CN111706270B - Drill rod special for preventing rock burst - Google Patents
Drill rod special for preventing rock burst Download PDFInfo
- Publication number
- CN111706270B CN111706270B CN202010633452.9A CN202010633452A CN111706270B CN 111706270 B CN111706270 B CN 111706270B CN 202010633452 A CN202010633452 A CN 202010633452A CN 111706270 B CN111706270 B CN 111706270B
- Authority
- CN
- China
- Prior art keywords
- butt joint
- joint pipe
- connecting shaft
- spring
- limiting block
- 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.)
- Active
Links
- 239000011435 rock Substances 0.000 title description 3
- 210000001503 joint Anatomy 0.000 claims abstract description 81
- 238000005553 drilling Methods 0.000 claims abstract description 17
- 230000035939 shock Effects 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- 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 outer side surface of the rod body, one end of the rod body is provided with a connecting shaft, 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 outside one side, close to 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 on the outer side surface of the connecting shaft, a butt joint hole is formed in the inner wall of the butt joint pipe, and two ends of the limiting block are in penetrating connection with the butt joint hole. This special drilling rod of protection against shock ground pressure, the spiral shovel in the body of rod outside drills at the assigned position, and the impact vibrations that produces in the drilling process for the connecting axle slides through slot hole and stopper, and carries out shock attenuation buffering through the spring between connecting axle and the butt joint pipe, thereby conveniently to the special drilling rod of this ground pressure in-process protection against shock of using.
Description
Technical Field
The invention relates to the technical field of drilling equipment, in particular to a drill rod special for impact-resistant ground pressure.
Background
The special drill rod for the ground pressure 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 the drilling well. The purpose of the drill pipe is to carry drilling mud to the drill bit and to raise, lower or rotate the bottom hole assembly with the drill bit. The drill bit that drills drives the drilling rod easily and produces vibrations and assaults like this, causes the harm to connecting rig earth's surface equipment easily, and for this reason, we hoped to improve the availability factor of special drilling rod of ground pressure through the innovation to the special drilling rod of ground pressure, the drilling rod butt joint of being convenient for, produce the impact when effectively preventing to use, make it exert maximum value, along with technological development, the special drilling rod of anti-impact ground pressure has very big degree's development, its development has brought very big facility when carrying drilling mud to geological drilling for people, its kind and quantity are also increasing with increasing day by day.
The drill rods special for impact prevention and compaction in the current market have the following defects although the types and the number of the drill rods are very large: the special drill rod for the ground pressure and the corresponding drill bit are inconvenient to directionally connect, the special drill rod for the ground pressure and the corresponding drill bit are inconvenient to lock and fix, and the special drill rod for the ground pressure is easy to shock and vibrate when in use. Therefore, the prior drill rod special for preventing impact ground pressure needs to be improved.
Disclosure of Invention
The invention aims to provide a drill rod special for preventing impact ground pressure, which solves the problems that the drill rod special for the ground pressure and the corresponding drill bit in the current market proposed by the background art are inconvenient to directionally connect, the drill rod special for the ground pressure and the corresponding drill bit are inconvenient to lock and fix, and the drill rod special for the ground pressure is easy to be subjected to impact vibration when in use.
In order to achieve the above purpose, the present invention provides the following technical solutions: the drill rod special for preventing impact ground pressure comprises a rod body, a butt joint pipe and a limiting block, wherein a spiral shovel is arranged on the outer side surface of the rod body, a connecting shaft is arranged at one end of the rod body,
The inside of the connecting shaft is 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 on the outer side surface of the connecting shaft, and two ends of the spring are respectively connected with the connecting shaft and a clamping groove on one side of the butt joint pipe;
The connecting groove is formed in the outer side of the butt joint pipe, the butt joint hole is formed in the inner wall of the butt joint pipe, two ends of the limiting block are connected with the butt joint hole in a penetrating mode, the butt joint pipe is connected with the sleeve through the connecting groove, and the sleeve is fixed with the butt joint pipe through the 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 with the rod body through a spring.
Preferably, the guide strips are symmetrically and parallelly distributed about the axis of the butt joint pipe, and the guide strips and the sliding grooves are in sliding connection.
Preferably, the cross section of the clamping groove is arc-shaped, the diameter of the clamping groove is matched with the outer diameter of the spring, and the clamping groove is in clamping connection with the spring.
Preferably, the cross section of the limiting block is of an annular runway-shaped structure, the thickness of the limiting block is identical with the distance between the inner side surfaces of the long holes, the axial lead of the limiting block and the axial lead of the butt joint pipe are mutually perpendicular, and the cross section size of the limiting block is matched with the cross section size of the butt joint hole.
Preferably, the thickness of the sleeve is the same as that of the connecting groove, and the sleeve is connected with the butt joint pipe in a sleeved mode through the connecting groove.
Compared with the prior art, the invention has the beneficial effects that:
(1) The special drill rod 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 the matching connecting assembly and the rod body of the drill rod are convenient to carry out directional butt joint;
(2) The special drill rod for preventing the impact ground pressure is characterized in that the limiting block is inserted into the butt joint hole to butt-joint the rod body and the butt joint pipe, the two ends of the limiting block are blocked by the sliding sleeve, and the locking bolt penetrates through the sleeve and the butt joint pipe to be fixed, so that the matched connecting assembly and the rod body of the drill rod are conveniently fixed and locked;
(3) The special drill rod for preventing the ground pressure from being impacted is characterized in that the spiral shovel on the outer side of the rod body drills at a designated position, impact vibration is generated in the drilling process, the connecting shaft slides through the long hole and the limiting block, and the shock absorption and buffering are performed through the spring between the connecting shaft and the butt joint pipe, so that the special drill rod for preventing the ground pressure from being impacted in the using process is convenient.
Drawings
FIG. 1 is a schematic diagram of a front view structure of a drill rod special for rock burst prevention;
FIG. 2 is a schematic diagram of a front view cross-section structure of a drill rod special for preventing impact ground pressure;
Fig. 3 is a schematic view of a partial enlarged structure of the drill rod special for impact-resistant ground pressure in fig. 2 at a position.
In the figure: 1. a rod body; 2. a screw shovel; 3. a connecting shaft; 4. a long hole; 5. a spring; 6. a butt joint pipe; 7. a guide bar; 8. a chute; 9. a clamping groove; 10. a connecting groove; 11. a butt joint hole; 12. a limiting block; 13. a sleeve; 14. a locking bolt.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the 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 bar 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 outer side surface of the rod body 1, the connecting shaft 3 is arranged at one end of the rod body 1,
The inside of the connecting shaft 3 is provided with a long hole 4, the outside of the connecting shaft 3 is connected with a spring 5, the butt joint pipe 6 is arranged outside one side of the connecting shaft 3 close to the spring 5, 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 through the spring 5 and the rod body 1, the rod body 1 is damped and buffered through the spring 5 by utilizing the telescopic structure formed by the butt joint pipe 6 through the spring 5 and the rod body 1, the inner wall of the butt joint pipe 6 is provided with guide strips 7, the guide strips 7 are symmetrically and parallelly distributed about the axial lead of the butt joint pipe 6, sliding connection is formed between the guide strips 7 and the sliding grooves 8, the connecting shaft 3 and the butt joint pipe 6 are in a directional butt joint and telescopic manner, the two ends of the guide strips 7 are respectively connected with the connecting shaft 3 and the clamping grooves 9 on one side of the butt joint pipe 6, the cross section of the clamping grooves 9 is in a shape, the diameter of the clamping grooves 9 is in a circular arc shape, the clamping grooves 9 are in a diameter of the shape, and the clamping grooves 9 are arranged between the outer sides of the connecting shaft 3 and the connecting shaft 5 and the clamping grooves 9 are in a stable shape, and the connecting shaft 5 is connected with the clamping grooves 9, and the connecting shaft 5 is in a matched shape, and connected between the clamping grooves 9 is connected with the connecting shaft 5, and the connecting groove is in a stable;
The butt joint pipe 6 is characterized in that the outer side of the butt joint pipe 6 is provided with a connecting groove 10, the inner wall of the butt joint pipe 6 is provided with a butt joint hole 11, two ends of a limiting block 12 are in penetrating connection with the butt joint hole 11, the section of the limiting block 12 is of an annular runway-shaped structure, the thickness of the limiting block 12 is identical with the distance between the inner side surfaces of long holes 4, the axial lead of the limiting block 12 and the axial lead of the butt joint pipe 6 are mutually perpendicular, the section size of the limiting block 12 is matched with the section size of the butt joint hole 11, stable butt joint is carried out between the connecting shaft 3 and the butt joint pipe 6, the butt joint pipe 6 is connected with a sleeve 13 through the connecting groove 10, the thickness of the sleeve 13 is in sleeved connection with the connecting groove 10, the sleeve 13 is in sleeved connection with the butt joint pipe 6 through the connecting groove 10, the sleeve 13 is in sleeved connection with the butt joint pipe 6, the limiting block 12 is locked and limited at one side of the butt joint hole 11, and the sleeve 13 is prevented from falling off from the connecting block 12 through a locking bolt 14 and the butt joint pipe 6.
Working principle: when the special drill rod for preventing impact ground pressure is used, firstly, the spring 5 is sleeved on the outer side of 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 opposite connecting 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 on the inner side, the other end of the spring 5 is pressed to be in clamping connection with the clamping groove 9 at one side of the opposite connecting pipe 6, so that the rod body 1 of the drill rod is in directional connection with the opposite connecting pipe 6, the sleeve 13 is pulled in the connecting groove 10 at the outer side of the opposite connecting pipe 6, the abutting joint hole 11 on the surface of the opposite connecting pipe 6 is exposed, then the limiting block 12 is inserted into the abutting joint hole 11 to enable the rod body 1 to be in butt joint with the opposite connecting pipe 6, then the sliding sleeve 13 is used for blocking the two ends of the limiting block 12, the sliding sleeve 13 is used for penetrating the sleeve 13 and the opposite connecting pipe 6, so that the limiting block 12 is prevented from falling off, when the special drill rod is used, the opposite connecting pipe 6 is connected with corresponding rotating equipment, and the spiral shovel 2 at the designated position is driven to be in the outer side of the rod body 1, the opposite connecting pipe 3 is in directional connection, the impact shaft is caused, the impact shaft 3 is generated in the specific position, the impact shaft is caused, the impact shaft is connected through the long hole 3 and the sliding shaft 3 and the corresponding to be well-buffered, the long hole 3, and the vibration is well 3 is well-known in the vibration is well-known in the technical technology.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention. Equivalent changes and modifications of the invention are intended to fall within the scope of the present invention.
Claims (4)
1. Special drilling rod of protection against shock ground pressure, including body of rod (1), butt joint pipe (6) and stopper (12), its characterized in that: a spiral shovel (2) is arranged on the outer side surface of the rod body (1), a connecting shaft (3) is arranged at one end of the rod body (1), wherein,
The novel connecting shaft is characterized in that 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), a butt joint pipe (6) is arranged outside 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) on the outer side surface of the connecting shaft (3), and two ends of the spring (5) are connected with the connecting shaft (3) and a clamping groove (9) on one side of the butt joint pipe (6) respectively;
The outer side of the butt joint pipe (6) is provided with a connecting groove (10), the inner wall of the butt joint pipe (6) is provided with a butt joint hole (11), two ends of the limiting block (12) are connected with the butt joint hole (11) in a penetrating mode, the butt joint pipe (6) is connected with a sleeve (13) through the connecting groove (10), and the sleeve (13) is fixed with the butt joint pipe (6) through a locking bolt (14);
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 with the rod body (1) through the spring (5);
The guide strips (7) are symmetrically and parallelly distributed about the axial lead of the butt joint pipe (6), and the guide strips (7) are in sliding connection with the sliding grooves (8).
2. The impact ground pressure resistant special drill pipe according to claim 1, wherein: the cross section of the clamping groove (9) is arc-shaped, the diameter of the clamping groove (9) is matched with the outer diameter of the spring (5), and the clamping groove (9) is in clamping connection with the spring (5).
3. The impact ground pressure resistant special drill pipe 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 identical to the distance between the inner side surfaces of the long holes (4), the axial lead of the limiting block (12) and the axial lead of the butt joint pipe (6) are perpendicular to each other, and the cross section of the limiting block (12) is matched with the cross section of the butt joint hole (11).
4. The impact ground pressure resistant special drill pipe according to claim 1, wherein: the thickness of the sleeve (13) is the same as that of the connecting groove (10), and the sleeve (13) is connected with the butt joint pipe (6) in a sleeved mode through the connecting groove (10).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010633452.9A CN111706270B (en) | 2020-07-04 | 2020-07-04 | Drill rod special 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 CN111706270B (en) | 2020-07-04 | 2020-07-04 | Drill rod special for preventing rock burst |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111706270A CN111706270A (en) | 2020-09-25 |
| CN111706270B true CN111706270B (en) | 2024-07-23 |
Family
ID=72545410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010633452.9A Active CN111706270B (en) | 2020-07-04 | 2020-07-04 | Drill rod special for preventing rock burst |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111706270B (en) |
| WO (1) | WO2022007209A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706270B (en) * | 2020-07-04 | 2024-07-23 | 山东兖能泰德重工有限公司 | Drill rod special for preventing rock burst |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212958511U (en) * | 2020-07-04 | 2021-04-13 | 邹城兖矿泰德工贸有限公司 | Special drilling rod for preventing rock burst |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4428443A (en) * | 1981-09-21 | 1984-01-31 | Stability Drilling Systems, Inc. | Shock absorbing tool for connection to a drill column |
| US5263899A (en) * | 1990-06-12 | 1993-11-23 | Hitachi Construction Machinery Co., Ltd. | Cylindrical telescopic kelly-bar apparatus |
| US5778987A (en) * | 1996-04-29 | 1998-07-14 | Inco Limited | Guided drilling system with shock absorber |
| 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 |
| CN204627415U (en) * | 2015-05-05 | 2015-09-09 | 平顶山市铁福来机电设备有限公司 | A kind of way-type drilling unit for weak seam boring |
| CN204703784U (en) * | 2015-06-24 | 2015-10-14 | 长江大学 | A kind of down-hole string is with brill shock absorber |
| CN105569563A (en) * | 2015-12-31 | 2016-05-11 | 长安大学 | Rotary drilling rig bit capable of impact drilling |
| EP3228810B1 (en) * | 2016-04-06 | 2019-02-20 | Hawle Water Technology Norge AS | Protection sleeve for a drilling system |
| 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 |
| CN111706270B (en) * | 2020-07-04 | 2024-07-23 | 山东兖能泰德重工有限公司 | Drill rod special for preventing rock burst |
-
2020
- 2020-07-04 CN CN202010633452.9A patent/CN111706270B/en active Active
- 2020-09-29 WO PCT/CN2020/119109 patent/WO2022007209A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212958511U (en) * | 2020-07-04 | 2021-04-13 | 邹城兖矿泰德工贸有限公司 | Special drilling rod for preventing rock burst |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111706270A (en) | 2020-09-25 |
| WO2022007209A1 (en) | 2022-01-13 |
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Country or region after: China Address after: 272000 West Section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province Applicant after: Shandong Yanneng Taide Heavy Industry Co.,Ltd. Address before: 273500 west of middle section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province Applicant before: ZOUCHENG YANKUANG TAIDE INDUSTRY & TRADE Co.,Ltd. Country or region before: China |
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