CN110552630A - Electric coal drill rod - Google Patents
Electric coal drill rod Download PDFInfo
- Publication number
- CN110552630A CN110552630A CN201910978089.1A CN201910978089A CN110552630A CN 110552630 A CN110552630 A CN 110552630A CN 201910978089 A CN201910978089 A CN 201910978089A CN 110552630 A CN110552630 A CN 110552630A
- Authority
- CN
- China
- Prior art keywords
- thread
- rod
- drill bit
- electric coal
- cylinder
- 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
- 239000003245 coal Substances 0.000 title claims abstract description 37
- 238000005553 drilling Methods 0.000 claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 230000003139 buffering effect Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005065 mining Methods 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
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
- 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
- E21B17/22—Rods or pipes with helical structure
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 electric coal drill rod comprises a front rod and a rear rod, wherein one end of the front rod is connected with a connecting cylinder, the rear rod and the front rod are connected through the connecting cylinder, a first spiral channel is arranged on the front rod, a first flat groove is formed in the first spiral channel, one end of the front rod is fixed with a connector, first threads are arranged on the connector, a second spiral channel is arranged on the rear rod, a second flat groove is formed in the second spiral channel, one end of the rear rod is fixed with a first connecting drill bit, second threads are arranged on the first connecting drill bit, and a protective joint is connected to the first connecting drill bit. This coal-fired drilling rod can more thorough clearance, and the convenience continues to use, and can prevent to be worn and torn because of the friction is great at the in-process second screw thread or the third screw thread that bores the hole to make things convenient for operating personnel to use the operation, and change the back pole of easy wearing and tearing.
Description
Technical Field
the invention relates to the technical field of electric coal drill rods, in particular to an electric coal drill rod.
background
The electric coal drill rod is suitable for being used when the coal electric drill is used for drilling, is an ideal and indispensable tool for coal mining, can be matched with various coal electric drills and air coal drills for use, and has the characteristics of high drilling speed, good drilling forming, high drilling efficiency and the like.
There are various electric coal drilling rods on the market now, but electric coal drilling rod on the market now accumulates detritus or earth in spiral way department easily, it is inconvenient to wash, influence follow-up use, but the electric coal drilling rod that double-end was used makes connecting drill bit department screw thread wearing and tearing very easily in the use, make the drilling rod be difficult to the use of trading the head, cause the waste, and the electric coal drilling rod of the connected form on the market is long to have the drilling rod of a plurality of differences to connect gradually and forms, inconvenient production and processing, consequently, urgent need on the market can improve the technique of electric coal drilling rod structure, perfect this equipment.
Disclosure of Invention
The invention aims to provide an electric coal drill rod, and aims to solve the problems that the conventional electric coal drill rod in the background art is easy to accumulate rock debris or soil at a spiral channel, is inconvenient to clean and influences subsequent use, and the electric coal drill rod capable of being used at two ends easily causes thread abrasion at a connecting drill bit in the use process, so that the drill rod is difficult to replace the drill bit for use, thereby causing waste, and a plurality of different drill rods are sequentially connected to grow on a connecting electric coal drill rod on the market.
In order to achieve the purpose, the invention provides the following technical scheme: the electric coal drill rod comprises a front rod and a rear rod, wherein one end of the front rod is connected with a connecting cylinder, the rear rod is connected with the front rod through the connecting cylinder, wherein,
A first spiral channel is arranged on the front rod, a first flat groove is formed in the first spiral channel, a connector is fixed at one end of the front rod, and first threads are arranged on the connector;
The improved drill bit is characterized in that a second spiral channel is arranged on the rear rod, a second flat groove is formed in the second spiral channel, a first connecting drill bit is fixed to one end of the rear rod, a second thread is arranged on the first connecting drill bit, a protective joint is connected to the first connecting drill bit, a second connecting drill bit is fixed to one end of the rear rod, and a third thread is arranged on the second connecting drill bit.
Preferably, the connecting cylinder comprises an outer cylinder, a connecting groove, a fifth thread and a sixth thread, the connecting groove is formed in the outer cylinder, the fifth thread is arranged in the connecting groove, the sixth thread is arranged in the connecting groove, and the sizes of the fifth thread and the sixth thread are equal.
Preferably, the length of the connecting cylinder is greater than the sum of the lengths of the first connecting drill bit and the second connecting drill bit, the radius of the connecting groove is equal to the outer diameter of the first connecting drill bit, and the connecting head and the connecting cylinder form threaded connection through the first thread and the fifth thread.
preferably, the protective joint comprises a connecting shell, a buffer head, a connecting hole and a fourth thread, the buffer head is fixed at one end of the connecting shell, the connecting hole is formed in the connecting shell, and the fourth thread is arranged in the connecting hole.
Preferably, the inner diameter of the protective joint is equal to the outer diameter of the first connecting drill bit, the inner diameter of the protective joint is equal to the outer diameter of the second connecting drill bit, and one end, far away from the connecting shell, of the buffer head is arc-shaped.
preferably, the fourth thread and the second thread are matched, and the fourth thread and the third thread are matched.
Compared with the prior art, the invention has the beneficial effects that: the electric coal drill rod is mainly designed for drilling holes by an electric coal drill:
1. the first spiral channel of the front rod and the second spiral channel of the rear rod of the electric coal drill rod are provided with first flat grooves, so that after the drill rod is finished, broken rocks and soil are clamped in the flat grooves, the electric coal drill rod can be more thoroughly cleaned than the original grooves, and the electric coal drill rod is convenient to continue to use;
2. The electric coal drill rod adopts a double-head connection type drill rod, a protection joint connected through threads is arranged at the drilling end of the drill rod, and a buffer head on the protection joint is arc-shaped, so that the second thread or the third thread is mainly prevented from being abraded due to larger friction in the process of drilling, and the drill bit is difficult to change heads for use;
3. This electric coal drilling rod adopts the urceolus to connect preceding pole and back pole, has reduced the required different drilling rods's of the electric coal drilling rod of connection formula quantity, and the producer of being convenient for produces, also makes things convenient for operating personnel to use the operation simultaneously to and change the back pole of easy wearing and tearing.
Drawings
FIG. 1 is a schematic view of a front bar construction of the present invention;
FIG. 2 is a schematic view of the rear bar construction of the present invention;
Fig. 3 is a schematic view of the structure of the connecting cylinder of the present invention.
In the figure: 1. front rod, 2, connecting cylinder, 201, outer cylinder, 202, connecting groove, 203, fifth screw thread, 204, sixth screw thread, 3, back rod, 4, first spiral path, 5, first flat groove, 6, connecting head, 7, first screw thread, 8, second spiral path, 9, second flat groove, 10, first connecting drill bit, 11, second screw thread, 12, protective joint, 1201, connecting shell, 1202, buffer head, 1203, connecting hole, 1204, fourth screw thread, 13, second connecting drill bit, 14, third screw thread.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
referring to fig. 1-3, the present invention provides a technical solution: the electric coal drill rod comprises a front rod 1, a connecting cylinder 2, a rear rod 3, a first spiral channel 4, a first flat groove 5, a connector 6, a first thread 7, a second spiral channel 8, a second flat groove 9, a first connecting drill bit 10, a second thread 11, a protective joint 12, a second connecting drill bit 13 and a third thread 14, wherein one end of the front rod 1 is connected with the connecting cylinder 2, the rear rod 3 is connected with the front rod 1 through the connecting cylinder 2, the connecting cylinder 2 comprises an outer cylinder 201, a connecting groove 202, a fifth thread 203 and a sixth thread 204, the connecting groove 202 is formed in the outer cylinder 201, the fifth thread 203 is arranged in the connecting groove 202, the sixth thread 204 is arranged in the connecting groove 202, the fifth thread 203 and the sixth thread 204 are equal in size, the connection between the front rod 1 and the rear rod 3 is facilitated, the length of the connecting cylinder 2 is greater than the sum of the lengths of the first connecting drill bit 10 and the second connecting drill bit 13, and the radius of the connecting groove 202 is equal to the outer diameter of the first connecting drill 10, the connecting head 6 and the connecting cylinder 2 form a threaded connection through the first thread 7 and the fifth thread 203, so that the connecting cylinder 2 can connect the front rod 1 and the rear rod 3, wherein,
A first spiral channel 4 is arranged on the front rod 1, a first flat groove 5 is formed in the first spiral channel 4, a connector 6 is fixed at one end of the front rod 1, and first threads 7 are arranged on the connector 6;
A second spiral channel 8 is arranged on the rear rod 3, a second flat groove 9 is formed in the second spiral channel 8, a first connecting drill bit 10 is fixed at one end of the rear rod 3, second threads 11 are arranged on the first connecting drill bit 10, a protective joint 12 is connected to the first connecting drill bit 10, the protective joint 12 comprises a connecting shell 1201, a buffer head 1202, a connecting hole 1203 and fourth threads 1204, the buffer head 1202 is fixed at one end of the connecting shell 1201, the connecting hole 1203 is formed in the connecting shell 1201, the fourth threads 1204 are arranged in the connecting hole 1203, the inner diameter of the protective joint 12 is equal to the outer diameter of the first connecting drill bit 10, the inner diameter of the protective joint 12 is equal to the outer diameter of the second connecting drill bit 13, and the end, far away from the connecting shell 1201, of the buffer head 1202 is arc-shaped, so that the second threads 11 or the third threads 14 can be protected, the fourth thread 1204 is matched with the second thread 11, and the fourth thread 1204 is matched with the third thread 14, so that the protective joint 12 can protect the fourth thread 1204 or the third thread 14 after changing heads, a second connecting drill bit 13 is fixed at one end of the rear rod 3, and the second connecting drill bit 13 is provided with the third thread 14.
The working principle is as follows: before using the electric coal drill rod, firstly, the operator needs to simply understand the structure of the whole electric coal drill rod, firstly, the operator connects the front rod to the drilling instrument, then connects the connector 6 and the connecting shell 1201 through the first thread 7 and the fifth thread 203 (or the sixth thread 204), then connects the first connecting drill bit 10 on the rear rod 3 through the second thread 11 and the sixth thread 204 (or the fifth thread 203, i.e. the thread different from the thread connected with the first thread 7), and then connects the protective joint 12 through the fourth thread 1204 and the third thread 14 on the second connecting drill bit 13, the device is completed, when the second connecting drill bit 13 and the second spiral channel 8 near the second connecting drill bit 13 are worn seriously, the protective joint 12 can be detached, the rear rod 3 can be detached from the connecting cylinder 2, and then the connecting cylinder 2 and the rear rod 3 are connected through the third thread 14 and the first thread 7, the device can then be reused, with the option of using the protective joint 12 according to requirements, which are not described in detail in this description and are known to the person skilled in the art.
although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. electric coal drilling rod, including preceding pole (1) and back pole (3), its characterized in that: one end of the front rod (1) is connected with a connecting cylinder (2), the rear rod (3) and the front rod (1) are connected through the connecting cylinder (2), wherein,
A first spiral channel (4) is arranged on the front rod (1), a first flat groove (5) is formed in the first spiral channel (4), a connector (6) is fixed at one end of the front rod (1), and first threads (7) are arranged on the connector (6);
Be provided with second spiral way (8) on back pole (3), second flat groove (9) have been seted up in second spiral way (8), the one end of back pole (3) is fixed with first connection drill bit (10), be provided with second screw thread (11) on first connection drill bit (10), be connected with on first connection drill bit (10) and protect joint (12), the one end of back pole (3) is fixed with second connection drill bit (13), be provided with third screw thread (14) on second connection drill bit (13).
2. The electric coal drill rod of claim 1, wherein: the connecting cylinder (2) comprises an outer cylinder (201), a connecting groove (202), a fifth thread (203) and a sixth thread (204), the connecting groove (202) is formed in the outer cylinder (201), the fifth thread (203) is arranged in the connecting groove (202), the sixth thread (204) is arranged in the connecting groove (202), and the sizes of the fifth thread (203) and the sixth thread (204) are equal.
3. The electric coal drill rod of claim 2, wherein: the length of the connecting cylinder (2) is greater than the sum of the lengths of the first connecting drill bit (10) and the second connecting drill bit (13), the radius of the connecting groove (202) is equal to the outer diameter of the first connecting drill bit (10), and the connecting head (6) and the connecting cylinder (2) are in threaded connection through a first thread (7) and a fifth thread (203).
4. The electric coal drill rod of claim 1, wherein: the protective joint (12) comprises a connecting outer shell (1201), a buffering head (1202), a connecting hole (1203) and a fourth thread (1204), the buffering head (1202) is fixed at one end of the connecting outer shell (1201), the connecting hole (1203) is formed in the connecting outer shell (1201), and the fourth thread (1204) is arranged in the connecting hole (1203).
5. The electric coal drill rod of claim 4, wherein: the inner diameter of the protection joint (12) is equal to the outer diameter of the first connecting drill bit (10), the inner diameter of the protection joint (12) is equal to the outer diameter of the second connecting drill bit (13), and one end, far away from the connecting shell (1201), of the buffer head (1202) is arc-shaped.
6. the electric coal drill rod of claim 4, wherein: the fourth thread (1204) is matched with the second thread (11), and the fourth thread (1204) is matched with the third thread (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910978089.1A CN110552630A (en) | 2019-10-15 | 2019-10-15 | Electric coal drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910978089.1A CN110552630A (en) | 2019-10-15 | 2019-10-15 | Electric coal drill rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110552630A true CN110552630A (en) | 2019-12-10 |
Family
ID=68742814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910978089.1A Pending CN110552630A (en) | 2019-10-15 | 2019-10-15 | Electric coal drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110552630A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309724A (en) * | 2020-09-29 | 2022-04-12 | 莱克电气绿能科技(苏州)有限公司 | Drill bit assembly and portable electric drill |
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| CN108442891A (en) * | 2018-05-21 | 2018-08-24 | 河南理工大学 | A kind of unsymmetrical section spiral groove drilling rod |
| CN109488221A (en) * | 2018-11-26 | 2019-03-19 | 邹城兖矿泰德工贸有限公司 | Drill pipe for hard rocks |
| CN109882093A (en) * | 2019-03-15 | 2019-06-14 | 邹城兖矿泰德工贸有限公司 | Twist drill rods |
| CN211038534U (en) * | 2019-10-15 | 2020-07-17 | 山东源运通矿山装备科技有限公司 | Electric coal drill rod |
-
2019
- 2019-10-15 CN CN201910978089.1A patent/CN110552630A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203213973U (en) * | 2013-05-13 | 2013-09-25 | 何炳银 | Plug drill rod connecting sleeve |
| CN103742079A (en) * | 2013-12-31 | 2014-04-23 | 徐州徐工基础工程机械有限公司 | Length adjustable spiral bit structure |
| CN203867482U (en) * | 2014-06-11 | 2014-10-08 | 安阳鑫龙煤业（集团）红岭煤业有限责任公司 | Fast cutting type spiral hexagonal anchor cable drill stem |
| CN203961814U (en) * | 2014-06-11 | 2014-11-26 | 徐州恒佳机械科技有限公司 | Jumbolter drilling rod quick-connect machanism |
| CN107939279A (en) * | 2017-12-29 | 2018-04-20 | 江苏省无锡探矿机械总厂有限公司 | For building the spiral drill component of water sample monitoring well |
| CN108301769A (en) * | 2018-01-18 | 2018-07-20 | 北京地矿工程建设有限责任公司 | A kind of RW types horizontal well construction method and its drilling tool used |
| CN108442891A (en) * | 2018-05-21 | 2018-08-24 | 河南理工大学 | A kind of unsymmetrical section spiral groove drilling rod |
| CN109488221A (en) * | 2018-11-26 | 2019-03-19 | 邹城兖矿泰德工贸有限公司 | Drill pipe for hard rocks |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114309724A (en) * | 2020-09-29 | 2022-04-12 | 莱克电气绿能科技(苏州)有限公司 | Drill bit assembly and portable electric drill |
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Effective date of registration: 20211122 Address after: 273500 west of middle section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province Applicant after: ZOUCHENG YANKUANG TAIDE INDUSTRY & TRADE Co.,Ltd. Address before: No.1860, middle section of xiwaihuan Road, Zoucheng City, Jining City, Shandong Province Applicant before: SHANDONG YUANYUNTONG MINING EQUIPMENT SCIENCE AND TECHNOLOGY Co.,Ltd. |
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