CN111946273A - Reaming roller bit for petroleum, mine and geological exploration drilling - Google Patents

Reaming roller bit for petroleum, mine and geological exploration drilling Download PDF

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Publication number
CN111946273A
CN111946273A CN202010854410.8A CN202010854410A CN111946273A CN 111946273 A CN111946273 A CN 111946273A CN 202010854410 A CN202010854410 A CN 202010854410A CN 111946273 A CN111946273 A CN 111946273A
Authority
CN
China
Prior art keywords
fixed
sliding block
sliding
mine
cavity
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.)
Pending
Application number
CN202010854410.8A
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Chinese (zh)
Inventor
章松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Shunde Yuanjing Moulding Electric Co ltd
Original Assignee
Foshan Shunde Yuanjing Moulding Electric Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Foshan Shunde Yuanjing Moulding Electric Co ltd filed Critical Foshan Shunde Yuanjing Moulding Electric Co ltd
Priority to CN202010854410.8A priority Critical patent/CN111946273A/en
Publication of CN111946273A publication Critical patent/CN111946273A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/04Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/046Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/04Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07Telescoping joints for varying drill string lengths; Shock absorbers
    • E21B17/076Telescoping joints for varying drill string lengths; Shock absorbers between rod or pipe and drill bit

Abstract

The invention discloses a reaming roller bit for drilling in petroleum, mine and geological exploration, which comprises a bit body, wherein a sliding groove seat is fixed at the top end of the bit body, a sliding block is connected to the inner side of the sliding groove seat in a sliding manner, and a clamping groove corresponding to the sliding groove seat is formed in the surface of one side of the sliding block; a fixed groove is formed in a cavity of the sliding groove seat, first return springs are uniformly distributed and fixed on the inner side of the fixed groove, a connecting plate is fixed at the tail end of each first return spring, an insertion rod penetrates through the connecting plate, the insertion rod extends to the outer wall of one side of the sliding groove seat, a handle is fixed at the tail end of the insertion rod, and one side, away from the handle, of the insertion rod extends to the inside of the clamping groove; mounting grooves are formed in the surfaces of the two sides of the sliding block, uniform second return springs are fixed on the inner sides of the mounting grooves, auxiliary sliding blocks are fixed at the tail ends of the second return springs, and the surface of one side of each auxiliary sliding block is tightly attached to the inner portion of one side of the sliding groove seat; through the inserted bar that sets up, can dismantle, change the drill bit body of damage convenient, quick.

Description

Reaming roller bit for petroleum, mine and geological exploration drilling
Technical Field
The invention relates to the technical field of drill bits, in particular to a reaming cone bit for petroleum, mine and geological exploration drilling.
Background
The drill bit is an integral part of the drilling apparatus and its main function is to break rock and form the borehole. The rotary drill bit is a drill bit commonly used in the petroleum industry at present, and can rotate under the drive of machinery, so that the whole drill bit is driven to perform centripetal motion, and rocks are cracked and broken through cutting and grinding, so that the effect of drilling downwards is achieved. The drill bit is one of the major drilling devices.
However, the existing drill bit still has some disadvantages, after the drill bit body is used for a long time, the surface of the drill bit body can be abraded to a certain degree, and when the drill bit body needs to be replaced, the problems of complex disassembly process, time consumption and labor consumption exist, and therefore the reaming roller cone drill bit for petroleum, mine and geological exploration drilling is provided.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the oil, mine and geological exploration drill, and in order to overcome the defects of the prior art, the invention provides the reaming roller bit for the oil, mine and geological exploration drill, the damaged bit body can be conveniently and quickly detached and replaced through the arranged connecting mechanism, the drilling effect of the bit body is further ensured, the trouble of replacing the bit body by workers is also reduced, and the working efficiency of the bit body is improved.
In order to solve the technical problems, the invention provides the following technical scheme: a reaming roller bit for drilling in petroleum, mine and geological exploration comprises a bit body, wherein a sliding groove seat is fixed at the top end of the bit body, a sliding block is connected to the inner side of the sliding groove seat in a sliding mode, and a clamping groove corresponding to the sliding groove seat is formed in the surface of one side of the sliding block; a fixed groove is formed in a cavity of the sliding groove seat, first return springs are fixed on the inner side of the fixed groove and are uniformly distributed, a connecting plate is fixed at the tail end of each first return spring, an insertion rod penetrates through the connecting plate, the insertion rod extends to the outer wall of one side of the sliding groove seat, a handle is fixed at the tail end of the insertion rod, and one side, away from the handle, of the insertion rod extends to the inside of the clamping groove; the mounting groove has all been seted up on the both sides surface of slider, the inboard of mounting groove is fixed with even second reset spring, second reset spring's end is fixed with supplementary slider, one side surface of supplementary slider is hugged closely inside one side of sliding groove seat.
As a preferred technical scheme of the invention, an installation seat is fixed at the top end of the sliding block, a shock absorption seat is slidably sleeved on the outer side of the installation seat, a buffer groove is formed in the bottom end of the shock absorption seat, sliding grooves are formed in the two sides of the buffer groove, a sliding block is slidably connected to the inner side of each sliding groove, each sliding groove is in insertion fit with the corresponding sliding block, a limiting plate is fixed on the surface of one side of each sliding block, the bottom end of each limiting plate is fixedly connected with the top end of the installation seat, and damping springs which are uniformly distributed are fixed at the connection position of each limiting plate and the corresponding buffer groove.
As a preferable technical scheme of the invention, the sliding groove seat and the sliding block are both in a convex structure, and a cavity is formed in the sliding block.
As a preferred technical scheme of the invention, a protective sleeve is sleeved on the outer surface of the handle, and the protective sleeve is made of elastic rubber.
As a preferable technical scheme of the invention, the drill bit body is internally provided with a cavity, and the surface of the drill bit body is provided with uniformly distributed holes.
As a preferable technical scheme of the invention, a cavity is formed in the mounting seat, and weighing blocks which are distributed at equal intervals are fixed in the cavity.
As a preferable technical scheme of the invention, the vertical sections of the sliding block and the sliding groove are both T-shaped, and the width of the sliding groove is twice of one point of the width of the sliding block.
As a preferable technical scheme of the invention, the auxiliary sliding block is of an arc-shaped structure, and a cavity is formed in the auxiliary sliding block.
As a preferable technical scheme, a cavity is formed in the limiting plate, and reinforcing ribs are fixed in the cavity.
Compared with the prior art, the invention can achieve the following beneficial effects:
1. through the arranged inserted rod, the problems that the disassembly process is complicated, time and labor are wasted when the surface of the drill bit body is abraded to a certain degree and needs to be replaced after the drill bit body is used for a long time are effectively avoided, the damaged drill bit body can be conveniently and quickly disassembled and replaced, the drilling effect of the drill bit body is further ensured, the trouble of replacing the drill bit body by a worker is also reduced, and the working efficiency of the drill bit body is improved;
2. through the limiting plate that sets up, effectively avoided the drill bit body can produce certain vibrations when drilling for the skew probably appears in the drilling of drill bit body, has reduced the drilling quality of drill bit body then, can cushion the vibrations that produce when drilling of drill bit body, has guaranteed the drilling quality of drill bit body then, has also improved the stability of drill bit body when drilling.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the chute base, the slider and the shock-absorbing base of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of B of FIG. 2 in accordance with the present invention;
wherein: 1. a drill bit body; 2. a chute seat; 3. a slider; 4. a handle; 5. a mounting seat; 6. a shock absorbing seat; 7. a buffer tank; 8. a damping spring; 9. a chute; 10. a slider; 11. a limiting plate; 12. fixing grooves; 13. a first return spring; 14. a connecting plate; 15. inserting a rod; 16. a card slot; 17. mounting grooves; 18. a second return spring; 19. and an auxiliary slide block.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example (b):
as shown in fig. 1-3, a reaming roller bit for drilling in petroleum, mine and geological exploration comprises a bit body 1, a sliding groove seat 2 is fixed at the top end of the bit body 1, a sliding block 3 is connected to the inner side of the sliding groove seat 2 in a sliding manner, and a clamping groove 16 corresponding to the sliding groove seat 2 is formed in the surface of one side of the sliding block 3; a fixed groove 12 is formed in a cavity of the sliding groove seat 2, first return springs 13 are uniformly distributed on the inner side of the fixed groove 12, a connecting plate 14 is fixed at the tail end of each first return spring 13, an inserting rod 15 penetrates through each connecting plate 14, each inserting rod 15 extends to the outer wall of one side of the sliding groove seat 2, a handle 4 is fixed at the tail end of each inserting rod 15, and one side, far away from the handle 4, of each inserting rod 15 extends to the inside of a clamping groove 16; mounting grooves 17 are formed in the surfaces of the two sides of the sliding block 3, uniform second return springs 18 are fixed on the inner sides of the mounting grooves 17, auxiliary sliding blocks 19 are fixed at the tail ends of the second return springs 18, and the surface of one side of each auxiliary sliding block 19 is tightly attached to the inner portion of one side of the sliding groove seat 2;
when the drill bit body 1 is replaced, firstly, the insertion rod 15 is pulled outwards through the handle 4, so that the insertion rod 15 can move towards the left side through the elastic acting force of the first return spring 13, the tail end of the insertion rod 15 can be separated from the inside of the clamping groove 16, then the fixed state of the drill bit body 1 and the mounting seat 5 can be opened, then the drill bit body 1 can slide towards the front end outside the sliding block 3 through the sliding groove seat 2, and slide on the inner wall of one side of the sliding groove seat 2 through one side surface of the auxiliary sliding block 19, so that the sliding groove seat 2 can slide on the outer side of the sliding block 3 more conveniently, the sliding groove seat 2 slides away from the outer side of the sliding block 3, then the drill bit body 1 can be detached from the mounting seat 5, then the detached drill bit body 1 can be replaced, and then the damaged drill bit body 1 can be conveniently and quickly detached, The change ensures the drilling effect of the drill bit body 1, reduces the trouble of the change of the drill bit body 1 by the workers, and improves the working efficiency of the drill bit body 1.
In other embodiments, the embodiment discloses an installation position of a shock absorption and protection mechanism, as shown in fig. 3, an installation seat 5 is fixed at the top end of a sliding block 3, a shock absorption seat 6 is slidably sleeved at the outer side of the installation seat 5, a buffer groove 7 is formed at the bottom end of the shock absorption seat 6, sliding grooves 9 are formed in the two sides of the buffer groove 7, a sliding block 10 is slidably connected to the inner side of the sliding groove 9, the sliding grooves 9 are in insertion fit with the sliding block 10, a limiting plate 11 is fixed on the surface of one side of the sliding block 10, the bottom end of the limiting plate 11 is fixedly connected with the top end of the installation seat 5, and damping springs 8 which are uniformly distributed are fixed at the;
carry out the shock attenuation to drill bit body 1, during the protection, at first vibrations pass through on mount pad 5 transmits limiting plate 11, make limiting plate 11 appear reciprocating under the effect of vibrations, then at this moment limiting plate 11 will slide about sliding block 10 in spout 9's inboard, then at this moment damping spring 8 will receive tensile or extrusion, rely on its self reaction force to cushion again, and then drill bit body 1 when drilling has played the absorbing effect, thereby realized the vibrations that produce when can cushion drill bit body 1 and drill, drill bit body 1's drilling quality has then been guaranteed, the stability of drill bit body 1 when drilling has also been improved.
In other embodiments, the present embodiment discloses the mechanical shapes of the chute seat 2 and the slider 3, as shown in fig. 2, the chute seat 2 and the slider 3 are both in a "convex" structure, and a cavity is formed inside the slider 3;
through all setting up sliding tray seat 2 and slider 3 to "protruding" shape mechanism for slider 3 can slide around the inboard of sliding tray seat 2, has made things convenient for later stage to the dismantlement of drill bit body 1, change then, through seting up the cavity in the inside of slider 3 again, can alleviate slider 3's gravity, reduces the frictional force of slider 3 between to sliding tray seat 2 then, makes the slip between sliding tray seat 2 and the slider 3 more convenient.
In other embodiments, the embodiment discloses the installation position of the protective sleeve, as shown in fig. 2, the protective sleeve is sleeved on the outer surface of the handle 4, and the protective sleeve is made of elastic rubber;
the lag is cup jointed through the surface at handle 4, can protect the surface of handle 4, through the setting of elastic rubber material for when pulling handle 4 again, have certain antiskid nature, made things convenient for the removal of inserted bar 15 then.
In other embodiments, the present embodiment discloses the opening positions of the cavities and the holes, as shown in fig. 1, the drill bit body 1 has a cavity inside, and the surface of the drill bit body 1 has uniformly distributed holes;
the cavity is formed in the drill bit body 1, and then the holes which are uniformly distributed are formed in the outer surface of the drill bit body 1, so that water is injected into the cavity of the drill bit body 1 in the later period, and dust can be reduced for dust generated when the drill bit body 1 drills.
In other embodiments, the present embodiment discloses the opening position of the cavity and the mounting position of the bearing block, as shown in fig. 2, the mounting base 5 has a cavity therein, and the weighing blocks are fixed in the cavity and distributed at equal intervals;
through seting up the cavity in the inside at mount pad 5, then at the internally mounted equidistance bearing block who distributes of cavity, can increase the gravity of mount pad 5 for the support intensity of mount pad 5 improves, has then improved the stability of mount pad 5.
In other embodiments, the present embodiment discloses the vertical cross-sectional shapes of the sliding block 10 and the sliding slot 9, as shown in fig. 2, the vertical cross-sections of the sliding block 10 and the sliding slot 9 are both "T" shaped, and the width of the sliding slot 9 is twice of the width of the sliding block 10;
reciprocate in the inboard of spout 9 through sliding block 10 for mount pad 5 can carry out the spacing slip from top to bottom in the inside of cushion socket 6, has guaranteed the stability when drilling of drill bit body 1 then.
In other embodiments, the embodiment discloses the structure of the auxiliary sliding block 19 and the opening position of the cavity, as shown in fig. 4, the auxiliary sliding block 19 is an arc-shaped structure, and the cavity is formed inside the auxiliary sliding block 19;
through setting up supplementary slider 19 to the arc structure for the area of contact of supplementary slider 19 and the internal surface of chute seat 2 reduces, and the slider 3 of then being convenient for is in the inboard slip of chute seat 2, and through seting up the cavity in the inside at supplementary slider 19 again, can alleviate supplementary slider 19's dead weight, makes supplementary slider 19 can better receive the control of the elastic force of second reset spring 18 to carry out the removal about.
In other embodiments, the embodiment discloses an opening position of the cavity and a mounting position of the reinforcing rib, as shown in fig. 2, the limiting plate 11 is internally provided with the cavity, and the reinforcing rib is fixed in the cavity;
offer the cavity through the inside at limiting plate 11, then at the internally mounted strengthening rib of cavity, can increase limiting plate 11's dead weight for limiting plate 11's bearing strength increases, has prolonged limiting plate 11's life then.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides an oil, mine and geological exploration reaming roller bit for drilling, includes drill bit body (1), its characterized in that: a sliding groove seat (2) is fixed at the top end of the drill bit body (1), a sliding block (3) is connected to the inner side of the sliding groove seat (2) in a sliding mode, and a clamping groove (16) corresponding to the sliding groove seat (2) is formed in the surface of one side of the sliding block (3); a fixing groove (12) is formed in a cavity of the sliding groove seat (2), first return springs (13) which are uniformly distributed are fixed on the inner side of the fixing groove (12), a connecting plate (14) is fixed at the tail end of each first return spring (13), an inserting rod (15) penetrates through each connecting plate (14), each inserting rod (15) extends to the outer wall of one side of the sliding groove seat (2) and is fixed with a handle (4) at the tail end, and one side, far away from the handle (4), of each inserting rod (15) extends to the inside of the clamping groove (16); mounting groove (17) have all been seted up on the both sides surface of slider (3), the inboard of mounting groove (17) is fixed with even second reset spring (18), the end of second reset spring (18) is fixed with supplementary slider (19), one side surface of supplementary slider (19) is hugged closely inside one side of spout seat (2).
2. The reaming cone bit for oil, mine and geological exploration drilling according to claim 1, characterized in that: the top of slider (3) is fixed with mount pad (5), shock absorber (6) have been cup jointed in the outside slip of mount pad (5), dashpot (7) have been seted up to the bottom of shock absorber (6), spout (9) have all been seted up to the both sides inside of dashpot (7), the inboard sliding connection of spout (9) has sliding block (10), spout (9) and sliding block (10) grafting adaptation, a side fixed surface of sliding block (10) has limiting plate (11), the bottom of limiting plate (11) and the top fixed connection of mount pad (5), limiting plate (11) and the junction of dashpot (7) are fixed with evenly distributed's damping spring (8).
3. The reaming cone bit for oil, mine and geological exploration drilling according to claim 1, characterized in that: the sliding groove seat (2) and the sliding block (3) are both of a convex structure, and a cavity is formed in the sliding block (3).
4. The reaming cone bit for oil, mine and geological exploration drilling according to claim 1, characterized in that: the outer surface of the handle (4) is sleeved with a protective sleeve, and the protective sleeve is made of elastic rubber.
5. The reaming cone bit for oil, mine and geological exploration drilling according to claim 1, characterized in that: the drill bit comprises a drill bit body (1), wherein a cavity is formed in the drill bit body (1), and holes which are uniformly distributed are formed in the surface of the drill bit body (1).
6. The reaming cone bit for oil, mine and geological exploration drilling according to claim 2, characterized in that: the mounting seat (5) is internally provided with a cavity, and weighing blocks which are distributed at equal intervals are fixed in the cavity.
7. The reaming cone bit for oil, mine and geological exploration drilling according to claim 2, characterized in that: the vertical sections of the sliding block (10) and the sliding groove (9) are both T-shaped, and the width of the sliding groove (9) is twice of one point of the width of the sliding block (10).
8. The reaming cone bit for oil, mine and geological exploration drilling according to claim 1, characterized in that: the auxiliary sliding block (19) is of an arc-shaped structure, and a cavity is formed in the auxiliary sliding block (19).
9. The reaming cone bit for oil, mine and geological exploration drilling according to claim 2, characterized in that: a cavity is formed in the limiting plate (11), and reinforcing ribs are fixed in the cavity.
CN202010854410.8A 2020-08-24 2020-08-24 Reaming roller bit for petroleum, mine and geological exploration drilling Pending CN111946273A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010854410.8A CN111946273A (en) 2020-08-24 2020-08-24 Reaming roller bit for petroleum, mine and geological exploration drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010854410.8A CN111946273A (en) 2020-08-24 2020-08-24 Reaming roller bit for petroleum, mine and geological exploration drilling

Publications (1)

Publication Number Publication Date
CN111946273A true CN111946273A (en) 2020-11-17

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CN202010854410.8A Pending CN111946273A (en) 2020-08-24 2020-08-24 Reaming roller bit for petroleum, mine and geological exploration drilling

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113153176A (en) * 2021-03-18 2021-07-23 江苏和信石油机械有限公司 High-strength large-diameter drill rod
CN114607295A (en) * 2022-03-18 2022-06-10 陈中新 Energy resource surveying system

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Publication number Priority date Publication date Assignee Title
CN109079717A (en) * 2018-07-18 2018-12-25 钟祥博谦信息科技有限公司 A kind of office equipment maintenance hammer with shockproof function
CN208816040U (en) * 2018-08-16 2019-05-03 廖建 A kind of engineering drilling device being conveniently replaceable drill bit
CN209062208U (en) * 2018-10-29 2019-07-05 济南阿诺刀具有限公司 A kind of wear-resistance bit
CN209228321U (en) * 2018-11-26 2019-08-09 广西中煤地质有限责任公司 A kind of geological drilling drill stem conveying device
CN209523711U (en) * 2018-12-25 2019-10-22 湖北大好工具有限公司 A kind of dual-purpose type diamond core bit being easily installed
CN210254331U (en) * 2019-05-29 2020-04-07 无锡市强仔机械制造有限公司 Quick change device that rocking arm bore cutter was used
CN210264539U (en) * 2019-05-10 2020-04-07 泰州市宝锐石油设备制造有限公司 PDC drill bit composite sheet
CN210564393U (en) * 2019-06-05 2020-05-19 安顺富胜华机电设备制造有限公司 Multifunctional rotary jet grouting device for core drilling
CN210768603U (en) * 2019-11-08 2020-06-16 沧州坚实钻井设备科技有限公司 Wear-resistant roller cone palm piece convenient to maintain

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109079717A (en) * 2018-07-18 2018-12-25 钟祥博谦信息科技有限公司 A kind of office equipment maintenance hammer with shockproof function
CN208816040U (en) * 2018-08-16 2019-05-03 廖建 A kind of engineering drilling device being conveniently replaceable drill bit
CN209062208U (en) * 2018-10-29 2019-07-05 济南阿诺刀具有限公司 A kind of wear-resistance bit
CN209228321U (en) * 2018-11-26 2019-08-09 广西中煤地质有限责任公司 A kind of geological drilling drill stem conveying device
CN209523711U (en) * 2018-12-25 2019-10-22 湖北大好工具有限公司 A kind of dual-purpose type diamond core bit being easily installed
CN210264539U (en) * 2019-05-10 2020-04-07 泰州市宝锐石油设备制造有限公司 PDC drill bit composite sheet
CN210254331U (en) * 2019-05-29 2020-04-07 无锡市强仔机械制造有限公司 Quick change device that rocking arm bore cutter was used
CN210564393U (en) * 2019-06-05 2020-05-19 安顺富胜华机电设备制造有限公司 Multifunctional rotary jet grouting device for core drilling
CN210768603U (en) * 2019-11-08 2020-06-16 沧州坚实钻井设备科技有限公司 Wear-resistant roller cone palm piece convenient to maintain

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113153176A (en) * 2021-03-18 2021-07-23 江苏和信石油机械有限公司 High-strength large-diameter drill rod
CN113153176B (en) * 2021-03-18 2022-02-01 江苏和信石油机械有限公司 High-strength large-diameter drill rod
CN114607295A (en) * 2022-03-18 2022-06-10 陈中新 Energy resource surveying system

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Application publication date: 20201117

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