CN212958511U - Special drilling rod for preventing rock burst - Google Patents
Special drilling rod for preventing rock burst Download PDFInfo
- Publication number
- CN212958511U CN212958511U CN202021280418.XU CN202021280418U CN212958511U CN 212958511 U CN212958511 U CN 212958511U CN 202021280418 U CN202021280418 U CN 202021280418U CN 212958511 U CN212958511 U CN 212958511U
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- China
- Prior art keywords
- butt joint
- joint pipe
- spring
- groove
- connecting shaft
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- 238000005553 drilling Methods 0.000 title claims abstract description 28
- 239000011435 rock Substances 0.000 title claims description 14
- 210000001503 joint Anatomy 0.000 claims abstract description 84
- 230000035939 shock Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 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
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- Earth Drilling (AREA)
Abstract
The utility model discloses a special drilling rod of protecting against shock ground pressure, including the body of rod, butt joint pipe and stopper, the outside surface of the body of rod is provided with the spiral shovel, the one end of the body of rod is provided with the connecting axle, wherein, the slot hole has been seted up to the inside of connecting axle, the outside of connecting axle is connected with the spring, the outside that is close to spring one side at the connecting axle is managed to the butt joint, the both ends of spring are connected with connecting axle, the draw-in groove to pipe one side respectively, the spread groove has been seted up to the outside of butt joint pipe, the butt joint hole has been seted up to the inner wall department of butt joint pipe, the butt. 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 utility model relates to a drilling equipment technical field specifically is special drilling rod of protecting against shock earth pressure.
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.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special drilling rod of protecting against shock earth pressure to solve the special drilling rod of earth pressure and the corresponding drill bit on the existing market that above-mentioned background art provided and be not convenient for carry out directional connection, earth pressure special drilling rod and corresponding drill bit be not convenient for lock fixed with the problem that the special drilling rod of earth pressure received shock easily when using.
In order to achieve the above object, the utility model provides a 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 beneficial effects of the utility model are 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 the special drill rod for preventing rock burst of the present invention;
FIG. 2 is a schematic view of the sectional structure of the special drill rod for protecting against rock burst of the present invention;
fig. 3 is a schematic view of a partially enlarged structure at a position a in fig. 2 of the special drill rod for preventing rock burst of the present 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 described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
In summary, the preferred embodiments of the present invention are only described, and the scope of the present invention is not limited thereto. All equivalent changes and modifications made according to the content of the claims of the present invention shall 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021280418.XU CN212958511U (en) | 2020-07-04 | 2020-07-04 | Special drilling rod for preventing rock burst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021280418.XU CN212958511U (en) | 2020-07-04 | 2020-07-04 | Special drilling rod for preventing rock burst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212958511U true CN212958511U (en) | 2021-04-13 |
Family
ID=75389745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021280418.XU Active CN212958511U (en) | 2020-07-04 | 2020-07-04 | Special drilling rod for preventing rock burst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212958511U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 CN202021280418.XU patent/CN212958511U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 273500 west of middle section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province Patentee 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 Patentee before: ZOUCHENG YANKUANG TAIDE INDUSTRY & TRADE Co.,Ltd. |