CN110017104B - Hollow hexagonal drill rod - Google Patents
Hollow hexagonal drill rod Download PDFInfo
- Publication number
- CN110017104B CN110017104B CN201910347607.XA CN201910347607A CN110017104B CN 110017104 B CN110017104 B CN 110017104B CN 201910347607 A CN201910347607 A CN 201910347607A CN 110017104 B CN110017104 B CN 110017104B
- Authority
- CN
- China
- Prior art keywords
- hollow hexagonal
- connectors
- convex edges
- round
- double
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims description 19
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000005553 drilling Methods 0.000 abstract description 11
- 239000011435 rock Substances 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
-
- 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
- E21B10/00—Drill bits
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
-
- 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
- E21B12/00—Accessories for drilling tools
- E21B12/04—Drill bit protectors
-
- 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
-
- 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
- E21B17/043—Threaded with locking means
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 relates to the technical field of engineering drilling accessories, in particular to a hollow hexagonal drill rod. The hollow hexagonal drill rod comprises a plurality of sections of hollow hexagonal rod bodies and connectors arranged on the front surfaces of the hollow hexagonal rod bodies positioned at the forefront ends, wherein round convex edges are arranged on the outer walls of the front ends and the rear ends of the hollow hexagonal rod bodies, the connectors are cylindrical, internal threads are arranged on the inner walls of the connectors, the outer walls of the rear ends of the connectors are also arranged on the round convex edges, the round convex edges of the rear ends of the connectors are locked with the round convex edges of the front ends of the hollow hexagonal rod bodies through double-end locking mechanisms, the two round convex edges of the contact ends of two adjacent hollow hexagonal rod bodies are also locked through the double-end locking mechanisms, first external threads are arranged on the circumferential side surfaces of the round convex edges, and protection covers are arranged on the two round convex edges locked through the double-end locking mechanisms. The connecting end of the hollow hexagonal drill rod and the drill bit or the rock drilling machine is not easy to fall off after frequent impact, and the tightness is good.
Description
Technical Field
The invention relates to the technical field of engineering drilling accessories, in particular to a hollow hexagonal drill rod.
Background
The drill rod is a tool for connecting a drill bit and a rock drilling machine in a roadway engineering. The drill rod commonly used in mine roadway engineering is a hollow hexagonal drill rod, the starting end of the common hollow hexagonal drill rod is connected with a drill bit or a rock drilling machine through a drilling hole or threads, in the process of drilling deep holes in the drill bit or rock drilling machine in the connecting mode, the threaded connection end is easy to fall off after frequently impacted, the whole drill bit falls off in the drill hole and cannot be taken out, in addition, the hollow hexagonal drill rod is generally of an integral structure with a fixed length, the whole part of the integral hollow hexagonal drill rod needs to be replaced when being damaged, and the part of the hollow hexagonal drill rod is designed into a split structure, but the tightness problem of the split hollow hexagonal drill rod directly influences the quality and performance of the hollow hexagonal drill rod.
Therefore, how to provide a hollow hexagonal drill rod, the connection end of the hollow hexagonal drill rod and a drill bit or a rock drilling machine is not easy to fall off after frequent impact, the damaged part of the rod body is easy to be taken out from a drilled hole, a split structure is adopted, local damage only needs to be replaced, and the hollow hexagonal drill rod is good in sealing performance and fastening performance, so that the problem to be solved by the person skilled in the art is urgent.
Disclosure of Invention
The invention aims to provide the hollow hexagonal drill rod, which overcomes the defects in the prior art, so that the connecting end of the hollow hexagonal drill rod and a drill bit or a rock drilling machine is not easy to fall off after frequent collision, the damaged part of the rod body is easy to take out from a drilled hole, and the hollow hexagonal drill rod adopts a split type structure, only needs to replace the part when being locally damaged, and has good sealing property and fastening property.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a cavity hexagon drill rod, includes the multistage cavity hexagon body of rod that sets gradually from front to back and sets up in the connector that is located the cavity hexagon body of rod front surface of front end, all be provided with the protruding edge of circle on the outer wall of the front end and the rear end of cavity hexagon body of rod, the connector is cylindric, and the inner wall of connector is provided with the internal thread, also sets up on the outer wall of the rear end of connector in the protruding edge of circle, and the protruding edge of circle of connector rear end passes through bi-polar locking mechanism locking with the protruding edge of circle of cavity hexagon body of rod front end, and the protruding edge of two circles of two adjacent cavity hexagon body of rod contact ends also passes through bi-polar locking mechanism locking, all is provided with first external screw thread on the circumference side on the protruding edge of circle, all is provided with the safety cover on the protruding edge of two circles through bi-polar locking mechanism locking.
Further, the double-end locking mechanism comprises a first T-shaped end and a second T-shaped end, the first T-shaped end comprises a first circular plate and a first cylinder which are fixedly connected, the outer wall of the first cylinder is provided with second external threads, the inner wall of the first cylinder is provided with first internal threads, the second T-shaped end comprises a second circular plate and a second round rod, and the outer wall of the second round rod is provided with third external threads matched with the first internal threads; the second T-shaped end is screwed into the first cylinder of the first T-shaped end through the cooperation of the third external thread and the first internal thread.
Further, the length of the first cylinder is equal to the length of the second round rod and is equal to twice the thickness of the round convex edge.
Further, the circular protruding edge is symmetrically provided with a plurality of threaded holes, and the threaded holes are respectively provided with second internal threads matched with second external threads of the double-end locking mechanism.
Furthermore, the first circular plate and the second circular plate are respectively provided with a cross-shaped groove.
Further, the thickness of the protection cover is larger than the sum of the thicknesses of the two circular convex edges, and third internal threads matched with the first external threads on the circumferential side surfaces of the circular convex edges are arranged on the inner wall of the protection cover.
Further, the front end of the circular protruding edge of the connector is also provided with a blocking edge, and the outer diameter of the blocking edge is equal to the outer diameter of the protective cover.
The beneficial effects of the invention are as follows: compared with the prior art, the hollow hexagonal drill rod is ingenious in design, the connecting end of the hollow hexagonal drill rod and a drill bit or a rock drilling machine is not easy to fall off after frequent collision, a damaged part of the rod body is easy to take out from a drilled hole, and the split type structure is adopted, so that local damage is only needed to be replaced, and the tightness are good; in the fastening process, the first T-shaped end 7 is screwed into threaded holes of two adjacent circular protruding edges, the first cylinder of the first T-shaped end forms preliminary fixation on the two circular protruding edges, the second round rod of the second T-shaped end is screwed into the inner cavity of the first cylinder, the first circular plate and the second circular plate form further extrusion fixation on the two circular protruding edges, the protective cover is inserted into one side of the hollow hexagonal rod body after fixed connection, the protective cover is screwed onto the two circular protruding edges fixed together, sealing fastening is further achieved, the protective cover is favorable for reducing the impact force of the double-end locking mechanism when the hollow hexagonal rod receives impact, the hollow hexagonal rod is stable in structure and difficult to fall off, when a certain protective cover is subjected to frequent and large impact, the protective cover cannot fall into a drilled hole under the action of a blocking edge, but can be withdrawn from the drilled hole under the driving of the blocking edge along with the withdrawal of the hollow hexagonal rod body, and the damaged part can be replaced when the hollow hexagonal rod body is stopped.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic enlarged view of the hollow hexagonal rod body and the connector of the present invention;
FIG. 3 is a schematic enlarged view of the structure of the double-ended locking mechanism of the present invention;
FIG. 4 is a schematic enlarged view of the structure of the protective cover of the present invention;
the hollow hexagonal rod body is 1, the connector is 2, the circular protruding edge is 3, the threaded hole is 301, the second internal thread is 302, the double-end locking mechanism is 4, the first external thread is 5, the protective cover is 6, the third internal thread is 601, the first T-shaped end is 7, the first circular plate is 701, the first cylinder is 702, the second external thread is 703, the first internal thread is 704, the second T-shaped end is 8, the second circular plate is 801, the second circular rod is 802, the third external thread is 803, the cross-shaped groove is 9, and the blocking edge is 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In the embodiment shown in fig. 1-4, a hollow hexagonal drill rod comprises a plurality of sections of hollow hexagonal rod bodies 1 and connectors 2, wherein the sections of hollow hexagonal rod bodies 1 are sequentially arranged from front to back, the connectors 2 are arranged on the front surface of the hollow hexagonal rod body 1 positioned at the forefront end, round protruding edges 3 are arranged on the outer walls of the front end and the rear end of the hollow hexagonal rod body 1, the connectors 2 are cylindrical, internal threads are arranged on the inner walls of the connectors 2, the outer walls of the rear ends of the connectors 3 are also arranged on the round protruding edges 3, the round protruding edges 3 at the rear ends of the connectors 2 are locked with the round protruding edges 3 at the front end of the hollow hexagonal rod body 1 through double-end locking mechanisms 4, the two round protruding edges 3 at the contact ends of two adjacent hollow hexagonal rod bodies 1 are also locked through the double-end locking mechanisms 4, first external threads 5 are arranged on the circumferential side surfaces of the round protruding edges 3, and protection covers 6 are arranged on the two round protruding edges 3 locked through the double-end locking mechanisms 4.
In this embodiment, the double-end locking mechanism 4 includes a first "T" shaped end 7 and a second "T" shaped end 8, where the first "T" shaped end 7 includes a first circular plate 701 and a first cylinder 702 that are fixedly connected, a second external thread 703 is provided on an outer wall of the first cylinder 702, a first internal thread 704 is provided on an inner wall of the first cylinder 702, the second "T" shaped end 8 includes a second circular plate 801 and a second circular rod 802, and a third external thread 803 that is matched with the first internal thread 704 is provided on an outer wall of the second circular rod 802; the second "T" shaped end 8 is screwed into the first cylinder 702 of the first "T" shaped end 7 by the cooperation of the third external thread 803 and the first internal thread 704. The length of the first cylinder 702 is equal to the length of the second round bar 802 and is equal to twice the thickness of the circular flange 3. The circular protruding edges 3 are symmetrically provided with a plurality of threaded holes 301, and second internal threads 302 matched with second external threads 703 of the double-end locking mechanism 4 are arranged in the threaded holes 301. The first circular plate 701 and the second circular plate 801 are both provided with a cross-shaped groove 9.
In this embodiment, the thickness of the protecting cover 6 is greater than the sum of the thicknesses of the two circular protruding edges 3, and the inner walls of the protecting cover 6 are provided with third internal threads 601 which are matched with the first external threads 5 on the circumferential side surfaces of the circular protruding edges 3. The front end of the circular convex edge 3 of the connector 2 is also provided with a blocking edge 10, and the outer diameter of the blocking edge 10 is equal to the outer diameter of the protective cover 6.
Working principle: according to the hollow hexagonal drill rod disclosed by the invention, the hollow hexagonal rod bodies 1 and the connector 2 are tightly and fixedly connected through the double-end locking mechanism 4, in the fastening process, the first T-shaped end 7 is screwed into the threaded holes 301 of the two adjacent round convex edges 3, the first cylinder 702 of the first T-shaped end 7 forms preliminary fixation on the two round convex edges, the second round rod 802 of the second T-shaped end 8 is screwed into the inner cavity of the first cylinder 702, the first circular plate 701 and the second circular plate 801 form further extrusion fixation on the two round convex edges, the protective cover 6 is inserted into one side of the hollow hexagonal rod body 1 after the connection is fixedly, the protective cover 6 is screwed onto the two round convex edges 3 fixed together, the sealing fastening is further realized, the protective cover 6 is favorable for relieving the impact force of the double-end locking mechanism 4 when the hollow hexagonal drill rod receives impact, the hollow hexagonal drill rod structure is stable, the phenomenon that a drill bit falls off is not easy to happen, when a certain protective cover 6 is subjected to the impact and falls off, the protective cover is prevented from falling off from the hollow hexagonal drill rod body 10 under the action of the condition that the hollow hexagonal drill rod body 10 is prevented from falling into the hollow hexagonal drill rod body 10 along with the change of the hollow hexagonal drill rod body 10, and the hollow hexagonal drill rod body is prevented from falling down along with the hollow drill hole 10.
The foregoing embodiments are merely examples of the present invention, and the scope of the present invention includes, but is not limited to, the forms and styles of the foregoing embodiments, and any suitable changes or modifications made by those skilled in the art, which are consistent with the claims of the present invention, shall fall within the scope of the present invention.
Claims (1)
1. The utility model provides a cavity hexagon drill rod, this cavity hexagon drill rod adopts split type structure, its characterized in that:
the novel protective cover comprises a plurality of sections of hollow hexagonal rod bodies and connectors, wherein the sections of hollow hexagonal rod bodies are sequentially arranged from front to back, the connectors are arranged on the front surface of the hollow hexagonal rod body positioned at the forefront end, circular convex edges are arranged on the outer walls of the front end and the rear end of the hollow hexagonal rod body, the connectors are cylindrical, internal threads are arranged on the inner walls of the connectors, blocking edges are further arranged at the front ends of the circular convex edges of the connectors, and the outer diameters of the blocking edges are equal to the outer diameters of the protective cover; the outer wall of the rear end of the connector is also provided with a circular convex edge, the circular convex edge of the rear end of the connector is locked with the circular convex edge of the front end of the hollow hexagonal rod body through a double-end locking mechanism, the two circular convex edges of the contact ends of the two adjacent hollow hexagonal rod bodies are also locked through the double-end locking mechanism, the circumferential side surfaces of the circular convex edges are provided with first external threads, and the two circular convex edges locked through the double-end locking mechanism are provided with protective covers;
the double-end locking mechanism comprises a first T-shaped end and a second T-shaped end, the first T-shaped end comprises a first circular plate and a first cylinder which are fixedly connected, the outer wall of the first cylinder is provided with second external threads, the inner wall of the first cylinder is provided with first internal threads, the second T-shaped end comprises a second circular plate and a second round rod, and the outer wall of the second round rod is provided with third external threads matched with the first internal threads; the second T-shaped end is screwed into the first cylinder of the first T-shaped end through the cooperation of the third external thread and the first internal thread, the length of the first cylinder is equal to the length of the second round rod and is equal to twice the thickness of the round convex edge, a plurality of threaded holes are symmetrically formed in the round convex edge, second internal threads matched with the second external thread of the double-end locking mechanism are arranged in the threaded holes, cross grooves are formed in the first circular plate and the second circular plate, the thickness of the protective cover is larger than the sum of the thicknesses of the two round convex edges, and third internal threads matched with the first external threads on the circumferential side faces of the round convex edges are arranged on the inner wall of the protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910347607.XA CN110017104B (en) | 2019-04-28 | 2019-04-28 | Hollow hexagonal drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910347607.XA CN110017104B (en) | 2019-04-28 | 2019-04-28 | Hollow hexagonal drill rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110017104A CN110017104A (en) | 2019-07-16 |
| CN110017104B true CN110017104B (en) | 2023-08-01 |
Family
ID=67192638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910347607.XA Active CN110017104B (en) | 2019-04-28 | 2019-04-28 | Hollow hexagonal drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110017104B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2263195Y (en) * | 1996-01-12 | 1997-09-24 | 江汉石油管理局第四机械厂 | Cross key flanged drilling rod joint |
| CN2403941Y (en) * | 2000-01-14 | 2000-11-01 | 王卫东 | Locking bolt |
| CN101050704B (en) * | 2007-05-01 | 2011-02-02 | 冀太平 | Hydraulic crushing hammer drill rod |
| CN201810221U (en) * | 2010-10-18 | 2011-04-27 | 何大鹏 | Buckle type drill rod connector |
| CN206205803U (en) * | 2016-11-17 | 2017-05-31 | 东营市金亿来石油机械有限公司 | A kind of hollow rod for setting attachment structure certainly |
| CN208535416U (en) * | 2018-06-22 | 2019-02-22 | 天津丰联管业有限公司 | A kind of irrigation vinyl tube docking clamp device |
-
2019
- 2019-04-28 CN CN201910347607.XA patent/CN110017104B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110017104A (en) | 2019-07-16 |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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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, Jinan City, Shandong Province Patentee before: ZOUCHENG YANKUANG TAIDE INDUSTRY & TRADE Co.,Ltd. |