CN112922538A - Geological drill rod - Google Patents
Geological drill rod Download PDFInfo
- Publication number
- CN112922538A CN112922538A CN202110101264.6A CN202110101264A CN112922538A CN 112922538 A CN112922538 A CN 112922538A CN 202110101264 A CN202110101264 A CN 202110101264A CN 112922538 A CN112922538 A CN 112922538A
- Authority
- CN
- China
- Prior art keywords
- rod
- connecting pipe
- ball head
- connecting rod
- pipe
- 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
- 238000007789 sealing Methods 0.000 claims description 15
- 238000001125 extrusion Methods 0.000 claims description 6
- 238000005553 drilling Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000003628 erosive effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 3
- 244000046052 Phaseolus vulgaris Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock 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
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/05—Swivel joints
-
- 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
-
- 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
- E21B17/042—Threaded
- E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
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 geological drill rod which comprises a connecting pipe, a left ball head connecting rod and a right ball head connecting rod; the left end and the right end of the connecting pipe are respectively provided with a left rod body and a right rod body; two ends of the connecting pipe are provided with connecting pipe concave grooves; connecting rod concave grooves are formed in the connecting ends of the left rod body and the connecting pipe and the connecting ends of the right rod body and the connecting pipe; the outer ends of the left ball head connecting rod and the right ball head connecting rod are arc-shaped structures; the arc-shaped structure is embedded in and attached to the arc-shaped groove formed by connecting the concave groove of the connecting pipe and the concave groove of the connecting rod; the inner ends of the left ball head connecting rod and the right ball head connecting rod are embedded in the connecting pipe; the arc structure is provided with a limiting hole; the connecting pipe is provided with a slot corresponding to the limiting hole; a pin is arranged between the slot and the limiting hole. Compared with the prior art, the invention has the beneficial effects that: simple structure connects convenient and fast, through optimal design, avoids the drilling rod junction to receive the erosion, improves the life of drilling rod.
Description
Technical Field
The invention relates to the field of drill rods, in particular to a geological drill rod.
Background
The drill rod plays a role in transmitting power and conveying mud in a drill string system, and extremely harsh alternating torque and vibration can be applied to the drill rod in the working process, so that the drill rod can be normally used only by having good torsional resistance and impact resistance.
The drill rods are basically connected by simple threads, because the complex connection mode is not suitable for the requirement of actual production operation and is not practical. However, the threaded connection often causes corrosion due to corrosion and the like, so that the torsional resistance is poor, and the drill rod cannot be normally used.
Disclosure of Invention
The invention provides a geological drill rod which is characterized by simple structure, convenient and quick connection, and improved service life by avoiding erosion of the drill rod joint through optimized design.
In order to achieve the purpose, the invention provides the following technical scheme: the geological drill rod comprises a connecting pipe, a left ball head connecting rod and a right ball head connecting rod; the left end and the right end of the connecting pipe are respectively provided with a left rod body and a right rod body; two ends of the connecting pipe are provided with connecting pipe concave grooves; connecting rod concave grooves are formed in the connecting ends of the left rod body and the connecting pipe and the connecting ends of the right rod body and the connecting pipe; the outer ends of the left ball head connecting rod and the right ball head connecting rod are arc-shaped structures; the arc-shaped structure is embedded in and attached to an arc-shaped groove formed by connecting the concave groove of the connecting pipe and the concave groove of the connecting rod; the inner ends of the left ball head connecting rod and the right ball head connecting rod are embedded in the connecting pipe; a limiting hole is formed in the arc-shaped structure; a slot is arranged on the connecting pipe corresponding to the limiting hole; and a pin is arranged between the slot and the limiting hole.
As optimization, the connecting pipe is in threaded connection with the left rod body; the connecting pipe is connected with the right rod body through threads.
As optimization, the threaded connection part between the connecting pipe and the left rod body is positioned outside the slot; the threaded connection position between the connecting pipe and the right rod body is positioned outside the slot.
And optimally, the inner ends of the left ball head connecting rod and the right ball head connecting rod are in threaded connection with the connecting pipe.
And preferably, an extrusion sealing rubber ring is arranged between the left ball head connecting rod and the right ball head connecting rod.
Preferably, the arc-shaped structure is a spherical structure, and the limiting hole is located at the maximum periphery of the arc-shaped structure.
Preferably, the limiting holes are uniformly distributed in plurality.
And optimally, sealing rubber rings are arranged on the concave grooves of the connecting pipes and the concave grooves of the connecting rods on the two sides of the slot.
Preferably, a clamping groove is formed in the periphery of the connecting pipe.
Preferably, the pin is in threaded connection with the slot and the limiting hole.
Compared with the prior art, the invention has the following beneficial effects: the traditional simple drilling rod threaded connection mode is changed, the drilling rod threaded connection mode is fixed through the connecting pipe, the anti-torsion performance and the shock resistance are improved, meanwhile, sealing among all the parts is achieved through the matching of the left ball head connecting rod, the right ball head connecting rod and the connecting pipe, the effect that threaded connection positions of all the parts cannot be corroded is guaranteed, and the service life of the drilling rod is greatly prolonged.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.
Wherein, connecting pipe 1, left body of rod 2, right body of rod 3, left bulb connecting rod 4, right bulb connecting rod 5, slot 6, spacing hole 7, sealed rubber ring 8, extrusion sealing rubber ring 9, draw-in groove 10, connecting pipe concave groove 11, connecting rod concave groove 12, external screw thread 13, internal thread 14, polygon prism bolt 15, recess 16, card beans 17, draw-in groove 18 are connected.
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
First embodiment (refer to fig. 1):
the geological drill rod comprises a connecting pipe 1, a left ball head connecting rod 4 and a right ball head connecting rod 5; the left end and the right end of the connecting pipe 1 are respectively provided with a left rod body 2 and a right rod body 3; two ends of the connecting pipe 1 are provided with connecting pipe concave grooves 11; the connecting ends of the left rod body 2 and the right rod body 3 and the connecting pipe 1 are provided with connecting rod concave grooves 12; the outer ends of the left ball head connecting rod 4 and the right ball head connecting rod 5 are arc-shaped structures; the arc-shaped structure is embedded in and attached to an arc-shaped groove formed by connecting the connecting pipe concave groove 11 and the connecting rod concave groove 12; the inner ends of the left ball head connecting rod 4 and the right ball head connecting rod 5 are embedded in the connecting pipe 1; a limiting hole 7 is formed in the arc-shaped structure; a slot 6 is arranged on the connecting pipe 1 corresponding to the limiting hole 7; and a pin is arranged between the slot 6 and the limiting hole 7. The pin is in threaded connection with the slot 6 and the limiting hole 7.
The connecting pipe 1 is in threaded connection with the left rod body 2; the connecting pipe 1 is connected with the right rod body 3 through threads. The threaded joint between the connecting pipe 1 and the left rod body 2 is positioned outside the slot 6; the thread joint between the connecting pipe 1 and the right rod body 3 is positioned outside the slot 6. The inner ends of the left ball head connecting rod 4 and the right ball head connecting rod 5 are in threaded connection with the connecting pipe 1. And an extrusion sealing rubber ring 9 is arranged between the left ball head connecting rod 4 and the right ball head connecting rod 5.
The arc structure is spherical and the limiting hole 7 is located at the maximum periphery of the arc structure. The limiting holes 7 are uniformly distributed.
And sealing rubber rings 8 are arranged on the connecting pipe concave groove 11 and the connecting rod concave groove 12 on the two sides of the slot 6.
And a clamping groove 10 is formed in the periphery of the connecting pipe 1. The clamping groove 10 can play a role in assisting the fixing of the connecting pipe 1 when connecting various parts.
The installation steps and the working principle are as follows:
firstly, the left ball head connecting rod 4 is installed at the left end of the connecting pipe 1 and fixedly connected through threads, and the position is adjusted to enable the limiting hole 7 on the left ball head connecting rod 4 to be aligned with the slot 6 at the left end of the connecting pipe 1 and then fixedly connected through a pin/screw.
Then, an extrusion sealing rubber ring 9 is put into the right end of the left ball head connecting rod 4, and the right ball head connecting rod 5 is continuously installed into the connecting pipe 1, as shown in the left ball head connecting rod 4.
And finally, connecting the left rod body 2 and the right rod body 3. And finishing the installation and use.
Through the arc structure of left bulb connecting rod 4 and right bulb connecting rod 5, improved the holistic tensile strength effect of drilling rod firstly, bear most pulling force through connecting pipe concave groove 11 and connecting rod concave groove 12, reduce the pulling force of each part threaded connection department and bear. Secondly, through the cooperation of slot 6 and spacing hole 7, offset most torsion through the pin, reduce the torsion that each part threaded connection department and bear. Thirdly, because the interior of the geological drill rod is of a hollow structure and fluid is often required to be injected through an internal circulation channel, the internal sealing effect can be improved by adopting the design; the sealing performance of the connecting pipe can be greatly improved by the mode that the arc-shaped structure is attached to the connecting pipe concave groove 11 and the connecting rod concave groove 12 and the connecting pipe concave groove is in threaded fastening and rotating connection, and meanwhile, the sealing rubber rings 8 are additionally arranged on the two sides of the slot 6, so that the sealing effect and performance are further ensured; an extrusion sealing rubber ring 9 is arranged between the left ball head connecting rod 4 and the right ball head connecting rod 5, so that the sealing of the joint of the left ball head connecting rod and the right ball head connecting rod is ensured, and the threaded joint is prevented from being corroded.
Second embodiment (refer to fig. 2):
the difference between the embodiment 2 and the embodiment 1 is that a single-ball-head connecting rod mode is adopted, specifically, one end of the left ball-head connecting rod 4 is of a spherical arc-shaped structure, and the other end of the left ball-head connecting rod is provided with a connecting external thread 13. And the left end of the left rod body 2 is provided with a connecting internal thread 14 matched with the connecting external thread 13.
Third embodiment (refer to fig. 3):
embodiment 3 differs from embodiment 2 in that the connecting external thread 13 is replaced with a polygonal prism pin 15; and the left end of the left rod body 2 is provided with a groove 16 matched with the polygonal bolt 15. Meanwhile, the polygonal column bolt 15 is provided with a clamping bean 17; a clamping groove 18 matched with the clamping bean 17 is arranged in the groove 16.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. Geological drill rod, its characterized in that: comprises a connecting pipe (1), a left ball head connecting rod (4) and a right ball head connecting rod (5); the left end and the right end of the connecting pipe (1) are respectively provided with a left rod body (2) and a right rod body (3); two ends of the connecting pipe (1) are provided with connecting pipe concave grooves (11); the connecting ends of the left rod body (2) and the right rod body (3) and the connecting pipe (1) are provided with connecting rod concave grooves (12); the outer ends of the left ball head connecting rod (4) and the right ball head connecting rod (5) are arc-shaped structures; the arc-shaped structure is embedded in and attached to an arc-shaped groove formed by connecting the connecting pipe concave groove (11) and the connecting rod concave groove (12); the inner ends of the left ball head connecting rod (4) and the right ball head connecting rod (5) are embedded in the connecting pipe (1); a limiting hole (7) is formed in the arc-shaped structure; a slot (6) is arranged on the connecting pipe (1) corresponding to the limiting hole (7); and a pin is arranged between the slot (6) and the limiting hole (7).
2. The geological drill pipe of claim 1, wherein: the connecting pipe (1) is in threaded connection with the left rod body (2); the connecting pipe (1) is in threaded connection with the right rod body (3).
3. The geological drill pipe of claim 2, wherein: the threaded connection part between the connecting pipe (1) and the left rod body (2) is positioned outside the slot (6); the thread connection position between the connecting pipe (1) and the right rod body (3) is positioned outside the slot (6).
4. The geological drill pipe of claim 1, wherein: the inner ends of the left ball head connecting rod (4) and the right ball head connecting rod (5) are in threaded connection with the connecting pipe (1).
5. The geological drill pipe of claim 1, wherein: an extrusion sealing rubber ring (9) is arranged between the left ball head connecting rod (4) and the right ball head connecting rod (5).
6. The geological drill pipe of claim 1, wherein: the arc-shaped structure is a spherical structure, and the limiting hole (7) is located at the maximum periphery of the arc-shaped structure.
7. The geological drill pipe of claim 6, wherein: the limiting holes (7) are uniformly distributed.
8. The geological drill pipe of claim 1, wherein: and sealing rubber rings (8) are arranged on the connecting pipe concave grooves (11) and the connecting rod concave grooves (12) on the two sides of the slot (6).
9. The geological drill pipe of claim 1, wherein: and a clamping groove (10) is formed in the periphery of the connecting pipe (1).
10. The geological drill pipe of claim 1, wherein: the pin is in threaded connection with the slot (6) and the limiting hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110101264.6A CN112922538A (en) | 2021-01-26 | 2021-01-26 | Geological drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110101264.6A CN112922538A (en) | 2021-01-26 | 2021-01-26 | Geological drill rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112922538A true CN112922538A (en) | 2021-06-08 |
Family
ID=76165993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110101264.6A Pending CN112922538A (en) | 2021-01-26 | 2021-01-26 | Geological drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112922538A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863519A (en) * | 2015-04-21 | 2015-08-26 | 山东大学 | Drill rod convenient for assembly and disassembly in tunnel construction process and application method of drill rod |
| CN205977123U (en) * | 2016-08-03 | 2017-02-22 | 中国地质科学院勘探技术研究所 | Drilling rod flexible joint |
| CN107869312A (en) * | 2017-10-12 | 2018-04-03 | 中国石油天然气股份有限公司 | Flexible drill rod |
| CN208347710U (en) * | 2018-05-04 | 2019-01-08 | 贵州能安机电设备制造有限公司 | A kind of flex-stem connector |
| CN109505582A (en) * | 2018-11-30 | 2019-03-22 | 四川圣诺油气工程技术服务有限公司 | A kind of idler wheel flexible nipple |
| CN210829108U (en) * | 2020-04-23 | 2020-06-23 | 山东科瑞石油技术有限公司 | Flexible nipple for large-curvature well construction |
-
2021
- 2021-01-26 CN CN202110101264.6A patent/CN112922538A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863519A (en) * | 2015-04-21 | 2015-08-26 | 山东大学 | Drill rod convenient for assembly and disassembly in tunnel construction process and application method of drill rod |
| CN205977123U (en) * | 2016-08-03 | 2017-02-22 | 中国地质科学院勘探技术研究所 | Drilling rod flexible joint |
| CN107869312A (en) * | 2017-10-12 | 2018-04-03 | 中国石油天然气股份有限公司 | Flexible drill rod |
| CN208347710U (en) * | 2018-05-04 | 2019-01-08 | 贵州能安机电设备制造有限公司 | A kind of flex-stem connector |
| CN109505582A (en) * | 2018-11-30 | 2019-03-22 | 四川圣诺油气工程技术服务有限公司 | A kind of idler wheel flexible nipple |
| CN210829108U (en) * | 2020-04-23 | 2020-06-23 | 山东科瑞石油技术有限公司 | Flexible nipple for large-curvature well construction |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210608 |