CN112431560B - Mining geological drill rod - Google Patents
Mining geological drill rod Download PDFInfo
- Publication number
- CN112431560B CN112431560B CN202011128760.2A CN202011128760A CN112431560B CN 112431560 B CN112431560 B CN 112431560B CN 202011128760 A CN202011128760 A CN 202011128760A CN 112431560 B CN112431560 B CN 112431560B
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- CN
- China
- Prior art keywords
- drill rod
- rod body
- connecting square
- female joint
- hole
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- 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.)
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Links
- 238000005065 mining Methods 0.000 title claims abstract description 11
- 238000005553 drilling Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 abstract description 7
- 230000037431 insertion Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000011796 hollow space material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- E21B17/042—Threaded
-
- 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
- E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
-
- 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
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 mining geological drill rod in the technical field of geological drill rods, which comprises a drill rod body with a hollow structure, wherein a connecting square section is arranged at the bottom end of the drill rod body, a male joint capable of rotating relatively is arranged in an inner hole of the connecting square section, a connecting square hole matched with the connecting square section is arranged at the top end of the drill rod body, a female joint is connected in an inner cavity of the drill rod body below the connecting square hole in a sliding manner, a support rod is arranged in an inner cavity of the drill rod body below the female joint, the support rod is connected with a check ball above the support rod through a spring, and the radial size of the check ball is larger than that of the inner hole of the female joint. The two ends of the drill rod body are provided with the connecting square section and the connecting square hole which are matched with each other, the hollow space of the connecting square section is internally provided with the male joint which can rotate relatively, the lifting female joint is arranged in the connecting square hole, the axial connection of the two connected drill rod bodies is realized through the threaded connection of the male joint and the female joint, and the circumferential transmission between the drill rods is realized through the insertion connection of the connecting square section and the connecting square hole.
Description
Technical Field
The invention relates to the technical field of geological drill rods, in particular to a mining geological drill rod.
Background
In the prior art, the connection between the drill rods is mostly assembled and disassembled through the threaded connection of the male joint and the female joint, the disassembly between the drill rods in threaded connection is extremely difficult under the condition of high torque in coal seam drilling, and even the threaded connection is "screwed up" under the condition of high torque.
The common threaded connection drill rod can only rotate forwards but not rotate backwards in the drilling process, a screw thread can fall off in the reverse rotation process, the drill rod and a drill bit can be lost in a hole and are difficult to take out, and the drilling efficiency is low and the economic loss is caused; in the ordinary square drill rod and the ordinary hexagonal drill rod which are connected by the pin shaft, although the square drill rod and the hexagonal drill rod can rotate forwards and backwards in the drilling process, the pin is easy to wear in the drilling process, and the pin is broken or cannot be taken out, so that the drill rods cannot be disconnected smoothly, and the drilling efficiency is also reduced.
Disclosure of Invention
In view of the above, the present invention provides a geological drill rod for mining.
The technical scheme adopted by the invention is as follows:
designing a mining geological drill rod, which comprises a drill rod body with a hollow structure, wherein the bottom end of the drill rod body is provided with a connecting square section, an inner hole of the connecting square section is internally provided with a male joint capable of rotating relatively, and the male joint is axially provided with an inserting through hole;
a connecting square hole matched with the connecting square section is formed in the top end of the drill rod body, a female joint used for being in threaded connection with a male joint is connected in a sliding mode in an inner cavity of the drill rod body below the connecting square hole, a supporting rod is arranged in the inner cavity of the drill rod body below the female joint, a spring is arranged on the supporting rod, a check ball abutting against the female joint is arranged at the top end of the spring, and the radial size of the check ball is larger than that of an inner hole of the female joint;
the distance between the upper surface of the female joint and the upper end surface of the drill rod body is A, the distance between the lower surface of the male joint and the lower end surface of the drill rod body is B, and A < B.
Preferably, the top end of the drill rod body is provided with a vertical sliding groove, the outer side of the female joint is provided with a sliding block, and the sliding block is connected in the vertical sliding groove in a sliding mode.
Preferably, the two ends of the rod body of the drill rod are respectively and correspondingly provided with an upper annular groove and a lower annular groove, and a sealing ring matched with the lower annular groove is arranged in the upper annular groove.
Compared with the prior art, the invention has the beneficial technical effects that:
1. according to the invention, the connecting square section and the connecting square hole which are mutually matched are arranged at two ends of the drill rod body, the male joint capable of rotating relatively is arranged in the hollow space of the connecting square section, the liftable female joint is arranged in the connecting square hole, the axial connection of the two connected drill rod bodies is realized through the threaded connection of the male joint and the female joint, the circumferential transmission between the drill rods is realized through the insertion connection of the connecting square section and the connecting square hole, and further the forward and reverse rotation as well as the convenient assembly and disassembly of the drill rod are realized.
2. The support rod, the spring and the check ball are arranged in the inner cavity of the drill rod body, and the check ball is elastically acted by the spring, so that the check effect of the drill rod on water flow is realized, and the male connector and the female connector are conveniently connected.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a bottom view of the present invention;
FIG. 4 is a reference diagram illustrating the use state of the present invention;
FIG. 5 is a schematic view of the assembly/disassembly tool;
the drilling rod comprises a drilling rod body 1, a connecting square section 2, a male joint 3, an inserting through hole 4, a connecting square hole 5, a female joint 6, a vertical sliding groove 7, a sliding block 8, a supporting rod 9, a spring 10, a check ball 11, a sealing ring 12, a bearing 13, a rotating rod 14, a square insert 15 and a handle 16.
Detailed Description
The following examples are provided to illustrate the present invention in detail and are not intended to limit the scope of the present invention in any way. The components, structures, mechanisms, sensors and other devices of the unit modules in the following embodiments are all conventional and commercially available products unless otherwise specified.
Example (b): as shown in fig. 1-4, a mining geological drill rod comprises a drill rod body 1 with a hollow structure, wherein two ends of the drill rod body 1 are thickened, a connecting square section 2 is arranged at the bottom end of the drill rod body 1, a male connector 3 is arranged in an inner hole of the connecting square section 2, the male connector 3 and the drill rod body 1 can rotate relatively, an inserting through hole 4 is arranged on the male connector 3, and the cross section of the inserting through hole 4 is triangular or square; the top end of the drill rod body 1 is provided with a connecting square hole 5 matched with the connecting square section 2, a female joint 6 used for being in threaded connection with the male joint 3 is arranged in the inner cavity of the drill rod body 1 below the connecting square hole 5, and the female joint 6 and the drill rod body 1 are in axial sliding connection along the drill rod body 1.
In the embodiment, in order to realize the lifting of the female joint so as to facilitate the threaded connection of the male joint 3 and the female joint 6, a support rod 9 is arranged in the inner cavity of the drill rod body 1 below the female joint 6, a spring 10 is arranged on the support rod 9, a check ball 11 which is abutted against the female joint 6 is arranged at the top end of the spring 10, and the radial dimension of the check ball 11 is larger than that of the inner hole of the female joint 6; the distance between the upper surface of the female joint 6 and the upper end surface of the drill rod body 1 is A, the distance between the lower surface of the male joint 3 and the lower end surface of the drill rod body 1 is B, and A is smaller than B; the elastic force of the spring 10 on the check ball 11 provides an upward acting force for the female joint 6 so that the female joint is fully contacted with the male joint 3, and the male joint 3 is conveniently in threaded connection with the female joint 6; meanwhile, the check ball 11 also plays a role in blocking the reverse flow of water flow, when the water flow flows downwards, the check ball 11 is in a separated state with the female joint, or the check ball 11 downwards extrudes the spring 10 and is separated from the female joint 6, so that the smooth downward flow of the water flow is ensured; when water flows upwards in a counter flow manner, the check ball 11 pulls the spring 10 upwards and props against the female joint 6 to block the inner hole of the female joint 6, so that the counter flow of the water flows is blocked.
In the present embodiment, the sliding connection between the female joint 6 and the drill rod body 1 is realized as follows: the both sides on the drilling rod body of rod 1 inner chamber top are equipped with vertical spout 7, are equipped with slider 8 in the outside of box 6, and slider 8 sliding connection is in vertical spout 7.
In this embodiment, in order to prevent the high-pressure water from leaking, an upper annular groove and a lower annular groove are correspondingly arranged at two ends of the drill rod body 1, and a sealing ring 12 matched with the lower annular groove is arranged in the upper annular groove.
In this embodiment, the male connector 3 may be rotatably connected to the drill rod body 1 through a bearing 13, and may also be rotatably connected to the connection square section 2 through a bearing 13.
The operation and use method of the mining geological drill rod comprises the following steps:
when two drill rods are connected, the connecting square section 2 at the bottom end of the upper drill rod is inserted into the connecting square hole 5 at the top end of the lower drill rod until the upper end surface and the lower end surface of the two drill rods are overlapped, and the male joint 3 downwards extrudes the female joint 6 and enables the female joint 6 to downwards slide in the process that the connecting square section 2 enters the connecting square hole 5; then, a dismounting tool is stretched into the inner cavity of the upper drill rod body 1, a square insertion block 15 matched with the insertion through hole 4 is arranged at the bottom end of the rotating rod 14, after the square insertion block 15 is inserted into the insertion through hole 4, the rotating handle 16 drives the rotating rod 14 to rotate, so that the square insertion block 15 drives the male joint 3 to rotate, the bottom end of the male joint 3 is tightly propped against the inside of the female joint 6, the female joint 6 is in threaded connection with the male joint 3 in the rotating process of the male joint 3, the female joint 6 moves upwards along the axial direction of the drill rod body 1 in the process of screwing the male joint 3 into the female joint 6 until the female joint 3 does not ascend any more (at the moment, a sliding block 8 on the female joint 6 slides to the top end of a vertical sliding groove 7), at the moment, the axial fixed connection of the two drill rod bodies 1 (the upper end surfaces and the lower end surfaces of the two drill rod bodies 1 are overlapped), meanwhile, the connection square section 2 is limited in the connection square hole 5, namely, the transmission connection of the circumferential rotation of the two drill rod bodies 1 is completed, and the dismounting process can be completed by reversely repeated operation; when the upper drill rod body 1 rotates, the lower drill rod body 1 is driven to rotate through the circumferential transmission of the connecting square section 2 and the connecting square hole 5, and then the forward and reverse rotation of the drill rod is realized.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (3)
1. The utility model provides a mining geology drilling rod, includes the drilling rod body that has hollow structure which characterized in that:
the bottom end of the drill rod body is provided with a connecting square section, an inner hole of the connecting square section is internally provided with a male joint capable of rotating relatively, and the male joint is axially provided with an inserting through hole;
a connecting square hole matched with the connecting square section is formed in the top end of the drill rod body, a female joint used for being in threaded connection with a male joint is connected in a sliding mode in an inner cavity of the drill rod body below the connecting square hole, a supporting rod is arranged in the inner cavity of the drill rod body below the female joint, a spring is arranged on the supporting rod, a check ball abutting against the female joint is arranged at the top end of the spring, and the radial size of the check ball is larger than that of an inner hole of the female joint;
the distance between the upper surface of the female joint and the upper end surface of the drill rod body is A, the distance between the lower surface of the male joint and the lower end surface of the drill rod body is B, and A < B.
2. The mining geological drill rod of claim 1, wherein: the drill rod body top is equipped with vertical spout, the outside of box is equipped with the slider, slider sliding connection is in vertical spout.
3. The mining geological drill pipe of claim 1, characterized in that: the two ends of the drill rod body are respectively and correspondingly provided with an upper annular groove and a lower annular groove, and a sealing ring matched with the lower annular groove is arranged in the upper annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011128760.2A CN112431560B (en) | 2020-10-20 | 2020-10-20 | Mining geological drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011128760.2A CN112431560B (en) | 2020-10-20 | 2020-10-20 | Mining geological drill rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112431560A CN112431560A (en) | 2021-03-02 |
| CN112431560B true CN112431560B (en) | 2023-01-13 |
Family
ID=74695773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011128760.2A Active CN112431560B (en) | 2020-10-20 | 2020-10-20 | Mining geological drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112431560B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012074984A2 (en) * | 2010-12-01 | 2012-06-07 | Vermeer Manufacturing Company | Tapered thread configuration with improved durability |
| CN206904087U (en) * | 2017-04-25 | 2018-01-19 | 曾秋明 | A kind of connector of wall-breaking machine |
| CN108071352A (en) * | 2017-12-14 | 2018-05-25 | 中国能源建设集团安徽省电力设计院有限公司 | Drill rod connecting device |
| CN110259391A (en) * | 2019-07-22 | 2019-09-20 | 山西天巨重工机械有限公司 | A kind of positive and negative rotation large torque transfer device |
| CN110529508A (en) * | 2019-10-17 | 2019-12-03 | 贵州高峰石油机械股份有限公司 | A kind of connection method of anti-back button and structure for bearing positive and negative high torque |
| CN210768622U (en) * | 2019-10-10 | 2020-06-16 | 洛阳风动工具有限公司 | Quick detachable drilling rod |
-
2020
- 2020-10-20 CN CN202011128760.2A patent/CN112431560B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012074984A2 (en) * | 2010-12-01 | 2012-06-07 | Vermeer Manufacturing Company | Tapered thread configuration with improved durability |
| CN206904087U (en) * | 2017-04-25 | 2018-01-19 | 曾秋明 | A kind of connector of wall-breaking machine |
| CN108071352A (en) * | 2017-12-14 | 2018-05-25 | 中国能源建设集团安徽省电力设计院有限公司 | Drill rod connecting device |
| CN110259391A (en) * | 2019-07-22 | 2019-09-20 | 山西天巨重工机械有限公司 | A kind of positive and negative rotation large torque transfer device |
| CN210768622U (en) * | 2019-10-10 | 2020-06-16 | 洛阳风动工具有限公司 | Quick detachable drilling rod |
| CN110529508A (en) * | 2019-10-17 | 2019-12-03 | 贵州高峰石油机械股份有限公司 | A kind of connection method of anti-back button and structure for bearing positive and negative high torque |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112431560A (en) | 2021-03-02 |
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Legal Events
| 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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20221222 Address after: 252000 Room 101, 1/F, 2 # Office Building, Yide Electric Institute, East Yanshan Road and South Tianjin Road, Xuying Town, High tech Zone, Liaocheng City, Shandong Province Applicant after: Shandong Jiushang Directional Drilling Co.,Ltd. Address before: 450000 Fuyuan Road Yufeng road shenzhuang, Jinshui District, Zhengzhou City, Henan Province Applicant before: Geng Zhisheng |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |