CN102619469A - Device for hole drilling, seam cutting and pressure relief of coal seam - Google Patents
Device for hole drilling, seam cutting and pressure relief of coal seam Download PDFInfo
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- CN102619469A CN102619469A CN2012101073265A CN201210107326A CN102619469A CN 102619469 A CN102619469 A CN 102619469A CN 2012101073265 A CN2012101073265 A CN 2012101073265A CN 201210107326 A CN201210107326 A CN 201210107326A CN 102619469 A CN102619469 A CN 102619469A
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Abstract
The invention belongs to devices for coaling mining drilling of coal mines and particularly relates to a device for hole drilling, seam cutting and pressure relief of a coal seam. The right end of a high pressure hard rubber hose (7) is connected with the rear end of an automatic rotating joint (8), the other end of the automatic rotating joint (8) is movably connected with an automatic rotating joint connector (18) and is sealed with a sealing ring (19), the automatic rotating joint connector (18) is in threaded connection with the left end of a multifunctional sprayer casing (10), an inner silencing sleeve (15) is installed on the periphery of the multifunctional sprayer casing (10), an outer silencing sleeve (9) is installed outside the inner silencing sleeve (15), and a drill bit (12) is installed on the right end face of the multifunctional sprayer casing (10). A high-pressure pump is arranged inside the device for hole drilling, seam cutting and pressure relief of a coal seam to achieve high-pressure hole drilling, a hollow sphere is put in after hole drilling to achieve high-pressure seam cutting and to achieve seam cutting of 360 degrees on a cutting face, effects of seam cutting and pressure relief are enhanced while the cutting efficiency is improved, and the silencing sleeves are arranged on a multifunctional sprayer to greatly reduce noise.
Description
Technical field
The invention belongs to the boring equipment of coal mining, particularly a kind of coal bed drilling slot pressure relief device.
Background technology
Bump is one of serious dynamic disaster that occurs in the process of coal mining; The coal seam release is the main method of avoiding or slowing down bump; Exploitation liberation layer, in the coal seam boring be the coal seam release effectively, have a measure of essence; But exploitation liberation layer can not be realized the release in this coal seam, and receives the restriction of many factors such as geological conditions, and the boring release is influenced by bore diameter and release scope.The employed equipment in colliery is rig boring mostly at present, and there are problems such as length is motionless apart from the large aperture brill, bit freezing in this method in High Ground Stress Areas, and this brings a lot of problems for the machine drilling release.
In recent years, high pressure water jet is introduced the anti-reflection extinction of coal bed drilling, the high-pressure water jet work system produces very big noise in boring, in the slot process, and operating personnel's health is had very big harm.In addition, creep into slot be two complete equipments, after boring is accomplished, change slot drill bit slot again, withdraw from drilling rod when changing the slot drill bit, often stride sealing of hole and cause the slot failure because of the coal seam.Also have, adopt the waterpower drill bit of high pressure water jet to be mainly used in water jet boring at present, mode is more single.CN451839A disclosed " the waterpower drill bit of remote controlled boring, slot and correction "; Though can carry out water jet boring and two kinds of operations of water jet slot; But the drill bit conversion of operation state must be by the pressure oil that provides in addition as switching power, complex structure.CN1776185A disclosed " the high-pressure water jet drill bit of punched hole capable of water pressure switch, slot ", but drill bit fixes can only be from the cutting of nozzle direction during slot, and can only be implemented in and switch punching, slot in the existing boring.CN201810206U disclosed " high-pressure water jet bores and expands integrated apparatus ", it can only realize low pressure boring, the high pressure slot, the low pressure drilling efficiency is low.All in all existing technology exists the slot can only be big from nozzle direction cutting, noise, can only low pressure boring, and the slit of each slot is less, can not satisfy shortcomings such as coal seam release.
Summary of the invention
The objective of the invention is to overcome above-mentioned technical deficiency, a kind of simple in structure, easy to operate, little coal bed drilling slot pressure relief device of generation noise is provided.
The technical scheme that technical solution problem of the present invention adopts is: coal bed drilling slot pressure relief device comprises water tank, water-supply-pipe, high-pressure pump, high pressure flexible rubber hose, hydraulic control valve, sebific duct propeller, high pressure hard sebific duct, is characterized on the right-hand member head of high pressure hard sebific duct, connecting automatic swivel joint rear end, and the other end of swivel joint flexibly connects automatic swivel joint connector automatically; And seal with sealing ring; Automatically the swivel joint connector left end of shell body of multifunctional nozzle that is threaded is at outer Sound damping cover in the dress, the Sound damping cover outside the outside of interior Sound damping cover is adorned placed of multifunctional nozzle shell body; On the right side of multifunctional nozzle shell body, adorn drill bit; Drill bit is inserted in the central through hole of multifunctional nozzle shell body, the corresponding cross section of laying the slot nozzle that three equidistance are set on the periphery of multifunctional nozzle shell body and inside and outside Sound damping cover, and the corresponding equidistance in each cross section is established four slot nozzles; Front end is provided with three parallel boring nozzles on drill bit; The boring nozzle is communicated with tank in the drill bit, and the inlet opening is communicated with the drill bit tank on the drill bit, in the central through hole of multifunctional nozzle shell body, is provided with the spring mounting groove; In the spring mounting groove, lining is housed; Lining outside shock mount, the spring left side connects the right boss of mobile, the central through hole place dress hollow ball of mobile's left end; The drill bit inlet opening is communicated with the lining central through hole, and the lining central through hole communicates with the mobile central through hole.
The invention has the beneficial effects as follows: the high-pressure pump of establishing in the coal bed drilling slot pressure relief device, realize high pressure boring, boring is put into hollow ball after accomplishing, and can realize the high pressure slot again.Be connected automatic swivel joint between high pressure ebonite pipe and the multifunctional nozzle, make the multifunctional nozzle can 360 degree rotations, be implemented in cut surface 360 degree slots; Three slot nozzle cross-sections are set on multifunctional nozzle, and four slot nozzles are established in each cross section, have increased the width of each cutting; Strengthen cutting release effect when improving cutting efficiency, when low pressure, opened a slot nozzle cross-section and can also realize punching, can realize high pressure boring, high pressure slot, low pressure punching; In the slot process, can realize high pressure slot and low pressure punching exchange; On multifunctional nozzle, exist to put Sound damping cover, greatly reduce noise, improved work situation.
Description of drawings
Specify with embodiment below in conjunction with accompanying drawing.
Fig. 1 is coal bed drilling slot pressure relief device structure annexation figure.
Fig. 2 is a multifunctional nozzle structure chart among Fig. 1.
Among the figure, the 1-water tank; The 2-water-supply-pipe; The 3-high-pressure pump; 4-high pressure flexible rubber hose; The 5-hydraulic control valve; 6-sebific duct propeller; 7-high pressure hard sebific duct; The automatic swivel joint of 8-; The outer Sound damping cover of 9-; 10-multifunctional nozzle shell body; 10-1-shell body central through hole; 10-2-slot nozzle; 10-3-spring mounting groove; The 11-spring; The 12-drill bit; 12-1-drill bit inlet opening; 12-2-drill bit tank; The 12-3-nozzle of holing; The 13-lining; 13-1-lining central through hole; The 14-spring; Sound damping cover in the 15-; 16-mobile; 16-1-mobile central through hole; The 17-hollow ball; The automatic swivel joint connector of 18-; The 19-sealing ring.
The specific embodiment
Embodiment; With reference to accompanying drawing 1, coal bed drilling slot pressure relief device is on the side of water tank 1, to be communicated with water-supply-pipe 2, and water-supply-pipe 2 is communicated with a side of high-pressure pump 3; The opposite side of high-pressure pump 3 is communicated with high pressure flexible rubber hose 4, dress hydraulic control valve 5 between high pressure flexible rubber hose 4 and high pressure hard sebific duct 7.High pressure hard sebific duct 7 middle dress sebific duct propeller 6, another termination of high pressure hard sebific duct 7 connects automatic swivel joint 8, and swivel joint 8 is with automatic swivel joint connector 18 flexible connections and with sealing ring 19 sealings automatically.Automatically swivel joint connector 18 is connected with the left end head thread of multifunctional nozzle shell body 10.Sound damping cover 15 in the peripheral equipment of multifunctional nozzle shell body 10 is nonmetal, at the outer Sound damping cover 9 of the big metal material of the peripheral equipment intensity of interior Sound damping cover 15.Be fixedly connected with outer these 10 outer-diameter threads of multifunctional nozzle in the right-hand member of outer Sound damping cover 9.Plug-in mounting drill bit 12 on the central through hole 10-1 of multifunctional nozzle shell body 10 Inner Front End head; Drill bit inlet opening 12-1 is established in the rear end in drill bit 12; Middle is established drill bit tank 12-2 in drill bit 12; Be communicated with three parallel boring nozzle 12-3 at drill bit tank 12-2 front end, drill bit tank 12-2 rear end is communicated with drill bit inlet opening 12-1.On the central through hole 10-1 of multifunctional nozzle shell body 10, be provided with spring mounting groove 10-3; In spring mounting groove 10-3, spring 14 is housed; Fixing dress lining 13 connects mobile 16 in the left side of spring 14 in the spring 14, and the right-hand member of mobile 16 has boss; The boss of mobile 16 is used for spring mounting groove 10-3 activity spacing, is provided with hollow ball 17 at the central through hole 16-1 of mobile 16 right-hand member head.The cross section of laying the slot nozzle that correspondence is established three equidistance on multifunctional nozzle shell body 10 and interior Sound damping cover 15 and outer Sound damping cover 9; Each cross section correspondence is established four slot nozzle 10-2, and shell body central through hole 10-1, lining central through hole 13-1, drill bit inlet opening 12-1 all are communicated with.
The course of work of coal bed drilling slot pressure relief device is following: 1, start high-pressure pump 3 pressure that supplies water in the water-supply-pipe 2 and flow are improved; Regulate hydraulic control valve 5 to specifying high pressure; Current flow out from the boring nozzle 12-3 of multifunctional nozzle, realize the high pressure boring to coal seam 11; 2, be bored into designated depth after; Put into hollow ball 17 from high pressure ebonite pipe 7, start high-pressure pump 3, pressure that supplies water and flow are improved; Regulate the high pressure of hydraulic control valve 5 to appointment; Toward axially drill bit 12 directions compression, the hollow ball 17 sealing central through hole 16-1 of mobile promptly seal drill bit inlet opening 12-1 passage to hollow ball 17 in the following mobile 16 of hydraulic action; Open the water stream channel of the radially slot nozzle 10-2 on multifunctional nozzle shell body 10 and the inside and outside Sound damping cover 15,9 simultaneously, realize the high pressure slot; 3, after position, a certain hole slot finishes; Regulate the low-pressure of hydraulic control valve 5 to appointment; Hollow ball is stopped 17 sealings and is flowed to axial drilling nozzle 12-3 water stream channel, opens slot nozzle 10-2 water stream channel on 10 1 sections of multifunctional nozzle shell body simultaneously, realizes the low pressure punching; 4, after the slot punching of position, a certain hole finishes, return and remove high pressure hard sebific duct 7 and carry out the slot punching to next position, hole; When dismantling instrument after 5, the boring slot is accomplished, need close high-pressure pump 3 earlier, treat to carry out dismantlement work again behind the ponding release pressure in drill bit 12 and the drilling rod.
Claims (1)
1. coal bed drilling slot pressure relief device; Comprise water tank (1), water-supply-pipe (2), high-pressure pump (3), high pressure flexible rubber hose (4), hydraulic control valve (5), sebific duct propeller (6), high pressure hard sebific duct (7); It is characterized in that on the right-hand member head of high pressure hard sebific duct (7), connecting automatic swivel joint (8) rear end; Automatically the other end of swivel joint (8) flexibly connects automatic swivel joint connector (18); And seal with sealing ring (19); Automatically swivel joint connector (18) left end of shell body (10) of multifunctional nozzle that is threaded is at outer Sound damping cover (15) in the dress, the Sound damping cover (9) outside the outside of interior Sound damping cover (15) is adorned placed of multifunctional nozzle shell body (10); On the right side of multifunctional nozzle shell body (10), adorn drill bit (12); Drill bit (12) is inserted in the central through hole (10-1) of multifunctional nozzle shell body (10), the corresponding cross section of laying slot nozzle (10-2) that three equidistance are set on the periphery of multifunctional nozzle shell body (10) and inside and outside Sound damping cover (15,9), and the corresponding equidistance in each cross section is established four slot nozzles (10-2); Go up front end at drill bit (12) and be provided with three parallel boring nozzles (12-3); Boring nozzle (12-3) is communicated with tank (12-2) in the drill bit (12), and inlet opening (12-1) is communicated with drill bit tank (12-2) on the drill bit (12), in the central through hole (10-1) of multifunctional nozzle shell body (10), is provided with spring mounting groove (10-3); Lining (13) is housed in spring mounting groove (10-3); Lining (13) outside shock mount (11), spring (11) left side connects the right boss of mobile (16), and the central through hole (16-1) of mobile (16) left end locates to adorn hollow ball (17); Drill bit inlet opening (12-1) is communicated with lining central through hole (13-1), and lining central through hole (13-1) communicates with mobile central through hole (16-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101073265A CN102619469B (en) | 2012-04-13 | 2012-04-13 | Device for hole drilling, seam cutting and pressure relief of coal seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101073265A CN102619469B (en) | 2012-04-13 | 2012-04-13 | Device for hole drilling, seam cutting and pressure relief of coal seam |
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| CN102619469A true CN102619469A (en) | 2012-08-01 |
| CN102619469B CN102619469B (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101073265A Expired - Fee Related CN102619469B (en) | 2012-04-13 | 2012-04-13 | Device for hole drilling, seam cutting and pressure relief of coal seam |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150500A (en) * | 2016-08-26 | 2016-11-23 | 中煤科工集团重庆研究院有限公司 | Ultrahigh pressure hydraulic drilling, expanding and cutting integrated device |
| CN106593518A (en) * | 2017-01-05 | 2017-04-26 | 煤炭科学技术研究院有限公司 | Pulse water jet progressive grooving device and method used in underground borehole |
| CN109268061A (en) * | 2018-11-27 | 2019-01-25 | 山西鸿海科贸有限公司 | A kind of New Energy increases the device of cracks in coal seam |
| CN109989752A (en) * | 2019-05-13 | 2019-07-09 | 西安科技大学 | A kind of internal-injection type static crushing coal seam country rock pressure relief device |
| CN110159212A (en) * | 2019-06-24 | 2019-08-23 | 邹城兖矿泰德工贸有限公司 | Erosion control release drilling rod spin adapter |
| CN112112580A (en) * | 2020-10-13 | 2020-12-22 | 侯江伟 | Hydraulic cave-making mechanism without withdrawing drill rod for underground drilling of coal mine |
| CN112593999A (en) * | 2020-12-24 | 2021-04-02 | 山西晋煤集团技术研究院有限责任公司 | Directional long-drilling hydraulic permeability increasing method for soft coal seam and/or soft and hard composite coal seam |
| CN113818878A (en) * | 2021-10-28 | 2021-12-21 | 烟台杰瑞石油装备技术有限公司 | Hydraulic fracturing rock breaking method and system |
| CN114542073A (en) * | 2022-04-26 | 2022-05-27 | 矿冶科技集团有限公司 | Hard rock mining method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0884446A2 (en) * | 1997-06-13 | 1998-12-16 | Tracto-Technik Paul Schmidt Spezialmaschinen | Drilling apparatus |
| US6050352A (en) * | 1996-11-08 | 2000-04-18 | Thompson; Michael C. | Drilling technique utilizing drilling fluids directed on low angle cutting faces |
| EP1225299A1 (en) * | 2001-01-22 | 2002-07-24 | Compagnie Du Sol | High pressure fluid jet drilling tool |
| CN1451839A (en) * | 2003-04-18 | 2003-10-29 | 太原理工大学 | Hydraulic drill bit capable of remote controlling drilling, slotting and deflection correction |
| CN1776185A (en) * | 2005-11-26 | 2006-05-24 | 太原理工大学 | High-pressure water jet drill bit capable of punching and cutting by switching of water pressure |
| US20100243266A1 (en) * | 2009-03-26 | 2010-09-30 | Petro-Surge Well Technologies Llc | System and method for longitudinal and lateral jetting in a wellbore |
| CN201810206U (en) * | 2009-09-30 | 2011-04-27 | 重庆飞尔达机械有限责任公司 | High pressure water jet drilling and expanding integrated device |
| CN202117705U (en) * | 2011-05-17 | 2012-01-18 | 重庆创泰矿山机械有限公司 | Water cutting device for converting high pressure and low pressure |
| CN202520224U (en) * | 2012-04-13 | 2012-11-07 | 辽宁工程技术大学 | Coal seam drilling, seam cutting and pressure releasing device |
-
2012
- 2012-04-13 CN CN2012101073265A patent/CN102619469B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6050352A (en) * | 1996-11-08 | 2000-04-18 | Thompson; Michael C. | Drilling technique utilizing drilling fluids directed on low angle cutting faces |
| EP0884446A2 (en) * | 1997-06-13 | 1998-12-16 | Tracto-Technik Paul Schmidt Spezialmaschinen | Drilling apparatus |
| EP1225299A1 (en) * | 2001-01-22 | 2002-07-24 | Compagnie Du Sol | High pressure fluid jet drilling tool |
| CN1451839A (en) * | 2003-04-18 | 2003-10-29 | 太原理工大学 | Hydraulic drill bit capable of remote controlling drilling, slotting and deflection correction |
| CN1776185A (en) * | 2005-11-26 | 2006-05-24 | 太原理工大学 | High-pressure water jet drill bit capable of punching and cutting by switching of water pressure |
| US20100243266A1 (en) * | 2009-03-26 | 2010-09-30 | Petro-Surge Well Technologies Llc | System and method for longitudinal and lateral jetting in a wellbore |
| CN201810206U (en) * | 2009-09-30 | 2011-04-27 | 重庆飞尔达机械有限责任公司 | High pressure water jet drilling and expanding integrated device |
| CN202117705U (en) * | 2011-05-17 | 2012-01-18 | 重庆创泰矿山机械有限公司 | Water cutting device for converting high pressure and low pressure |
| CN202520224U (en) * | 2012-04-13 | 2012-11-07 | 辽宁工程技术大学 | Coal seam drilling, seam cutting and pressure releasing device |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150500A (en) * | 2016-08-26 | 2016-11-23 | 中煤科工集团重庆研究院有限公司 | Ultrahigh pressure hydraulic drilling, expanding and cutting integrated device |
| CN106593518A (en) * | 2017-01-05 | 2017-04-26 | 煤炭科学技术研究院有限公司 | Pulse water jet progressive grooving device and method used in underground borehole |
| CN106593518B (en) * | 2017-01-05 | 2020-08-11 | 煤炭科学技术研究院有限公司 | Pulse water jet progressive grooving method in underground drill hole |
| CN109268061A (en) * | 2018-11-27 | 2019-01-25 | 山西鸿海科贸有限公司 | A kind of New Energy increases the device of cracks in coal seam |
| CN109989752A (en) * | 2019-05-13 | 2019-07-09 | 西安科技大学 | A kind of internal-injection type static crushing coal seam country rock pressure relief device |
| CN109989752B (en) * | 2019-05-13 | 2023-12-19 | 西安科技大学 | Internal injection type static broken coal bed surrounding rock pressure relief device |
| CN110159212A (en) * | 2019-06-24 | 2019-08-23 | 邹城兖矿泰德工贸有限公司 | Erosion control release drilling rod spin adapter |
| CN110159212B (en) * | 2019-06-24 | 2024-01-23 | 山东兖能泰德重工有限公司 | Anti-impact pressure relief drill rod self-rotating joint |
| CN112112580A (en) * | 2020-10-13 | 2020-12-22 | 侯江伟 | Hydraulic cave-making mechanism without withdrawing drill rod for underground drilling of coal mine |
| CN112593999A (en) * | 2020-12-24 | 2021-04-02 | 山西晋煤集团技术研究院有限责任公司 | Directional long-drilling hydraulic permeability increasing method for soft coal seam and/or soft and hard composite coal seam |
| CN113818878A (en) * | 2021-10-28 | 2021-12-21 | 烟台杰瑞石油装备技术有限公司 | Hydraulic fracturing rock breaking method and system |
| CN114542073A (en) * | 2022-04-26 | 2022-05-27 | 矿冶科技集团有限公司 | Hard rock mining method |
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Granted publication date: 20131211 Termination date: 20140413 |