CN113585976A - Reaming device and multifunctional drilling equipment for drilling and reaming - Google Patents

Reaming device and multifunctional drilling equipment for drilling and reaming Download PDF

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Publication number
CN113585976A
CN113585976A CN202110824354.8A CN202110824354A CN113585976A CN 113585976 A CN113585976 A CN 113585976A CN 202110824354 A CN202110824354 A CN 202110824354A CN 113585976 A CN113585976 A CN 113585976A
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China
Prior art keywords
reaming
groove
placing groove
sliding
wall
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CN202110824354.8A
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Chinese (zh)
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CN113585976B (en
Inventor
杜明礼
陈洁
吴雪娇
刘福伟
陈珂晖
王子楷
张�杰
钟鼎
陈攀
马标
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Jiangsu Zhonghui Geotechnical Engineering Co ltd
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Jiangsu Zhonghui Geotechnical Engineering Co ltd
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Priority to CN202110824354.8A priority Critical patent/CN113585976B/en
Publication of CN113585976A publication Critical patent/CN113585976A/en
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Publication of CN113585976B publication Critical patent/CN113585976B/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/28Enlarging drilled holes, e.g. by counterboring
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/26Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/26Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E21B10/322Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools cutter shifted by fluid pressure

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses a reaming device and a multifunctional hole forming device for drilling and reaming, which relate to the technical field of reaming devices, have the advantage of adjusting the diameter of a reaming hole, and have the technical scheme key points that: including the drilling rod and set up the standing groove of drilling rod bottom, the one end that the relative both sides of drilling rod outer wall are close to the standing groove all is equipped with the spout with the standing groove intercommunication, and equal horizontal slip is connected with the reaming board that one end extends to the other end and the drilling rod outer wall flushes in the standing groove in the spout, is equipped with the impeller that promotes two reaming boards along spout horizontal migration in the standing groove, and the drilling rod bottom is equipped with the drill bit through the installed part, and the notch of drill bit closed standing groove.

Description

Reaming device and multifunctional drilling equipment for drilling and reaming
Technical Field
The invention relates to the technical field of hole expanding device processing, in particular to a hole expanding device and multifunctional hole forming equipment for drilling and expanding.
Background
At present, in underground engineering, because the upper buoyancy of underground water needs to be provided with a tensile device underground for fixing a basement to prevent the basement from floating upwards, a hole needs to be formed underground, the diameter of the lowermost end of the hole is larger than that of the upper part of the hole, and the diameter of a hole cannot be adjusted when the existing hole expanding device expands the hole, the invention provides a solution.
Disclosure of Invention
Aiming at the technical defects, the invention aims to provide a reaming device and a drilling and reaming multifunctional hole forming device, which have the advantage of adjusting the reaming diameter.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a reaming device which comprises a drill rod and a placing groove arranged at the bottom end of the drill rod, wherein sliding grooves communicated with the placing groove are respectively formed in two opposite sides of the outer wall of the drill rod, which are close to the placing groove, one ends of the two opposite sides of the outer wall of the drill rod are respectively connected with a reaming plate, one ends of the reaming plates extend into the placing groove, the other ends of the reaming plates are flush with the outer wall of the drill rod, a pushing piece for pushing the two reaming plates to horizontally move along the sliding grooves is arranged in the placing groove, a drill bit is arranged at the bottom end of the drill rod through an installation piece, and the drill bit closes a notch of the placing groove.
Through adopting above-mentioned technical scheme, when using, only need install the drill bit in the drilling rod bottom through the installed part, can drill, the notch of standing groove then can be sealed to the drill bit this moment, it takes place to reduce the phenomenon that mud gets into in the standing groove through the standing groove notch, when needs carry out the reaming to the drilling lower extreme, only need pass through the impeller, promote two orifice plates along spout horizontal migration, the one end that orifice plate and drilling rod outer wall flush this moment then can remove outside the spout, and follow the drilling rod and rotate, can carry out the reaming to the drilling lower extreme this moment, can control the distance that orifice plate one end removed outside the spout through controlling the impeller, thereby adjust the reaming diameter, convenience simple to use.
Preferentially, the pushing part comprises a push rod which is vertically connected in the placing groove in a sliding manner, two opposite surfaces of the push rod are inclined surfaces, sliding grooves are formed in the inclined surfaces along the length direction of the inclined surfaces, sliding blocks which are fixedly connected with the reaming plates and extend to one side of the placing groove are connected in the sliding grooves in a sliding manner, one side of each reaming plate extending to the placing groove is uniformly in contact with the two inclined surfaces, and a driving part which drives the push rod to vertically move in the placing groove is arranged in the placing groove.
Preferentially, two all be equipped with a plurality ofly between the lateral wall that slider and sliding tray contradict and contradict first ball with the sliding tray cell wall, two the one side of expanding plate and inclined plane contact all is equipped with the second ball of contradicting with the inclined plane.
Preferentially, the driving part comprises an air cylinder arranged at the bottom of the placing groove, and one end of a piston rod of the air cylinder is fixedly connected with the push rod.
Preferentially, the driving piece is including seting up the screw hole on push rod top, and screw hole internal thread connection has the screw rod, standing groove tank bottom fixedly connected with motor, and the axis of rotation one end and the screw rod fixed connection of motor.
Preferably, when the pushing part pushes one ends of the two reaming plates to move horizontally, one side of the two reaming plates, which is flush with the outer wall of the drill rod, can move out of the sliding groove, and at the moment, scrapers which are in contact with the periphery of the outer wall of the reaming plate are arranged at one end, close to the sliding groove, of the outer wall of the drill rod along the circumferential direction of the sliding groove.
Preferentially, a plurality of scrapers for reaming are distributed on one side of the two reaming plates moving out of the sliding groove.
Preferentially, the installed part is including setting up the cover bucket that is close to drilling rod one end at the drill bit and setting up the first fixed block of semicircle ring shape in the cover bucket, the drilling rod bottom is located the cover bucket and is equipped with semicircle ring shape second fixed block, first fixed block is located one side of second fixed block, and first fixed block and second fixed block form whole ring, the recess that runs through the drilling rod is seted up to cover bucket outer wall level, and recess female connection has first bolt.
Preferentially, the relative both sides of the set bucket outer wall all are equipped with the communicating embedded groove of recess, first bolt includes second bolt, third bolt, and the equal threaded connection of one end of second bolt, third bolt is equallyd divide the other end in the recess and do not lie in two embedded grooves and contradict in the tank bottom of embedded groove, barrel head fixedly connected with in the set bucket through the vertical picture peg that inserts in the standing groove of standing groove notch and with the contact of standing groove cell wall, and the picture peg lies in the center that first fixed block and second fixed block formed whole ring, the recess runs through the picture peg.
The invention also provides a multifunctional hole forming device for drilling and reaming, which comprises the reaming device.
The invention has the beneficial effects that: when using, only need install the drill bit in the drilling rod bottom through the installed part, can drill, the notch of standing groove then can be sealed to the drill bit this moment, it takes place to reduce the phenomenon that mud gets into in the standing groove through the standing groove notch, when needs are reamed the drilling lower extreme, only need through the impeller, promote two orifice plates along spout horizontal migration, the one end that orifice plate and drilling rod outer wall flush this moment then can remove outside the spout, and follow the drilling rod and rotate, can carry out the reaming to the drilling lower extreme this moment, can control the distance that orifice plate one end removed outside the spout through the control impeller, thereby adjust the reaming diameter, high durability and convenient use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the first embodiment;
fig. 2 is a schematic structural diagram of a push rod according to the first embodiment;
FIG. 3 is an enlarged view of the structure of the part A in FIG. 2;
fig. 4 is a schematic structural diagram for embodying the cylinder in the first embodiment;
fig. 5 is a schematic structural view for embodying the second ball of the first embodiment;
fig. 6 is a schematic structural diagram for embodying the second fixing block in the first embodiment.
Description of reference numerals:
in the figure: 1. a drill stem; 2. a placement groove; 3. a chute; 4. expanding the hole plate; 5. a drill bit; 6. a push rod; 7. a bevel; 8. a sliding groove; 9. a slider; 10. a first ball bearing; 12. a second ball bearing; 13. a cylinder; 14. a threaded hole; 15. a screw; 16. a motor; 17. a squeegee; 18. a scraper; 19. sleeving a barrel; 20. a first fixed block; 21. a second fixed block; 22. a groove; 23. a first bolt; 24. inserting plates; 221. a groove is embedded; 231. a second bolt; 232. and a third bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: the utility model provides a reaming device, as fig. 1 and fig. 2, including drilling rod 1 and the standing groove 2 that sets up 1 bottom of drilling rod, the one end that the relative both sides of drilling rod 1 outer wall are close to standing groove 2 all is equipped with the spout 3 with 2 intercommunications of standing groove, and equal horizontal sliding is connected with one end and extends to the reaming board 4 that the other end flushed with drilling rod 1 outer wall in the standing groove 2 in the spout 3, be equipped with the impeller that promotes two reaming boards 4 along 3 horizontal migration of spout in the standing groove 2, 1 bottom of drilling rod is equipped with drill bit 5 through the installed part, and drill bit 5 seals the notch of standing groove 2.
If fig. 1 and fig. 2, when using, only need to install drill bit 5 in drilling rod 1 bottom through the installed part, can drill, the notch of standing groove 2 then can be sealed to drill bit 5 this moment, it takes place to reduce the phenomenon that mud gets into in standing groove 2 through standing groove 2 notch, when needs carry out the reaming to the drilling lower extreme, only need pass through the impeller, promote two orifice plates 4 along 3 horizontal migration of spout, the one end that orifice plate 4 and drilling rod 1 outer wall flush this moment then can remove outside 3 spout, and follow drilling rod 1 and rotate, can ream the drilling lower extreme this moment, can control the distance that orifice plate 4 one end removed outside 3 spout through the control impeller, thereby adjust the reaming diameter, high durability and convenient use.
As shown in fig. 2, the pushing member comprises a push rod 6 vertically connected in the placing groove 2 in a sliding manner, two opposite surfaces of the push rod 6 are inclined surfaces 7, sliding grooves 8 are arranged on the inclined surfaces 7 along the length direction of the inclined surfaces 7, sliding blocks 9 fixedly connected with one sides of the reaming plates 4 extending into the placing groove 2 are connected in the two sliding grooves 8 in a sliding manner, one sides of the reaming plates 4 extending into the placing groove 2 are respectively contacted with the two inclined surfaces 7, a driving member for driving the push rod 6 to vertically move in the placing groove 2 is arranged in the placing groove 2, the arrangement is aimed at that when the two reaming plates 4 need to be pushed to horizontally move along the sliding grooves 3, the push rod 6 only needs to be driven to vertically move in the placing groove 2 by the driving member, at the moment, the two opposite surfaces of the push rod 6 are inclined surfaces 7, and the sliding blocks 9 fixedly connected with one sides of the reaming plates 4 extending into the placing groove 2 are connected in a sliding manner in the sliding grooves 8 on the inclined surfaces 7, therefore, when the driving push rod 6 vertically moves in the placing groove 2, the hole expansion plate 4 can be pushed to horizontally move along the sliding groove 3 through the matching of the inclined plane 7, the sliding groove 8 and the sliding block 9, and the use is simple and convenient.
As shown in fig. 2 and 3 and 5, a plurality of first balls 10 which are abutted against the wall of the sliding groove 8 are arranged between the side walls abutted against the sliding groove 8 and the two sliding blocks 9, and a second ball 12 which is abutted against the inclined surface 7 is arranged on one side of the two expanded hole plates 4 which are contacted with the inclined surface 7, so that the friction force of the sliding blocks 9 in the sliding groove 8 can be reduced through the first balls 10 and the second ball 12, the sliding blocks 9 can be conveniently moved in the sliding groove 8, and the expanded hole plates 4 can be conveniently pushed to horizontally move along the sliding grooves 3, and the use is simple and convenient.
As shown in fig. 4, the driving member includes a cylinder 13 disposed at the bottom of the placing groove 2, and one end of a piston rod of the cylinder 13 is fixedly connected to the push rod 6, so that when the push rod 6 needs to be driven to move vertically in the placing groove 2, the cylinder 13 only needs to be controlled, and at this time, one end of the piston rod of the cylinder 13 can drive the push rod 6 to move vertically in the placing groove 2, which is simple and convenient to use.
As shown in fig. 2, or the driving piece includes the screw hole 14 opened at the top end of the push rod 6, and the screw hole 14 is internally threaded with the screw rod 15, the bottom of the placing groove 2 is fixedly connected with the motor 16, and one end of the rotating shaft of the motor 16 is fixedly connected with the screw rod 15, the purpose of the setting is to drive the push rod 6 to vertically move in the placing groove 2 when needed, only the motor 16 needs to be controlled, at this moment, one end of the rotating shaft of the motor 16 can drive the screw rod 15 to rotate, at this moment, the screw rod 15 is threaded in the screw hole 14, so when the screw rod 15 rotates, the push rod 6 can be driven to vertically move in the placing groove 2 through the matching of the screw rod 15 and the screw hole 14, and the use is simple and convenient.
If fig. 1, when promoting two 4 one ends horizontal migration of reaming board through the impeller, two reaming boards 4 then can remove outside spout 3 with one side that 1 outer wall of drilling rod flushed, the one end that 1 outer wall of drilling rod was close to spout 3 this moment all is equipped with the scraper blade 17 with 4 outer walls of reaming contact all around along spout 3's circumference, scraper blade 17 can not influence 5 work of drill bit, the aim at that this sets up can be when removing to spout 3 in after 4 reams of reaming board are accomplished through scraper blade 17, scrape out the earth or the mud that has glued all around of 4 outer walls of reaming board, it takes place to reduce earth or mud to follow the phenomenon that reaming board 4 got into in standing groove 2 through spout 3, and is simple and convenient to use.
As shown in fig. 1, a plurality of scrapers 18 for reaming are distributed on one side of each of the two reaming plates 4 moving to the outside of the sliding chute 3, and the purpose of the arrangement is to facilitate reaming of the reaming plates 4 by the scrapers 18, when the reaming plates 4 move into the sliding chute 3 after reaming is completed and one side of the reaming plates 4 is flush with the outer wall of the drill rod 1, each scraper 18 is located in a square space formed by the scrapers 17.
Referring to fig. 2 and 6, the mounting member includes a barrel 19 disposed at one end of the drill bit 5 close to the drill rod 1 and a semicircular annular first fixing block 20 disposed in the barrel 19, the bottom end of the drill rod 1 is disposed in the barrel 19 and provided with a semicircular annular second fixing block 21, the first fixing block 20 is disposed at one side of the second fixing block 21, the first fixing block 20 and the second fixing block 21 form a complete circular ring, a groove 22 penetrating through the drill rod 1 is horizontally formed in the outer wall of the barrel 19, and a first bolt 23 is screwed into the groove 22, so that the drill bit 5 can be mounted at the bottom end of the drill rod 1 by vertically inserting the bottom end of the drill rod 1 into the barrel 19 when the drill bit 5 is mounted at the bottom end of the drill rod 1, the first fixing block 20 is disposed at one side of the second fixing block 21 and forms a complete circular ring, and then the first bolt 23 is screwed into the groove 22, so that the drill bit 5 can be mounted at the bottom end of the drill rod 1, the complete circular ring formed by the first fixing block 20 and the second fixing block 21, the phenomenon that the first bolt 23 is stressed and is broken when the drill rod 1 drives the sleeve barrel 19 and the drill bit 5 to drill into the ground through the first bolt 23 and the groove 22 can be reduced, and the drill rod is simple and convenient to use.
As shown in fig. 2, the opposite two sides of the outer wall of the casing barrel 19 are provided with the embedded slots 221 communicated with the grooves 22, the first bolt 23 comprises a second bolt 231 and a third bolt 232, one end of the second bolt 231 and one end of the third bolt 232 are both screwed in the grooves 22, the other end of the second bolt 231 and the other end of the third bolt 232 are both positioned in the two embedded slots 221 and abut against the bottom of the embedded slots 221, the bottom of the inner barrel of the casing barrel 19 is fixedly connected with the insert plate 24 vertically inserted into the placing slot 2 through the slot opening of the placing slot 2 and contacting with the slot wall of the placing slot 2, the insert plate 24 is positioned at the center of the whole circular ring formed by the first fixing block 20 and the second fixing block 21, the groove 22 penetrates through the insert plate 24, the placing slot 2 is a square slot, the arrangement is aimed at that when the drill bit 1 is driven by the first bolt 23 and the grooves 22 formed by the second bolt 231 and the third bolt 232 to drill the casing barrel 19 and 5 to drill into the ground, the first bolt 23 is stressed to be broken, one end of the second bolt 231 and one end of the third bolt 232 are located in the embedded groove 221, the drill bit 5 and the drill rod 1 cannot be influenced to drill into the ground, and the drilling tool is simple and convenient to use.
Example two: a multifunctional telescopic high-pressure rotary jet drilling machine comprises the first embodiment.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. The reaming device is characterized by comprising a drill rod (1) and a placing groove (2) arranged at the bottom end of the drill rod (1), wherein one ends, close to the placing groove (2), of the two opposite sides of the outer wall of the drill rod (1) are respectively provided with a sliding groove (3) communicated with the placing groove (2), the sliding grooves (3) are connected with an expansion hole plate (4) with one end extending to the placing groove (2) and the other end being flush with the outer wall of the drill rod (1) in a horizontal sliding mode, a pushing piece for pushing the two expansion hole plates (4) to horizontally move along the sliding grooves (3) is arranged in the placing groove (2), a drill bit (5) is arranged at the bottom end of the drill rod (1) through a mounting piece, and the drill bit (5) seals a notch of the placing groove (2).
2. The reaming device according to claim 1, wherein the pushing member comprises a pushing rod (6) vertically connected in the placing groove (2) in a sliding manner, two opposite surfaces of the pushing rod (6) are inclined surfaces (7), sliding grooves (8) are arranged on the inclined surfaces (7) along the length direction of the inclined surfaces (7), sliding blocks (9) fixedly connected with one sides of the reaming plates (4) extending into the placing groove (2) are connected in the two sliding grooves (8) in a sliding manner, one sides of the reaming plates (4) extending into the placing groove (2) are respectively in contact with the two inclined surfaces (7), and a driving member for driving the pushing rod (6) to vertically move in the placing groove (2) is arranged in the placing groove (2).
3. A reaming device according to claim 2, characterized in that between the side walls of the two sliding blocks (9) abutting against the sliding groove (8) are provided a plurality of first balls (10) abutting against the wall of the sliding groove (8), and that the side of the two reaming plates (4) abutting against the inclined surface (7) is provided with a second ball (12) abutting against the inclined surface (7).
4. A reaming device according to claim 2, characterized in that the driving member comprises a cylinder (13) arranged at the bottom of the placement groove (2), and one end of the piston rod of the cylinder (13) is fixedly connected with the push rod (6).
5. A reaming device according to claim 2, characterized in that the driving member comprises a threaded hole (14) provided at the top end of the push rod (6), a screw (15) is connected to the threaded hole (14) in a threaded manner, a motor (16) is fixedly connected to the bottom of the placing groove (2), and one end of the rotating shaft of the motor (16) is fixedly connected to the screw (15).
6. A reaming device according to claim 1, characterized in that when one end of each of the two reaming plates (4) is pushed by the pushing element to move horizontally, the side of each of the two reaming plates (4) flush with the outer wall of the drill rod (1) moves out of the sliding groove (3), and at this time, the end of the outer wall of the drill rod (1) close to the sliding groove (3) is provided with scrapers (17) contacting with the periphery of the outer wall of the reaming plate (4) along the circumferential direction of the sliding groove (3).
7. A reaming device according to claim 6, characterized in that the side of the two reaming plates (4) that moves out of the chute (3) is distributed with a plurality of scrapers (18) for reaming.
8. The reaming device according to claim 1, wherein the mounting member comprises a sleeve barrel (19) arranged at one end of the drill bit (5) close to the drill rod (1) and a semicircular annular first fixing block (20) arranged in the sleeve barrel (19), the bottom end of the drill rod (1) is arranged in the sleeve barrel (19) and is provided with a semicircular annular second fixing block (21), the first fixing block (20) is arranged at one side of the second fixing block (21), the first fixing block (20) and the second fixing block (21) form a complete circular ring, a groove (22) penetrating through the drill rod (1) is horizontally formed in the outer wall of the sleeve barrel (19), and a first bolt (23) is connected to the groove (22) in a threaded manner.
9. The reaming device according to claim 8, wherein the opposite sides of the outer wall of the sleeve (19) are provided with embedded grooves (221) communicated with the grooves (22), the first bolt (23) comprises a second bolt (231) and a third bolt (232), one end of each of the second bolt (231) and the third bolt (232) is in threaded connection with the corresponding groove (22), the other end of each of the second bolt and the third bolt is in contact with the groove bottom of the corresponding embedded groove (221), the inner bottom of the sleeve (19) is fixedly connected with an insert plate (24) which is vertically inserted into the corresponding placing groove (2) through the notch of the placing groove (2) and is in contact with the groove wall of the placing groove (2), the insert plate (24) is positioned at the center of a full circular ring formed by the first fixing block (20) and the second fixing block (21), and the grooves (22) penetrate through the insert plate (24).
10. A multi-functional hole-forming apparatus for drilling and reaming a hole, comprising a reaming means according to any one of claims 1-9.
CN202110824354.8A 2021-07-21 2021-07-21 Reaming device and multifunctional drilling and reaming hole forming equipment Active CN113585976B (en)

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CN113585976B CN113585976B (en) 2024-05-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114151014A (en) * 2021-11-30 2022-03-08 武穴市明锐机械股份有限公司 Full-automatic easy-to-draw-in type pipe-following reaming drill bit

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CN102650193A (en) * 2012-05-17 2012-08-29 苏州市能工基础工程有限责任公司 Combined drill
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CN203769658U (en) * 2014-04-04 2014-08-13 中铁西北科学研究院有限公司 Slope tooth-shaped anchor cable chambering bit
CN107083923A (en) * 2017-06-20 2017-08-22 西南石油大学 Controllable diameter changeable borehole-enlarging drilling tool
CN211692322U (en) * 2019-11-26 2020-10-16 中铁第四勘察设计院集团有限公司 Bottom expanding drill bit
CN211950339U (en) * 2020-02-16 2020-11-17 武汉金瑞威基础工程有限公司 Drilling tool for expanding head of anti-floating anchor rod
CN113107364A (en) * 2021-03-30 2021-07-13 中煤科工集团西安研究院有限公司 Integrated drilling tool for directional drilling and reaming underground coal mine and directional drilling reaming-while-drilling method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2301530Y (en) * 1997-08-06 1998-12-23 地质矿产部勘探技术研究所 Anchor rod base-enlarging drill bit
CN102650193A (en) * 2012-05-17 2012-08-29 苏州市能工基础工程有限责任公司 Combined drill
CN202970476U (en) * 2012-11-23 2013-06-05 安徽省地质矿产勘查局327地质队 Hydraulic pressure alarm serial-connecting type drilling reamer for geology core misering
CN203769658U (en) * 2014-04-04 2014-08-13 中铁西北科学研究院有限公司 Slope tooth-shaped anchor cable chambering bit
CN107083923A (en) * 2017-06-20 2017-08-22 西南石油大学 Controllable diameter changeable borehole-enlarging drilling tool
CN211692322U (en) * 2019-11-26 2020-10-16 中铁第四勘察设计院集团有限公司 Bottom expanding drill bit
CN211950339U (en) * 2020-02-16 2020-11-17 武汉金瑞威基础工程有限公司 Drilling tool for expanding head of anti-floating anchor rod
CN113107364A (en) * 2021-03-30 2021-07-13 中煤科工集团西安研究院有限公司 Integrated drilling tool for directional drilling and reaming underground coal mine and directional drilling reaming-while-drilling method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114151014A (en) * 2021-11-30 2022-03-08 武穴市明锐机械股份有限公司 Full-automatic easy-to-draw-in type pipe-following reaming drill bit

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