CN116658066B - Full-spiral screw drilling tool - Google Patents
Full-spiral screw drilling tool Download PDFInfo
- Publication number
- CN116658066B CN116658066B CN202310926526.1A CN202310926526A CN116658066B CN 116658066 B CN116658066 B CN 116658066B CN 202310926526 A CN202310926526 A CN 202310926526A CN 116658066 B CN116658066 B CN 116658066B
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- CN
- China
- Prior art keywords
- locking
- drill
- rod
- drilling tool
- full
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005553 drilling Methods 0.000 title claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 239000007788 liquid Substances 0.000 abstract description 10
- 239000011435 rock Substances 0.000 abstract description 7
- 239000002689 soil Substances 0.000 abstract description 7
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/02—Fluid rotary type drives
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/006—Mechanical motion converting means, e.g. reduction gearings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a full-spiral screw drilling tool, which relates to the technical field of oil and gas exploitation tools and comprises a drilling barrel, wherein a screw is arranged in the drilling barrel, one end of the drilling barrel is provided with a drill bit, the other end of the drilling barrel is fixedly provided with a drill rod through a locking assembly, the locking assembly comprises at least three locking clamping rods fixedly arranged on the drill rod, a locking chamber is arranged in the drilling barrel, a movable clamping rod is fixedly arranged in the locking chamber, and bayonets capable of being mutually clamped are respectively arranged on the movable clamping rod and the locking clamping rods. The speed measuring assembly provided by the invention can detect the flow rate of liquid in the drill rod and the rotation speed of the drill bit, so that the monitoring of the working state of the drill bit is realized; the quick assembly and disassembly of the drill rod and the drill cylinder and the drill rod can be realized; when the drill rod is blocked by rock stratum or soil and cannot work, the extrusion force between the drill rod and the rock stratum or soil can be reduced by rotating the drill rod, so that the drill rod can continue to work actively.
Description
Technical Field
The invention relates to the technical field of oil and gas exploitation tools, in particular to a full-spiral screw drilling tool.
Background
The screw drilling tool is a volumetric underground power drilling tool which uses drilling fluid as power and converts the pressure energy of the drilling fluid into mechanical energy. When mud pumped by the mud pump flows through the bypass valve to enter the motor, a certain pressure difference is formed between the inlet and the outlet of the motor, the rotor is pushed to rotate around the axis of the stator, and the rotating speed and the torque are transmitted to the drill bit through the universal shaft and the transmission shaft, so that the drilling operation is realized. In the drilling process, the drilling tool is rubbed with rock or soil, so that the drilling tool is prevented from being deformed at high temperature, the drill bit is required to be cooled, liquid required by cooling is required to be transmitted through the drill rod, the drilling tool is required to be matched with a plurality of sections of drill rods for use, and meanwhile, the connection mode of two sections of drill rods is relatively complicated.
In the prior art, the invention patent with the publication number of CN105156023B discloses a screw drilling tool, but the screw drilling tool cannot be used for rapidly disassembling and assembling a drill rod, so that the construction efficiency is affected, and meanwhile, the rotation speed of the drilling tool cannot be detected in the prior art, so that the actual working state of a drill bit cannot be detected, and whether the drill bit is in a normal rotation state or not is not detected.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the following technical scheme: the full-spiral screw drilling tool comprises a drilling barrel, a screw is arranged in the drilling barrel, a drill bit is arranged at one end of the drilling barrel, a drill rod is fixedly arranged at the other end of the drilling barrel through a locking assembly, the locking assembly comprises at least three locking clamping rods fixedly arranged on the drill rod, a locking chamber is arranged in the drilling barrel, movable clamping rods are fixedly arranged in the locking chamber, bayonets which can be mutually clamped are respectively arranged on the movable clamping rods and the locking clamping rods, unlocking piston columns with the same number as the locking clamping rods are also slidably arranged in the drilling barrel, and the unlocking piston columns are connected with the movable clamping rods through unlocking pull rods; the drill bit is internally provided with a speed measuring assembly, the speed measuring assembly comprises a conductive ring, two sides of the conductive ring are respectively and fixedly provided with a conductive plate and a covering plate, electromagnets are concentrically arranged in the conductive ring, the surfaces of the electromagnets are provided with conductive coatings, the covering plates and the conductive plates are mutually insulated, and steel balls are connected between the covering plates and the conductive plates in a rolling mode.
Preferably, the locking clamping rod is located in the locking chamber, and the movable clamping rod swings in the locking chamber.
Preferably, the number of the locking clamping rods is the same as that of the movable clamping rods and the locking chambers, and the drill cylinder is also provided with ventilation channels communicated with the locking chambers.
Preferably, the conductive ring is electrically connected with the conductive coating arranged on the surface of the electromagnet, and the conductive ring is arranged in an insulating manner with the conductive plate.
Preferably, two electrode strips are symmetrically arranged in the drill cylinder and used for detecting the intensity of a surrounding magnetic field.
Preferably, the device further comprises a driving assembly, wherein the driving assembly comprises a supporting seat, a loosening gear and a driving gear are rotatably arranged in the supporting seat, and the loosening gear and the driving gear are meshed with each other.
Preferably, the middle part of the loosening gear is provided with a bayonet lock matched with the end face of the drill rod in a clamping way, a dustproof cover plate is fixedly installed on the supporting seat, and a driving motor for driving the driving gear to rotate is fixedly installed on the dustproof cover plate.
Preferably, the locking assembly is also used for connection between two adjacent drill rods.
Compared with the prior art, the invention has the following beneficial effects: (1) The speed measuring assembly provided by the invention can detect the flow rate of liquid in the drill rod and the rotation speed of the drill bit, so that the monitoring of the working state of the drill bit is realized; (2) The locking component provided by the invention can realize quick disassembly and assembly of the drill rod and the drill cylinder and between the drill rod and the drill rod; (3) According to the invention, the driving assembly is arranged, so that when the drill rod is blocked by rock stratum or soil and cannot work, the extrusion force between the drill rod and the rock stratum or soil can be reduced by rotating the drill rod, and the drill rod can continue to work movably.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic diagram of a driving assembly structure of the present invention.
FIG. 3 is a schematic view of the locking assembly of the present invention.
FIG. 4 is a schematic view showing the position distribution of electrode strips according to the present invention.
Fig. 5 is a schematic diagram of a speed measuring assembly according to the present invention.
In the figure: 101-driving a motor; 102-dustproof cover plate; 103-a drive gear; 104-a loose gear; 105-bayonet; 106, a supporting seat; 201-drilling a cylinder; 2011-vent passage; 2012-a lock chamber; 202, a drill rod; 203-a drill bit; 204-a screw; 301-movable clamping rod; 302-unlocking the piston post; 303-locking the clamping rod; 304-unlocking the pull rod; 401-a cover plate; 402-a conductive ring; 403-electromagnets; 404-steel ball; 405-conductive plates; 406-electrode strips.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1-5, the invention provides a full-spiral screw drilling tool, which comprises a drilling barrel 201, wherein a screw 204 is arranged in the drilling barrel 201, a drill bit 203 is arranged at one end of the drilling barrel 201, a drill rod 202 is fixedly arranged at the other end of the drilling barrel 201 through a locking assembly, and a ventilation channel 2011 communicated with a locking chamber 2012 is further formed in the drilling barrel 201.
The locking assembly comprises at least three locking clamping rods 303 fixedly arranged on a drill rod 202, a locking chamber 2012 is arranged in a drill cylinder 201, a movable clamping rod 301 is fixedly arranged in the locking chamber 2012, bayonets which can be mutually clamped are arranged on the movable clamping rod 301 and the locking clamping rods 303, unlocking piston columns 302 with the same number as the locking clamping rods 303 are also slidably arranged in the drill cylinder 201, and the unlocking piston columns 302 are connected with the movable clamping rods 301 through unlocking pull rods 304; the latch levers 303 are located in the latch chambers 2012, and the movable levers 301 swing in the latch chambers 2012, and the latch levers 303 are provided in the same number as the movable levers 301 and the latch chambers 2012. The locking assembly is also used for connection between two adjacent drill rods 202.
The drill bit 203 is internally provided with a speed measuring component, the speed measuring component comprises a conducting ring 402, two sides of the conducting ring 402 are respectively and fixedly provided with a conducting plate 405 and a covering plate 401, an electromagnet 403 is concentrically arranged in the conducting ring 402, the surface of the electromagnet 403 is provided with a conducting coating, the coating and the covering plate 401 and the conducting plate 405 are mutually insulated, and a steel ball 404 is connected between the covering plate 401 and the conducting plate 405 in a rolling way. The conductive ring 402 is electrically connected with the conductive coating layer disposed on the surface of the electromagnet 403, and the conductive ring 402 is disposed in an insulating manner with the conductive plate 405. Two electrode strips 406 are also symmetrically arranged in the drill cylinder 201 for detecting the surrounding magnetic field strength.
The device also comprises a driving assembly, wherein the driving assembly comprises a supporting seat 106, a loosening gear 104 and a driving gear 103 are rotatably arranged in the supporting seat 106, and the loosening gear 104 and the driving gear 103 are meshed with each other. The middle part of the relaxation gear 104 is provided with a bayonet lock 105 which is matched with the end face of the drill rod 202 in a clamping way, the support seat 106 is fixedly provided with a dustproof cover plate 102, and the dustproof cover plate 102 is fixedly provided with a driving motor 101 which is used for driving the driving gear 103 to rotate.
The invention discloses a working principle of a full-spiral screw drilling tool, which comprises the following steps: when in use, the multi-section drill pipe 202 needs to be connected, and the drill pipe 202 and the drill pipe 201 are connected in a specific connection mode: the locking clamp 303 on the drill rod 202 is inserted into the locking chamber 2012, at this time, the locking clamp 303 is in contact with the movable clamp 301, and the movable clamp 301 swings to a side far away from the locking clamp 303, at this time, when the locking clamp 303 is clamped with a bayonet provided on the movable clamp 301, the drill rod 202 is fixed with the drill barrel 201 or other drill rods 202. When liquid flows into the drill barrel 201, the drill barrel 201 drives the screw 204 to rotate, and the screw 204 rotates to drive the drill bit 203 to rotate, so that the drilling function is realized. When the drill 203 rotates, the steel ball 404 rotates (friction force exists between the steel ball 404 and the cover plate 401 and the conductive plate 405, the maximum static friction force is the same as the gravity of the steel ball 404), the electromagnet 403 also rotates, when the centrifugal force applied to the steel ball 404 is larger than the gravity of the steel ball 404, the steel ball 404 moves, so that the moving path of the steel ball 404 moves from the position contacted by the surface of the electromagnet 403 to the position contacted by the conductive ring 402, the distance between the two positions is determined, the electromagnet 403 attracts the steel ball 404 from the conductive ring 402 to the electromagnet 403 (reset action) through intermittent starting of the electromagnet 403, a switch is formed between the conductive ring 402 and the conductive plate 405 and the steel ball 404 through applying voltages to the two ends of the conductive ring 402 and the conductive plate 405, the moving time of the steel ball 404 can be obtained through detecting the time required for closing to opening the switch, and the centrifugal force applied to the steel ball 404 is larger when the rotating speed of the drill 203 is higher, so that the moving time of the steel ball 404 is reduced, and the rotating speed of the drill 203 can be obtained through detecting the time. When a magnetic field appears nearby, the magnetic induction lines pass through the two electrode strips 406 (the two electrode strips 406 are connected with a constant resistor and a current detector in series), when the liquid in the drill barrel 201 is conductive, the liquid flows between the two electrode strips 406 and corresponds to a conducting wire, the moving liquid cuts the nearby magnetic field, so that voltages are generated at two ends of the electrode strips 406, the flowing current is detected by the current detector, the flow rate of the liquid depends on the flow rate of the liquid poured into the drill barrel 201, the flow rate of the liquid is determined, and the strength of the nearby magnetic field can be obtained by detecting the magnitude of the current, so that the situation of surrounding magnetic ores is judged. When the driving motor 101 is started, an output shaft of the driving motor 101 drives the driving gear 103 to rotate, the driving gear 103 rotates to drive the loosening gear 104 to rotate, the loosening gear 104 rotates to drive the drill rod 202 to rotate through the clamping pin 105, and when the drill rod 202 is clamped by rock stratum or soil and cannot be fed, extrusion force with the rock stratum or soil can be reduced through rotating the drill rod 202, so that the drill rod 202 can continue to move.
When the multi-section drill rod 202 needs to be dismantled, only the pressure inside the drill rod 202 needs to be reduced, the inside of the drill rod 202 is changed into negative pressure by adopting a vacuum pump, at the moment, the unlocking piston column 302 moves towards the inner side of the drill barrel 201, the unlocking pull rod 304 drives the movable clamping rod 301 to be separated from the locking clamping rod 303 (at the moment, the unlocking pull rod 304 generates bending deformation), and at the moment, the movable clamping rod 301 and the locking clamping rod 303 are separated from each other, so that the two drill rods 202 or the drill rods 202 are separated from the drill barrel 201.
Claims (7)
1. The utility model provides a full spiral screw rod drilling tool, includes bore section of thick bamboo (201), is provided with screw rod (204) in bore section of thick bamboo (201), and drill bit (203) are furnished with to one of them end of bore section of thick bamboo (201), its characterized in that: the drill pipe (202) is fixedly arranged at the other end of the drill pipe (201) through a locking assembly, the locking assembly comprises at least three locking clamping rods (303) fixedly arranged on the drill pipe (202), a locking chamber (2012) is arranged in the drill pipe (201), a movable clamping rod (301) is fixedly arranged in the locking chamber (2012), bayonets which can be mutually clamped are respectively arranged on the movable clamping rod (301) and the locking clamping rods (303), unlocking piston columns (302) with the same number as the locking clamping rods (303) are also slidably arranged in the drill pipe (201), and the unlocking piston columns (302) are connected with the movable clamping rods (301) through unlocking pull rods (304);
be provided with the subassembly that tests the speed in drill bit (203), the subassembly that tests the speed includes conducting ring (402), and conducting plate (405) and cladding plate (401) are fixed mounting respectively on the two sides of conducting ring (402), be provided with electromagnet (403) in the concentric mode in conducting ring (402), the surface of electromagnet (403) is provided with conductive coating, and this coating and cladding plate (401) and cladding plate (405) are mutual insulating setting, roll connection has steel ball (404) between cladding plate (401) and the cladding plate (405), insulating setting between conducting ring (402) and the cladding plate (405).
2. The full-helical screw drilling tool of claim 1, wherein: the locking clamping rod (303) is positioned in the locking chamber (2012), and the movable clamping rod (301) swings in the locking chamber (2012).
3. A full helical screw drilling tool according to claim 2, wherein: the number of the locking clamping rods (303) is the same as that of the movable clamping rods (301) and the locking chambers (2012), and ventilation channels (2011) which are communicated with the locking chambers (2012) outside the drilling barrel (201) are further formed in the drilling barrel (201).
4. A full helical screw drilling tool according to claim 3, wherein: the conductive ring (402) is electrically connected with a conductive coating arranged on the surface of the electromagnet (403).
5. The full-helical screw drilling tool of claim 4, wherein: two electrode strips (406) are symmetrically arranged in the drill cylinder (201) and are used for detecting the intensity of a surrounding magnetic field.
6. The full-helical screw drilling tool of claim 5, wherein: the device comprises a driving assembly, wherein the driving assembly comprises a supporting seat (106), a loosening gear (104) and a driving gear (103) are rotatably arranged on the supporting seat (106), and the loosening gear (104) and the driving gear (103) are meshed with each other.
7. The full-helical screw drilling tool of claim 6, wherein: the middle part of the loosening gear (104) is provided with a bayonet lock (105) which is matched with the end face of the drill rod (202) in a clamping way, the supporting seat (106) is fixedly provided with a dustproof cover plate (102), and the dustproof cover plate (102) is fixedly provided with a driving motor (101) for driving the driving gear (103) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310926526.1A CN116658066B (en) | 2023-07-27 | 2023-07-27 | Full-spiral screw drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310926526.1A CN116658066B (en) | 2023-07-27 | 2023-07-27 | Full-spiral screw drilling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116658066A CN116658066A (en) | 2023-08-29 |
| CN116658066B true CN116658066B (en) | 2024-01-30 |
Family
ID=87710013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310926526.1A Active CN116658066B (en) | 2023-07-27 | 2023-07-27 | Full-spiral screw drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116658066B (en) |
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| JP2010256068A (en) * | 2009-04-22 | 2010-11-11 | Shinshu Univ | Sphere-rotation detection device and method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN116658066A (en) | 2023-08-29 |
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