CN106050149B - Spiral tooth step bottom spraying type diamond drill bit - Google Patents
Spiral tooth step bottom spraying type diamond drill bit Download PDFInfo
- Publication number
- CN106050149B CN106050149B CN201610600213.7A CN201610600213A CN106050149B CN 106050149 B CN106050149 B CN 106050149B CN 201610600213 A CN201610600213 A CN 201610600213A CN 106050149 B CN106050149 B CN 106050149B
- Authority
- CN
- China
- Prior art keywords
- diamond
- drill bit
- steel body
- working layers
- tooth
- 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
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 74
- 239000010432 diamond Substances 0.000 title claims abstract description 74
- 238000005507 spraying Methods 0.000 title claims abstract description 12
- 238000005553 drilling Methods 0.000 claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 239000011435 rock Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims description 15
- 230000008676 import Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000002519 antifouling agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
-
- 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
- E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
-
- 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
- E21B10/605—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a core-bit
-
- 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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a spiral tooth stepped bottom spraying type diamond drill bit, which comprises a drill bit steel body and a diamond working layer arranged at the end part of the drill bit steel body, wherein the drill bit steel body is of a tubular structure as a whole, the diamond working layer is arranged at the pipe end of the drill bit steel body and is of a cone structure as a whole, a rock core inlet is formed in the conical end of the diamond working layer, a positive spiral sector block is arranged on the surface of the diamond working layer where a generating line is located, a plurality of sector blocks are arranged at intervals along the circumferential direction of the diamond working layer, the total projection area of the sector blocks is smaller than 40% of the projection area of the bottom of the drill bit, a sector groove is formed between the sector blocks, a water spraying hole is formed in the bottom of the sector groove, the water spraying hole is communicated with a pipe cavity of the drill bit. In a word, the spiral tooth step bottom spraying type diamond drill bit has the advantages of high drilling efficiency, long service life of the drill bit and the like.
Description
Technical field
The utility model relates to geological core drilling technical fields, also can be used for petroleum, gas drilling core drilling neck
A kind of domain, and in particular to helical tooth ladder bottom-spray type diamond bit.
Background technique
During geological core drilling, generally mostly small-bore probing mode, the diamond coring bit of probing
Lip it is generally relatively thin, for lip thickness generally in 10~15mm, the drilling of diamond coring bit mostly uses high revolving speed, small pressure, low
The drilling parameter of pump amount.And for major diameter diamond drilling, drilling is using the slow-speed of revolution, big pressure, big pump amount parameter, gold
Hard rock core bit lip is relatively thick, and generally in 30mm or more, the lip of the diamond bit of traditional approach contacts rock face
Product is excessive, needs when drilling plus very big bit pressure, is just able to satisfy and gram takes rock requirement.However, the pressure of drill bit increases, drill string is turned round
Square just will increase, drilling rod frangibility；Under the conditions of the slow-speed of revolution, detritus low efficiency；Drill bit lip wall thickness simultaneously, drill bit bottom lip center
Often water flowing is unsmooth at position, easily causes the micro- burning of diamond, carbonization, and drilling life of bit is lower.Therefore, traditional major-diameter thick-wall
There are many deficiencies in probing for diamond bit lip configurations.
Utility model content
The purpose of this utility model is: providing a kind of helical tooth ladder bottom-spray type diamond bit, can reduce drill bit work
Make layer bottom labial surface product, improve detritus efficiency, extends drilling life of bit.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
Including drilling bit steel body and the Buddha's warrior attendant lapicide of drilling bit steel body end is arranged in helical tooth ladder bottom-spray type diamond bit
Make layer, drilling bit steel body is whole in tubular construction, and the pipe end of drilling bit steel body and entirety is arranged in cone shape in diamond working layers
Structure, the tapered end of diamond working layers offer rock core import, and the bus of diamond working layers is provided with fan on the whole
Shape block, the sectorial block is multiple along the circumferential direction interval setting of diamond working layers, is formed between sectorial block and sectorial block
The groove width size of scalloped recess, adjacent scalloped recess is different, and the slot bottom of scalloped recess is provided with hole for water spraying, hole for water spraying and drill steel
The lumen of body is connected to, and the notch both ends of scalloped recess are respectively directed to the outer wall of rock core import and diamond working layers.
The utility model is also equipped with following characteristics:
Multiple sectorial blocks are integrally in that rotation is penetrated in the outside wall surface where shape is arranged in the bus of diamond working layers, scalloped recess
Notch both ends be respectively arranged with interior sink and external flume, interior sink and external flume are arc groove, the slot of interior sink and external flume
Length direction is parallel with diamond working layers axial direction.
Ring tooth is provided on the sectorial block, the ring tooth is arc-shaped structure, and the center of circle of ring tooth is diamond
The tube core of working lining, ring tooth are arranged at intervals with multiple along the length direction of sectorial block.
The cone angle of the diamond working layers is 150 °.
The depth of the scalloped recess is 30mm.
The a height of 10mm of the tooth of ring tooth, the tooth top thickness of ring tooth are 2~3mm, and the spacing of adjacent annular tooth is 5mm.
Compared with the prior art, the beneficial effects of the utility model are embodied in: the working lining area of diamond bit occupies
Area is small, increases drilling than pressure, has and utilizes raising drilling efficiency；Conic steps increase fractured rock free gram takes face,
And there is correcting, anti-hole deviation performance；Right-handed screw sectorial block and cyclic annular toothing is arranged in working lining, and drilling resistance is small, and drill bit can be certainly
It is good to grind sword, shearing-crushing rock effect；Diamond bit lip is designed using scalloped recess and central water spray hole, improves brill
Lip into process diamond bit arranges powder, cooling performance, this helical tooth ladder bottom-spray type diamond bit has detritus in a word
High-efficient, the advantages that service life is long.
Detailed description of the invention
Fig. 1 is the sectional view of helical tooth ladder bottom-spray type diamond bit；
Fig. 2 is the end view drawing of helical tooth ladder bottom-spray type diamond bit.
Specific embodiment
The utility model is further described combined with Figure 1 and Figure 2:
Including drilling bit steel body 10 and the Buddha's warrior attendant of 10 end of drilling bit steel body is arranged in helical tooth ladder bottom-spray type diamond bit
Stone working lining 20, drilling bit steel body 10 is whole in tubular construction, and the pipe end of drilling bit steel body 10 and whole is arranged in diamond working layers 20
Body is in cone shape structure, and the cone-shaped end of diamond working layers 20 offers rock core import 22, the mother of diamond working layers 20
Line is provided with sectorial block 21 on the whole, and the sectorial block 21 is more along the circumferential direction interval setting of diamond working layers 20
It is a, scalloped recess 23 is formed between sectorial block 21 and sectorial block 21, the groove width size of adjacent scalloped recess 23 is different, scalloped recess
23 slot bottom is provided with hole for water spraying 231, and hole for water spraying 231 is connected to the lumen of drilling bit steel body 10, the notch both ends of scalloped recess 23
It is respectively directed to the outer wall of rock core import 22 and diamond working layers 20.
The working lining area area occupied of diamond working layers 20 is small, only about accounts for the 40% of drill bit bottom lip projected area,
Drilling is increased than pressure, has and utilizes raising detritus efficiency；Conic steps increase fractured rock free gram takes face, and has and lead
Just, anti-hole deviation performance；Right-handed screw sectorial block 21 is arranged in working lining, and drilling resistance is small, and shearing-crushing rock effect is good；Buddha's warrior attendant lapicide
Make 20 lip of layer to design using scalloped recess 23 and central water spray hole 231, improves the lip of drilling process diamond bit 10
Powder, cooling performance are arranged, this helical tooth ladder bottom-spray type diamond bit has many advantages, such as that detritus is high-efficient, the service life is long in a word；
The connection of drilling bit steel body 10 and diamond working layers 20, and then by diamond working layers by way of hot pressed sintering
20 are fixedly arranged on the lower pipe end of drilling bit steel body 10.
It as a preferred embodiment of the present invention, is the cooling, the row's powder effect that further enhance diamond working layers 20, it is more
A sectorial block 21 is whole to be penetrated in the outside wall surface where shape is arranged in the bus of diamond working layers 20 in rotation, the slot of scalloped recess 23
Mouthful both ends are respectively arranged with interior sink 232 and external flume 233, and interior sink 232 and external flume 233 are arc groove, interior sink 232 and
The flute length direction of external flume 233 is parallel with 20 axial direction of diamond working layers, and the depth of the scalloped recess 23 is 30mm.To
Drilling bit steel body 10 is passed through high pressure water, and generates high-speed jet in the working face of diamond working layers 20, so as to enhance diamond
The cooling of working lining 20, row's powder effect.
Further preferred embodiment is provided with ring tooth 211 in the plate face of the sectorial block 21, and the ring tooth 211 is
Arc-shaped structure, the center of circle of ring tooth 211 are the tube core of diamond working layers 20, ring tooth 211 along sectorial block 21 length
Direction is arranged at intervals with multiple, increases diamond working layers 20 from grinding sword and shearing-crushing rock ability
The cone angle R of the diamond working layers 20 is 150 °, and main increases by 20 grams of diamond working layers and take rock free
Face and the anti-oblique effect of correcting, sectorial block right-handed screw angle r is 30 °, to reduce the drilling resistance of diamond working layers 20.
In concrete application, 20 working lining ladder sectorial block 21 of diamond working layers, in 20 bottom lip circumference of diamond working layers
The width of rebate parameter of distributed quantity and scalloped recess 23 determines on face, depending on 20 bottom lip internal-and external diameter size of diamond working layers
Fixed, 20 floor space of diamond working layers of design is less than the 40% of diamond bit bottom lip total projection area.
In concrete application, the parameter of 21 bottom surface of ladder sectorial block, the ring tooth 211 of concentric circles is determined, the tooth of ring tooth 211
A height of 10mm, the tooth top thickness of ring tooth 211 are 2~3mm, and the spacing of adjacent annular tooth 211 is 5mm.
Helical tooth ladder bottom-spray type diamond bit manufacturing process step are as follows:
Drill bit structure designs specific size, and processing drill steel body 10 bores hole for water spraying 231, mills inside and outside sink 232,233；
Drilling bit steel body 10 is cleaned after forming with dilute acid soln, removes grease stain and rust, drying；
Specific size is designed by drill bit structure, processes diamond working layers graphite jig；
10 lip installation mold of drilling bit steel body, and assemble diamond working layers mold；
Preparing metal powder and diamond mixture；
Mixture is loaded in mold, is compacted；
The mold after expecting will be loaded and steel body is placed in hot-press sintering equipment, carries out heating hot pressed sintering；
It after hot-forming, keeps the temperature, move back mould；
The specification screw thread that forming drill reconditioning, processing and basket match sprays protective paint, out product.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (2)
1. helical tooth ladder bottom-spray type diamond bit, it is characterised in that: including drilling bit steel body (10) and be arranged in drilling bit steel body
(10) diamond working layers (20) of end, drilling bit steel body (10) is whole in tubular construction, and diamond working layers (20) setting exists
The pipe end of drilling bit steel body (10) and it is whole be in cone shape structure, the cone-shaped end of diamond working layers (20) offer rock core into
Mouth (22), the bus of diamond working layers (20) are provided with sectorial block (21) on the whole, and the sectorial block (21) is along Buddha's warrior attendant
The circumferential direction interval setting of stone working lining (20) is multiple, forms scalloped recess between sectorial block (21) and sectorial block (21)
(23), the slot bottom of scalloped recess (23) is provided with hole for water spraying (231), and hole for water spraying (231) is connected to the lumen of drilling bit steel body (10),
The notch both ends of scalloped recess (23) are respectively directed to the outer wall of rock core import (22) and diamond working layers (20), and adjacent sector is recessed
The groove width size of slot (23) is different；
Sectorial block (21) the right-handed screw angle r is 30 °；
The depth of the scalloped recess (23) is 30mm；
It is provided with ring tooth (211) on the sectorial block (21), the ring tooth (211) is arc-shaped structure, ring tooth (211)
The center of circle be diamond working layers (20) tube core, ring tooth (211) is arranged at intervals with along the length direction of sectorial block (21)
It is multiple；
The a height of 10mm of tooth of ring tooth (211), the tooth top thickness of ring tooth (211) are 2~3mm, the spacing of adjacent annular tooth (211)
For 5mm；
Multiple sectorial blocks (21) are integrally penetrated in the outside wall surface where shape is arranged in the bus of diamond working layers (20) in rotation, fan-shaped
The notch both ends of groove (23) are respectively arranged with interior sink (232) and external flume (233), interior sink (232) and external flume (233)
For arc groove, the flute length direction of interior sink (232) and external flume (233) is parallel with diamond working layers (20) axial direction.
2. helical tooth ladder bottom-spray type diamond bit according to claim 1, it is characterised in that: the diamond work
The cone angle of layer (20) is 150 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610600213.7A CN106050149B (en) | 2016-07-27 | 2016-07-27 | Spiral tooth step bottom spraying type diamond drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610600213.7A CN106050149B (en) | 2016-07-27 | 2016-07-27 | Spiral tooth step bottom spraying type diamond drill bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106050149A CN106050149A (en) | 2016-10-26 |
| CN106050149B true CN106050149B (en) | 2019-01-04 |
Family
ID=57418623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610600213.7A Active CN106050149B (en) | 2016-07-27 | 2016-07-27 | Spiral tooth step bottom spraying type diamond drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106050149B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108915600B (en) * | 2018-08-23 | 2024-01-12 | 福清市福钻地质装备有限公司 | A cross-tooth diamond drill bit and its manufacturing method |
| CN110284831B (en) * | 2019-06-19 | 2021-01-15 | 江门市新会区泰盛石场有限公司 | Down-the-hole drill with cooling function for mineral exploitation |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191405302A (en) * | 1913-03-06 | 1914-12-10 | Nl Mij Tot Het Verrichten Van | Improvements in and relating to Bits for Hollow Drills i.e., Core Drills. |
| US3095935A (en) * | 1958-09-25 | 1963-07-02 | Jersey Prod Res Co | Coring bit |
| US8459381B2 (en) * | 2006-12-14 | 2013-06-11 | Longyear Tm, Inc. | Drill bits with axially-tapered waterways |
| CN201372730Y (en) * | 2009-03-29 | 2009-12-30 | 衣佩成 | Diamond bit with spiral lip part |
| CN201714305U (en) * | 2010-07-12 | 2011-01-19 | 吴宣成 | Geological drill bit |
| CN201972606U (en) * | 2011-03-14 | 2011-09-14 | 唐山市金石超硬材料有限公司 | Diamond polycrystalline drill bit |
| CN202187719U (en) * | 2011-08-25 | 2012-04-11 | 中国石油集团西部钻探工程有限公司 | Core bit for paste shale stratum |
| CN202767890U (en) * | 2012-07-06 | 2013-03-06 | 中煤科工集团西安研究院 | Pregnant insert type diamond drill for coring |
| CN204040913U (en) * | 2014-09-18 | 2014-12-24 | 吴宣成 | A kind of diamond-impregnated bit |
| CN205349236U (en) * | 2016-02-03 | 2016-06-29 | 中国有色桂林矿产地质研究院有限公司 | Spout type laser welding diamond bit at bottom of major -minor |
| CN205823173U (en) * | 2016-07-27 | 2016-12-21 | 安徽省地质矿产勘查局313地质队 | Spiral tooth step bottom spraying type diamond drill bit |
-
2016
- 2016-07-27 CN CN201610600213.7A patent/CN106050149B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106050149A (en) | 2016-10-26 |
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