CN111706270A - Special drilling rod for preventing rock burst - Google Patents
Special drilling rod for preventing rock burst Download PDFInfo
- Publication number
- CN111706270A CN111706270A CN202010633452.9A CN202010633452A CN111706270A CN 111706270 A CN111706270 A CN 111706270A CN 202010633452 A CN202010633452 A CN 202010633452A CN 111706270 A CN111706270 A CN 111706270A
- Authority
- CN
- China
- Prior art keywords
- butt joint
- joint pipe
- connecting shaft
- spring
- groove
- 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
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 22
- 239000011435 rock Substances 0.000 title claims description 19
- 210000001503 joint Anatomy 0.000 claims abstract description 84
- 230000035939 shock Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/22—Rods or pipes with helical structure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/08—Casing joints
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a special drill rod for preventing impact ground pressure, which comprises a rod body, a butt joint pipe and a limiting block, wherein a spiral shovel is arranged on the surface of the outer side of the rod body, a connecting shaft is arranged at one end of the rod body, a long hole is formed in the connecting shaft, a spring is connected to the outer side of the connecting shaft, the butt joint pipe is arranged on the outer portion, close to one side of the spring, of the connecting shaft, a guide strip is arranged on the inner wall of the butt joint pipe, the guide strip is in butt joint with a sliding groove in the surface of the outer side of the connecting shaft, a butt joint hole is formed in the inner wall of. This special drilling rod of protecting against shock ground pressure, the spiral shovel in the body of rod outside creeps into at the assigned position, creeps into the impact shock that the in-process produced for the connecting axle slides through slot hole and stopper, and carries out the shock attenuation buffering through the connecting axle and the spring between the butt joint pipe, thereby conveniently to this special drilling rod of protecting against shock of the in-process that uses ground pressure.
Description
Technical Field
The invention relates to the technical field of drilling equipment, in particular to a special drill rod for preventing rock burst.
Background
The earth pressure special drill rod is used for connecting surface equipment of a drilling machine and drilling and grinding equipment or a bottom hole device at the bottom end of a drilling well. The purpose of the drill pipe is to carry drilling mud to the drill bit and, together with the drill bit, raise, lower or rotate the bottom hole assembly. The drilling bit that creeps into easily drives the drilling rod and shakes and assaults, causes the harm easily to connecting rig earth's surface equipment like this, for this reason, we hope to improve the availability factor of the special drilling rod of earth's pressure through the innovation to the special drilling rod of earth's pressure, the drilling rod butt joint of being convenient for, effectively prevent to produce the impact when using, make it exert the biggest value, along with the development of science and technology, the special drilling rod of protecting against the earth's pressure has had the development of very big degree, its development has brought very big facility when carrying out drilling mud to geological drilling, its kind and quantity are increasing day by day.
Although the types and the number of the special drill rods for preventing rock burst on the market are very large, the special drill rods for preventing rock burst have the following defects: the special drill rod for earth pressure and the corresponding drill bit are inconvenient to directionally connect, the special drill rod for earth pressure and the corresponding drill bit are inconvenient to lock and fix, and the special drill rod for earth pressure is easy to impact and shake when in use. Therefore, the existing special drill rod for preventing rock burst is improved.
Disclosure of Invention
The invention aims to provide a special drill rod for preventing rock burst, which aims to solve the problems that the special drill rod for preventing rock burst and a corresponding drill bit in the current market are inconvenient to directionally connect, the special drill rod for preventing rock burst and the corresponding drill bit are inconvenient to lock and fix, and the special drill rod for preventing rock burst is easy to impact and shake when being used.
In order to achieve the purpose, the invention provides the following technical scheme: the drill rod special for preventing rock burst comprises a rod body, a butt joint pipe and a limiting block, wherein a spiral shovel is arranged on the surface of the outer side of the rod body, a connecting shaft is arranged at one end of the rod body, wherein,
the connecting shaft is internally provided with a long hole, the outer side of the connecting shaft is connected with a spring, the butt joint pipe is arranged outside one side of the connecting shaft close to the spring, the inner wall of the butt joint pipe is provided with a guide strip, the guide strip is in butt joint with a sliding groove in the surface of the outer side of the connecting shaft, and two ends of the spring are respectively connected with the connecting shaft and a clamping groove in one side of the butt joint pipe;
the connecting groove has been seted up in the outside of butt joint pipe, butt joint hole has been seted up to butt joint pipe's inner wall department, the both ends and the butt joint hole through connection of stopper, the butt joint pipe is connected with the sleeve pipe through the connecting groove, the sleeve pipe is fixed with butt joint pipe through locking bolt.
Preferably, the diameter of the inner side of the butt joint pipe is matched with the diameter of the outer side of the connecting shaft, and the butt joint pipe forms a telescopic structure through the spring and the rod body.
Preferably, the guide bars are symmetrically distributed in parallel relative to the axial lead of the butt joint pipe, and the guide bars and the sliding grooves form sliding connection.
Preferably, the cross-sectional shape of draw-in groove is circular-arc, and the diameter of draw-in groove and the outside diameter phase-match of spring to be the block connection between draw-in groove and the spring.
Preferably, the cross section of the limiting block is in an annular runway-shaped structure, the thickness of the limiting block is matched with the distance between the inner side surfaces of the long holes, the axial line of the limiting block is perpendicular to the axial line of the butt joint pipe, and the cross section of the limiting block is matched with that of the butt joint hole.
Preferably, the thickness of the sleeve is the same as that of the connecting groove, and the sleeve is in sleeved connection with the butt joint pipe through the connecting groove.
Compared with the prior art, the invention has the beneficial effects that:
(1) the drill rod special for preventing the impact ground pressure is characterized in that the butt joint pipe is in butt joint with the sliding grooves on two sides of the connecting shaft through the guide strips which are symmetrically distributed on the inner side, and the other end of the pressing spring is clamped with the clamping groove on one side of the butt joint pipe, so that a matched connecting assembly of the drill rod and a rod body can be conveniently in directional butt joint;
(2) according to the special drill rod for preventing the impact ground pressure, the limiting block is inserted into the butt joint hole to butt joint the rod body and the butt joint pipe for installation, the sliding sleeve blocks two ends of the limiting block, and the locking bolt penetrates through the sleeve and the butt joint pipe for fixing, so that the matched connecting assembly and the rod body of the drill rod can be conveniently and fixedly locked;
(3) this special drilling rod of protecting against shock ground pressure, the spiral shovel in the body of rod outside creeps into in the assigned position, creeps into the impact shock that the in-process produced for the connecting axle slides through slot hole and stopper, and carries out the shock attenuation buffering through the connecting axle and the spring between the butt joint pipe, thereby conveniently to this special drilling rod of protecting against shock of ground pressure at the in-process that uses.
Drawings
FIG. 1 is a schematic structural view of a special drill rod for protecting against rock burst according to the present invention;
FIG. 2 is a schematic structural view of a main section of the special drill rod for preventing rock burst according to the present invention;
fig. 3 is a partially enlarged structural schematic view of a part a in fig. 2 of the special drill rod for preventing rock burst of the invention.
In the figure: 1. a rod body; 2. a spiral shovel; 3. a connecting shaft; 4. a long hole; 5. a spring; 6. butt-joint pipes; 7. a guide strip; 8. a chute; 9. a card slot; 10. connecting grooves; 11. a butt joint hole; 12. a limiting block; 13. a sleeve; 14. and locking the 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.
Referring to fig. 1-3, the present invention provides a technical solution: the special drill rod for preventing impact ground pressure comprises a rod body 1, a spiral shovel 2, a connecting shaft 3, a long hole 4, a spring 5, a butt joint pipe 6, a guide strip 7, a sliding groove 8, a clamping groove 9, a connecting groove 10, a butt joint hole 11, a limiting block 12, a sleeve 13 and a locking bolt 14, wherein the spiral shovel 2 is arranged on the surface of the outer side of the rod body 1, the connecting shaft 3 is arranged at one end of the rod body 1,
the connecting shaft is characterized in that a long hole 4 is formed in the connecting shaft 3, the outer side of the connecting shaft 3 is connected with a spring 5, a butt joint pipe 6 is arranged outside one side, close to the spring 5, of the connecting shaft 3, the diameter of the inner side of the butt joint pipe 6 is matched with the diameter of the outer side of the connecting shaft 3, the butt joint pipe 6 forms a telescopic structure between the spring 5 and the rod body 1, the telescopic structure formed between the spring 5 and the rod body 1 is utilized to enable the rod body 1 to be subjected to shock absorption and buffering through the spring 5 when the rod body is vibrated, a guide strip 7 is arranged on the inner wall of the butt joint pipe 6, the guide strip 7 is symmetrically distributed in parallel with the axial lead of the butt joint pipe 6, a sliding connection is formed between the guide strip 7 and a sliding groove 8, the sliding connection is formed between the guide strip 7 and the sliding groove 8, the connecting shaft 3 and the butt joint pipe 6 are subjected to, the two ends of the spring 5 are respectively connected with the connecting shaft 3 and a clamping groove 9 on one side of the butt joint pipe 6, the section of the clamping groove 9 is arc-shaped, the diameter of the clamping groove 9 is matched with the diameter of the outer side of the spring 5, the clamping groove 9 is connected with the spring 5 in a clamping manner, and the clamping groove 9 is connected with the spring 5 in a clamping manner, so that the spring 5 is stably connected on the connecting shaft 3;
the connecting groove 10 is provided on the outer side of the butt joint pipe 6, the butt joint hole 11 is provided on the inner wall of the butt joint pipe 6, the two ends of the limiting block 12 are connected with the butt joint hole 11 in a penetrating way, the cross section of the limiting block 12 is in an annular runway-shaped structure, the thickness of the limiting block 12 is matched with the distance between the inner side surfaces of the long holes 4, the axial lead of the limiting block 12 is perpendicular to the axial lead of the butt joint pipe 6, the cross section of the limiting block 12 is matched with the cross section of the butt joint hole 11, so that the connecting shaft 3 is stably butted with the butt joint pipe 6, the butt joint pipe 6 is connected with the sleeve 13 through the connecting groove 10, the thickness of the sleeve 13 is the same as the thickness of the connecting groove 10, and the sleeve 13 is in a sleeved connection with the butt joint pipe, the sleeve 13 is enabled to lock and limit the limiting block 12 at one side of the butt joint hole 11, the limiting block 12 is prevented from falling off, and the sleeve 13 is fixed with the butt joint pipe 6 through the locking bolt 14.
The working principle is as follows: when the special drill rod for preventing impact ground pressure is used, firstly, the spring 5 is sleeved outside the connecting shaft 3 at one end of the rod body 1, one end of the spring 5 is extruded to be in butt joint with the clamping groove 9 at the edge of the connecting shaft 3, then the butt joint pipe 6 is in butt joint with the sliding grooves 8 at two sides of the connecting shaft 3 through the guide strips 7 which are symmetrically distributed at the inner sides, the other end of the spring 5 is pressed to be in clamping joint with the clamping groove 9 at one side of the butt joint pipe 6, so that the rod body 1 and the butt joint pipe 6 of the drill rod are directionally connected, the sleeve 13 is pulled in the connecting groove 10 at the outer side of the butt joint pipe 6, the butt joint hole 11 on the surface of the butt joint pipe 6 is exposed, the limit block 12 is inserted into the butt joint hole 11 to be in butt joint with the rod body 1 and the butt joint pipe 6, then, the sliding sleeve 13 blocks two ends of the limit block, when the special drill rod is used for drilling, the butt joint pipe 6 is connected with corresponding rotating equipment, the spiral shovel 2 outside the rod body 1 is driven to drill at a specified position, impact shock generated in the drilling process enables the connecting shaft 3 to slide through the long hole 4 and the limiting block 12, and the spring 5 between the connecting shaft 3 and the butt joint pipe 6 is used for damping and buffering, so that the drill rod is prevented from being impacted in the using process, and the content which is not described in detail in the description belongs to the prior art which is known to a person skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
In summary, the embodiments of the present invention are merely exemplary and should not be construed as limiting the scope of the invention. All equivalent changes and modifications made according to the content of the claims of the present invention should fall within the technical scope of the present invention.
Claims (6)
1. Special drilling rod of protecting against shock ground pressure, including the body of rod (1), butt joint pipe (6) and stopper (12), its characterized in that: the outer side surface of the rod body (1) is provided with a spiral shovel (2), one end of the rod body (1) is provided with a connecting shaft (3), wherein,
a long hole (4) is formed in the connecting shaft (3), a spring (5) is connected to the outer side of the connecting shaft (3), the butt joint pipe (6) is arranged on the outer portion of one side, close to the spring (5), of the connecting shaft (3), a guide strip (7) is arranged on the inner wall of the butt joint pipe (6), the guide strip (7) is in butt joint with a sliding groove (8) in the surface of the outer side of the connecting shaft (3), and two ends of the spring (5) are respectively connected with the connecting shaft (3) and a clamping groove (9) in one side of the butt joint pipe (6);
connecting groove (10) have been seted up in the outside of butt joint pipe (6), butt joint hole (11) have been seted up to the inner wall department of butt joint pipe (6), the both ends and butt joint hole (11) through connection of stopper (12), butt joint pipe (6) are connected with sleeve pipe (13) through connecting groove (10), sleeve pipe (13) are fixed through locking bolt (14) and butt joint pipe (6).
2. The drill rod special for preventing rock burst according to claim 1, wherein: the diameter of the inner side of the butt joint pipe (6) is matched with the diameter of the outer side of the connecting shaft (3), and the butt joint pipe (6) forms a telescopic structure through the spring (5) and the rod body (1).
3. The drill rod special for preventing rock burst according to claim 1, wherein: the guide strips (7) are symmetrically distributed in parallel relative to the axial lead of the butt joint pipe (6), and the guide strips (7) and the sliding grooves (8) form sliding connection.
4. The drill rod special for preventing rock burst according to claim 1, wherein: the cross-sectional shape of draw-in groove (9) is circular-arc, and the outside diameter phase-match of the diameter of draw-in groove (9) and spring (5) to be the block connection between draw-in groove (9) and spring (5).
5. The drill rod special for preventing rock burst according to claim 1, wherein: the cross section of the limiting block (12) is of an annular runway-shaped structure, the thickness of the limiting block (12) is matched with the distance between the inner side surfaces of the long holes (4), the axial line of the limiting block (12) is perpendicular to the axial line of the butt joint pipe (6), and the cross section of the limiting block (12) is matched with the cross section of the butt joint hole (11).
6. The drill rod special for preventing rock burst according to claim 1, wherein: the thickness of sleeve pipe (13) is the same with the thickness of spread groove (10), and sleeve pipe (13) are the bell and spigot joint through spread groove (10) and between butt joint pipe (6).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010633452.9A CN111706270A (en) | 2020-07-04 | 2020-07-04 | Special drilling rod for preventing rock burst |
| PCT/CN2020/119109 WO2022007209A1 (en) | 2020-07-04 | 2020-09-29 | Shockproof drill rod specially for ground pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010633452.9A CN111706270A (en) | 2020-07-04 | 2020-07-04 | Special drilling rod for preventing rock burst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111706270A true CN111706270A (en) | 2020-09-25 |
Family
ID=72545410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010633452.9A Pending CN111706270A (en) | 2020-07-04 | 2020-07-04 | Special drilling rod for preventing rock burst |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111706270A (en) |
| WO (1) | WO2022007209A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022007209A1 (en) * | 2020-07-04 | 2022-01-13 | 邹城兖矿泰德工贸有限公司 | Shockproof drill rod specially for ground pressure |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5263899A (en) * | 1990-06-12 | 1993-11-23 | Hitachi Construction Machinery Co., Ltd. | Cylindrical telescopic kelly-bar apparatus |
| JP3242339B2 (en) * | 1996-12-06 | 2001-12-25 | 敏雄 向井 | Connection device for earth removal members for excavators |
| CN101906940B (en) * | 2010-07-20 | 2012-08-15 | 许岩 | Impacting head assembly for ground drills |
| CN101975033B (en) * | 2010-09-29 | 2012-09-19 | 北京市三一重机有限公司 | Damping device |
| CN206503559U (en) * | 2017-03-06 | 2017-09-19 | 訾慧敏 | A kind of drill bit used for geological prospecting |
| CN206830064U (en) * | 2017-05-22 | 2018-01-02 | 三一重工股份有限公司 | Drilling machine drilling rod core bar, drilling machine drilling rod and rotary drilling rig |
| CN208803822U (en) * | 2018-07-19 | 2019-04-30 | 天津市易莱特机械工具有限公司 | A kind of vibration damping drilling rod |
| CN108952597B (en) * | 2018-07-24 | 2020-12-04 | 邹城兖矿泰德工贸有限公司 | Special anti-impact drill rod |
| CN111706270A (en) * | 2020-07-04 | 2020-09-25 | 邹城兖矿泰德工贸有限公司 | Special drilling rod for preventing rock burst |
-
2020
- 2020-07-04 CN CN202010633452.9A patent/CN111706270A/en active Pending
- 2020-09-29 WO PCT/CN2020/119109 patent/WO2022007209A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022007209A1 (en) * | 2020-07-04 | 2022-01-13 | 邹城兖矿泰德工贸有限公司 | Shockproof drill rod specially for ground pressure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022007209A1 (en) | 2022-01-13 |
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