CN110118060A - A kind of no-dig technique combined type PDC reaming bit - Google Patents
A kind of no-dig technique combined type PDC reaming bit Download PDFInfo
- Publication number
- CN110118060A CN110118060A CN201910528285.9A CN201910528285A CN110118060A CN 110118060 A CN110118060 A CN 110118060A CN 201910528285 A CN201910528285 A CN 201910528285A CN 110118060 A CN110118060 A CN 110118060A
- Authority
- CN
- China
- Prior art keywords
- reaming
- main shaft
- fixed disk
- combined type
- fin
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 210000000515 tooth Anatomy 0.000 claims abstract description 12
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 229910003460 diamond Inorganic materials 0.000 description 4
- 239000010432 diamond Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
-
- 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
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
- E21B10/627—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements
- E21B10/633—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements independently detachable
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 discloses a kind of no-dig technique combined type PDC reaming bits, belong to bit technique field, including main shaft, fixed disk and multiple reaming fins, fixed disk is sheathed on outside main shaft, fixed disk is interference fitted or is fixedly connected with main shaft, multiple reaming fins are circumferentially distributed around main shaft, and multiple reaming fins are detachably connected with main shaft and fixed disk；Multiple cutting tooths are provided on each reaming fin；It is detachably connected with main shaft and fixed disk by multiple reaming fins, or multiple reaming fins are detachably connected with fixed disk, the cutting tooth more renewed can be reached by replacing reaming fin or reach the different classes of cutting tooth of replacement, on the one hand it can be improved the efficiency of reaming, on the other hand only can need to carry different reaming fins during construction can meet the needs of Different Strata, greatly reduce construction cost.
Description
Technical field
The invention belongs to reaming bit technical fields, and in particular to a kind of no-dig technique combined type PDC reaming bit.
Background technique
PDC (polycrystalline diamond composite) i.e. composite polycrystal-diamond, is polycrystalline diamond
A kind of composite material that (polycrystallin diamond, PCD) and hard alloy bottom are formed.The height of its existing PCD is hard
Degree has certain toughness and shock resistance again, is a kind of important ultrahard cutting tool material.Drill bit made of this material is on ground
It has a wide range of applications in lower resource drilling engineering.
Existing PDC reaming bit is mostly welding structure, and each drill bit is relatively independent, the cutting odontotripsis of reaming bit
It can not replace, can only be welded with substantially later；And before being welded with need that first original cutting tooth is carried out to polish processing, not so it will affect
Cutting will lead to construction period extension；Therefore other existing reaming bits are applied to engineering construction since each self-structure is different
When also have limitation, according to different strata conditions, construction party needs to prepare variety classes, if the reaming bit of different structure
It is dry, therefore greatly improve construction cost.
Summary of the invention
In order to solve the above problems existing in the present technology, the present invention provides a kind of no-dig technique combined type PDC reamers
Head.
The technical scheme adopted by the invention is as follows: a kind of no-dig technique combined type PDC reaming bit, including main shaft, fixed disk
And multiple reaming fins, fixed disk are sheathed on outside main shaft, fixed disk is interference fitted or is fixedly connected, multiple reaming wings with main shaft
Piece is circumferentially distributed around main shaft, and multiple reaming fins are detachably connected with main shaft and fixed disk；It is all provided on each reaming fin
It is equipped with multiple cutting tooths.
The working principle of the invention/have the beneficial effect that detachably is connected with main shaft and fixed disk by multiple reaming fins
It connects or multiple reaming fins is detachably connected with fixed disk, the cutting tooth more renewed can be reached by replacing reaming fin
Or reach and replace different classes of cutting tooth, it on the one hand can be improved the efficiency of reaming, it on the other hand can be in the mistake of construction
The needs of Different Strata can be met by only needing to carry different reaming fins in journey, greatly reduce construction cost.
It further limits, multiple reaming fins are clamped with the fixed disk.
The working principle of the invention/have the beneficial effect that snap fit does not need other any auxiliary spare parts, on the one hand
Cost can be reduced, it on the other hand can be to avoid the loss of components in the process of disassembly.
It further limits, multiple mudholes is offered in the disk of the fixed disk.
The working principle of the invention/have the beneficial effect that mudhole for assisting the discharge of mud, avoids reaming bit in reaming
During be stuck.
It further limits, multiple reaming fins pass through bolt assembly with the main shaft and connect.
The working principle of the invention/have the beneficial effect that bolt assembly connection has the characteristics that convenient disassembly and fixation.
It further limits, prolongs its axial direction on the main shaft integrally formed with multiple clip assemblies, each clip assemblies
On be removably connected with the reaming fin.
The working principle of the invention/have the beneficial effect that clip assemblies for clamping reaming fin, avoid reaming fin from making
The phenomenon that being shifted during.
It further limits, each described clip assemblies is made of the intermediate plate that two panels is oppositely arranged, equal per a piece of intermediate plate
It is fixedly connected with the main shaft；One reaming fin is set between two panels intermediate plate, and the reaming fin and two panels intermediate plate are equal
It is connected by bolt assembly.
It further limits, offers multiple first card slots along its diametrical direction in the fixed disk, each reaming fin
Lower end be arranged in first card slot.
It further limits, each described first card slot is on the one end in the fixed disk center of circle integrally formed with fixation
Plate, fixed plate are bonded with the main shaft；
For fixed plate perpendicular to the disk of the fixed disk, fixed plate offers the on the side in the fixed disk center of circle
Two draw-in groove, the second card slot are equipped with reaming fin.
The working principle of the invention/have the beneficial effect that the first card slot and the second card slot are used to card and set reaming fin, thus
Further promote the stability of reaming fin installation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram at a visual angle of the invention；
Fig. 2 is the structural schematic diagram at another visual angle of the invention；
Fig. 3 is the view in the direction C in Fig. 2；
Fig. 4 is the schematic diagram of Section A-A in Fig. 3；
Fig. 5 is the structural schematic diagram of fixed disk；
In figure: 1- main shaft；101- intermediate plate；2- fixed disk；201- mudhole；The first card slot of 202-；203- fixed plate；3- expands
Hole fin；4- cutting tooth.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is further elaborated.
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include one or more of the features.In the description of the present invention,
The meaning of " plurality " is two or more, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In description of the invention, what some structures or device were not described specifically, it is interpreted as being able to achieve in the prior art
Structure or device.
Embodiment 1
The technical solution of the present embodiment are as follows: a kind of no-dig technique combined type PDC reaming bit, including main shaft 1, fixed disk 2 with
And multiple reaming fins 3, fixed disk 2 are sheathed on outside main shaft 1, fixed disk 2 is interference fitted or is fixedly connected, Duo Gekuo with main shaft 1
Hole fin 3 is circumferentially distributed around main shaft 1, and multiple reaming fins 3 are detachably connected with main shaft 1 and fixed disk 2；Each reaming wing
Multiple cutting tooths 4 are provided on piece 3.
Multiple reaming fins 3 are clamped with the fixed disk 2.Multiple rows are offered in the disk of the fixed disk 2
Mud hole 201.Multiple reaming fins 3 are connect by bolt assembly with the main shaft 1.Prolong its axial direction side on the main shaft 1
To integrally formed with multiple 101 components of intermediate plate, the reaming fin 3 is removably connected on each 101 component of intermediate plate.Often
The intermediate plate 101 that one 101 component of intermediate plate is oppositely arranged by two panels forms, solid with the main shaft 1 per a piece of intermediate plate 101
Fixed connection；One reaming fin 3 is set between two panels intermediate plate 101, and the reaming fin 3 passes through with two panels intermediate plate 101
Bolt assembly connection.Multiple first card slots 202 are offered along its diametrical direction in the fixed disk 2, each reaming fin 3
Lower end is arranged in first card slot 202.Each described first card slot 202 close to 2 center of circle of fixed disk one
Integrally formed with fixed plate 203 on end, fixed plate 203 is bonded with the main shaft 1；Fixed plate 203 is perpendicular to the fixed disk 2
Disk, fixed plate 203 offer the second card slot on the side in 2 center of circle of fixed disk, and the second card slot is matched with reaming fin 3
Close setting.
As shown in Figs 1-4, in the present embodiment, main shaft 1 is solid cylindrical structure, and the outer surface of main shaft 1 is smooth；
Fixed disk 2 is circular configuration, and 3 mudholes, 201,3 connections of mudhole 201 are offered in the disk of fixed disk 2 and form one
Big spoil disposal through-hole；3 card slots are opened up in the disk of fixed disk 2, the quantity of reaming fin 3 was 3 and each along the week of main shaft 1
To distribution, the distance between 33 any two of reaming fin are equal, and reaming fin 3 is arcuate structure, and arcuate structure is close to main
One end of axis 1 is far from fixed disk 2, and 4 quantity of cutting tooth is 10, and all cutting tooths 4 are welded in the arc-shaped side of reaming fin 3
On；Prolong its axial direction on main shaft 1 and be fixedly connected with 3 101 components of intermediate plate, each 101 component of intermediate plate includes two opposite
The intermediate plate 101 of setting is provided with the reaming fin 3 between two intermediate plates 101 being oppositely arranged, and reaming fin 3 passes through
Bolt assembly and two intermediate plates 101 being oppositely arranged realize dismountable connection, specifically: two intermediate plates 101 being oppositely arranged
With 3 through holes are offered on reaming fin 3；A through hole and reaming fin 3 on two intermediate plates 101 being oppositely arranged
A through hole on same straight line, three through holes on same straight line are provided with a bolt, spiral shell
One end of bolt connect to form connection structure with nut thread；First card slot 202 there are three opening up in fixed disk 2, each first
Card slot 202 and a reaming fin 3 are clamped, specifically: the lower end of reaming fin 3 is arranged in the first card slot 202；First
For card slot 202 integrally formed with fixed plate 203 on the one end in 2 center of circle of fixed disk, fixed plate 203 is L-type structure, L-type
The horizontal sides of structure and the first card slot 202 are integrally formed close to the one end in 2 center of circle of fixed disk, three L-type structures it is vertical
While above and being bonded with the main shaft 1 in the same circle；It is opened on the side of the main shaft 1 on the vertical edge of L-type structure
Equipped with the second card slot, reaming fin 3 protrudes above to form convex block towards the face of the main shaft 1, and convex block is arranged in second card slot
It is interior.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are various under the inspiration of the present invention
The product of form, however, make any variation in its shape or structure, it is all to fall into the claims in the present invention confining spectrum
Technical solution, be within the scope of the present invention.
Claims (8)
1. a kind of no-dig technique combined type PDC reaming bit, which is characterized in that including main shaft, fixed disk and multiple reaming fins,
Fixed disk is sheathed on outside main shaft, and fixed disk is interference fitted or is fixedly connected with main shaft, and multiple reaming fins are circumferentially distributed around main shaft,
Multiple reaming fins are detachably connected with main shaft and fixed disk；Multiple cutting tooths are provided on each reaming fin.
2. no-dig technique combined type PDC reaming bit according to claim 1, which is characterized in that multiple reaming fins
It is clamped with the fixed disk.
3. no-dig technique combined type PDC reaming bit according to claim 1 or 2, which is characterized in that the disk of the fixed disk
Multiple mudholes are offered on face.
4. no-dig technique combined type PDC reaming bit according to claim 1, which is characterized in that multiple reaming fins
Pass through bolt assembly with the main shaft to connect.
5. no-dig technique combined type PDC reaming bit according to claim 4, which is characterized in that prolong its axis on the main shaft
To direction integrally formed with multiple clip assemblies, the reaming fin is removably connected on each clip assemblies.
6. no-dig technique combined type PDC reaming bit according to claim 5, which is characterized in that each described intermediate plate group
Part is made of the intermediate plate that two panels is oppositely arranged, and is fixedly connected with the main shaft per a piece of intermediate plate；It is arranged between two panels intermediate plate
One reaming fin, the reaming fin pass through bolt assembly with two panels intermediate plate and connect.
7. no-dig technique combined type PDC reaming bit according to claim 2, which is characterized in that along it in the fixed disk
Diametrical direction offers multiple first card slots, and the lower end of each reaming fin is arranged in first card slot.
8. no-dig technique combined type PDC reaming bit according to claim 7, which is characterized in that each described first card
Integrally formed with fixed plate on the one end in the fixed disk center of circle, fixed plate is bonded slot with the main shaft；
Fixed plate perpendicular to the fixed disk disk, fixed plate away from the fixed disk center of circle side on offer the second card
Slot, the second card slot are equipped with reaming fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910528285.9A CN110118060B (en) | 2019-06-18 | 2019-06-18 | Non-excavation combined PDC reaming bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910528285.9A CN110118060B (en) | 2019-06-18 | 2019-06-18 | Non-excavation combined PDC reaming bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110118060A true CN110118060A (en) | 2019-08-13 |
| CN110118060B CN110118060B (en) | 2024-08-13 |
Family
ID=67524152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910528285.9A Active CN110118060B (en) | 2019-06-18 | 2019-06-18 | Non-excavation combined PDC reaming bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110118060B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236852A (en) * | 2020-01-19 | 2020-06-05 | 孙淑芳 | Near-bit geological guiding drilling structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203499568U (en) * | 2013-08-28 | 2014-03-26 | 中国地质科学院勘探技术研究所 | Split PDC (polycrystalline diamond compact) guide chambering drilling bit |
| CN205154037U (en) * | 2015-11-06 | 2016-04-13 | 宁波易通建设有限公司 | Drill bit that construction drilling bored concrete pile was used |
| WO2018017127A1 (en) * | 2016-07-22 | 2018-01-25 | Halliburton Energy Services, Inc. | Rolling element assembly with bearings elements |
| CN207194828U (en) * | 2017-09-14 | 2018-04-06 | 湖北省华建石材股份有限公司 | A kind of drill bit |
| CN107939298A (en) * | 2018-01-09 | 2018-04-20 | 西南石油大学 | Can detachable type PDC drill bit |
| CN207813502U (en) * | 2018-01-17 | 2018-09-04 | 中石化石油工程技术服务有限公司 | A kind of soil bore enlarging device of reducing |
| CN210105760U (en) * | 2019-06-18 | 2020-02-21 | 深圳市钻通工程机械股份有限公司 | Non-excavation combination formula PDC reaming bit |
-
2019
- 2019-06-18 CN CN201910528285.9A patent/CN110118060B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203499568U (en) * | 2013-08-28 | 2014-03-26 | 中国地质科学院勘探技术研究所 | Split PDC (polycrystalline diamond compact) guide chambering drilling bit |
| CN205154037U (en) * | 2015-11-06 | 2016-04-13 | 宁波易通建设有限公司 | Drill bit that construction drilling bored concrete pile was used |
| WO2018017127A1 (en) * | 2016-07-22 | 2018-01-25 | Halliburton Energy Services, Inc. | Rolling element assembly with bearings elements |
| CN207194828U (en) * | 2017-09-14 | 2018-04-06 | 湖北省华建石材股份有限公司 | A kind of drill bit |
| CN107939298A (en) * | 2018-01-09 | 2018-04-20 | 西南石油大学 | Can detachable type PDC drill bit |
| CN207813502U (en) * | 2018-01-17 | 2018-09-04 | 中石化石油工程技术服务有限公司 | A kind of soil bore enlarging device of reducing |
| CN210105760U (en) * | 2019-06-18 | 2020-02-21 | 深圳市钻通工程机械股份有限公司 | Non-excavation combination formula PDC reaming bit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236852A (en) * | 2020-01-19 | 2020-06-05 | 孙淑芳 | Near-bit geological guiding drilling structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110118060B (en) | 2024-08-13 |
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