CN110344771B - Anchor rope anchor rod drill bit - Google Patents
Anchor rope anchor rod drill bit Download PDFInfo
- Publication number
- CN110344771B CN110344771B CN201910763823.2A CN201910763823A CN110344771B CN 110344771 B CN110344771 B CN 110344771B CN 201910763823 A CN201910763823 A CN 201910763823A CN 110344771 B CN110344771 B CN 110344771B
- Authority
- CN
- China
- Prior art keywords
- drill
- drill bit
- rod
- base body
- groove
- 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.)
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Links
- 238000005553 drilling Methods 0.000 claims abstract description 34
- 239000011159 matrix material Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000007921 spray Substances 0.000 claims description 7
- 239000011435 rock Substances 0.000 claims description 6
- 239000012634 fragment Substances 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 description 12
- 238000005457 optimization Methods 0.000 description 8
- 229910003460 diamond Inorganic materials 0.000 description 6
- 239000010432 diamond Substances 0.000 description 6
- 239000002131 composite material Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 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
- 230000002035 prolonged effect 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
- E21B10/003—Drill bits with cutting edges facing in opposite axial directions
-
- 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
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
-
- 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type 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
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention relates to the field of drilling, in particular to an anchor rope anchor rod drill bit. Including outer drill bit, interior drill bit and driven drill collar, outer drill bit includes outer drilling rod and drill bit base member, be provided with four connecting rods between outer drilling rod and the drill bit base member, rotate on the connecting rod and be connected with the gear, the inside from the top down of drill bit base member has set gradually spacing groove, rotate groove and face groove, interior drill bit includes interior drilling rod and face base member, face base member fixed connection is at the end of interior drilling rod, interior drilling rod rotates to be connected in outer drilling rod, the face base member rotates to be connected in the face inslot, the upper surface of face base member is provided with down the meshing tooth, driven drill collar includes drill collar base member and spacing ring, fixedly connected with rotation post between drill collar base member and the spacing ring, rotation post rotates to be connected in the rotation inslot, the spacing ring rotates to be connected in the spacing inslot, the lower surface of spacing ring is provided with the meshing tooth, go up meshing tooth and lower meshing tooth all with gear engagement. The drill bit drills smoothly, the drilling efficiency is improved, and economic benefits are brought.
Description
Technical Field
The invention relates to the field of drilling, in particular to an anchor rope anchor rod drill bit.
Background
The anchor rod is the most basic component part of roadway support in contemporary coal mines, and the anchor rod drill bit is a drilling tool used for fixing the anchor rod in the coal mines. The tunnel of railway tunnel, colliery is usually supported through the stock, therefore, high-efficient, quick, stable performance's stock drill bit plays important role, and the efficiency and the drilling cost of drilling are directly related to the quality of drill bit. In order to improve the working efficiency and ensure the drilling quality, the requirements on the anchor rod drill bit are also higher and higher.
The Chinese patent diamond anchor rod drill bit with the publication number of CN202970490U comprises a threaded rod and a drill bit body connected with the threaded rod, wherein the threaded rod is provided with a circular water inlet, a left wing seat and a right wing seat are arranged on the drill bit body, the left wing seat and the right wing seat are radially symmetrically distributed on the drill bit body and are opposite in direction, a circular upper water outlet and two side water outlets are arranged between the left wing seat and the right wing seat, the water inlet is communicated with the upper water outlet and the side water outlets, diamond composite sheets are respectively welded on the left wing seat and the right wing seat, the diamond composite sheets are arc-shaped, two slag discharging grooves which are radially symmetrically distributed and are opposite in direction are arranged on the drill bit body, and the slag discharging grooves are oblique.
However, in practical use, it is found that the rock chips on the inner wall of the drill hole are very serious in abrasion to the drill bit matrix of the rock drill, meanwhile, impact is generated on the drill bit matrix in the chip removal process, the drill bit is not smooth when exiting the drill hole, the phenomenon that the drill bit is clamped or even broken in the drill hole easily occurs, the subsequent drilling work is affected, the construction period is prolonged, and certain economic loss is further brought.
Disclosure of Invention
In order to overcome the defects, the invention provides an anchor rope anchor rod drill bit.
The technical scheme adopted for solving the technical problems is as follows: the anchor rope anchor rod drill bit comprises an outer drill bit, an inner drill bit and a driven drill collar, wherein the outer drill bit comprises an outer drill rod and a drill bit matrix, the drill bit matrix is hollow, the outer drill rod is located inside the drill bit matrix, four connecting rods are arranged between the outer drill rod and the drill bit matrix, two ends of each connecting rod are fixedly connected with the outer drill rod and the drill bit matrix respectively, gears are rotatably connected onto the connecting rods, a limit groove, a rotary groove and a drill face groove are sequentially formed in the drill bit matrix from top to bottom, the inner drill bit comprises an inner drill rod and the drill face matrix, the drill face matrix is fixedly connected to the tail end of the inner drill rod, the inner drill rod is rotatably connected into the outer drill rod, the drill face matrix is rotatably connected into the drill face groove, lower meshing teeth are arranged on the upper surface of the drill face matrix, the driven drill collar comprises a drill collar matrix and a limit ring, rotary column is fixedly connected between the drill collar matrix and the limit ring, the driven drill collar is rotatably connected into the rotary groove, and the limit ring is rotatably connected into the limit groove, and the lower surface of the limit ring is provided with the upper surface of the gear and the lower meshing teeth are meshed with the lower meshing teeth.
As optimization, a plurality of evenly distributed cutting blades are arranged in the circumferential direction of the drill bit matrix, and each cutting blade is provided with a plurality of diamond composite sheets.
As optimization, the downside of the drilling surface matrix is provided with a plurality of evenly distributed drilling teeth, and anti-blocking spray heads are arranged between the two drilling teeth.
As optimization, the middle of the inner drill rod is provided with a water passing channel, and each anti-blocking spray head is communicated with the water passing channel.
As optimization, a plurality of evenly distributed reverse blades are arranged in the circumferential direction of the drill collar matrix.
As the optimization, a plurality of arc water drainage grooves are formed in the bottom surface of the drilling surface base body, and the arc water drainage grooves are designed to enable water sprayed out of the anti-blocking spray head to be discharged better, so that small eddies are formed, and the drill bit base body is cleaned.
As optimization, the limiting groove, the rotating groove and the drilling surface groove are respectively provided with an oil seal ring, so that the sealing performance of the joint is better.
As optimization, the rotating speed of the inner drill rod is smaller than that of the outer drill rod, so that the service life of the driven drill collar is longer, and rock fragments in a drilled hole can be discharged better.
As optimization, lubricating oil is arranged between the inner drill rod and the outer drill rod, so that the rotation is smoother.
The beneficial effects of the invention are as follows: the anchor rope anchor rod drill bit provided by the invention divides the traditional anchor rod drill bit into the inner drill bit, the outer drill bit and the driven drill collar, the inner drill rod rotates to drive the drill face substrate to rotate, so that the gear is driven to rotate, the drill collar substrate is further reversely rotated, the outer drill rod rotates to drive the drill bit substrate and the inner structure to integrally rotate, the abrasion of rock fragments on the inner wall of a drill hole to the drill bit substrate is reduced, the drill bit is smoother when exiting the drill hole, the drill bit is not easy to be blocked, the drill bit is prevented from being broken in the drill hole, the drilling efficiency can be improved, the drilling process is accelerated, and certain economic benefits are brought.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic elevational cross-sectional view of the present invention;
FIG. 3 is a schematic view of an outer drill bit of the present invention;
FIG. 4 is a schematic top cross-sectional view of an outer drill bit of the present invention;
FIG. 5 is a schematic view of a driven drill collar of the present invention;
Fig. 6 is a schematic view of an inner drill bit of the present invention.
Wherein, 1, an outer drill bit, 2, a driven drill collar, 3, an inner drill bit, 101, an outer drill rod, 102, a drill bit matrix, 103, a cutting blade, 104, a diamond compact, 105, a connecting rod, 106, a gear, 107, a limit groove, 108, a rotating groove, 109 and a drilling surface groove, 201, drill collar base body, 202, rotary column, 203, limiting ring, 204, reverse blade, 205, upper meshing teeth, 301, drill face base body, 302, inner drill rod, 303, water channel, 304, lower meshing teeth, 305, anti-blocking spray head, 306, drilling teeth, 307 and arc drainage channel.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, 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, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
The anchor bolt drill bit shown in fig. 1-6 comprises an outer drill bit 1, an inner drill bit 3 and a driven drill collar 2, wherein the outer drill bit 1 comprises an outer drill rod 4 and a drill bit base 102, the drill bit base 102 is arranged in a hollow mode, the outer drill rod 4 is located inside the drill bit base 102, four connecting rods 105 are arranged between the outer drill rod 4 and the drill bit base 102, two ends of each connecting rod 105 are fixedly connected with the outer drill rod 4 and the drill bit base 102 respectively, a gear 106 is rotatably connected to the connecting rods 105, a limiting groove 107, a rotating groove 108 and a drill bit groove 109 are sequentially formed in the drill bit base 102 from top to bottom, the inner drill bit 3 comprises an inner drill rod 302 and a drill bit base 301, the drill bit base 301 is fixedly connected to the tail end of the inner drill rod 302, the inner drill rod 302 is rotatably connected in the outer drill rod 4, lower meshing teeth 304 are arranged on the upper surface of the drill bit base 301, the driven drill collar 2 comprises a drill collar base 201 and a limiting ring 203, a limiting ring 201 and a limiting ring 203 are rotatably connected to the inner drill bit base 205, the driven drill collar 2 is rotatably meshed with the upper surface of the gear 203, and the lower meshing teeth 203 are rotatably meshed with the upper teeth 203, and the upper surface of the inner drill bit 203 is rotatably meshed with the upper teeth 205 and the lower meshing with the lower teeth 203.
In this embodiment, a plurality of evenly distributed cutting blades 103 are disposed in the circumferential direction of the drill bit matrix 102, and a plurality of diamond compacts 104 are disposed on each cutting blade 103.
In this embodiment, a plurality of evenly distributed drilling teeth 306 are disposed on the lower side of the drilling surface base 301, and anti-blocking nozzles 305 are disposed between two drilling teeth 306.
In this embodiment, a water passing channel 303 is disposed in the middle of the inner drill rod 302, and each anti-blocking nozzle 305 is communicated with the water passing channel 303.
In this embodiment, the drill collar 201 is provided with a plurality of evenly distributed reverse blades 204 in the circumferential direction.
In this embodiment, the bottom surface of the drilling surface substrate 301 is provided with a plurality of arc-shaped drainage grooves 307, and the arc-shaped drainage grooves 307 are designed to better drain the water sprayed from the anti-blocking nozzle 305, so as to form small eddies, and clean the drill bit substrate 102.
In this embodiment, oil seal rings are disposed in the limiting groove 107, the rotating groove 108 and the drilling surface groove 109, so that the sealing performance of the joint is better.
In this embodiment, the rotational speed of the inner drill rod 302 is less than that of the outer drill rod 4, so that the service life of the driven drill collar 2 is longer, and rock fragments in the drilled hole can be better discharged.
In this embodiment, lubricating oil is provided between the inner drill rod 302 and the outer drill rod 4, so that the rotation is smoother.
Working principle: according to the anchor rope anchor rod drill bit provided by the invention, the inner drill rod 302 rotates to drive the drill face substrate 301 to rotate, the gear 106 is driven to rotate due to the fact that the lower meshing teeth 304 are arranged on the drill face substrate 301, the drill collar substrate 201 is reversely rotated due to the fact that the upper meshing teeth 205 are arranged on the toothed collar substrate, the outer drill rod 4 rotates to drive the drill bit substrate 102 and the inner structure to integrally rotate, water is injected into the water channel 303, water is sprayed out from the anti-blocking spray head 305, small vortex is formed under the action of the arc-shaped water drainage groove 307, and the drill bit substrate 102 can be cleaned.
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 (8)
1. Anchor rope stock drill bit, its characterized in that: the automatic drilling machine comprises an outer drill bit, an inner drill bit and a driven drill collar, wherein the outer drill bit comprises an outer drill rod and a drill bit base body, the drill bit base body is arranged in a hollow mode, the outer drill rod is located inside the drill bit base body, four connecting rods are arranged between the outer drill rod and the drill bit base body, two ends of each connecting rod are fixedly connected with the outer drill rod and the drill bit base body respectively, gears are rotatably connected to the connecting rods, a limit groove, a rotary groove and a drill face groove are sequentially formed in the drill bit base body from top to bottom, the inner drill bit comprises an inner drill rod and a drill face base body, the drill face base body is fixedly connected to the tail end of the inner drill rod, the inner drill rod is rotatably connected to the outer drill rod, the drill face base body is rotatably connected to the drill face groove, lower meshing teeth are arranged on the upper surface of the drill face base body, the driven drill collar comprises a drill collar base body and a limit ring, rotary column is fixedly connected between the drill collar base body and the limit ring, the driven drill ring is rotatably connected to the outer drill rod in the rotary groove, the limit groove is rotatably connected to the limit groove, and the lower surface of the limit ring is provided with upper meshing teeth and lower meshing teeth are meshed with the upper meshing teeth and lower meshing teeth. The circumference direction of the drill bit matrix is provided with a plurality of evenly distributed cutting blades.
2. The anchor bolt drill bit of claim 1, wherein: the lower side of the drilling surface matrix is provided with a plurality of evenly distributed drilling teeth, and anti-blocking spray heads are arranged between the two drilling teeth.
3. The anchor bolt drill bit of claim 2, wherein: the middle of the inner drill rod is provided with a water passing channel, and each anti-blocking spray head is communicated with the water passing channel.
4. A cable bolt drill bit according to claim 3, wherein: the circumference direction of the drill collar matrix is provided with a plurality of evenly distributed reverse blades.
5. The anchor bolt drill bit of claim 4, wherein: the bottom surface of the drilling surface base body is provided with a plurality of arc-shaped drainage grooves.
6. The anchor bolt drill bit of claim 5, wherein: and oil sealing rings are arranged in the limiting groove, the rotating groove and the drilling surface groove.
7. The anchor bolt drill bit of claim 6, wherein: the rotating speed of the inner drill rod is smaller than that of the outer drill rod, so that the service life of the driven drill collar is longer, and rock fragments in a drilled hole can be discharged better.
8. The anchor bolt drill bit of claim 7, wherein: lubricating oil is arranged between the inner drill rod and the outer drill rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910763823.2A CN110344771B (en) | 2019-08-19 | 2019-08-19 | Anchor rope anchor rod drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910763823.2A CN110344771B (en) | 2019-08-19 | 2019-08-19 | Anchor rope anchor rod drill bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110344771A CN110344771A (en) | 2019-10-18 |
| CN110344771B true CN110344771B (en) | 2024-08-16 |
Family
ID=68180760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910763823.2A Active CN110344771B (en) | 2019-08-19 | 2019-08-19 | Anchor rope anchor rod drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110344771B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210598833U (en) * | 2019-08-19 | 2020-05-22 | 山东源运通矿山装备科技有限公司 | Novel anchor cable and anchor rod drill bit |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5904213A (en) * | 1995-10-10 | 1999-05-18 | Camco International (Uk) Limited | Rotary drill bits |
| WO2009146096A1 (en) * | 2008-04-04 | 2009-12-03 | Baker Hughes Incorporated | Rotary drill bits and drilling tools having protective structures on longitudinally trailing surfaces |
| US8985244B2 (en) * | 2010-01-18 | 2015-03-24 | Baker Hughes Incorporated | Downhole tools having features for reducing balling and methods of forming such tools |
| CN104314473B (en) * | 2014-08-27 | 2017-09-05 | 西南石油大学 | The PDC drill bit instrument of eccentric swing rotation can be achieved |
| CN105822228A (en) * | 2016-03-25 | 2016-08-03 | 柳超 | Double-speed variable-torque drill bit for drilling deep well |
| CN105863511A (en) * | 2016-04-22 | 2016-08-17 | 柳超 | Directional drilling executing mechanism based on three-speed drill bit |
| CN108661049B (en) * | 2017-03-28 | 2024-02-13 | 周兆弟 | High-efficiency stirring drill bit |
-
2019
- 2019-08-19 CN CN201910763823.2A patent/CN110344771B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210598833U (en) * | 2019-08-19 | 2020-05-22 | 山东源运通矿山装备科技有限公司 | Novel anchor cable and anchor rod drill bit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110344771A (en) | 2019-10-18 |
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| PB01 | Publication | ||
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| 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: 20211118 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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| TA01 | Transfer of patent application right | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: 272000 West Section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province Applicant after: Shandong Yanneng Taide Heavy Industry Co.,Ltd. Address before: 273500 west of middle section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province Applicant before: ZOUCHENG YANKUANG TAIDE INDUSTRY & TRADE Co.,Ltd. Country or region before: China |
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