CN1776185A - High-pressure water jet drill bit capable of punching and cutting by switching of water pressure - Google Patents

High-pressure water jet drill bit capable of punching and cutting by switching of water pressure Download PDF

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Publication number
CN1776185A
CN1776185A CN 200510048133 CN200510048133A CN1776185A CN 1776185 A CN1776185 A CN 1776185A CN 200510048133 CN200510048133 CN 200510048133 CN 200510048133 A CN200510048133 A CN 200510048133A CN 1776185 A CN1776185 A CN 1776185A
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China
Prior art keywords
pressure
housing
drill bit
water jet
core
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CN 200510048133
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CN100335738C (en
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冯增朝
赵阳升
康军
常宗旭
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Taiyuan University of Technology
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Taiyuan University of Technology
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Application granted granted Critical
Publication of CN100335738C publication Critical patent/CN100335738C/en
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Abstract

This invention discloses high pressured hydraulic jet drill for punching or slitting, which contains drill core, reset spring, pressure adjusting valve, positioning press head with flow guiding hole installed on tail part of shell, the inner cavity of drill core and shell is sliding fit and with flow guiding way. Said invention uses high pressured water as medium and power to switch work state to simplify drill structure with repeatedly switching function in hydraulic punching and slitting.

Description

The high-pressure water jet drill bit of punched hole capable of water pressure switch, slot
Technical field:
The invention belongs to mining and creeping into the field, relating to a kind of employing high pressure water jet, the various rock ore beds in underground, ground are implemented large aperture level, vertical and turn round and creep into waterpower drill bit with slot.
Background technology:
In order to improve the permeability of rock mass, can in boring, carry out slot to rock mass, rock mass is broken, to increase the crack quantity in the rock mass.High pressure water jet is a new technology that grows up, and is characterized in concentrating by the energy height of high-pressure water jet, and high efficiency broken rock and cutting etc. are implemented in the rock stratum, ore deposit.At present, the operating type of the waterpower drill bit of employing high pressure water jet is more single, is mainly used in water jet boring.CN1451839A discloses a kind of " 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 not only, and do not possess the function of switching repeatedly.Simultaneously, because the drilling technique of water jet in the stratum is still immature, CN1451839A disclosed " waterpower drill bit ", the operating efficiency of its boring is lower than the boring of machine cut formula, therefore, fails at present to be promoted widely.In addition, under many specific conditions, for example in the gas in the colliery boring extraction operation,, need on the basis of existing boring, carry out hydraulic flushing in hole and hydraulic slotted liner technique in order to increase work efficiency, make full use of existing boring.Because above-mentioned " waterpower drill bit " can not carry out the hydraulic slotted liner technique operation, therefore, make high pressure water jet be difficult to further be promoted in the field of creeping in existing boring.
Summary of the invention:
The objective of the invention is to overcome the shortcoming of prior art, the high-pressure water jet drill bit of a kind of punched hole capable of water pressure switch, slot is provided, it with water under high pressure as working media, press water is as the power of drill bit duty switching simultaneously, not only simplified the structure of drill bit, and has a function of switch operating state repeatedly, can be implemented in the existing boring, adopt water-jet technology to carry out hydraulic flushing in hole and the operation of water jet slot, high pressure water jet is applied in the field of creeping into widely.
The present invention is achieved through the following technical solutions its goal of the invention:
The high-pressure water jet drill bit of a kind of punched hole capable of water pressure switch, slot comprises; Housing, the shower nozzle that is connected with the housing top.Described housing inner chamber is equipped with the brill core successively, back-moving spring, pressure-regulating valve, boring core is three step axles that diameter is different, the inner chamber of its major diameter shaft part and housing is slidingly matched, and be provided with flow-guiding channel and vertical pod apertures along axis, the endoporus of minor diameter shaft part and pressure-regulating valve is slidingly matched, back-moving spring is sleeved on the stage casing of step axle, housing is provided with horizontal flow-guiding channel and vertical flow-guiding channel, the housing afterbody is installed the location pressure head that contains pod apertures, the pod apertures diameter of location pressure head should be guaranteed to bore core and can only move in installing hole less than the external diameter that bores the core termination.
Between described housing and the shower nozzle, between housing inner chamber and the pressure-regulating valve, be provided with the O RunddichtringO between housing and the location pressure head.
The present invention compared with prior art has the following advantages and beneficial effect:
Bore core owing to be provided with the step that contains flow-guiding channel, becomes diameter, bore the core compression spring that resets at drill bit housing inner chamber, and with bore the pressure-regulating valve that core is slidingly matched, make that boring core can move back and forth along the housing inner chamber under the driving of press water.In addition, housing is provided with horizontal flow-guiding channel and vertical flow-guiding channel, when central low pressure current are worked, the pressure of water is less than the compressive force of spring, bore the flow-guiding channel of core and the horizontal flow-guiding channel of housing and be communicated with, the vertical flow-guiding channel sealing on the housing, drill bit is in the punching state; After the pressure of current increased, the pressure of water bored core by water pressure pushing greater than the compressive force of back-moving spring, bored the horizontal flow-guiding channel sealing of the flow-guiding channel and the housing of core, and the vertical flow-guiding channel on the housing is opened, and drill bit is in water jet slot state.Thereby working media-press water of having realized using drill bit not only has the function of switch operating state repeatedly, and has simplified the structure of drill bit as the power that switches punching, slot duty.Can in existing boring, adopt water-jet technology to carry out hydraulic flushing in hole and the operation of water jet slot, high pressure water jet is widely used in the field of creeping into.
Below in conjunction with accompanying drawing, the present invention is further illustrated by preferred embodiment.
Description of drawings:
Fig. 1 is the structural representation of the high-pressure water jet drill bit of a kind of punched hole capable of water pressure switch, slot;
Fig. 2 is the structural representation of drill bit when being in the hydraulic slotted liner technique state.
The specific embodiment:
As shown in Figure 1, 2, the high-pressure water jet drill bit of a kind of punched hole capable of water pressure switch, slot comprises; Housing 2, the shower nozzle 6 that is connected with the housing top.Described housing inner chamber is equipped with successively and bores core 3, back-moving spring 4, pressure-regulating valve 5.Boring core 3 is three step axis structures that diameter is different, the inner chamber of its major diameter shaft part and housing 2 is slidingly matched, and be provided with flow-guiding channel 10 and vertical pod apertures 11 along axis, the endoporus of minor diameter shaft part and pressure-regulating valve 5 is slidingly matched, back-moving spring 4 is sleeved on the stage casing of step axle, housing 2 is provided with horizontal flow-guiding channel 9 and vertical flow-guiding channel 12, and housing 2 afterbodys are installed the location pressure head 1 that contains pod apertures 14.
Described location pressure head 6, the diameter of its pod apertures 14 should be less than the external diameter that bores the core termination.
Between described housing 2 and the shower nozzle 6, between housing inner chamber and the pressure-regulating valve 5, be provided with O RunddichtringO 7,8,13 between housing 2 and the location pressure head 1.
Because the pressure higher (at least between 5～30MPa) of working media, hydraulic action can reach kilograms up to a hundred in the power of boring the core end face, can't select to be suitable for the back-moving spring of work.For this reason, the present invention will bore the step-like cylinder that core is designed to different-diameter, dwindle active area, reduce current at the pressure that bores on the core, thereby can select for use the compression spring as the return unit that bores core.
The course of work of the present invention:
Drill bit is installed in the continuous steel pipe end, is full of the water of certain pressure in the continuous steel pipe, and the high-pressure water jet drill bit of punched hole capable of water pressure switch, slot is sent in the boring by continuous steel pipe.When the pressure of current hours (5～30MPa), pressure is less than the thrust of back-moving spring 5, the pod apertures 9 of current pod apertures 10 and drill bit housing is unimpeded on the brill core 3, pod apertures 12 is closed, drill bit is in hydraulic flushing in hole state (Fig. 1), the drilling cuttings in drill bit the place ahead in the cleaning boring in time can be sent at the bottom of the boring hole drill bit smoothly.When needs carry out the slot operation, improve the pressure (30～70MPa) of current in the continuous steel pipe, because the pressure of current is greater than the thrust of back-moving spring 5, boring core 3 moves under the effect of water flow pressure, close the pod apertures 11 of hydraulic flushing in hole, simultaneously, the pod apertures 12 of the jet slot of fetching boiling water, drill bit is in hydraulic slotted liner technique state (Fig. 2), finishes the slot operation.

Claims (3)

1, the high-pressure water jet drill bit of a kind of punched hole capable of water pressure switch, slot comprises; Housing (2), the shower nozzle (6) that is connected with the housing top, it is characterized in that: described housing inner chamber is equipped with and bores core (3), back-moving spring (4), pressure-regulating valve (5), boring core (3) is three step axles that diameter is different, the inner chamber of its major diameter shaft part and housing (2) is slidingly matched, and be provided with flow-guiding channel (10) and vertical pod apertures (11) along axis, the endoporus of minor diameter shaft part and pressure-regulating valve (5) is slidingly matched, back-moving spring (4) is sleeved on the stage casing of step axle, housing (2) is provided with horizontal flow-guiding channel (9) and vertical flow-guiding channel (12), and the location pressure head (1) that contains pod apertures (14) is installed at housing (2) rear portion.
2, according to the described high-pressure water jet drill bit of claim 1, it is characterized in that: described location pressure head (6), the diameter of its pod apertures (14) should be less than the external diameter that bores the core termination.
3, according to the described high-pressure water jet drill bit of claim 1, it is characterized in that: between described housing (2) and the shower nozzle (6), between housing inner chamber and the pressure-regulating valve (5), be provided with O RunddichtringO (7,8,13) between housing (2) and the location pressure head (1).
CNB2005100481337A 2005-11-26 2005-11-26 High-pressure water jet drill bit capable of punching and cutting by switching of water pressure Expired - Fee Related CN100335738C (en)

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Cited By (18)

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CN100535395C (en) * 2007-04-06 2009-09-02 中国矿业大学 Gridding type layer-through drilling pore group permeability-increasing gas pumping method
CN101413380B (en) * 2008-11-20 2010-10-13 重庆大学 Multifunctional self-oscillation flow jet flow drill
CN101864899A (en) * 2010-06-17 2010-10-20 山西潞安环保能源开发股份有限公司 Self-control shooting distance water jet drill
CN101881150A (en) * 2010-06-17 2010-11-10 山西潞安环保能源开发股份有限公司 Hydraulic cutting nozzle with residue filer device
CN101899949A (en) * 2010-04-30 2010-12-01 辽宁工程技术大学 Multifunctional scour-preventing jet flow drilling and joint-cutting spray head for coal bed
CN101936160A (en) * 2010-08-11 2011-01-05 郑州煤炭工业(集团)有限责任公司 Three-soft coal bed rotary-cut drilling elimination outburst method and rotary-cut drilling device
CN102465712A (en) * 2010-11-15 2012-05-23 湖南汉寿中煤科技有限公司 Drilling-cutting-linked coal layer gas drainage and outburst prevention system and method based on ultra-long drilling and high-pressure water jetting
WO2012065295A1 (en) * 2010-11-15 2012-05-24 湖南汉寿中煤科技有限公司 System and method for gas drainage and outburst prevention in coal seam by drill-cut linkage of long drilling hole and high pressure water jet
CN102619469A (en) * 2012-04-13 2012-08-01 辽宁工程技术大学 Device for hole drilling, seam cutting and pressure relief of coal seam
CN103291219A (en) * 2013-06-29 2013-09-11 河南理工大学 Drilling and punching integrated hydraulic drill bit
CN103443387A (en) * 2011-02-25 2013-12-11 Cmte发展有限公司 Fluid drilling head with sliding gauging ring
CN103527096A (en) * 2013-10-22 2014-01-22 张晓银 Mining drilling and cutting integrated drill bit
CN103993837A (en) * 2014-06-09 2014-08-20 平顶山市安泰华矿用安全设备制造有限公司 High-low pressure automatic switching drill bit for hydraulic punching
CN104747071A (en) * 2015-01-12 2015-07-01 徐州博安科技发展有限责任公司 Waterpower drilling, cutting and sewing method
CN106194190A (en) * 2016-08-30 2016-12-07 河南铁福来装备制造股份有限公司 A kind of the high-low pressure current of unidirectional filtration can automatically change water cutter from row's powder formula
CN108756751A (en) * 2018-06-22 2018-11-06 河南理工大学 It is a kind of prevention Gas Outburst brill rush automatic switching control equipment and mash gas outburst prevention method
CN110397404A (en) * 2019-07-30 2019-11-01 中国矿业大学 A kind of hydraulic machinery convolution cutting integrated drilling radial direction groover
CN113323591A (en) * 2021-05-27 2021-08-31 中煤科工集团沈阳研究院有限公司 Ultrahigh pressure fluid pressure conversion device

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CN1125915C (en) * 2000-12-16 2003-10-29 太原理工大学 High-pressure water jet controllable spin drill bit
CN1236195C (en) * 2003-04-18 2006-01-11 太原理工大学 Hydraulic drill bit capable of remote controlling drilling, slotting and deflection correction
CN2683822Y (en) * 2004-02-25 2005-03-09 石油大学(华东) Super-high pressure double flow passage PDC drill head

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Publication number Priority date Publication date Assignee Title
CN100535395C (en) * 2007-04-06 2009-09-02 中国矿业大学 Gridding type layer-through drilling pore group permeability-increasing gas pumping method
CN101413380B (en) * 2008-11-20 2010-10-13 重庆大学 Multifunctional self-oscillation flow jet flow drill
CN101899949B (en) * 2010-04-30 2012-08-29 辽宁工程技术大学 Multifunctional scour-preventing jet flow drilling and joint-cutting spray head for coal bed
CN101899949A (en) * 2010-04-30 2010-12-01 辽宁工程技术大学 Multifunctional scour-preventing jet flow drilling and joint-cutting spray head for coal bed
CN101864899A (en) * 2010-06-17 2010-10-20 山西潞安环保能源开发股份有限公司 Self-control shooting distance water jet drill
CN101881150A (en) * 2010-06-17 2010-11-10 山西潞安环保能源开发股份有限公司 Hydraulic cutting nozzle with residue filer device
CN101881150B (en) * 2010-06-17 2013-04-17 山西潞安环保能源开发股份有限公司 Hydraulic cutting nozzle with residue filer device
CN101864899B (en) * 2010-06-17 2012-07-25 山西潞安环保能源开发股份有限公司 Self-control shooting distance water jet drill
CN101936160A (en) * 2010-08-11 2011-01-05 郑州煤炭工业(集团)有限责任公司 Three-soft coal bed rotary-cut drilling elimination outburst method and rotary-cut drilling device
CN102465712A (en) * 2010-11-15 2012-05-23 湖南汉寿中煤科技有限公司 Drilling-cutting-linked coal layer gas drainage and outburst prevention system and method based on ultra-long drilling and high-pressure water jetting
WO2012065295A1 (en) * 2010-11-15 2012-05-24 湖南汉寿中煤科技有限公司 System and method for gas drainage and outburst prevention in coal seam by drill-cut linkage of long drilling hole and high pressure water jet
CN102465712B (en) * 2010-11-15 2015-01-28 湖南汉寿中煤科技有限公司 Drilling-cutting-linked coal layer gas drainage and outburst prevention system and method based on ultra-long drilling and high-pressure water jetting
US9528323B2 (en) 2011-02-25 2016-12-27 Cmte Development Limited Fluid drilling head with sliding gauging ring
CN103443387B (en) * 2011-02-25 2016-01-20 Cmte发展有限公司 There is the Fluid drilling head of slip ring gauge
CN103443387A (en) * 2011-02-25 2013-12-11 Cmte发展有限公司 Fluid drilling head with sliding gauging ring
CN102619469B (en) * 2012-04-13 2013-12-11 辽宁工程技术大学 Device for hole drilling, seam cutting and pressure relief of coal seam
CN102619469A (en) * 2012-04-13 2012-08-01 辽宁工程技术大学 Device for hole drilling, seam cutting and pressure relief of coal seam
CN103291219B (en) * 2013-06-29 2014-12-17 河南理工大学 Drilling and punching integrated hydraulic drill bit
CN103291219A (en) * 2013-06-29 2013-09-11 河南理工大学 Drilling and punching integrated hydraulic drill bit
CN103527096A (en) * 2013-10-22 2014-01-22 张晓银 Mining drilling and cutting integrated drill bit
CN103993837A (en) * 2014-06-09 2014-08-20 平顶山市安泰华矿用安全设备制造有限公司 High-low pressure automatic switching drill bit for hydraulic punching
CN104747071A (en) * 2015-01-12 2015-07-01 徐州博安科技发展有限责任公司 Waterpower drilling, cutting and sewing method
CN106194190A (en) * 2016-08-30 2016-12-07 河南铁福来装备制造股份有限公司 A kind of the high-low pressure current of unidirectional filtration can automatically change water cutter from row's powder formula
CN106194190B (en) * 2016-08-30 2018-10-30 河南铁福来装备制造股份有限公司 A kind of high-low pressure flow automatic conversion water knife that can be unidirectionally filtered from row's powder formula
CN108756751A (en) * 2018-06-22 2018-11-06 河南理工大学 It is a kind of prevention Gas Outburst brill rush automatic switching control equipment and mash gas outburst prevention method
CN108756751B (en) * 2018-06-22 2023-05-26 河南理工大学 Automatic drilling and flushing switching device for preventing and controlling gas outburst and gas outburst prevention method
CN110397404A (en) * 2019-07-30 2019-11-01 中国矿业大学 A kind of hydraulic machinery convolution cutting integrated drilling radial direction groover
CN113323591A (en) * 2021-05-27 2021-08-31 中煤科工集团沈阳研究院有限公司 Ultrahigh pressure fluid pressure conversion device
CN113323591B (en) * 2021-05-27 2024-01-26 中煤科工集团沈阳研究院有限公司 Ultrahigh-pressure fluid pressure conversion device

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C06 Publication
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C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Guangdong Yongtong Hoisting Machinery Co., Ltd

Assignor: Taiyuan University of Technology

Contract fulfillment period: 2007.12.11 to 2012.12.10 contract change

Contract record no.: 2009440001091

Denomination of invention: High-pressure water jet drill bit capable of punching and cutting by switching of water pressure

Granted publication date: 20070905

License type: Exclusive license

Record date: 2009.8.6

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.12.11 TO 2012.12.10; CHANGE OF CONTRACT

Name of requester: GUANGDONG YONGTONG HOISTING MACHINERY CO., LTD.

Effective date: 20090806

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070905

Termination date: 20121126