CN206800377U - Defeated grey direct-injection drilling rod - Google Patents
Defeated grey direct-injection drilling rod Download PDFInfo
- Publication number
- CN206800377U CN206800377U CN201720312767.7U CN201720312767U CN206800377U CN 206800377 U CN206800377 U CN 206800377U CN 201720312767 U CN201720312767 U CN 201720312767U CN 206800377 U CN206800377 U CN 206800377U
- Authority
- CN
- China
- Prior art keywords
- ash
- drill bit
- drilling rod
- discharge aperture
- aperture member
- 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 title claims abstract description 59
- 238000002347 injection Methods 0.000 title claims abstract description 26
- 239000007924 injection Substances 0.000 title claims abstract description 26
- 230000001154 acute effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 abstract description 17
- 239000004568 cement Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 12
- 239000002689 soil Substances 0.000 description 10
- 239000007921 spray Substances 0.000 description 7
- 239000004567 concrete Substances 0.000 description 6
- 241001074085 Scophthalmus aquosus Species 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- 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
- E21B3/00—Rotary drilling
-
- 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
-
- 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
-
- 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)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model belongs to technical field of buildings, is related to a kind of defeated grey direct-injection drilling rod.Drill bit including drilling rod and positioned at drill rod end, described drilling rod is provided with the drill drive that drill bit can be driven to rotate, also include the ash pipeline component through drilling rod and drill drive, described ash pipeline component is inserted into drill bit and is rotatablely connected with drill bit, there is ash discharge aperture member, and ash discharge aperture member connection ash pipeline component on described drill bit.The utility model ash discharge is smooth, is not easy to block up, stirs.
Description
Technical field
The utility model belongs to technical field of buildings, is related to a kind of defeated grey direct-injection drilling rod.
Background technology
In building field, when making cement mixing method, generally ground is drilled using drill rod assemblies, simultaneously
The slurries such as gunite concrete, curing agent, cement mixing method is formed after slurry and soil are mixing cured.Most of weak soil
Base processing carries out consolidation process using wet spraying pile, and it using cement or cement based material is curing agent that wet spraying pile, which is, by special
Deep-layer stirring machinery, in ground depths on the spot by in-situ soil and curing agent action of forced stirring, form soil cement cylinder.Due to solidification
A series of physical chemical reaction is produced between agent and soil, makes cylinder pile body that there is certain intensity, the soil around pile body obtains portion
Dividing improves, and composite foundation of the composition with globality, water stability and some strength, so as to improve foundation bearing capacity, reduces ground
Differential settlement, reach the purpose of consolidated subsoil.
The combination degree that slurry and ambient earth are relied primarily in the intensity of cement mixing method determines, such as slurry and soil
Mix uneven, the intensity of cement mixing method be able to can be reduced by extreme influence, namely intensity.Therefore how in boring procedure
The middle effect for realizing that slurry is well mixed with soil turns into the key studied at present.
Movable drilling rod of the applicant in the patent cement mixing method piling machine applied before
[201510417309.5], including the drive case with inner chamber, drive case axially penetrate through whole drive provided with least one
The through hole of dynamic casing, being provided with through hole can circumferentially rotate and tubular guide sleeve, be equipped with guide sleeve through whole driving
The drilling rod of casing, and axially directed structure is provided between drilling rod and guide sleeve, guide sleeve, which is connected with, can drive guide sleeve circumferentially to turn
Dynamic circumferentially rotates mechanism, and drilling rod is connected with the axial actuating mechanism that drilling rod axial reciprocating can be driven to slide.The drilling rod of the program
Body can be slid axially with axial stretching and while circumferentially rotating, and be not easy to run into the phenomenon that can not be bored, be increased
The girth of cement mixing method cross section after construction, improve the breakout capacity of cement mixing method.But the program
A fly in the ointment is, is not connected the ash pipeline structure of drill bit structure and drilling rod effectively, so as to further improve
The grey effect of uniformity and place of stirring.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing the defeated grey direct-injection that a kind of ash discharge effect is good, stirs
Type drilling rod.
To reach above-mentioned purpose, the utility model employs following technical proposal：A kind of defeated grey direct-injection drilling rod, including bore
Bar and the drill bit positioned at drill rod end, described drilling rod is provided with the drill drive that drill bit can be driven to rotate, in addition to runs through
The ash pipeline component of drilling rod and drill drive, described ash pipeline component are inserted into drill bit and are rotatablely connected with drill bit, institute
There is ash discharge aperture member, and ash discharge aperture member connection ash pipeline component on the drill bit stated.
In above-mentioned defeated grey direct-injection drilling rod, described ash discharge aperture member includes some ash output openings and some ash output openings have
There is common tie point, the tie point connects with the end of ash pipeline component.
In above-mentioned defeated grey direct-injection drilling rod, the bottom of described ash discharge aperture member connection drill bit and sidepiece.
In above-mentioned defeated grey direct-injection drilling rod, at least one ash output opening of some ash output openings of ash discharge aperture member company is formed
The bottom of logical drill bit, and the sidepiece of at least one ash output opening connection drill bit.
In above-mentioned defeated grey direct-injection drilling rod, the ash output opening of connection drill bit bottom with connect drill bit sidepiece ash output opening it
Between angle be acute angle.
In above-mentioned defeated grey direct-injection drilling rod, described drill bit outer surface has shaggy tooth.
In above-mentioned defeated grey direct-injection drilling rod, described drill bit outer surface undulate.
In above-mentioned defeated grey direct-injection drilling rod, described drill bit outer surface has helical rotating vane, described
Drill drive between drilling rod and drill bit, drill drive is fixed on drilling rod, and the driving of drill drive and drill bit connects
Connect.
In above-mentioned defeated grey direct-injection drilling rod, described ash pipeline component includes at least two ash pipelines, every defeated ash
Pipe connects an ash discharge aperture member, and height of the different ash discharge aperture members on drill bit is different.
In above-mentioned defeated grey direct-injection drilling rod, the ash discharge aperture member of at least one connection ash pipeline is located in drill bit
Top, and the ash discharge aperture member of at least one connection ash pipeline is located at the middle and lower part of drill bit.
Compared with prior art, the utility model has the advantage of：1st, ash output opening is rotated on drill bit using drill bit
Centrifugal force makes ash discharge smooth, will not block drill bit；2nd, setting for the ash pipeline of different height can be in the process of lower brill and upper brill
The different defeated ash quantity of middle distribution, further makes the material stirring of output evenly.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment 1；
Fig. 2 is the structural representation of embodiment 2；
Fig. 3 is the structural representation of embodiment 3；
Fig. 4 is the internal structure schematic diagram of embodiment 1.
In figure：Drilling rod 1, drill bit 2, stirring wheel 2a, connecting pole 2b, drill drive 3, flange 3a, quill shaft motor 3b, horse
Up to adapter 3c, seal receptacle 3d, oil inlet 3e, oil-out 3f, jack 3g, bearing 3h, ash pipeline component 4, ash discharge aperture member 5,
Ash output opening 6, shaggy tooth 7, rotating vane 8, ash pipeline 9.
Embodiment
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
Embodiment 1
As shown in Figure 1 and Figure 4, a kind of defeated grey direct-injection drilling rod, including drilling rod 1 and the drill bit 2 positioned at the end of drilling rod 1, are bored
Bar 1 can be circular or polygon, not limit, and described drilling rod 1 is provided with the drill drive 3 that drill bit 2 can be driven to rotate,
Also include the ash pipeline component 4 through drilling rod 1 and drill drive 3, described ash pipeline component 4 be inserted into drill bit 2 and with
Drill bit 2 is rotatablely connected, namely when drill bit 2 rotates, ash pipeline component 4 is actionless, and ash pipeline component 4 can lead to
Cross seal to be tightly connected with drilling rod 1, seal can be sealing ring, sealing ring etc., can also use the mechanical close of face sealing
Envelope mode, cement flour, cement mortar, curing agent, building waste etc. can be inputted in ash pipeline component 4, had on described drill bit 2
There is ash discharge aperture member 5, and ash discharge aperture member 5 connects ash pipeline component 4, therefore the material inputted from ash pipeline component 4 can be straight
Connect from ash discharge aperture member 5 and export, because drill bit 2 is rotary state, centrifugal force can be produced to material, therefore material is from drill bit 2
Ash discharge aperture member 5 export it is very smooth.
Preferred scheme, ash discharge aperture member 5 connect bottom and the sidepiece of drill bit 2.Specifically, ash pipeline component includes defeated ash
Pipe 9, described ash discharge aperture member 5 include some ash output openings 6, and all one end of ash output opening 6 connection ash pipeline 9, the other end runs through
Drill bit 2.
The bottom of some ash output openings 6 of ash discharge aperture member 5 at least one ash output opening 6 connection drill bit 2 is formed, and at least
One ash output opening 6 connects the sidepiece of drill bit 2.Connect between the ash output opening 6 of the bottom of drill bit 2 and the ash output opening 6 of the connection sidepiece of drill bit 2
Angle be acute angle, it is preferable that the angle is 10-80 °, it is highly preferred that the angle is 60-75 °.
The outer surface of drill bit 2 has a shaggy tooth 7, and shaggy tooth 7 can be to the structure of the surface indentation of drill bit 2 or prominent
Go out the structure on the surface of drill bit 2, as the shape of shaggy tooth 7, the present embodiment does not limit, it will be appreciated by those skilled in the art that
Shaggy tooth can be segment-shaped, cylindricality, sheet or other shapes and structure.
The outer surface of drill bit 2 has helical rotating vane 8, and rotating vane is used to break up material, makes stirring evenly,
The rotating vane 8 of the present embodiment is preferably integral type helical structure, and rotating vane 8 is respectively close to the top and bottom of drill bit 2,
In the rotation process of drill bit 2, the material that is exported in rapid dispersion ash output opening 6, and stir.
In the present embodiment, as a kind of preferable scheme, drill drive 3 is between drilling rod 1 and drill bit 2, drill bit
Driver 3 is fixed on drilling rod 1, drill drive 3 and the drive connection of drill bit 2.
It will be appreciated by those skilled in the art that drill drive 3 can directly select commercially available hollow shaft motor or in
Empty axle hydraulic motor, the ash pipeline 9 of ash pipeline component 4 are directly inserted into the quill shaft of hollow shaft motor or quill shaft motor
In, you can the rotation connection of ash pipeline component 4 and drill drive 3 is realized, certainly, drill drive 3 is not solid with quill shaft
Fixed, so when drill drive 3 rotates, ash pipeline component 4 is static.
In the present embodiment, there is provided a kind of concrete structure of drill drive 3, with reference to shown in Fig. 4, drill drive 3
Including the quill shaft motor 3b being connected with drilling rod 1 by flange 3a, ash pipeline component 4 connects ash discharge after passing through quill shaft motor 3b
Aperture member 5, quill shaft motor 3b are removably mounted on motor adapter 3c, and motor adapter 3c passes through seal receptacle with drill bit 2
3d is tightly connected, and quill shaft motor 3b hollow axis connection drill bit 2 is so as to driving drill bit 2 to rotate.Also set on quill shaft motor 3b
There are oil inlet 3e and oil-out 3f.
Motor adapter 3c is provided with hollow jack 3g, and drill bit 2 is provided with connecting pole 2b close to motor adapter 3c side,
Connecting pole 2b is inserted into jack 3g, and bearing 3h is provided with jack 3g, and bearing 3h is set on connecting pole 2b, and connecting pole 2b is with
Empty axle motor 3b quill shaft is fixedly connected, and ash discharge aperture member 5 connects connecting pole 2b so as to be connected with ash pipeline component 4.
Embodiment 2
The present embodiment and the structure and operation principle of embodiment 1 are essentially identical, and difference is, as shown in Fig. 2 described
Ash pipeline component 4 include at least two ash pipelines 9, every ash pipeline 9 connects an ash discharge aperture member 5, and different ash discharges
Height of the aperture member 5 on drill bit 2 is different.The described outer surface undulate of drill bit 2.
The ash discharge aperture member 5 of at least one connection ash pipeline 9 is located at the middle and upper part of drill bit 2, and at least one is connected
The ash discharge aperture member 5 of ash pipeline 9 is located at the middle and lower part of drill bit.
The purpose of two ash pipelines 9 is that (connection is located in drill bit 2 first ash pipeline 9 when 2 times brills of drill bit
That root ash pipeline 9 of the ash discharge aperture member 5 on top) normally enter ash, (connection goes out second ash pipeline 9 positioned at the middle and lower part of drill bit 2
That root ash pipeline 9 of grey aperture member 5) as long as entering a small amount of ash, because first ash pipeline 9 passes through the ash discharge of ash output opening 6
Drill bit 2 continues lower brill afterwards, and the external undulated surface and shaggy tooth of drill bit 2 can be beaten very the ash that first ash pipeline 9 sprays
Uniformly, second ash discharge of ash pipeline 9 is intended merely to not convey the ash output opening 6 that second ash pipeline 9 connects and blocked, when getting into bottom
When, first ash pipeline 9 changes defeated grey material and switches to concrete of the spray with stone, and the bottom of such mixing pile is just compared
Solid, then drill bit up proposes, all by first pneumatically placed concrete of ash pipeline 9 in certain depth, when the height to setting
First stopping pneumatically placed concrete of ash pipeline 9 sprays a small amount of main material instead when spending, and now it is substantial amounts of to start spray for second ash pipeline 9
Main material, because being now that drilling rod 1 is in toward the state to retract, the material that first ash pipeline 9 sprays can only not stir for a moment just not
Can stir, and the material that second ash pipeline 9 sprays can then pass through stirring repeatedly so that 2 time brills of drill bit with it is upper
Good mixing effect can be obtained by rising.And because the distinctive appearance of drill bit causes the resistance of 2 times soil of drill bit to diminish, Er Qie
The bottom of drill bit 2 can spray the concrete of high intensity so that the performance of mixing pile obtains performance maximum greatly.
Embodiment 3
The present embodiment and the structure and operation principle of embodiment 1 are essentially identical, and difference is, as shown in figure 3, described
Drill bit 2 include at least two stirring wheel 2a, it is preferable that center line symmetrical settings of two stirring wheel 2a along drilling rod 1.Stirring wheel
2a can also set more than 2, such as 3,4 and is uniformly distributed along the center line of drilling rod 1.Ash output opening 6 is located at stirring wheel
In 2a and ash output opening 6 aperture upward.
The present embodiment is highly suitable for being used to prepare cement mixing method in weak soil matter, and whipping process is uniform, so as to improve
The intensity of cement mixing method.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although more used herein drilling rod 1, drill bit 2, stirring wheel 2a, connecting pole 2b, drill drive 3, flange 3a,
Quill shaft motor 3b, motor adapter 3c, seal receptacle 3d, oil inlet 3e, oil-out 3f, jack 3g, bearing 3h, ash pipeline component
4th, the term such as ash discharge aperture member 5, ash output opening 6, shaggy tooth 7, rotating vane 8, ash pipeline 9, tie point a, but be not precluded from using
The possibility of other terms.It is used for the purpose of more easily describing and explaining essence of the present utility model using these terms；
They are construed to any additional limitation and all disagreed with the utility model spirit.
Claims (10)
1. a kind of defeated grey direct-injection drilling rod, including drilling rod (1) and the drill bit (2) positioned at drilling rod (1) end, described drilling rod (1)
It is provided with the drill drive (3) that drill bit (2) can be driven to rotate, it is characterised in that also include driving through drilling rod (1) and drill bit
The ash pipeline component (4) of device (3), described ash pipeline component (4) are inserted into drill bit (2) and are rotatablely connected with drill bit (2), institute
There is ash discharge aperture member (5), and ash discharge aperture member (5) connection ash pipeline component (4) on the drill bit (2) stated.
2. defeated grey direct-injection drilling rod according to claim 1, it is characterised in that described ash pipeline component (4) includes defeated
Ash pipe (9), described ash discharge aperture member (5) include some ash output openings (6).
3. defeated grey direct-injection drilling rod according to claim 1, it is characterised in that described ash discharge aperture member (5) connection is bored
The bottom of head (2) and sidepiece.
4. defeated grey direct-injection drilling rod according to claim 2, it is characterised in that composition ash discharge aperture member (5) if do
The bottom of grey hole (6) at least one ash output opening (6) connection drill bit (2), and at least one ash output opening (6) connection drill bit (2)
Sidepiece.
5. defeated grey direct-injection drilling rod according to claim 4, it is characterised in that the ash output opening (6) of connection drill bit (2) bottom
Angle between the ash output opening (6) of connection drill bit (2) sidepiece is acute angle.
6. defeated grey direct-injection drilling rod according to claim 1, it is characterised in that described drill bit (2) outer surface has recessed
Double wedge (7).
7. defeated grey direct-injection drilling rod according to claim 1, it is characterised in that described drill bit (2) outer surface is in wave
Shape.
8. defeated grey direct-injection drilling rod according to claim 1, it is characterised in that described drill bit (2) outer surface, which has, is in
Spiral rotating vane (8), described drill drive (3) are located between drilling rod (1) and drill bit (2), drill drive (3)
It is fixed on drilling rod (1), drill drive (3) and drill bit (2) drive connection.
9. defeated grey direct-injection drilling rod according to claim 1, it is characterised in that described ash pipeline component (4) is included extremely
Few two ash pipelines (9), every ash pipeline (9) connects an ash discharge aperture member (5), and different ash discharge aperture members (5) is boring
Height on head (2) is different.
10. defeated grey direct-injection drilling rod according to claim 9, it is characterised in that at least one connection ash pipeline (9)
Ash discharge aperture member (5) is located at the middle and upper part of drill bit (2), and the ash discharge aperture member (5) of at least one connection ash pipeline (9) is located at
The middle and lower part of drill bit (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610351296.0A CN105822221A (en) | 2016-05-24 | 2016-05-24 | Ash conveying direct spray type drill rod |
| CN2016103512960 | 2016-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206800377U true CN206800377U (en) | 2017-12-26 |
Family
ID=56530374
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610351296.0A Pending CN105822221A (en) | 2016-05-24 | 2016-05-24 | Ash conveying direct spray type drill rod |
| CN201710191482.7A Pending CN107419722A (en) | 2016-05-24 | 2017-03-28 | Defeated grey direct-injection drilling rod |
| CN201720312767.7U Active CN206800377U (en) | 2016-05-24 | 2017-03-28 | Defeated grey direct-injection drilling rod |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610351296.0A Pending CN105822221A (en) | 2016-05-24 | 2016-05-24 | Ash conveying direct spray type drill rod |
| CN201710191482.7A Pending CN107419722A (en) | 2016-05-24 | 2017-03-28 | Defeated grey direct-injection drilling rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN105822221A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419722A (en) * | 2016-05-24 | 2017-12-01 | 周兆弟 | Defeated grey direct-injection drilling rod |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2042878U (en) * | 1986-11-05 | 1989-08-16 | 王风安 | Hydraulic pressure diving drilling machine |
| CN101319597A (en) * | 2008-07-18 | 2008-12-10 | 石家庄中煤装备制造有限公司 | Hydrodynamic force motor type hard rock deep borehole drilling device |
| KR20100080662A (en) * | 2009-01-02 | 2010-07-12 | 구영회 | High jet cutting method and ground improvement excavator which has the high-pressure water participle function for this |
| CN101962949B (en) * | 2009-07-23 | 2012-02-08 | 北京中岩大地工程技术有限公司 | Long spiral double-pipe high-pressure stir-jet grouting pile construction method and device |
| CN103600334B (en) * | 2013-12-04 | 2016-06-22 | 湖南科技大学 | Etc. wave resistance drill bit |
| CN104295230B (en) * | 2014-10-14 | 2017-02-08 | 上海金泰工程机械有限公司 | Submersible drilling machine |
| CN204199273U (en) * | 2014-11-12 | 2015-03-11 | 中国建筑东北设计研究院有限公司 | Agitation pile unit head is closed in a kind of dry wet mixing |
| CN204456083U (en) * | 2015-01-30 | 2015-07-08 | 吴文俊 | CM complexin concrete stiffened soil-cement mixing pile machine |
| CN105822221A (en) * | 2016-05-24 | 2016-08-03 | 周兆弟 | Ash conveying direct spray type drill rod |
-
2016
- 2016-05-24 CN CN201610351296.0A patent/CN105822221A/en active Pending
-
2017
- 2017-03-28 CN CN201710191482.7A patent/CN107419722A/en active Pending
- 2017-03-28 CN CN201720312767.7U patent/CN206800377U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419722A (en) * | 2016-05-24 | 2017-12-01 | 周兆弟 | Defeated grey direct-injection drilling rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107419722A (en) | 2017-12-01 |
| CN105822221A (en) | 2016-08-03 |
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