CN115874946B - Drill bit convenient to clearance - Google Patents
Drill bit convenient to clearance Download PDFInfo
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- CN115874946B CN115874946B CN202310164861.2A CN202310164861A CN115874946B CN 115874946 B CN115874946 B CN 115874946B CN 202310164861 A CN202310164861 A CN 202310164861A CN 115874946 B CN115874946 B CN 115874946B
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- 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
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Abstract
The invention discloses a drill bit convenient to clean, which belongs to the technical field of drill bit cleaning, and comprises a connecting cylinder, wherein the bottom of the connecting cylinder is fixedly connected with a mounting seat, the surface of the mounting seat is provided with a plurality of water spray ports, and the bottom of the mounting seat is provided with three gear wheels; when the drill bit is required to be cleaned after drilling is finished, the drill bit is moved out of the well, and then the rock scraps and soil between the three gear wheels are cleaned in a dispersed way by utilizing the cleaning block, so that the rock scraps and soil which are difficult to clean between the three gear wheels are conveniently and rapidly separated from the drill bit, the rock scraps and soil which are mixed between the three gear wheels are prevented from being mixed between the three gear wheels, in the cleaning process, water flow can be sprayed out from the end part of the cleaning block through the guide groove, the rock scraps in four corners of the end part of the drill bit are directly washed, the rock scraps at the end part of the drill bit are rapidly washed away and washed away from the drill bit, the cleaning efficiency is improved, manual washing is not required, and the manual work load is reduced.
Description
Technical Field
The invention relates to the technical field of drill bit cleaning, in particular to a drill bit convenient to clean.
Background
In the petroleum and natural gas exploration process, a drilling technology is generally required to be utilized to know geological conditions so as to make a geological planing map of drilling, and in the drilling process, oil and gas reserves can be measured and calculated by taking out oil and gas layer substances, so that a drilling project for the purpose of developing distant conditions is provided; with further development of petroleum resources, the number of the oil wells which can be produced by conventional drilling is smaller and smaller, the difficulty of production is larger and more, and the proportion of special process wells such as directional wells, inclined wells, large-displacement wells, horizontal wells, branch wells and the like which are developed by unconventional drilling in petroleum production is larger and more; when the roller bit works, the cutting teeth alternately contact the bottom of the well, the rock breaking torque is small, the contact area between the cutting teeth and the bottom of the well is small, the specific pressure is high, and the stratum is easy to be eaten; the total length of the working edge is large, so that abrasion is relatively reduced; roller cone drill bits are capable of accommodating a wide variety of formations ranging from soft to hard.
In the prior art, when a roller bit (such as a tricone bit) is used for drilling, rock encountered in the drilling process is crushed by the roller bit, rock scraps and soil are mixed at the end part of the roller bit after the drilling is finished, then a water pipe is used for flushing the bit manually, but the soil on the surface of the roller bit and the rock scraps attached to the surface of the roller bit can only be flushed away from the roller bit manually, broken stones and soil are mixed among a plurality of roller cones at the end part of the roller bit, the broken stones and the soil between the plurality of roller cones are difficult to clean by manual flushing, the plurality of roller cones are blocked by the residual rock scraps among the plurality of roller cones at the end part of the roller bit, the roller bit is difficult to clean by rotation manually, the soil remained in the roller bit is not cleaned for a long time, corrosion is caused to the roller bit, and the storage time of the roller bit and the service life of the subsequent roller bit are influenced.
Disclosure of Invention
The present invention is directed to a drill bit that is easy to clean, and solves the above-mentioned problems.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a drill bit convenient to clearance, includes the connecting cylinder, the bottom fixedly connected with mount pad of connecting cylinder, the surface of mount pad is equipped with a plurality of water jet, the bottom of mount pad is equipped with three cone, the surface of connecting cylinder is equipped with three clearance mechanism, clearance mechanism can remove to the surface of mount pad and clear up the dead angle between three cone, clearance mechanism surface is equipped with the brush mechanism, brush mechanism is used for brushing three cone when clearance mechanism carries out the clearance, the inside guiding mechanism that is equipped with the water jet spun water direction of guiding mechanism that guides the clearance mechanism, guiding mechanism is used for the water jet spun water guide towards three cone positions and brush mechanism position;
as a further scheme of the invention, the cleaning mechanism comprises a telescopic longitudinal driving plate, the longitudinal driving plate is arc-shaped and is fixedly connected to the surface of the mounting seat, the longitudinal driving plate is attached to the surface of the connecting cylinder, the surface of the longitudinal driving plate is fixedly connected with a telescopic transverse driving plate, the transverse driving plate can extend to the outer side of the mounting seat, the surface of the transverse driving plate is fixedly connected with a cleaning box, the surface of the cleaning box is arc-shaped, the surface of the inner wall of the cleaning box is slidingly connected with a plurality of cleaning blocks, the cleaning blocks are connected through telescopic connecting rods, one side of the cleaning block, which is close to the mounting seat, is conical, cleaning openings are formed in the surface of the cleaning box, the surface of the inner wall of the cleaning box is fixedly connected with a driving electric cylinder, the driving electric cylinder is slidingly connected with the surface of the cleaning block, and the driving electric cylinder drives the cleaning block to move, and the cleaning block can move between three gear wheels;
as a further scheme of the invention, the brushing mechanism comprises a telescopic sliding rod, the sliding rod is elastically connected to the surface of one side of the cleaning box, which is close to the cleaning opening, a yielding opening is formed in the surface of the sliding rod, which corresponds to the cleaning opening, the width of the yielding opening is smaller than that of the cleaning opening, the cleaning block acts on the sliding rod, and a cleaning brush is fixedly connected to the surface of the sliding rod;
as a further scheme of the invention, the guiding mechanism comprises a guiding groove, the guiding groove is arranged on the surfaces of the cleaning block and the connecting rod, the guiding groove penetrates through the end part of the cleaning block, the cleaning block can move to the water spraying position, the inner wall surface of the guiding groove is provided with a water outlet, and the water outlet penetrates through the cleaning block;
as a further scheme of the invention, a sliding groove is formed in the surface of the cleaning block, a plurality of sections of bending is arranged in the middle of the sliding groove, a sliding block is fixedly connected with the surface of the inner wall of the cleaning opening, and the sliding block slides in the sliding groove;
as a further scheme of the invention, a plurality of cleaning teeth are hinged on the surface of the sliding rod, which is close to one side of the roller cone, in a one-way manner, and the cleaning teeth can be turned between the cleaning brushes;
as a further scheme of the invention, the bottom surface of the mounting seat is hinged with three overturning seats, and three roller cones are respectively connected to the surfaces of the three overturning seats in a rotating way;
as a further scheme of the invention, the surface of the mounting seat is slidably connected with a plurality of limiting plates, the limiting plates limit the overturning seat, the surface of the mounting seat is elastically slidably connected with an extrusion plate, the upper end of the extrusion plate is an inclined plane, the extrusion plate can move to the lower side of the transverse driving plate, the transverse driving plate can act as the extrusion plate, the surface of the extrusion plate is fixedly connected with a blocking plate, and the blocking plate blocks the limiting plates.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, when the drill bit is required to be cleaned after drilling is finished, the drill bit is firstly moved out of the well, and then the cleaning block is utilized to carry out dispersed cleaning on the rock chips and the soil between the three gear wheels, so that the rock chips and the soil which are difficult to clean between the three gear wheels are conveniently and rapidly separated from the drill bit, the rock chips and the soil which are mixed between the three gear wheels are prevented from being mixed and adhered between the three gear wheels, the cleaning time is increased, in the cleaning process, water flow can be sprayed out from the end part of the cleaning block through the guide groove, the rock chips in four corners of the end part of the drill bit are directly washed, the rock chips at the end part of the drill bit are conveniently and rapidly dispersed and washed away from the drill bit, the cleaning efficiency is improved, the manual washing is not required, the manual work is reduced, the situation that the soil and the rock chips are still adhered to the surface of the drill bit under the viscous action of the soil is avoided, and the water spray nozzle cannot be directly washed to the position between the three gear wheels, and the rock chips between the three gear wheels cannot be thoroughly cleaned is caused.
According to the invention, in the process of cleaning the drill bit by the cleaning block, the cleaning block can reciprocate in the cleaning port, the sliding block can move in the sliding groove, the sliding block can act on the cleaning block to swing, the cleaning range of the end part can be enlarged by swinging the cleaning block, the range of water flow scouring of the guide groove can be enlarged, the end part of the drill bit can be cleaned quickly, the cleaning range of the cleaning block is avoided, the cleaning speed is low, the cleaning time is prolonged, the cleaning block swings to act on the sliding rod to stretch, the cleaning brush can move in multiple directions, the cleaning brush can brush the cone in multiple directions, the cleaning speed of the cone is further improved, and the cleaning time is further reduced.
According to the invention, in the process of cleaning the drill bit by the cleaning block, the cleaning block can drive the sliding rod to shrink and move, the cleaning teeth on the surface of the sliding rod can move along with the sliding rod, and the cleaning teeth can disperse and strip the rock debris attached to the surface of the mounting seat, so that the rock debris between the cleaning blocks can be cleaned, the rock debris and soil at the end part of the drill bit can be completely cleaned, and the rock debris and soil which cannot be cleaned by the cleaning block are prevented from being attached to the surface of the drill bit.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the general bottom of the present invention;
FIG. 3 is a schematic diagram of the connection relationship between the cleaning box, the transverse driving plate and the longitudinal driving plate in the present invention;
FIG. 4 is a schematic view of the structure shown in FIG. 3A;
FIG. 5 is a schematic view of the structure of the interior of the purge bin of the present invention;
FIG. 6 is a schematic view of a cleaning port and a slider according to the present invention;
FIG. 7 is a schematic view of the structure of the cleaning block and the connecting rod according to the present invention;
FIG. 8 is a schematic diagram of the position relationship of the limiting plate, the extruding plate and the blocking plate in the present invention;
fig. 9 is a schematic structural diagram of a connection relationship between a mounting seat and a flip seat in the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
the cleaning device comprises a connecting cylinder 1, a mounting seat 2, a water spraying port 3, a roller 4, a longitudinal driving plate 5, a transverse driving plate 6, a cleaning box 7, a cleaning block 8, a connecting rod 9, a cleaning port 10, a driving electric cylinder 11, a sliding rod 12, a yielding port 13, a cleaning brush 14, a guide groove 15, a water outlet 16, a sliding groove 17, a sliding block 18, cleaning teeth 19, a turnover seat 20, a limiting plate 21, a squeezing plate 22 and a blocking plate 23.
Description of the embodiments
Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a drill bit convenient to clearance, including connecting cylinder 1, the bottom fixedly connected with mount pad 2 of connecting cylinder 1, the surface of mount pad 2 is equipped with a plurality of water jet 3, the bottom of mount pad 2 is equipped with three cone 4, the surface of connecting cylinder 1 is equipped with three clearance mechanism, clearance mechanism can remove to the surface of mount pad 2 and clear up the dead angle between three cone 4, clearance mechanism surface is equipped with the brush mechanism, brush mechanism is used for cleaning up the mechanism and carries out the brush to three cone 4 when carrying out the clearance, the inside guiding mechanism that is equipped with of clearance mechanism guides the water flow direction of water jet 3 blowout, guiding mechanism is used for the water guide of water jet 3 blowout to dash to three cone 4 positions and brush mechanism position;
the cleaning mechanism comprises a telescopic longitudinal driving plate 5, the longitudinal driving plate 5 is arc-shaped, the longitudinal driving plate 5 is fixedly connected to the surface of the mounting seat 2, the longitudinal driving plate 5 is attached to the surface of the connecting cylinder 1, a telescopic transverse driving plate 6 is fixedly connected to the surface of the longitudinal driving plate 5, the transverse driving plate 6 can extend to the outer side of the mounting seat 2, a cleaning box 7 is fixedly connected to the surface of the transverse driving plate 6, the surface of the cleaning box 7 is arc-shaped, a plurality of cleaning blocks 8 are slidably connected to the surface of the inner wall of the cleaning box 7, the cleaning blocks 8 are connected through telescopic connecting rods 9, one side of the cleaning block 8 close to the mounting seat 2 is conical, cleaning openings 10 are formed in positions, corresponding to the cleaning blocks 8, of the surface of the cleaning box 7, driving electric cylinders 11 are slidably connected to the surface of the cleaning block 8, the driving electric cylinders 11 drive the cleaning blocks 8 to move, and the cleaning blocks 8 can move between three roller cones 4;
the brushing mechanism comprises a telescopic sliding rod 12, the sliding rod 12 is elastically connected to the surface of one side of the cleaning box 7, which is close to the cleaning opening 10, a yielding opening 13 is formed in the surface of the sliding rod 12, which corresponds to the cleaning opening 10, the width of the yielding opening 13 is smaller than that of the cleaning opening 10, the cleaning block 8 acts on the sliding rod 12, and a cleaning brush 14 is fixedly connected to the surface of the sliding rod 12;
the guide mechanism comprises a guide groove 15, the guide groove 15 is formed in the surfaces of the cleaning block 8 and the connecting rod 9, the guide groove 15 penetrates through the end part of the cleaning block 8, the cleaning block 8 can move to the position of the water spraying port 3, the inner wall surface of the guide groove 15 is provided with a water outlet 16, and the water outlet 16 penetrates through the cleaning block 8;
in the drilling process of the drill bit, the cleaning box 7 is attached to the surfaces of the connecting cylinder 1 and the mounting seat 2 under the action of the transverse driving plate 6 and the longitudinal driving plate 5, so that the normal drilling work of the drill bit is avoided, then after the drilling is completed, when the drill bit is required to be cleaned, the drill bit is moved out of the drilling well, the transverse driving plate 6 pushes the cleaning box 7 to move, the cleaning box 7 moves to the outer side of the mounting seat 2, then the longitudinal driving plate 5 acts on the cleaning box 7 to move towards the side close to the roller 4, the cleaning box 7 moves downwards along the side surface of the mounting seat 2, when the longitudinal driving plate 5 is completely contracted, the cleaning opening 10 moves to the surface of the mounting seat 2, then the cleaning block 8 is driven by the driving cylinder 11 to reciprocate, a plurality of cleaning blocks 8 reciprocate together through the connecting rod 9, and rock chips and soil between the three roller 4 can be cleaned by the cleaning blocks 8, the cone shape of the end part of the cleaning block 8 can disperse the rock chips and the soil which are mixed with the drill bit, is favorable for scattering the rock chips and the soil which are difficult to clean among the three roller cones 4, is convenient for rapidly cleaning the rock chips and the soil which are mixed among the three roller cones 4 from the drill bit, avoids the rock chips and the soil which are mixed among the three roller cones 4 and are difficult to clean, thereby increasing the cleaning time, the water sprayed out from the water spraying port 3 flows along the guide groove 15 when the cleaning block 8 moves to the water spraying port 3 in the process of cleaning the rock chips and the soil of the end part of the drill bit, the water can be sprayed out from the end part of the cleaning block 8 through the guide groove 15 when the cleaning block 8 cleans the rock chips, the utility model discloses a rock debris and earth with be favorable to quick to bit tip are washed away and are washed away the drill bit, improve cleaning efficiency, do not need the manual work to wash, reduce manual work load, avoid cleaning block 8 to be with rock debris and earth dispersion back, earth and rock debris can still be attached to the surface of drill bit under the stickness effect of earth, and water jet 3 can not directly wash the position between three cone 4, thereby it can not thoroughly clear up to lead to rock debris and earth between the three cone 4, in the in-process of cleaning block 8 reciprocating motion, cleaning block 8 can shift out cleaning gate 10, cleaning block 8 tip can move to in the mouth 13 of stepping down, cleaning block 8 can not pass mouthful 13 of stepping down completely, cleaning block 8 can drive slide bar 12 through stepping down mouthful 13 and move together, slide bar 12 can move together with cleaning brush 14, cleaning brush 14 can brush 4, and slide bar 12 tip can stir the cone 4 and rotate, can be with the attached to the whole surface of cone 4's of cone 4, thereby the in-process of brushing, rivers can flow into guide slot 15 and earth can not thoroughly clear up, in the in-process of brushing, in the water jet 16 can not be carried out the time of cleaning up the surface of the cone 4 with the water jet 14, can be guaranteed to be directly with the surface of the bit 4, the surface is washed away through the water jet 16, can not be washed away from the surface is difficult to be washed away with the surface of the surface is washed away to the surface of the cone 4, thereby can be guaranteed to be washed away with the surface is washed away by the water of the tip, and is difficult to be washed down.
In the process of cleaning the drill bit by the cleaning block 8, the cleaning block 8 can only move in one direction, the cleaning range is limited, as a further scheme of the invention, the surface of the cleaning block 8 is provided with a sliding groove 17, the middle of the sliding groove 17 is provided with a plurality of sections of bending, the surface of the inner wall of the cleaning port 10 is fixedly connected with a sliding block 18, and the sliding block 18 slides in the sliding groove 17; in the process of cleaning the drill bit by the cleaning block 8, the cleaning block 8 can reciprocate in the cleaning port 10, the sliding block 18 can move in the sliding groove 17, the sliding block 18 can act on the cleaning block 8 to swing, the cleaning range of the end part can be enlarged by the swinging of the cleaning block 8, the water flow scouring range of the guide groove 15 can be enlarged, the rapid cleaning of the end part of the drill bit is facilitated, the cleaning range of the cleaning block 8 is avoided, the cleaning speed is low, the cleaning time is increased, the cleaning block 8 swings to act on the sliding rod 12 to stretch out and draw back, the cleaning brush 14 can move in multiple directions, the cleaning brush 14 can brush the cone 4 in multiple directions, the cleaning speed of the cone 4 is further improved, and the cleaning time is further shortened.
In the process of cleaning the drill bit, rock fragments between the two cleaning blocks 8 can be blocked by the sliding rod 12 and cannot be cleaned, and as a further scheme of the invention, a plurality of cleaning teeth 19 are hinged on one side surface of the sliding rod 12, which is close to the cone 4, in a one-way manner, and the cleaning teeth 19 can be turned between the cleaning brushes 14; in the process of cleaning the drill bit by the cleaning block 8, the cleaning block 8 can drive the sliding rod 12 to shrink and move, the cleaning teeth 19 on the surface of the sliding rod 12 can move along with the sliding rod 12, the cleaning teeth 19 can be used for scattering and stripping the rock debris attached to the surface of the mounting seat 2, the rock debris between the cleaning blocks 8 is beneficial to cleaning, the rock debris and the soil at the end part of the drill bit can be completely cleaned, the rock debris and the soil which cannot be cleaned by the cleaning block 8 are prevented from being attached to the surface of the drill bit, then after the cleaning is finished, the cleaning block 8 can shrink into the cleaning box 7, the longitudinal driving plate 5 can act on the cleaning box 7 to move upwards along the mounting seat 2, and the cleaning teeth 19 can be overturned between the cleaning brushes 14 under the action of the mounting seat 2.
When the drill bit cleans a place with more rocks after drilling, broken stone and soil are mixed between the three roller cones 4, and the three roller cones 4 are blocked due to larger broken stone, so that the cleaning block 8 can not stir and clean the broken stone among the three roller cones 4; after the drilling is finished, rock scraps and soil on the surface of the drill bit are required to be cleaned, after the cleaning is finished, when broken stones and soil still clamped between the three roller cones 4 are still present, the overturning seat 20 is rotated outwards, the three roller cones 4 can be fully exposed, the broken stones and the soil clamped between the three roller cones 4 are favorable for being cleaned, damage to the roller cones 4 caused by taking out the clamped broken stones by using a tool manually is reduced, and when the clamped broken stones are taken out by using the tool manually, the broken stones are loosened under the action of tool impact or prying, the roller cones 4 rotate under the action of external force of the tool in the process of loosening the broken stones, so that damage to a human body is easily caused.
In the using process of the drill bit, the drill bit needs to bear a certain extrusion force, the overturning seat 20 needs to be kept stable, as a further scheme of the invention, the surface of the installation seat 2 is connected with a plurality of limiting plates 21 in a sliding way, the limiting plates 21 limit the overturning seat 20, the surface of the installation seat 2 is elastically connected with an extrusion plate 22 in a sliding way, the upper end of the extrusion plate 22 is an inclined plane, the extrusion plate 22 can move to the lower part of the transverse driving plate 6, the transverse driving plate 6 can act as the extrusion plate 22, the surface of the extrusion plate 22 is fixedly connected with a blocking plate 23, and the blocking plate 23 blocks the limiting plates 21; after the drill bit is cleaned, the overturning seat 20 is restored to the original position, then the limiting plate 21 slides downwards, the limiting plate 21 can limit the overturning seat 20, so that the overturning seat 20 is kept stable, then when the longitudinal driving plate 5 stretches gradually, the extruding plate 22 can move to the lower side of the transverse driving plate 6, the blocking plate 23 can move to the upper side of the limiting plate 21, the limiting plate 21 is blocked, the limiting plate 21 is prevented from moving, and the stability of the drill bit during drilling is guaranteed.
Claims (7)
1. Drill bit convenient to clearance, including connecting cylinder (1), its characterized in that: the cleaning device comprises a connecting cylinder (1), wherein the bottom of the connecting cylinder (1) is fixedly connected with a mounting seat (2), the surface of the mounting seat (2) is provided with a plurality of water spray ports (3), the bottom of the mounting seat (2) is provided with three gear wheels (4), the surface of the connecting cylinder (1) is provided with three cleaning mechanisms, the cleaning mechanisms can move to the surface of the mounting seat (2) and clean dead angles among the three gear wheels (4), the surface of the cleaning mechanisms is provided with a brushing mechanism, the brushing mechanism is used for brushing the three gear wheels (4) when the cleaning mechanisms clean, the inside of the cleaning mechanism is provided with a guiding mechanism for guiding water sprayed by the water spray ports (3) to flow to the positions of the three gear wheels (4), and the guiding mechanism is used for guiding water sprayed by the water spray ports (3) to flow to the positions of the three gear wheels (4);
the cleaning mechanism comprises a telescopic longitudinal driving plate (5), the longitudinal driving plate (5) is arc-shaped, the longitudinal driving plate (5) is fixedly connected with the surface of the mounting seat (2), the longitudinal driving plate (5) is in surface fit with the connecting cylinder (1), the surface of the longitudinal driving plate (5) is fixedly connected with a telescopic transverse driving plate (6), the transverse driving plate (6) can extend to the outer side of the mounting seat (2), the surface of the transverse driving plate (6) is fixedly connected with a cleaning box (7), the surface of the cleaning box (7) is arc-shaped, a plurality of cleaning blocks (8) are connected with the surface of the inner wall of the cleaning box (7) in a sliding mode, a plurality of cleaning blocks (8) are connected through telescopic connecting rods (9), one side of the cleaning blocks (8) is conical, the surface of the cleaning box (7) is corresponding to the positions of the cleaning blocks (8), the surface of the cleaning box (7) is fixedly connected with an electric driving block (11), and the electric driving block (11) can be connected with the surface of the electric cleaning cylinder (8), and the electric cleaning block (8) can be connected with the electric cleaning cylinder (11).
2. A drill bit for facilitating cleaning as defined in claim 1, wherein: the brushing mechanism comprises a telescopic sliding rod (12), the sliding rod (12) is elastically connected with the cleaning box (7) to be close to one side surface of the cleaning opening (10), a yielding opening (13) is formed in the surface of the sliding rod (12) corresponding to the cleaning opening (10), the width of the yielding opening (13) is smaller than that of the cleaning opening (10), the cleaning block (8) acts on the sliding rod (12), and a cleaning brush (14) is fixedly connected to the surface of the sliding rod (12).
3. A drill bit for facilitating cleaning as defined in claim 2, wherein: the guide mechanism comprises a guide groove (15), the guide groove (15) is formed in the surface of the cleaning block (8) and the surface of the connecting rod (9), the guide groove (15) penetrates through the end portion of the cleaning block (8), the cleaning block (8) can move to the position of the water spraying opening (3), a water outlet (16) is formed in the surface of the inner wall of the guide groove (15), and the water outlet (16) penetrates through the cleaning block (8).
4. A drill bit for facilitating cleaning as defined in claim 1, wherein: the cleaning device is characterized in that a sliding groove (17) is formed in the surface of the cleaning block (8), a plurality of sections of bending is arranged in the middle of the sliding groove (17), a sliding block (18) is fixedly connected with the surface of the inner wall of the cleaning opening (10), and the sliding block (18) slides in the sliding groove (17).
5. A drill bit for facilitating cleaning as defined in claim 2, wherein: the sliding rod (12) is close to one side surface of the roller cone (4) and is unidirectionally hinged with a plurality of cleaning teeth (19), and the cleaning teeth (19) can be overturned between the cleaning brushes (14).
6. A drill bit for facilitating cleaning as defined in claim 1, wherein: the three overturning seats (20) are hinged to the bottom surface of the mounting seat (2), and the three gear wheels (4) are respectively connected to the surfaces of the three overturning seats (20) in a rotating mode.
7. A drill bit for facilitating cleaning as recited in claim 6, further comprising: the surface sliding connection of mount pad (2) has a plurality of limiting plates (21), limiting plates (21) are right upset seat (20) are spacing, the surface elasticity sliding connection of mount pad (2) has stripper plate (22), the upper end of stripper plate (22) is the inclined plane, and stripper plate (22) can remove to the below of horizontal drive board (6), horizontal drive board (6) can act as stripper plate (22), the fixed surface of stripper plate (22) is connected with barrier plate (23), barrier plate (23) block limiting plates (21).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310164861.2A CN115874946B (en) | 2023-02-27 | 2023-02-27 | Drill bit convenient to clearance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310164861.2A CN115874946B (en) | 2023-02-27 | 2023-02-27 | Drill bit convenient to clearance |
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| CN115874946A CN115874946A (en) | 2023-03-31 |
| CN115874946B true CN115874946B (en) | 2023-05-30 |
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| CN117569747B (en) * | 2024-01-16 | 2024-04-09 | 陕西星通石油工程技术有限公司 | Anti-balling PDC drill bit capable of removing chips rapidly |
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| CN214787199U (en) * | 2020-08-05 | 2021-11-19 | 山东荣正石油科技有限公司 | High-speed rotary mud-removing oil well drill bit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216157576U (en) * | 2021-09-14 | 2022-04-01 | 浙江建设职业技术学院 | Geological drilling rig device for construction engineering |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4408671A (en) * | 1980-04-24 | 1983-10-11 | Munson Beauford E | Roller cone drill bit |
| CN101382045A (en) * | 2008-07-30 | 2009-03-11 | 江汉石油钻头股份有限公司 | Three-cone bit for horizontal well and hard formation well |
| CN104481406A (en) * | 2014-10-11 | 2015-04-01 | 中国石油集团渤海钻探工程有限公司 | Test drill of particle impact well |
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| CN214787199U (en) * | 2020-08-05 | 2021-11-19 | 山东荣正石油科技有限公司 | High-speed rotary mud-removing oil well drill bit |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115874946A (en) | 2023-03-31 |
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Effective date of registration: 20230512 Address after: 257200 No.9, Yanghe Road, economic development zone, Hekou District, Dongying City, Shandong Province Applicant after: SHENGLI OIL FIELD WANHE OIL CONSTRUCTION TECHNIQUE LIMITED LIABILITY Co.,Ltd. Applicant after: China University of Petroleum (Beijing) Address before: 257200 No.9, Yanghe Road, economic development zone, Hekou District, Dongying City, Shandong Province Applicant before: SHENGLI OIL FIELD WANHE OIL CONSTRUCTION TECHNIQUE LIMITED LIABILITY Co.,Ltd. |
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