CN109083597A - It is anti-to expand formula composite drill bit - Google Patents
It is anti-to expand formula composite drill bit Download PDFInfo
- Publication number
- CN109083597A CN109083597A CN201811015936.6A CN201811015936A CN109083597A CN 109083597 A CN109083597 A CN 109083597A CN 201811015936 A CN201811015936 A CN 201811015936A CN 109083597 A CN109083597 A CN 109083597A
- Authority
- CN
- China
- Prior art keywords
- drilling tool
- connecting rod
- drill bit
- far
- mounting blocks
- 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.)
- Granted
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
Abstract
The invention discloses a kind of anti-expansion formula composite drill bits, including first connecting rod, mounting blocks, mounting groove and vent, diversion trench is provided between the flow guide bar, the mounting blocks are set to vertical plane of second connecting rod far from first connecting rod, the mounting blocks are provided with the second drilling tool far from the side of the second connecting rod, and second drilling tool is fixed with the 4th drilling tool far from the side of mounting blocks.The section of anti-the 4th drilling tool of expansion formula composite drill bit is isosceles trapezoidal structure, 4th drilling tool contacts the rock around the drill bit, it may insure the width that drilling well comes out, 4th drilling tool blade is directly and rock contact, rotation can act as the effect of drilling forward or backwards, 4th drilling tool and rock contact, the phenomenon that blade of 4th drilling tool is easy to appear abrasion, since the 4th drilling tool quantity itself is greater than the original quantity of the drill bit, therefore the degree of wear that subsequent the 4th drilling tool directly contacted is subject to reduces, lower the degree of wear of the 4th drilling tool, to reduce the degree of wear of solid drill.
Description
Technical field
The present invention relates to anti-well drilling rig technique field, specially a kind of anti-expansion formula composite drill bit.
Background technique
Anti- well drilling machine technological principle is that hydraulic motor is driven by the motor of drilling machine, and hydraulic motor drives tap, and benefit
Drilling system is delivered torque to hydraulic power, drives drilling rod and bit, the hobboing cutter on guide hole drill bit or reaming bit
Under the action of bit pressure, pure rolling or micro sliding are done along bottom rock working face, while the axial direction that host oil cylinder generates is drawn, pressure
Power acts on guide hole drill bit or reaming bit also by power head, drilling rod, rolls the hobboing cutter of guide hole drill bit under bit pressure effect
It is dynamic, impact load is generated, hob teeth is made to generate impact, extruding and shear action, fractured rock to rock.
Anti- well drilling machine at work, work to shaft bottom magma by the composite drill bit of anti-well drilling machine, because
When raising boring row works, the effect of combination drill is vital for this, wherein just containing reaming bit, is also cried anti-
Expansion formula composite drill bit.
Most of anti-expansion formula composite drill bit wears more serious when in use.
Summary of the invention
The purpose of the present invention is to provide a kind of anti-expansion formula composite drill bits, to solve the current city that above-mentioned background technique proposes
More serious problem is worn when use on field.
To achieve the above object, the invention provides the following technical scheme: a kind of instead expand formula composite drill bit, including the first connection
Bar, mounting blocks, mounting groove and vent, the side of the first connecting rod are provided with the second connecting rod, second connecting rod
One end far from first connecting rod is provided with the first drilling tool, is fixedly connected between first drilling tool and the second connecting rod,
In,
First drilling tool is fixed with flow guide bar far from the vertical plane of the second connecting rod, and the flow guide bar and the first drilling tool are located at second
The same side of connecting rod is provided with diversion trench between the flow guide bar；
The mounting blocks are set to vertical plane of second connecting rod far from first connecting rod, and the mounting blocks are far from the second connecting rod
Side is provided with the second drilling tool, and second drilling tool is fixed with the 4th drilling tool far from the side of mounting blocks；
The mounting groove is opened in side of second drilling tool far from first connecting rod, side of the mounting groove far from the second drilling tool
It is provided with third drilling tool, the vent is set to the second connecting rod close to the side of mounting blocks.
Preferably, the section of first drilling tool is semicircular structure, and the central axes of the first drilling tool and the second connecting rod
Central axes be overlapped.
Preferably, the flow guide bar is wavy shaped configuration, and the direction of rotation in flow guide bar water conservancy diversion direction and the second connecting rod
It is identical.
Preferably, there are three the diversion trench is arranged altogether, and the width of the open end of diversion trench is less than between the second drilling tool
Width.
Preferably, the section of the 4th drilling tool is isosceles trapezoidal structure, and the 4th drilling tool is equidistantly distributed and bored in second
On tool.
Compared with prior art, the beneficial effects of the present invention are: the anti-expansion formula composite drill bit:
1. the section of the first drilling tool is semicircular structure, and the first drilling tool is indent spherical structure, in use, the first drilling tool is interior
Recessed round edge directly forms cutter and rock contact, the rock of direct shatter contact, make composite drill bit more comprehensively with rock contact,
More convenient drilling well；
2. the width of the open end of diversion trench is less than the width between the second drilling tool, it is shatter after rock debris, directly lead out
Between second drilling tool, since the second drilling tool is rotating simultaneously, the clast of breaking rock, is dispersed directly into the clast of rock again
Around the drill bit, guarantees that clast does not appear in the inside of drill bit, will not influence the normal use of drill bit；
3. the section of the 4th drilling tool is isosceles trapezoidal structure, the 4th drilling tool contacts the rock around the drill bit, it can be ensured that drilling well
Width out, since the 4th drilling tool is isosceles trapezoidal structure, the 4th drilling tool blade directly and rock contact, revolves forward or backwards
Turn to can act as the effect of drilling, after the 4th drilling tool and rock contact, the blade of the 4th drilling tool is easy to appear showing for abrasion
As, since the 4th drilling tool quantity itself is greater than the original quantity of the drill bit, what subsequent the 4th drilling tool directly contacted was subject to
The degree of wear reduces, and lowers the degree of wear of the 4th drilling tool, to reduce the degree of wear of solid drill.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is side structure schematic view of the present invention；
Fig. 3 is partial enlargement structural representation at A in Fig. 2 of the present invention.
In figure: 1, first connecting rod, the 2, second connecting rod, the 3, first drilling tool, 4, flow guide bar, 5, diversion trench, 6, mounting blocks,
7, the second drilling tool, 8, mounting groove, 9, third drilling tool, the 10, the 4th drilling tool, 11, vent.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of anti-expansion formula composite drill bit, including first connecting rod
1, the second connecting rod 2, the first drilling tool 3, flow guide bar 4, diversion trench 5, mounting blocks 6, the second drilling tool 7, mounting groove 8, third drilling tool 9,
4th drilling tool 10 and vent 11, the side of the first connecting rod 1 are provided with the second connecting rod 2, and second connecting rod 2 is remote
One end from first connecting rod 1 is provided with the first drilling tool 3, and the section of first drilling tool 3 is semicircular structure, and the first drilling tool
3 central axes are overlapped with the central axes of the second connecting rod 2, and the round edge of the first drilling tool 3 directly forms cutter when in use, directly
It connects and rock contact, guarantees that the central part of the drill bit will not be directly by the direct shock of rock when in use, it is ensured that
The composite drill bit more comprehensively with rock contact, is fixedly connected between first drilling tool 3 and the second connecting rod 2, wherein
First drilling tool 3 is fixed with flow guide bar 4 far from the vertical plane of the second connecting rod 2, and the flow guide bar 4 is wavy shaped configuration,
And 4 water conservancy diversion direction of flow guide bar is identical as the direction of rotation of the second connecting rod 2, when in use, flow guide bar 4 limits flow guide bar 4
The moving direction of shatter rock debris, guarantee, which is directly limited on the inside of diversion trench 5 with rock debris, draws, and more convenient draws
Clast out, the flow guide bar 4 and the first drilling tool 3 are located at the same side of the second connecting rod 2, are provided with and lead between the flow guide bar 4
Chute 5, the diversion trench 5 is altogether there are three settings, and the width of the open end of diversion trench 5 is less than the width between the second drilling tool 7,
Rock debris after shatter is directly cleared up away along the direction that diversion trench 5 guides, guarantees that clast does not appear in the interior of drill bit
Portion will not influence the normal use of drill bit, guarantee that on the inside of drill bit be not in clast；
The mounting blocks 6 are set to the second vertical plane of the connecting rod 2 far from first connecting rod 1, and the mounting blocks 6 are far from the second connection
The side of bar 2 is provided with the second drilling tool 7, and second drilling tool 7 is fixed with the 4th drilling tool 10 far from the side of mounting blocks 6, described
The section of 4th drilling tool 10 is isosceles trapezoidal structure, and the 4th drilling tool 10 is equidistantly distributed on the second drilling tool 7, straight with rock
When contact, since the 4th drilling tool 10 is isosceles trapezoidal structure, 10 two sides of the 4th drilling tool are the blade of drill bit, are ok
Directly and rock contact, the 4th drilling tool 10 and the phenomenon that after rock contact, the blade of the 4th drilling tool 10 is easy to appear abrasion, the
Four drilling tools 10 are constantly interior to be expanded, and so that the blade of the 4th drilling tool 10 is postponed, be will not influence the normal use of the composite drill bit, increases the 4th
The intensity of drilling tool 10；
The mounting groove 8 is opened in the second side of the drilling tool 7 far from first connecting rod 1, and the mounting groove 8 is far from the second drilling tool 7
Side be provided with third drilling tool 9, the vent 11 is set to the second connecting rod 2 close to the side of mounting blocks 6.
Working principle: when using the anti-expansion formula composite drill bit, firstly, by connecting between first connecting rod 1 and anti-well drilling machine
It picks up and, under the drive of anti-well drilling machine, this instead expands formula composite drill bit and starts to work to rock part, is constantly boring downwards
When well, first connecting rod 1 drives the second connecting rod 2 and mounting blocks 6 to rotate, the third of 8 inside of the first drilling tool 3 and mounting groove
Drilling tool 9 is wanted to contact with rock part first, when contact, since the first drilling tool 3 is inner concave shape circular configuration, the first drilling tool
3 edges directly hit to rock shatter, and after rock is shatter, the clast of rock directly passes through between flow guide bar 4
Diversion trench 5 directly leads out the outside of the drill bit, and at the same time, the constantly rotation of third drilling tool 9 extends out, and constantly digs a well, due to
4th drilling tool 10 in 7 outside of the second drilling tool is isosceles trapezoidal structure, when carrying out with rock contact, the knife of the 4th drilling tool 10
It is constantly interior after sharpening damage to expand, it will not influence the service life of the drill bit, guarantee the service life for increasing the drill bit, while increasing and being somebody's turn to do
The intensity of 4th drilling tool 10, for vent 11 when the boring work, vent 11 slows down the pressure that mounting blocks 6 are subject to, and keeps away
Exempt from the phenomenon that mounting blocks 6 rupture, the content being not described in detail in this explanation belongs to known in professional and technical personnel in the field
The prior art.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (5)
1. a kind of anti-expansion formula composite drill bit, including first connecting rod (1), mounting blocks (6), mounting groove (8) and vent (11),
Be characterized in that: the side of the first connecting rod (1) is provided with the second connecting rod (2), and second connecting rod (2) is far from first
One end of connecting rod (1) is provided with the first drilling tool (3), is fixed company between first drilling tool (3) and the second connecting rod (2)
It connects, wherein
First drilling tool (3) is fixed with flow guide bar (4) far from the vertical plane of the second connecting rod (2), the flow guide bar (4) and first
Drilling tool (3) is located at the same side of the second connecting rod (2), is provided with diversion trench (5) between the flow guide bar (4)；
The mounting blocks (6) are set to the vertical plane of the second connecting rod (2) far from first connecting rod (1), and the mounting blocks (6) are separate
The side of second connecting rod (2) is provided with the second drilling tool (7), and second drilling tool (7) is fixed with far from the side of mounting blocks (6)
4th drilling tool (10)；
The mounting groove (8) is opened in the side of the second drilling tool (7) far from first connecting rod (1), and the mounting groove (8) is far from the
The side of two drilling tools (7) is provided with third drilling tool (9), and the vent (11) is set to the second connecting rod (2) close to mounting blocks
(6) side.
2. a kind of anti-expansion formula composite drill bit according to claim 1, it is characterised in that: the section of first drilling tool (3)
For semicircular structure, and the central axes of the first drilling tool (3) are overlapped with the central axes of the second connecting rod (2).
3. a kind of anti-expansion formula composite drill bit according to claim 1, it is characterised in that: the flow guide bar (4) is waveform
Structure, and flow guide bar (4) water conservancy diversion direction is identical as the direction of rotation of the second connecting rod (2).
4. a kind of anti-expansion formula composite drill bit according to claim 1, it is characterised in that: the diversion trench (5) is provided with altogether
Three, and the width of the open end of diversion trench (5) is less than the width between the second drilling tool (7).
5. a kind of anti-expansion formula composite drill bit according to claim 1, it is characterised in that: the section of the 4th drilling tool (10)
For isosceles trapezoidal structure, and the 4th drilling tool (10) is equidistantly distributed on the second drilling tool (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811015936.6A CN109083597B (en) | 2018-09-01 | 2018-09-01 | Reverse expansion type composite drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811015936.6A CN109083597B (en) | 2018-09-01 | 2018-09-01 | Reverse expansion type composite drill bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109083597A true CN109083597A (en) | 2018-12-25 |
| CN109083597B CN109083597B (en) | 2020-03-17 |
Family
ID=64840476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811015936.6A Active CN109083597B (en) | 2018-09-01 | 2018-09-01 | Reverse expansion type composite drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109083597B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2179618C2 (en) * | 2000-04-24 | 2002-02-20 | Открытое акционерное общество "Саратовнефтегаз" | Hole reamer |
| CN101025076A (en) * | 2006-02-21 | 2007-08-29 | 霍利贝顿能源服务公司 | Roller cone drill bit with enhanced debris diverter grooves |
| KR101132704B1 (en) * | 2011-07-11 | 2012-04-02 | (주)세종이엔씨 | Excavating bit structure available expands the hollow in the base rock |
| CN203257332U (en) * | 2013-05-07 | 2013-10-30 | 魏常耕 | Combined reamer bit |
| CN203905815U (en) * | 2014-02-21 | 2014-10-29 | 西南石油大学 | Double-core reaming bit with multiple stages of reaming bodies |
| CN205422545U (en) * | 2016-03-18 | 2016-08-03 | 山东省城乡建设勘察设计研究院 | Novel combined drill |
| CN106089086A (en) * | 2016-08-02 | 2016-11-09 | 西南石油大学 | A kind of bad ground long-life re-drill bit |
| CN206267796U (en) * | 2016-12-02 | 2017-06-20 | 西北大学 | A kind of oil exploitation drill bit |
-
2018
- 2018-09-01 CN CN201811015936.6A patent/CN109083597B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2179618C2 (en) * | 2000-04-24 | 2002-02-20 | Открытое акционерное общество "Саратовнефтегаз" | Hole reamer |
| CN101025076A (en) * | 2006-02-21 | 2007-08-29 | 霍利贝顿能源服务公司 | Roller cone drill bit with enhanced debris diverter grooves |
| KR101132704B1 (en) * | 2011-07-11 | 2012-04-02 | (주)세종이엔씨 | Excavating bit structure available expands the hollow in the base rock |
| CN203257332U (en) * | 2013-05-07 | 2013-10-30 | 魏常耕 | Combined reamer bit |
| CN203905815U (en) * | 2014-02-21 | 2014-10-29 | 西南石油大学 | Double-core reaming bit with multiple stages of reaming bodies |
| CN205422545U (en) * | 2016-03-18 | 2016-08-03 | 山东省城乡建设勘察设计研究院 | Novel combined drill |
| CN106089086A (en) * | 2016-08-02 | 2016-11-09 | 西南石油大学 | A kind of bad ground long-life re-drill bit |
| CN206267796U (en) * | 2016-12-02 | 2017-06-20 | 西北大学 | A kind of oil exploitation drill bit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109083597B (en) | 2020-03-17 |
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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, Jining City, Shandong Province Patentee before: ZOUCHENG YANKUANG TAIDE INDUSTRY & TRADE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |