CN203867461U - Hydraulic reaming system - Google Patents
Hydraulic reaming system Download PDFInfo
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- CN203867461U CN203867461U CN201420302623.XU CN201420302623U CN203867461U CN 203867461 U CN203867461 U CN 203867461U CN 201420302623 U CN201420302623 U CN 201420302623U CN 203867461 U CN203867461 U CN 203867461U
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- hole
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- high pressure
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Abstract
A hydraulic reaming system comprises a high-pressure drilling rod, a drilling head and a water supplying device. The drilling head comprises a drilling head body, a high pressure and low pressure switching nozzle and a sealed connecting section, wherein the drilling head body and the sealed connecting section are connected through the high pressure and low pressure switching nozzle. Furthermore, the sealed connecting section is connected with a high-pressure drilling stem, the high-pressure drilling stem is arranged on a drilling machine and used for driving the drilling head to work, and the high-pressure drilling stem is connected with the water supplying device. The high pressure and low pressure switching nozzle comprises a spray head body, a first through hole is formed in the spray head body and communicated with cooling water, the two ends of the spray head body are respectively connected with the drilling head body and the sealed connecting section, a nozzle slide valve is arranged in the first through hole of the spray head body, and the nozzle slide valve is used for automatically switching the communication relationship between the first through hole and a high-pressure water outlet and the communication relationship between the first through hole and a low-pressure water outlet in the action of water pressure. The hydraulic reaming system can achieve double channels of high pressure water and low pressure water without pulling out the drilling stem and the drilling head and can switch high pressure water and low pressure water through the high pressure and low pressure switching nozzle.
Description
Technical field
The utility model relates to a kind of water conservancy Counterboring apparatus, especially relates to a kind of hydraulic reaming system.
Background technology
Administer planning according to mine gas, adopt the existing measure drawing out methane, gas density in boring often falls flat, be mainly because gas permeability of coal seam is poor, researched and proposed by experiment construction main points, hydraulic flushing in hole and the elimination outburst mechanism of middle thereof of hydraulic flushing in hole, 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 while taking hydraulic pressure punching, need constantly to change rod bit, and adopt bit bore because start to pass into low-pressure water, then passing into water under high pressure carries out reaming, but must adopt the drilling rod of logical water under high pressure when reaming, changes quite trouble and needs two covering devices.
Utility model content
The purpose of this utility model is while passing through hydraulic pressure reaming for solution, need to change the problem of drilling rod and drill bit, a kind of hydraulic reaming system is provided, the utility model can be realized low-pressure water and water under high pressure binary channels, not needing to extract replacing drilling rod and drill bit can realize, switch nozzle by high-low pressure and promote sliding valve movement under Water Pressure, can realize and pass into height, the switching of low-pressure water, in the time 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 forms can be connected with the low-pressure water passing into, in the time passing into low-pressure water, having realized water under high pressure through hole and low-pressure water through hole all can water flowing, in the time passing into water under high pressure, because hydraulic pressure is greater than the pretightning force of spring to the active force of guiding valve, now spring is compacted, the cavity that the counterbore of guiding valve and nozzle body forms is sealed, now only have the high pressure limbers can water flowing, thereby realize 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 arranging can regulate hydraulic pressure, can control and supply water as water under high pressure or low-pressure water by the switch on hydraulic pressure conversion equipment.
The utility model is the deficiency solving the problems of the technologies described above, and the technical scheme adopting 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 are switched nozzle by high-low pressure and are linked together, and the section of being tightly connected is connected with driving the high pressure drilling rod on the rig of drill bit work, high pressure drilling rod is connected with water supply installation, on drill body, offer the low pressure water hole that passes into low pressure cooling water, high-low pressure switches nozzle and comprises the sprayer body that offers the through hole I being communicated with cooling water in it, the two ends of sprayer body are connected with drill body and the section of being tightly connected respectively, on sprayer body, offer the high pressure weep hole that vertical its center line distributes, high pressure weep hole and low pressure delivery hole are all communicated with through hole I, the nozzle guiding valve of connected relation in automatically switch under Water Pressure 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 that offers 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 a large multidiameter shaft of the little mid diameter of two diameter, and the centre of axle offers along its axial through hole III, on 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, guiding valve is slidably arranged in counterbore on nozzle body and one end of 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 large diameter one end of guiding valve and the macropore of counterbore bottom form cavity, and through hole IV and through hole II are all communicated with cavity, guiding valve is fastened in nozzle body by the nozzle gland being fixed on its other end.
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 with the entrance of hydraulic pressure conversion equipment by outlet pipe, 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 water outlet direction of high pressure nozzle and the axis of nozzle guiding valve are 30 ° of-50 ° of angles.
On one end of the macropore bottom formation cavity of the large diameter and counterbore of described guiding valve, gasket seal is installed.
Described high pressure drilling rod, comprise that plural intersegmental part is the body of rod of hollow structure, comprise that the described body of rod comprises boring section, be positioned at connector and the Connection Block at boring section two ends, described connector comprises and on outer wall, is provided with the taper thread joint of taper thread and taper thread joint is connected to the seal section I in boring section, Connection Block comprises the seal section II that offers the taper thread seat in taper thread hole and coordinate with seal section I, described seal section I comprises the groove being opened on the body of rod and is arranged on the sealing ring in groove, described seal section II be inner wall smooth and just and sealing ring form the smooth surface being sealed and matched.
In the described body of rod, offer the Cooling Holes connecting along its length.
On the described body of rod, offering chip area and chip area is U-shaped groove.
The beneficial effects of the utility model are: the utility model can be realized low-pressure water and water under high pressure binary channels, not needing to extract replacing drilling rod and drill bit can realize, switching nozzle by high-low pressure can realize and pass into height, the switching of low-pressure water, in the time 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 forms can be connected with the low-pressure water passing into, in the time passing into low-pressure water, having realized water under high pressure through hole and low-pressure water through hole all can water flowing, in the time passing into water under high pressure, because hydraulic pressure is greater than the pretightning force of spring to the active force of guiding valve, now spring is compacted, the cavity that the counterbore of guiding valve and nozzle body forms is sealed, now only have the high pressure limbers can water flowing, thereby realize 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 arranging can regulate hydraulic pressure, can control and supply water for water under high pressure or lower than water by the switch on hydraulic pressure conversion equipment.
Brief description of the drawings
Fig. 1 is structure diagram of the present utility model.
Fig. 2 is the structural representation of drill bit in the utility model.
Fig. 3 is the structural representation of guiding valve in the utility model.
Fig. 4 is the structural representation of nozzle body in the utility model.
Fig. 5 is the structural representation of the utility model mesohigh drilling rod.
Fig. 6 is the cooperation scheme of installation of the utility model mesohigh drilling rod.
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 are switched nozzle by high-low pressure and are linked together, and the section of being tightly connected 1 is connected with driving the high pressure drilling rod 13 on the rig of drill bit work, high pressure drilling rod 13 is connected with water supply installation, on drill body 4, offer the low pressure water hole 5 that passes into low pressure cooling water, high-low pressure switches nozzle and comprises the sprayer body 2 that offers the through hole I201 being communicated with cooling water in it, the two ends of sprayer body 2 are connected with drill body 4 and the section of being tightly connected 1 respectively, on sprayer body 2, offer the high pressure weep hole 7 that vertical its center line distributes, high pressure weep hole 7 and low pressure delivery hole 5 are all communicated with through hole I201, the nozzle guiding valve of connected relation in automatically switch under Water Pressure 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 a large multidiameter shaft of the little mid diameter of two diameter, and the centre of axle offers along its axial through hole III1001, on 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, guiding valve 10 is slidably arranged in counterbore on nozzle body 8 and one end of offering through hole IV12 is stretched in the aperture of counterbore, spring 6 is arranged in the aperture of counterbore and supports guiding valve 10 and makes large diameter one end of guiding valve 10 and the macropore of counterbore bottom formation cavity, and through hole IV12 and through hole II801 are all communicated with cavity, guiding valve 10 is fastened in nozzle body 8 by the nozzle gland 11 being fixed on its other end.
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 with the entrance of hydraulic pressure conversion equipment 17 by outlet pipe, 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 water outlet direction of high pressure nozzle 3 and the axis of nozzle guiding valve are 30 ° of-50 ° of angles.
On one end of the macropore bottom formation cavity of the large diameter and counterbore of described guiding valve 10, gasket seal 9 is installed.
Described high pressure drilling rod 13, comprise that plural intersegmental part is the body of rod of hollow structure, comprise that the described body of rod comprises boring section 1303, be positioned at connector and the Connection Block at boring section 1303 two ends, described connector comprises and on outer wall, is provided with the taper thread joint 1304 of taper thread and taper thread joint 1304 is connected to the seal section I1305 in boring section 1303, Connection Block comprises the seal section II1301 that offers the taper thread seat 1302 in taper thread hole and coordinate with seal section I1305, described seal section I1305 comprises the groove being opened on the body of rod and is arranged on the sealing ring in groove, described seal section II1301 be inner wall smooth and just and sealing ring form the smooth surface being sealed and matched.
In the described body of rod, offer the Cooling Holes 1306 connecting along its length.
On the described body of rod, offering chip area and chip area is U-shaped groove.
The technical scheme that the utility model is cited and embodiment are not restrictions, in the cited technical scheme of the utility model and embodiment is equal to or effect same approach is all protected at the utility model scope.
Claims (9)
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) are switched nozzle by high-low pressure and are linked together, and the section of being tightly connected (1) is connected with driving the high pressure drilling rod (13) on the rig of drill bit work, high pressure drilling rod (13) is connected with water supply installation, on drill body (4), offer the low pressure water hole (5) that passes into low pressure cooling water, high-low pressure switch nozzle comprise in it, offer the through hole I(201 being 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, on sprayer body (2), offer the high pressure weep hole (7) that vertical its center line distributes, 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 Water Pressure is installed) with high pressure weep hole (7) and low pressure delivery hole (5) in the nozzle guiding valve of connected relation.
2. a kind of hydraulic reaming system according to claim 1, it is characterized in that: 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 a large multidiameter shaft of the little mid diameter of two diameter, and the centre of axle offers along its axial through hole III(1001), on one end that wherein diameter is little, also offer along its diametric through hole IV(12), through hole IV(12) with its axially extending bore III(1001) be communicated with, guiding valve (10) is slidably arranged in counterbore on nozzle body (8) and offers through hole IV(12) one end stretch in the aperture of counterbore, spring (6) is arranged in the aperture of counterbore and supports guiding valve (10) and makes large diameter one end of guiding valve (10) and the macropore of counterbore bottom formation cavity, and through hole IV(12) and through hole II(801) be all communicated with cavity, guiding valve (10) is fastened in nozzle body (8) by the nozzle gland (11) being fixed on its other end.
3. a kind of hydraulic reaming system according to claim 1, it is characterized in that: 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 with the entrance of hydraulic pressure conversion equipment (17) by outlet pipe, and the outlet of hydraulic pressure conversion equipment (17) is connected on high pressure drilling rod (13) by water pipe (18).
4. a kind of hydraulic reaming system according to claim 2, 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.
5. a kind of hydraulic reaming system according to claim 1, is characterized in that: in described high pressure weep hole (7), high pressure nozzle (3) is installed, and the water outlet direction of high pressure nozzle (3) and the axis of nozzle guiding valve are 30 ° of-50 ° of angles.
6. a kind of hydraulic reaming system according to claim 1, is characterized in that: on one end of the macropore bottom formation cavity of the large diameter and counterbore of described guiding valve (10), gasket seal (9) is installed.
7. a kind of hydraulic reaming system according to claim 1, it is characterized in that: described high pressure drilling rod (13), comprise that plural intersegmental part is the body of rod of hollow structure, comprise that the described body of rod comprises 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) that is provided with taper thread on outer wall and taper thread joint (1304) is connected to the seal section I(1305 in boring section (1303)), Connection Block comprise offer the taper thread seat (1302) in taper thread hole and with seal section I(1305) the seal section II(1301 that coordinates), described seal section I(1305) comprise the groove being opened on the body of rod and be arranged on the sealing ring in groove, described seal section II(1301) for inner wall smooth and just and sealing ring form the smooth surface being sealed and matched.
8. a kind of hydraulic reaming system according to claim 7, is characterized in that: in the described body of rod, offer the Cooling Holes (1306) connecting along its length.
9. a kind of hydraulic reaming system according to claim 7, is characterized in that: on the described body of rod, offering chip area and chip area is U-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420302623.XU CN203867461U (en) | 2014-06-09 | 2014-06-09 | Hydraulic reaming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420302623.XU CN203867461U (en) | 2014-06-09 | 2014-06-09 | Hydraulic reaming system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203867461U true CN203867461U (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420302623.XU Expired - Fee Related CN203867461U (en) | 2014-06-09 | 2014-06-09 | Hydraulic reaming system |
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| Country | Link |
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| CN (1) | CN203867461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993834A (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 | Hydraulic reaming system |
-
2014
- 2014-06-09 CN CN201420302623.XU patent/CN203867461U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993834A (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 | Hydraulic reaming system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20160609 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |