanism can include a conveyor belt or gear.
  • the transmission mechanism 50 as a conveyor belt 51 as an example.
  • the drilling motor 1 can drive the drill pipe 2 while driving, and the wind wheel 31 in the suction fan 30 can be rotated by the conveyor belt 51, and the wind wheel 31 rotates.
  • the generated negative pressure can provide the cyclone dust 20 with airflow rotational power, and the negative pressure is transmitted to the dust collecting hood 10 to suck the dusty air at the drill hole.
  • the dusty air enters the cyclone 20 the airflow will change from a linear motion to a circular motion to form a swirling airflow.
  • the same direction of rotation can be from the middle of the cyclone 20, from the bottom to the top, continuing the spiral flow, and entering the exhaust through the air outlet of the cyclone 20. 30, finally discharged through the exhaust vent of the exhaust fan 30.
  • a drilling and dust removing integrated device for a mining rig is provided with a dust collecting hood, a cyclone dust collector and a suction fan which are sequentially connected, and drives the exhaust fan by using a drilling motor driven by the drill pipe.
  • the dust-laden air generated by drilling the drill rod at the dust collecting hood is pumped to the cyclone dust collector for dust removal, thereby not only ensuring the dust removing effect, optimizing the working environment of the drilling work, and improving the safety of the drilling work. It also simplifies the structure of the mining rig, thereby increasing the flexibility and ease of use of the mining machine.
  • the exhaust fan 30 can also be powered indirectly by the drill rig, that is, the exhaust fan 30 can be operated by any power source already existing on the mining rig without introducing an additional power source. Thereby achieving the above beneficial effects.
  • the drilling and dust removing integrated device may further include a dust filter screen 60, and the dust filter screen 60 may be disposed on the exhaust fan 30. At the exhaust vent, the dust filter 60 can be used to filter the air discharged from the exhaust vent of the blower 30.
  • the drilling and dust removing integrated device of the mining rig of the embodiment of the present invention may further include a gearbox 70.
  • the input shaft of the gearbox 70 can be dynamically coupled to the drill motor 1 via a transmission mechanism (including, for example, a conveyor belt and a gear, such as the conveyor belt 51 in FIG. 3), and the output shaft of the transmission 70 can be powered by the exhaust fan 30.
  • the gearbox 70 can be used to adjust the speed of the blower 30. By adjusting the rotational speed of the exhaust fan 30, it is possible to generate negative pressures and suction air volumes of different sizes, thereby facilitating changing the amount of dust removal according to the amount of dust generated by drilling.
  • the speed of the drill motor 1 is generally based on the rotational speed requirement or the drilling force requirement of the drill pipe during the drilling operation. It is adjusted and not suitable for adjustment according to the demand of dust removal.
  • the transmission 70 having a plurality of gear positions, when the transmission 70 is switched to a different gear position, the rotation speed of the suction fan 30 can be changed, thereby adjusting the amount of dust removal.
  • the gearbox 70 in the drilling and dust removing integrated device, the drilling and dust removing integrated device for the mining rig according to the embodiment of the present invention can be applied to various occasions.
  • the cyclone 20 may be multiple, and the plurality of cyclone 20 are connected in parallel between the dust collecting cover 10 and the exhaust fan 30, that is, each cyclone.
  • the air inlet of the 20 is connected to the dust collecting hood 10 through a dust removing duct, and the air outlet of each cyclone 20 is connected to the air inlet of the exhaust fan 30 through a dust removing duct.
  • the dust collecting hood 10 can also be connected to the slide of the mining rig through a mobile connecting mechanism.
  • the mobile connecting mechanism may include a first rotating disk, a first telescopic rod, a second telescopic rod and a second rotating disc, and the rotating end of the first rotating disc is detachably connected to the sidewall of the dust collecting cover 10;
  • the rod is connected to the fixed end of the first rotating disc by the first bending piece;
  • the second telescopic rod is connected to the first telescopic rod by the second bending part;
  • the rotating end of the second rotating disc is connected with the second telescopic rod, the second
  • the fixed end of the rotating disc is detachably connected to the slide of the mining rig.
  • the dust collecting hood 10 can be moved to adjust the orientation of the dust inlet by the rotation of the first rotating disk; by the extension and contraction of the first telescopic rod, the dust collecting hood 10 and the first rotating disk can be integrally along
  • the first telescopic rod moves in the longitudinal direction; by the extension and contraction of the second telescopic rod, the dust collecting cover 10, the first rotating disc and the first telescopic rod can be moved along the longitudinal direction of the second telescopic rod;
  • the rotation of the second rotating disk allows the dust collecting hood 10, the first rotating disk, the first telescopic rod, and the second telescopic rod to move as a whole. Therefore, the orientation of the dust inlet can be changed according to the application requirements of the mining drill truck, and the shape and the occupied space of the movable dust collecting hood assembly can be changed, so that the mining rig can quickly adapt to different application environments.
  • the dust collecting hood 10 has a special shape and can be worn on the drill pipe 2.
  • the dust collecting cover 10 may include a tapered outer cover, a cylindrical outer cover, a tapered inner baffle, a first blocking member, and a second blocking member.
  • the top opening of the conical outer cover cooperates with one end opening of the cylindrical outer cover, and the side wall opening of the cylindrical outer cover serves as a dust outlet of the dust collecting cover 10, and the tapered outer cover opens a first notch along the direction of the conical generatrix;
  • the plate is correspondingly disposed in the conical outer cover, and the conical inner baffle opens a second notch at a corresponding position with the first notch, and the conical inner baffle and the conical outer cover are connected by the baffle connecting shaft, and the taper
  • the bottom opening of the inner baffle is smaller than the bottom opening of the conical outer cover, and a first suction opening is formed between the bottom opening of the conical inner baffle and the bottom opening of the conical outer cover, and the side wall of the conical inner baffle is at least a second suction port;
  • the first blocking member cooperates with the other end opening of the cylindrical outer cover, the first sealing member has a first drill rod connection port, and the second sealing member and the top portion of the tapered
  • the internal pressure of the borehole will spray the dust from the hole, and under the influence of the wind flow of the roadway, the dust flows toward the wind direction of the roadway, and the dust collecting hood 10 is arranged under the wind flow.
  • the gap is in the wind, and the dust can be sucked through the first suction port and the second suction port, and passes through a cavity between the tapered inner baffle and the tapered outer cover, a cavity in the cylindrical outer cover, and is discharged from the dust outlet.
  • the shape and proportion of the second suction port in the above structure can be designed according to actual application requirements, and a good dust suction effect can be achieved.
  • the first notch and the second notch on the dust collecting cover 10 can cause the massive particles at the drilling hole to be affected by gravity, and naturally fall from the notch, and the operator can observe the dust at the dust collecting cover 10 through the notch. Flow and drilling slag discharge.
  • the present invention also proposes a mining rig.
  • the mining rig of the embodiment of the present invention includes the drilling and dust removing integrated device for the mining rig according to the above embodiment of the present invention, and the specific implementation manner thereof can refer to the above embodiment, in order to avoid redundancy, no longer Narration.
  • the mining drill truck according to the embodiment of the invention not only has a dust removing function, but also has a simple structure, high flexibility and convenient use.
  • the description of the terms “one embodiment”, “some embodiments” and the like means that the specific features, structures, materials or characteristics described in connection with the embodiments or examples are included in at least one embodiment of the present invention. Or in the example. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, various embodiments or examples described in the specification, as well as features of various embodiments or examples, may be combined and combined.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)

Abstract

L'invention concerne un dispositif intégré de forage et de retrait de poussière d'un chariot de forage minier, comprenant : un tube de forage (2) ; un moteur de chariot de forage (1) mis en rotation pour amener le tube de forage à forer ; une hotte à poussière (10) disposé de manière correspondante au tube de forage ; un dépoussiéreur à cyclone (20) ayant une entrée d'air reliée au capot à poussière au moyen d'un conduit d'évacuation de poussière (40) ; et un ventilateur d'échappement (30) ayant une ouverture d'échappement reliée à une sortie d'air du dépoussiéreur à cyclone au moyen du conduit de retrait de poussière (40). Le ventilateur d'échappement est en connexion électrique avec le moteur de chariot de forage au moyen d'un mécanisme de transmission (50), et le moteur de chariot de forage tourne pour amener le ventilateur d'échappement à fonctionner, de telle sorte que l'air contenant de la poussière généré au moyen du forage du tube de forage au niveau de la hotte à poussière est pompé dans le dépoussiéreur à cyclone pour éliminer la poussière, et que l'air dépoussiéré est pompé vers le ventilateur d'échappement de façon à être évacué d'une sortie d'air du ventilateur d'échappement. Le dispositif peut assurer l'effet de retrait de poussière et simplifier la structure du chariot de forage minier, de façon à améliorer la flexibilité et la commodité d'utilisation du chariot de forage minier. L'invention concerne également un chariot de forage minier équipé du dispositif.
PCT/CN2018/112282 2018-01-25 2018-10-29 Chariot de forage minier et dispositif intégré de forage et de retrait de poussière associé WO2019144663A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810071101.6A CN108561077A (zh) 2018-01-25 2018-01-25 矿用钻车及其打钻除尘一体化装置
CN201810071101.6 2018-01-25

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Cited By (2)

* Cited by examiner, † Cited by third party
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CN110617019A (zh) * 2019-10-22 2019-12-27 贵州盘江精煤股份有限公司 一种用于打钻防喷的降尘装置
CN113638762A (zh) * 2021-09-02 2021-11-12 山西路桥第七工程有限公司 一种隧道除尘装置

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* Cited by examiner, † Cited by third party
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CN108561077A (zh) * 2018-01-25 2018-09-21 中国矿业大学 矿用钻车及其打钻除尘一体化装置
CN110984982B (zh) * 2019-12-12 2021-03-26 河南大有能源股份有限公司新安煤矿 一种用于煤矿采煤机的除尘装置及使用方法
CN110984854B (zh) * 2019-12-24 2021-10-22 许芳艳 一种水利工程用便于移动的钻孔机及其钻孔方法
CN111963085B (zh) * 2020-08-26 2023-01-17 中国矿业大学 一种掘进工作面风力排渣液压钻车的除尘装置

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US6332308B1 (en) * 1999-06-04 2001-12-25 Rodney Miller Air filtration device for use with roof drill
CN202325233U (zh) * 2011-10-25 2012-07-11 西安建筑科技大学 一种履带式液压锚杆钻车
WO2013120475A2 (fr) * 2012-02-18 2013-08-22 Cft Gmbh Compact Filter Technic Dispositif de forage à sec avec aspiration des déblais de forage
CN204212720U (zh) * 2014-12-16 2015-03-18 中国水利水电第四工程局有限公司 一种钻孔除尘装置
CN206071492U (zh) * 2016-08-22 2017-04-05 中国水利水电第八工程局有限公司 用于高陡边坡的钻孔装置
CN106246122A (zh) * 2016-08-31 2016-12-21 广东顺德孔山重工机械有限公司 一种两级干式除尘装置以及具有该除尘装置的潜孔钻机
CN108561077A (zh) * 2018-01-25 2018-09-21 中国矿业大学 矿用钻车及其打钻除尘一体化装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110617019A (zh) * 2019-10-22 2019-12-27 贵州盘江精煤股份有限公司 一种用于打钻防喷的降尘装置
CN113638762A (zh) * 2021-09-02 2021-11-12 山西路桥第七工程有限公司 一种隧道除尘装置
CN113638762B (zh) * 2021-09-02 2024-02-09 山西路桥第七工程有限公司 一种隧道除尘装置

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