CN103993834B - A kind of hydraulic reaming system - Google Patents
A kind of hydraulic reaming system Download PDFInfo
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- CN103993834B CN103993834B CN201410251717.3A CN201410251717A CN103993834B CN 103993834 B CN103993834 B CN 103993834B CN 201410251717 A CN201410251717 A CN 201410251717A CN 103993834 B CN103993834 B CN 103993834B
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Abstract
A kind of hydraulic reaming system, comprise high pressure drilling rod, drill bit and water supply installation, described drill bit comprises drill body, high-low pressure switches nozzle and the section of being tightly connected, drill body and the section of being tightly connected switch nozzle by high-low pressure and link together, and the section of being tightly connected is connected with the high pressure drilling rod driven on the rig of bit operation, high pressure drilling rod is connected with water supply installation, high-low pressure switches nozzle and comprises in it sprayer body offering the through hole I be communicated with cooling water, the two ends of sprayer body are connected with drill body and the section of being tightly connected respectively, the nozzle guiding valve of connected relation in automatically switch under hydraulic pressure effect through hole I and high pressure weep hole and a low pressure delivery hole is installed in the through hole I of sprayer body.The present invention can realize low-pressure water and water under high pressure binary channels, does not need to extract to change drilling rod and drill bit can realize, and switches nozzle can realize the switching passing into high and low setting-out by high-low pressure.
Description
Technical field
The present invention relates to a kind of water conservancy Counterboring apparatus, especially relate to a kind of hydraulic reaming system.
Background technology
According to mine gas control and plan, adopt the existing measure drawn out methane, gas density in boring often falls flat, mainly because gas permeability of coal seam is poor, researched and proposed the construction main points of hydraulic flushing in hole, hydraulic flushing in hole and elimination outburst mechanism of middle thereof by experiment, research shows, adopt floor roadway layer-through drilling and the extinction measure of hydraulic flushing in hole region, can effectively eliminate outstanding stress, significantly increase the gas permeability in coal seam, ensure the safe and efficient back production of work plane.
And when taking hydraulic pressure punching, need constantly to change rod bit, because start to pass into low-pressure water to adopt bit bore, then passing into water under high pressure carries out reaming, but must adopt the drilling rod of logical water under high pressure during reaming, changes quite trouble and need two covering devices.
Summary of the invention
When the object of the invention is for solving by hydraulic pressure reaming, need the problem changing drilling rod and drill bit, a kind of hydraulic reaming system is provided, the present invention can realize low-pressure water and water under high pressure binary channels, do not need to extract and change drilling rod and drill bit can realize, switch nozzle by high-low pressure and promote sliding valve movement under hydraulic pressure effect, can realize passing into height, the switching of low-pressure water, when passing into low-pressure water, now the pretightning force of spring is greater than hydraulic pressure to the active force of guiding valve now, the cavity that the counterbore of guiding valve and nozzle body is formed can be connected with the low-pressure water passed into, when passing into low-pressure water, achieving water under high pressure through hole and low-pressure water through hole all can water flowing, when passing into water under high pressure, because the active force of hydraulic pressure to guiding valve is greater than the pretightning force of spring, now spring is compacted, the cavity that the counterbore of guiding valve and nozzle body is formed is sealed, now only have high pressure limbers can water flowing, thus achieve the automatic switchover of water under high pressure and low-pressure water, and do not need to extract more bit change and can realize, the water supply installation simultaneously arranged can regulate hydraulic pressure, can control to supply water as water under high pressure or low-pressure water by the switch on hydraulic pressure conversion equipment.
The present invention is the deficiency solved the problems of the technologies described above, and the technical scheme adopted is:
A kind of hydraulic reaming system, comprise high pressure drilling rod, drill bit and water supply installation, described drill bit comprises drill body, high-low pressure switches nozzle and the section of being tightly connected, drill body and the section of being tightly connected switch nozzle by high-low pressure and link together, and the section of being tightly connected is connected with the high pressure drilling rod driven on the rig of bit operation, high pressure drilling rod is connected with water supply installation, drill body offers the low pressure water hole passing into low pressure cooling water, high-low pressure switches nozzle and comprises in it sprayer body offering the through hole I be communicated with cooling water, the two ends of sprayer body are connected with drill body and the section of being tightly connected respectively, sprayer body offers the high pressure weep hole of vertical its center line distribution, high pressure weep hole is all communicated with through hole I with low pressure delivery hole, the nozzle guiding valve of connected relation in automatically switch under hydraulic pressure effect through hole I and high pressure weep hole and a low pressure delivery hole is installed in the through hole I of sprayer body.
Nozzle guiding valve comprises nozzle body, spring, guiding valve and nozzle gland, described nozzle body is the cylinder offering counterbore, and counterbore total depth is less than the length of nozzle body, the aperture section of counterbore is communicated with high pressure weep hole, its aperture section surrounding offers one end and is communicated with the through hole II that the other end is communicated with the macropore section of counterbore with low pressure delivery hole, described guiding valve is the multidiameter shaft that a little mid diameter of two diameter is large, and the centre of axle offers the through hole III along its axis, one end that wherein diameter is little also offer along its diametric through hole IV, through hole IV is communicated with its axially extending bore III, in the counterbore that guiding valve is slidably arranged on nozzle body and the one end offering through hole IV is stretched in the aperture of counterbore, spring fitting is in the aperture of counterbore and support guiding valve and make to form cavity bottom large diameter one end of guiding valve and the macropore of counterbore, and through hole IV is all communicated with cavity with through hole II, guiding valve is fastened in nozzle body by fixing nozzle gland on the other end thereof.
Described water supply installation comprises water source, motor, water pump and hydraulic pressure conversion equipment, motor drives pump working, the water inlet of water pump is connected with water source by oral siphon, the delivery port of water pump is connected by the entrance of outlet pipe with hydraulic pressure conversion equipment, and the outlet of hydraulic pressure conversion equipment is connected on high pressure drilling rod by water pipe.
The pretightning force of described spring is less than the impulse force of high-pressure cooling water to nozzle guiding valve.
In described high pressure weep hole, high pressure nozzle is installed, and the axis of the water outlet direction of high pressure nozzle and nozzle guiding valve is 30 ° of-50 ° of angles.
The one end forming cavity bottom the macropore of the large diameter and counterbore of described guiding valve is provided with gasket seal.
Described high pressure drilling rod, comprise the body of rod that plural intersegmental part is hollow structure, comprise the described body of rod and comprise boring section, be positioned at connector and the Connection Block at boring section two ends, described connector comprises taper thread joint outer wall being provided with taper thread and the seal section I be connected to by taper thread joint in boring section, Connection Block comprises the taper thread seat offering taper thread hole and the seal section II coordinated with seal section I, described seal section I comprises the groove be opened on the body of rod and the sealing ring be arranged in groove, described seal section II be inner wall smooth and just and sealing ring form the smooth surface be sealed and matched.
Cooling Holes through is along its length offered in the described body of rod.
The described body of rod offers chip area and chip area is U-type groove.
The invention has the beneficial effects as follows: the present invention can realize low-pressure water and water under high pressure binary channels, do not need to extract and change drilling rod and drill bit can realize, switch nozzle by high-low pressure can realize passing into height, the switching of low-pressure water, when passing into low-pressure water, now the pretightning force of spring is greater than hydraulic pressure to the active force of guiding valve now, the cavity that the counterbore of guiding valve and nozzle body is formed can be connected with the low-pressure water passed into, when passing into low-pressure water, achieving water under high pressure through hole and low-pressure water through hole all can water flowing, when passing into water under high pressure, because the active force of hydraulic pressure to guiding valve is greater than the pretightning force of spring, now spring is compacted, the cavity that the counterbore of guiding valve and nozzle body is formed is sealed, now only have high pressure limbers can water flowing, thus achieve the automatic switchover of water under high pressure and low-pressure water, and do not need to extract more bit change and can realize, the water supply installation simultaneously arranged can regulate hydraulic pressure, can control to supply water for water under high pressure or lower than water by the switch on hydraulic pressure conversion equipment.
Accompanying drawing explanation
Fig. 1 is structure diagram of the present invention.
Fig. 2 is the structural representation of drill bit in the present invention.
Fig. 3 is the structural representation of guiding valve in the present invention.
Fig. 4 is the structural representation of nozzle body in the present invention.
Fig. 5 is the structural representation of mesohigh drilling rod of the present invention.
Fig. 6 is the cooperation scheme of installation of mesohigh drilling rod of the present invention.
Graphical indicia: 1, the section of being tightly connected; 2, sprayer body; 201, through hole I; 3, high pressure nozzle; 4, drill body; 5, low pressure water hole; 6, spring; 7, high pressure weep hole; 8, nozzle body; 801, through hole II; 9, gasket seal; 10, guiding valve; 1001, through hole III; 11, nozzle gland; 12, through hole IV; 13, high pressure drilling rod; 1301, seal section II; 1302, taper thread seat; 1303, boring section; 1304, taper thread joint; 1305, seal section I; 1306, Cooling Holes; 14, water source; 15, oral siphon; 16, motor; 17, hydraulic pressure conversion equipment; 18, water pipe; 19, water pump.
Detailed description of the invention
Shown in figure, detailed description of the invention is as follows:
A kind of hydraulic reaming system, comprise high pressure drilling rod 13, drill bit and water supply installation, described drill bit comprises drill body 4, high-low pressure switches nozzle and the section of being tightly connected 1, drill body 4 and the section of being tightly connected 1 switch nozzle by high-low pressure and link together, and the section of being tightly connected 1 is connected with the high pressure drilling rod 13 driven on the rig of bit operation, high pressure drilling rod 13 is connected with water supply installation, drill body 4 offers the low pressure water hole 5 passing into low pressure cooling water, high-low pressure switches nozzle and comprises in it sprayer body 2 offering the through hole I201 be communicated with cooling water, the two ends of sprayer body 2 are connected with drill body 4 and the section of being tightly connected 1 respectively, sprayer body 2 offers the high pressure weep hole 7 of vertical its center line distribution, high pressure weep hole 7 is all communicated with through hole I201 with low pressure delivery hole 5, the nozzle guiding valve of connected relation in automatically switch under hydraulic pressure effect through hole I and high pressure weep hole 7 and a low pressure delivery hole 5 is installed in the through hole I201 of sprayer body 2.
Nozzle guiding valve comprises nozzle body 8, spring 6, guiding valve 10 and nozzle gland 11, described nozzle body 8 is for offering the cylinder of counterbore, and counterbore total depth is less than the length of nozzle body 8, the aperture section of counterbore is communicated with high pressure weep hole 7, its aperture section surrounding offers one end and is communicated with the through hole II801 that the other end is communicated with the macropore section of counterbore with low pressure delivery hole 5, described guiding valve 10 is the multidiameter shaft that a little mid diameter of two diameter is large, and the centre of axle offers the through hole III1001 along its axis, one end that wherein diameter is little also offer along its diametric through hole IV12, through hole IV12 is communicated with its axially extending bore III1001, in the counterbore that guiding valve 10 is slidably arranged on nozzle body 8 and the one end offering through hole IV12 is stretched in the aperture of counterbore, support guiding valve 10 and make to form cavity bottom large diameter one end of guiding valve 10 and the macropore of counterbore in the aperture that spring 6 is arranged on counterbore, and through hole IV12 is all communicated with cavity with through hole II801, guiding valve 10 is fastened in nozzle body 8 by fixing nozzle gland 11 on the other end thereof.
Described water supply installation comprises water source 14, motor 16, water pump 19 and hydraulic pressure conversion equipment 17, motor 16 drives water pump 19 to work, the water inlet of water pump 19 is connected with water source 14 by oral siphon 15, the delivery port of water pump 19 is connected by the entrance of outlet pipe with hydraulic pressure conversion equipment 17, and the outlet of hydraulic pressure conversion equipment 17 is connected on high pressure drilling rod 13 by water pipe 18.
The pretightning force of described spring 6 is less than the impulse force of high-pressure cooling water to nozzle guiding valve.
In described high pressure weep hole 7, high pressure nozzle 3 is installed, and the axis of the water outlet direction of high pressure nozzle 3 and nozzle guiding valve is 30 ° of-50 ° of angles.
The one end forming cavity bottom the macropore of the large diameter and counterbore of described guiding valve 10 is provided with gasket seal 9.
Described high pressure drilling rod 13, comprise the body of rod that plural intersegmental part is hollow structure, comprise the described body of rod and comprise boring section 1303, be positioned at connector and the Connection Block at boring section 1303 two ends, described connector comprises the taper thread joint 1304 outer wall being provided with taper thread and the seal section I1305 be connected to by taper thread joint 1304 in boring section 1303, Connection Block comprises the taper thread seat 1302 offering taper thread hole and the seal section II1301 coordinated with seal section I1305, described seal section I1305 comprises the groove be opened on the body of rod and the sealing ring be arranged in groove, described seal section II1301 be inner wall smooth and just and sealing ring form the smooth surface be sealed and matched.
Cooling Holes 1306 through is along its length offered in the described body of rod.
The described body of rod offers chip area and chip area is U-type groove.
Technical scheme cited by the present invention and embodiment be not restriction, be equal to the technical scheme cited by the present invention and embodiment or effect same approach all in the scope that the present invention protects.
Claims (7)
1. a hydraulic reaming system, comprise high pressure drilling rod (13), drill bit and water supply installation, it is characterized in that: described drill bit comprises drill body (4), high-low pressure switches nozzle and the section of being tightly connected (1), drill body (4) and the section of being tightly connected (1) switch nozzle by high-low pressure and link together, and the section of being tightly connected (1) is connected with the high pressure drilling rod (13) driven on the rig of bit operation, high pressure drilling rod (13) is connected with water supply installation, drill body (4) offers the low pressure delivery hole (5) passing into low pressure cooling water, high-low pressure switch nozzle comprise in it through hole I(201 offering and be communicated with cooling water) sprayer body (2), the two ends of sprayer body (2) are connected with drill body (4) and the section of being tightly connected (1) respectively, sprayer body (2) offers the high pressure weep hole (7) of vertical its center line distribution, high pressure weep hole (7) and low pressure delivery hole (5) all with through hole I(201) be communicated with, the through hole I(201 of sprayer body (2)) in the through hole I(201 that automatically switches under hydraulic pressure effect is installed) with the nozzle guiding valve of high pressure weep hole (7) and low pressure delivery hole (5) connected relation,
Described nozzle guiding valve comprises nozzle body (8), spring (6), guiding valve (10) and nozzle gland (11), described nozzle body (8) is for offering the cylinder of counterbore, and counterbore total depth is less than the length of nozzle body (8), the aperture section of counterbore is communicated with high pressure weep hole (7), its aperture section surrounding offers one end and is communicated with the through hole II(801 that the other end is communicated with the macropore section of counterbore with low pressure delivery hole (5)), described guiding valve (10) is the multidiameter shaft that a little mid diameter of two diameter is large, and the centre of axle offers the through hole III(1001 along its axis), one end that wherein diameter is little also offers along its diametric through hole IV(12), through hole IV(12) with its axially extending bore III(1001) be communicated with, in the counterbore that guiding valve (10) is slidably arranged on nozzle body (8) and offer through hole IV(12) one end stretch in the aperture section of counterbore, support guiding valve (10) and make to form cavity bottom large diameter one end of guiding valve (10) and the macropore section of counterbore in the aperture section that spring (6) is arranged on counterbore, and through hole IV(12) with through hole II(801) be all communicated with cavity, guiding valve (10) is fastened in nozzle body (8) by fixing nozzle gland (11) on the other end thereof,
Described water supply installation comprises water source (14), motor (16), water pump (19) and hydraulic pressure conversion equipment (17), motor (16) drives water pump (19) work, the water inlet of water pump (19) is connected with water source (14) by oral siphon (15), the delivery port of water pump (19) is connected by the entrance of outlet pipe with hydraulic pressure conversion equipment (17), and the outlet of hydraulic pressure conversion equipment (17) is connected on high pressure drilling rod (13) by water pipe (18).
2. a kind of hydraulic reaming system according to claim 1, is characterized in that: the pretightning force of described spring (6) is less than the impulse force of high-pressure cooling water to nozzle guiding valve.
3. a kind of hydraulic reaming system according to claim 1, is characterized in that: be provided with high pressure nozzle (3) in described high pressure weep hole (7), and the water outlet direction of high pressure nozzle (3) and the axis of nozzle guiding valve are 30 ° of-50 ° of angles.
4. a kind of hydraulic reaming system according to claim 1, is characterized in that: the one end forming cavity bottom the macropore section of the large diameter and counterbore of described guiding valve (10) is provided with gasket seal (9).
5. a kind of hydraulic reaming system according to claim 1, it is characterized in that: described high pressure drilling rod (13) comprises the body of rod that plural intersegmental part is hollow structure, the body of rod comprises boring section (1303), be positioned at connector and the Connection Block at boring section (1303) two ends, connector comprises the taper thread joint (1304) outer wall being provided with taper thread and the seal section I(1305 be connected to by taper thread joint (1304) in boring section (1303)), Connection Block comprise the taper thread seat (1302) that offers taper thread hole and with seal section I(1305) the seal section II(1301 that coordinates), described seal section I(1305) comprise the groove be opened on the body of rod and the sealing ring be arranged in groove, described seal section II(1301) for inner wall smooth and just and sealing ring form the smooth surface be sealed and matched.
6. a kind of hydraulic reaming system according to claim 5, is characterized in that: offer Cooling Holes (1306) through along its length in the described body of rod.
7. a kind of hydraulic reaming system according to claim 5, is characterized in that: the described body of rod offers chip area and chip area is U-type groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251717.3A CN103993834B (en) | 2014-06-09 | 2014-06-09 | A kind of hydraulic reaming system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251717.3A CN103993834B (en) | 2014-06-09 | 2014-06-09 | A kind of hydraulic reaming system |
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| CN103993834A CN103993834A (en) | 2014-08-20 |
| CN103993834B true CN103993834B (en) | 2015-12-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108547604B (en) * | 2018-06-20 | 2023-04-11 | 河南理工大学 | Drilling and stamping integrated device and method |
| CN112796656A (en) * | 2020-12-30 | 2021-05-14 | 中国矿业大学 | Drilling robot for coal protective layer mining |
| CN114233290B (en) * | 2021-12-17 | 2023-07-21 | 河南理工大学 | Coal breaking pressure relief and reflection increase device and method for hydrodynamic flexible cutter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7473337B2 (en) * | 2004-04-22 | 2009-01-06 | Curtiss-Wright Flow Control Corporation | Remotely controlled decoking tool used in coke cutting operations |
| CN101413380B (en) * | 2008-11-20 | 2010-10-13 | 重庆大学 | Multifunctional self-oscillation flow jet flow drill |
| US8066334B2 (en) * | 2009-07-17 | 2011-11-29 | Ruhrpumpen Gmbh | Tool for cutting coke and other hard materials in drums |
| CN102852547B (en) * | 2012-09-28 | 2014-08-27 | 西安美尼矿山设备科技有限公司 | Drilling and cutting integrated outburst preventing and permeability improving system for mines |
| CN103291219B (en) * | 2013-06-29 | 2014-12-17 | 河南理工大学 | Drilling and punching integrated hydraulic drill bit |
| CN203867461U (en) * | 2014-06-09 | 2014-10-08 | 平顶山市安泰华矿用安全设备制造有限公司 | Hydraulic reaming system |
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