CN117365306A - Deviation-preventing drilling head for drilling equipment - Google Patents
Deviation-preventing drilling head for drilling equipment Download PDFInfo
- Publication number
- CN117365306A CN117365306A CN202311572138.4A CN202311572138A CN117365306A CN 117365306 A CN117365306 A CN 117365306A CN 202311572138 A CN202311572138 A CN 202311572138A CN 117365306 A CN117365306 A CN 117365306A
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- drill bit
- drilling
- drill
- chip
- rock breaking
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- 238000005553 drilling Methods 0.000 title claims abstract description 121
- 239000011435 rock Substances 0.000 claims abstract description 60
- 239000011159 matrix material Substances 0.000 claims abstract description 56
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 21
- 238000007790 scraping Methods 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 239000000523 sample Substances 0.000 claims description 17
- 230000007423 decrease Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 13
- 230000000903 blocking effect Effects 0.000 abstract description 7
- 239000012634 fragment Substances 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000003564 dental alloy Substances 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000036346 tooth eruption 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
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
-
- 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
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an anti-deflection drilling head for drilling equipment, which is positioned by a positioning drill bit, a chip discharge port is matched with a rock breaking drill bit for chip discharge, a spiral blade brings chips out and can simultaneously straighten the drilling head of the drill bit, so that the chips are conveniently discharged to prevent the chips from blocking and jamming the drill bit, and the deflection of the drilling head in the drilling process can be prevented. The drilling device is characterized by comprising a spiral blade, a drill collar, a supporting component and a drilling component, wherein the spiral blade is arranged on the side face of the drill collar in a spiral manner and used for righting the drilling component when discharging bottom hole fragments, the supporting component is arranged at the end part of the drill collar and used for supporting a drill bit, the drilling component is arranged on the supporting component and used for positioning post-drilling reaming, the supporting component consists of a connecting block, a reinforcing rib, an auxiliary drill bit matrix and a main drill bit matrix, and the drilling component consists of a fixing block, a scraping drill bit, a chip removing port, a positioning drill bit, a chip guiding groove, a rock breaking drill bit and a reaming drill bit.
Description
Technical Field
The invention relates to an anti-deflection drilling head for drilling equipment, which belongs to the technical field of drilling equipment, and particularly relates to a drilling head which is positioned by a positioning drill bit, a chip discharge port is matched with a rock breaking drill bit for chip discharge, a spiral blade can bring out chips and simultaneously can straighten the drill bit, so that the chips are conveniently discharged, and deflection of the drilling head in the drilling process can be prevented.
Background
In the geological drilling process of the coal field, drilling equipment is generally required to be used for sampling drilling holes on the mining face of the coal field, and due to uneven formation drillability and inclination of the formation, the drilling equipment is easy to deviate in the drilling process of the drilling head to cause inclination of the drilling holes, so that in-hole collapse accidents are caused, and the drilling holes are scrapped. At present, full-bore drilling tools are often used for preventing the inclination of drilling, and the full-bore drilling tools generally consist of 3-5 stabilizers with the outer diameters close to the diameter of a drill bit and drill collars with larger outer diameters. The full-hole drilling tool has high rigidity, small gap with the well bore and difficult bending under high bit pressure, so that the drilling tool can be kept centered in the well, and the inclination angle of the drill bit is reduced. However, because the gap between the stabilizer of the full-hole drilling tool and the well wall is small, the drilling speed is high, and rock fragments generated in the drilling process are easily accumulated around the stabilizer, and the conditions of blocking and jamming are generated. Meanwhile, the existing common polycrystalline diamond cutting tooth alloy drill bit mainly realizes underground drilling in a scraping movement mode, and the main scraping element of the polycrystalline diamond cutting tooth alloy drill bit is difficult to effectively drill rock when facing a large-area hard stratum, and the drill near the drill bit is bent due to the fact that pressure is applied to the drill bit, and the drill bit is easy to deviate.
Publication number CN112761527B discloses an automatic anti-slant drilling device, which consists of a drill bit part, a rotating part, a transmission cabin and an anti-slant wing device. A monitoring device is arranged at the drill bit part, and a well depth measuring instrument is arranged in the monitoring device; the rotating shaft part is provided with a centralizing device, and a transmission gear set is arranged in the transmission cabin to provide power for the inclined wing prevention device; the control ball is arranged in the inclined wing prevention device, and when well inclination occurs, the control ball triggers the switch of the oil inlet and return valve, so that the hydraulic column extends out to act with the well wall, and the drill string returns to the vertical state. The device can prevent the deviation of drilling head in the drilling process, is convenient for the outflow of rock fragments, but needs to be provided with a monitoring device, an anti-inclined wing device and the like, has a complex structure and high cost, and when the well is inclined, the hydraulic column can act with the well wall to enable the drill string to return to the vertical state, so that the integrity of the well wall is not guaranteed.
Publication number CN207436948U discloses a drill bit for off tracking prevention drilling for geological exploration, including drilling rod and drill bit, the bottom of drilling rod is provided with the drill bit interface, the inner bottom of drill bit interface is provided with the internal thread structure, the equidistance is provided with first bearing on the outer wall of drilling rod, first bearing and drilling rod rotate to be connected, and transversely are provided with flexible section of thick bamboo on the outer wall of the relative both sides of first bearing, be equipped with flexible chamber in the flexible section of thick bamboo, and the end that flexible chamber kept away from first bearing is provided with the opening. The drill bit can keep the stability of the bottom of the drill bit when the drill rod rotates downwards, so that the deviation of the drill bit is prevented, but rock scraps generated in the drilling process are easily accumulated around the drill bit, the conditions of blocking and jamming occur, the drill bit is difficult to effectively drill rock when facing a large-area hard stratum, the drill bit is applied with pressure to cause the bending of a drilling tool near the drill bit, and the drill bit is easily deviated.
Disclosure of Invention
In order to improve the situation, the anti-deviation drilling head for the drilling equipment provided by the invention has the advantages that the positioning of the drilling bit is realized, the chip discharge port is matched with the chip discharge of the rock breaking drilling bit, the drilling head of the drilling bit can be straightened while the spiral blade brings out chips, the chips are conveniently discharged to prevent the chips from blocking and blocking the drilling bit, and the deviation of the drilling head in the drilling process can be prevented.
The invention relates to an anti-bias drilling probe for drilling equipment, which is realized by the following steps: the invention relates to an anti-deflection drilling head for drilling equipment, which comprises a helical blade, a drill collar, a supporting component and a drilling component,
it is characterized in that the helical blade is arranged on the side surface of the drill collar and used for discharging bottom hole scraps and simultaneously righting the drilling assembly, the supporting assembly is arranged at one end of the drill collar and used for supporting the drilling assembly, the drilling assembly is arranged on the supporting assembly and used for positioning drilling and reaming drilling,
the drill collar is of a cylindrical structure,
the supporting component consists of a connecting block, a reinforcing rib, an auxiliary bit matrix and a main bit matrix,
the connecting block is arranged on the drill collar, the connecting block is of a cylindrical structure, the diameter of the connecting block is larger than that of the drill collar,
the main drill bit matrix is arranged on the connecting block, the main drill bit matrix is of a cylindrical structure, the diameter of the main drill bit matrix is larger than that of the connecting block,
the auxiliary bit matrix is arranged on the main bit matrix, the auxiliary bit matrix is of a cone structure, the diameter of the auxiliary bit matrix is smaller than that of the main bit matrix,
the reinforcing rib is arranged on the side surface of the connecting block, the reinforcing rib is of a triangular cone structure with an arc-shaped side surface,
preferably, a plurality of the reinforcing ribs are arranged at equal intervals along the circumferential direction of the side face of the connecting block,
the drilling component consists of a fixed block, a scraping drill bit, a chip removing port, a positioning drill bit, a chip guiding groove, a rock breaking drill bit and a reaming drill bit,
the fixed block is arranged on the side surface of the main drill bit matrix, the fixed block is of an arc structure, the width of the fixed block is gradually reduced from one end to the other end,
preferably, a plurality of the fixing blocks are arranged at equal intervals along the circumferential direction of the side face of the main bit matrix,
one side surface of the fixed block is connected with the bottom of the reinforcing rib and corresponds to the reinforcing rib one by one,
the scraping drill bit is embedded in the fixed block,
a reamer bit is arranged on the main bit matrix,
preferably, the reamer bit is of an arc structure, a plurality of reamer bits are arranged, the plurality of reamer bits are equidistantly arranged along the circumferential direction of the main bit matrix,
the rock breaking drill bit is arranged on the side surface of the auxiliary drill bit matrix,
preferably, the rock breaking drill bit is of an arc-shaped structure, a plurality of rock breaking drill bits are arranged at equal intervals along the circumferential direction of the side face of the auxiliary drill bit matrix,
a chip removing port is arranged on the side surface of the auxiliary drill bit matrix, the chip removing port corresponds to the rock breaking drill bit, one side surface of the chip removing port is connected with one side surface of the rock breaking drill bit,
the rock breaking drill bit is provided with a chip guiding groove which is connected with the chip discharging port,
preferably, the chip guide grooves are of arc structures, a plurality of chip guide grooves are arranged at equal intervals along the length direction of the rock breaking drill bit,
the positioning drill bit is arranged at the center of one end of the auxiliary drill bit matrix, the positioning drill bit is of a cone structure,
furthermore, the chip guiding groove is internally provided with chip guiding teeth,
preferably, the plurality of guide chip teeth are arranged at equal intervals along the width direction of the chip guide groove;
further, the scraping drill is provided with a concave groove,
preferably, the width of the concave groove is gradually reduced from one end to the other end in an arc shape, a plurality of concave grooves are formed, and the plurality of concave grooves are equidistantly arranged along the circumferential direction of the central spiral of the scraping drill bit.
Advantageous effects
1. Through chip removal mouth cooperation broken rock drill bit chip removal, the discharge piece of being convenient for can prevent that the piece from blockking up and causing the holding down of drill bit, the card is bored.
2. The drill bit can be righted while the chips at the bottom of the well are carried out by the spiral blades, so that the deflection of the drilling head in the drilling process can be prevented.
3. Simple structure, convenience and practicality.
4. Low cost and convenient popularization.
Drawings
FIG. 1 is a perspective view of an anti-deviation probe for drilling equipment according to the present invention;
FIG. 2 is a schematic view of the structure of a sub-bit body of an anti-deviation probe for a drilling apparatus according to the present invention;
FIG. 3 is a perspective view of an anti-offset drill sonde for a drilling apparatus according to the present invention, showing only the structure of the support assembly and the drilling assembly;
FIG. 4 is a perspective view showing a construction of an embodiment 2 of an anti-bias drilling probe for a drilling apparatus according to the present invention;
FIG. 5 is a perspective view showing the construction of an embodiment 3 of an anti-bias drilling probe for a drilling apparatus according to the present invention;
in the accompanying drawings
Wherein the method comprises the following steps: the drill bit comprises helical blades (1), drill collars (2), connecting blocks (3), reinforcing ribs (4), fixing blocks (5), scraping drill bits (6), chip discharge ports (7), positioning drill bits (8), chip guiding grooves (9), rock breaking drill bits (10), auxiliary drill bit matrixes (11), reaming drill bits (12), main drill bit matrixes (13), guiding cutting teeth (14) and concave grooves (15)
The specific embodiment is as follows:
example 1:
the invention relates to an anti-bias drilling probe for drilling equipment, which is realized by the following steps: the invention relates to an anti-deflection drilling head for drilling equipment, which comprises a helical blade (1), a drill collar (2), a supporting component and a drilling component,
it is characterized in that the drill collar (2) is of a cylindrical structure, the helical blades (1) are arranged on the side surface of the drill collar (2) and used for discharging well bottom fragments and simultaneously righting the drilling assembly, the supporting assembly is arranged at one end of the drill collar (2) and used for supporting the drilling assembly, the drilling assembly is arranged on the supporting assembly and used for positioning drilling and reaming,
the supporting component consists of a connecting block (3), a reinforcing rib (4), an auxiliary bit matrix (11) and a main bit matrix (13),
the connecting block (3) is arranged on the drill collar (2), the connecting block (3) is of a cylindrical structure, the diameter of the connecting block is larger than that of the drill collar (2),
the main bit matrix (13) is arranged on the connecting block (3), the main bit matrix (13) is of a cylindrical structure, the diameter of the main bit matrix is larger than that of the connecting block (3),
the auxiliary bit matrix (11) is arranged on the main bit matrix (13), the auxiliary bit matrix (11) is of a cone structure, the diameter of the auxiliary bit matrix (11) is smaller than that of the main bit matrix (13),
the reinforcing rib (4) is arranged on the side surface of the connecting block (3), the reinforcing rib (4) is of a triangular cone structure with an arc-shaped side surface,
preferably, a plurality of reinforcing ribs (4) are arranged, the plurality of reinforcing ribs (4) are equidistantly arranged along the circumferential direction of the side face of the connecting block (3),
the drilling component consists of a fixed block (5), a scraping drill bit (6), a chip discharge port (7), a positioning drill bit (8), a chip guide groove (9), a rock breaking drill bit (10) and a reaming drill bit (12),
the fixed block (5) is arranged on the side surface of the main drill bit matrix (13), the fixed block (5) is of an arc structure, the width of the fixed block (5) is gradually reduced from one end to the other end,
preferably, a plurality of fixing blocks (5) are arranged, and the plurality of fixing blocks (5) are equidistantly arranged along the circumferential direction of the side face of the main bit matrix (13),
one side surface of the fixed block (5) is connected with the bottom of the reinforcing rib (4) and corresponds to each other one by one,
the scraping drill bit (6) is embedded in the fixed block (5) and is matched with the fixed block (5),
a reamer bit (12) is arranged on the main bit base body (13),
preferably, the reamer bit (12) has an arc structure, a plurality of reamer bits (12) are arranged along the circumference of the main bit matrix (13) at equal intervals,
the rock breaking drill bit (10) is arranged on the side surface of the auxiliary drill bit matrix (11),
preferably, the rock breaking drill bits (10) are of arc-shaped structures, a plurality of the rock breaking drill bits (10) are arranged at equal intervals along the circumferential direction of the side face of the auxiliary drill bit matrix (11),
a chip removal port (7) is formed on the side surface of the auxiliary drill bit matrix (11), the chip removal port (7) corresponds to the rock breaking drill bit (10), one side surface of the chip removal port (7) is connected with one side surface of the rock breaking drill bit (10),
preferably, the chip removal port (7) is of a triangular structure,
a chip guiding groove (9) is formed on the rock breaking drill bit (10), the chip guiding groove (9) is connected with the chip discharging port (7),
preferably, the chip guiding grooves (9) are arc-shaped structures, a plurality of chip guiding grooves (9) are arranged, the plurality of chip guiding grooves (9) are equidistantly arranged along the length direction of the rock breaking drill bit (10),
the positioning drill bit (8) is arranged at the center of one end of the auxiliary drill bit matrix (11), the positioning drill bit (8) is of a cone structure,
when the drill collar (2) is used, the drill collar (2) is installed on drilling equipment, the drill collar (2) is driven by the drilling equipment to drill holes in a rotating mode, the positioning drill bit (8) is used for positioning positions to be drilled, the drill collar (2) is pushed into the drill holes along with the drill collar (2) and keeps the positions unchanged, the main drill bit matrix (13) and the auxiliary drill bit matrix (11) drill into the drill holes while drilling, the rock breaking drill bit (10), the reaming drill bit (12) and the scraping drill bit (6) are driven to drill the drill holes further, broken rock chips are discharged into the chip removing holes (7) from the chip guiding grooves (9) through the rock breaking drill bit (10), the chips are discharged out of the drill bit through the chip removing holes (7), the spiral blades (1) can be used for righting the drill bit while the chips are discharged, the chips are prevented from blocking the drill holes, and the deflection of a probe in the drilling process can be prevented;
example 2:
this embodiment differs from embodiment 1 in that: the chip guide groove (9) is internally provided with a plurality of guide chip teeth, and the plurality of guide chip teeth are equidistantly arranged along the width direction of the chip guide groove (9); when the drill bit is used, the guide chip teeth are matched with the rock breaking drill bit (10) to further break scraps, so that scraps are more finely broken, and the drill bit is prevented from being blocked and stuck due to the fact that the drill bit is blocked by larger scraps;
example 3:
this embodiment differs from embodiment 1 in that: the scraping drill bit (6) is provided with a plurality of concave grooves (15), the width of each concave groove (15) is gradually reduced in an arc shape from one end to the other end, the number of the concave grooves (15) is multiple, and the plurality of concave grooves (15) are equidistantly arranged along the circumferential direction of the center spiral of the scraping drill bit (6); when the scraper is used, the concave groove (15) can increase the contact area between the scraper bit (6) and the rock stratum, so that the scraper bit (6) has better scraping effect on the rock stratum, and the bit deflection caused by unsmooth rock wall after drilling can be prevented;
the connecting block (3) is of a cylindrical structure, the diameter of the connecting block is larger than that of the drill collar (2), the main drill bit matrix (13) is of a cylindrical structure, the diameter of the connecting block is larger than that of the connecting block (3), the auxiliary drill bit matrix (11) is of a cone structure, the diameter of the auxiliary drill bit matrix (11) is smaller than that of the main drill bit matrix (13), and the front-thin rear-thick structure is more convenient for positioning drilling holes of a drill bit and reaming holes after drilling holes;
the fixed block (5) is of an arc-shaped structure, and the width of the fixed block (5) is gradually reduced from one end to the other end, so that the resistance of the drill bit during drilling can be reduced, and the drill bit can be rotated conveniently;
the reinforcing rib (4) is of a triangular cone structure with an arc-shaped side surface, one side surface of the fixed block (5) is connected with the bottom of the reinforcing rib (4), and the connection between the main bit matrix (13) and the drill collar (2) can be firmer due to the one-to-one corresponding design,
the rock breaking drill bits (10) are arranged in a plurality, and the rock breaking drill bits (10) are arranged at equal intervals along the circumferential direction of the side face of the auxiliary drill bit base body (11), so that rock scraps are more finely crushed, the rock scraps are convenient to discharge, the drill holding is prevented, and the rock breaking efficiency is improved;
the spiral blade (1) is matched with the design of the drill collar (2), chips can be brought out through the spiral blade (1) and the drill bit can be straightened, so that the deviation of the drill bit in the drilling process is prevented;
the chip guide groove (9) is formed in the rock breaking drill bit (10), and the chip breaking drill bit is matched with the chip discharge port (7), so that broken chips of the rock breaking drill bit (10) can enter the chip discharge port (7) from the chip guide groove (9), then the drill bit is discharged from the chip discharge port (7), and drill holding and drill clamping of the drill bit caused by chip blocking can be prevented;
the positioning drill bit (8) is matched with the rock breaking drill bit (10) to carry out small-area drilling design, so that hard rock can be drilled and broken in a small range, and the reaming drill bit (12) and the scraping drill bit (6) are guided to carry out rock breaking and reaming along a guiding track, so that the condition that a large-area rock stratum cannot be broken by simple scraping is prevented;
the purpose that the chip removal port (7) is matched with the rock breaking drill bit (10) for chip removal through positioning the drill bit (8) and the drill bit can be straightened so as to discharge chips when the spiral blade (1) brings chips out, and the deviation of the drilling head in the drilling process is prevented is achieved.
It should be noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, a fixed connection such as a hemmed connection, a rivet connection, a pin connection, an adhesive connection, a welded connection, a detachable connection such as a threaded connection, a snap connection, a hinge connection, or an integral connection, an electrical connection, or a direct connection, or an indirect connection via an intermediate medium, or may be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
It should be further noted that, when the foregoing specific embodiments are described, only the differences from other embodiments are described for simplicity and clarity, but those skilled in the art will appreciate that the foregoing specific embodiments are also independent solutions.
Claims (10)
1. The utility model provides a drilling equipment is with preventing partially boring probe, includes helical blade, drill collar, supporting component and drilling component, its characterized in that: the spiral blade is arranged on the side face of the drill collar and used for discharging bottom hole scraps and simultaneously righting the drilling assembly, the supporting assembly is arranged at one end of the drill collar and used for supporting the drilling assembly, the drilling assembly is arranged on the supporting assembly and used for positioning drilling and reaming, the supporting assembly consists of a connecting block, reinforcing ribs, a secondary drill bit matrix and a primary drill bit matrix, the connecting block is arranged on the drill collar, the primary drill bit matrix is arranged on the connecting block, the secondary drill bit matrix is arranged on the primary drill bit matrix, the reinforcing ribs are arranged on the side face of the connecting block, the drilling assembly consists of a fixed block, a scraping drill bit, a chip removing port, a positioning drill bit, a chip guiding groove, a rock breaking drill bit and a reaming drill bit, the fixed block is arranged on the side face of the secondary drill bit matrix, the rock breaking drill bit is arranged on the side face of the secondary drill bit matrix, the chip guiding groove is arranged on the rock breaking drill bit, the chip guiding groove is connected with the chip removing port, and the secondary drill bit matrix is arranged at one end of the drill bit positioning cone.
2. An anti-bias drill probe for drilling equipment according to claim 1, wherein a plurality of guide chip teeth are arranged in the chip guide groove, and a plurality of the guide chip teeth are arranged at equal intervals along the width direction of the chip guide groove.
3. The anti-bias drilling probe for drilling equipment according to claim 1, wherein the scraping drill bit is provided with a plurality of concave grooves, the width of each concave groove gradually decreases from one end to the other end in an arc shape, and the plurality of concave grooves are equidistantly arranged along the circumferential direction of the central spiral of the scraping drill bit.
4. The anti-bias drilling probe for drilling equipment according to claim 1, wherein the drill collar is of a cylindrical structure, the connecting block is of a cylindrical structure, the diameter of the connecting block is larger than that of the drill collar, and the main bit matrix is of a cylindrical structure, and the diameter of the main bit matrix is larger than that of the connecting block.
5. The deflection-preventing drill probe for drilling equipment according to claim 1, wherein the secondary drill bit base body is of a cone structure, the diameter of the secondary drill bit base body is smaller than that of the primary drill bit base body, the reinforcing ribs are of a triangular cone structure with arc-shaped side faces, and a plurality of reinforcing ribs are arranged at equal intervals along the circumferential direction of the side faces of the connecting block.
6. The deviation-preventing drill probe for drilling equipment according to claim 1, wherein the fixing blocks are of arc-shaped structures, the widths of the fixing blocks gradually decrease from one end to the other end, a plurality of fixing blocks are arranged, and the fixing blocks are circumferentially equidistant along the side face of the main drill bit matrix.
7. The anti-bias drilling probe for drilling equipment according to claim 1, wherein one side surface of the fixing block is connected with the bottom of the reinforcing rib and corresponds to one side, the reamer bits are of arc-shaped structures, a plurality of reamer bits are arranged at equal intervals along the circumferential direction of the main bit matrix.
8. The deviation-preventing drill probe for drilling equipment according to claim 1, wherein the rock breaking drill bits are of an arc-shaped structure, a plurality of rock breaking drill bits are arranged at equal intervals along the circumferential direction of the side face of the auxiliary drill bit base body, the chip discharge ports correspond to the rock breaking drill bits, one side face of each chip discharge port is connected with one side face of each rock breaking drill bit, the chip guide grooves are of an arc-shaped structure, and a plurality of chip guide grooves are arranged at equal intervals along the length direction of each rock breaking drill bit.
9. The anti-bias drilling probe for the drilling equipment according to claim 1, wherein the rock breaking drill bit is provided with a chip guide groove, and the chip guide groove is matched with the chip discharge port, so that broken chips of the rock breaking drill bit can enter the chip discharge port from the chip guide groove, and then the drill bit is discharged from the chip discharge port, and the drill bit is prevented from being blocked and blocked due to the blockage of the chips.
10. The deflection-preventing drill probe for drilling equipment according to claim 1, wherein the positioning drill bit is matched with the rock breaking drill bit to perform small-area drilling, so that hard rock can be drilled and broken in a small range, and the reaming drill bit and the scraping drill bit are guided to perform rock breaking and reaming along a guiding track, so that the condition that a large-area rock stratum cannot be broken by simple scraping is prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311572138.4A CN117365306A (en) | 2023-11-20 | 2023-11-20 | Deviation-preventing drilling head for drilling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311572138.4A CN117365306A (en) | 2023-11-20 | 2023-11-20 | Deviation-preventing drilling head for drilling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117365306A true CN117365306A (en) | 2024-01-09 |
Family
ID=89404253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311572138.4A Pending CN117365306A (en) | 2023-11-20 | 2023-11-20 | Deviation-preventing drilling head for drilling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117365306A (en) |
-
2023
- 2023-11-20 CN CN202311572138.4A patent/CN117365306A/en active Pending
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