CN106948767A - A kind of churning drilling rod - Google Patents
A kind of churning drilling rod Download PDFInfo
- Publication number
- CN106948767A CN106948767A CN201710286934.XA CN201710286934A CN106948767A CN 106948767 A CN106948767 A CN 106948767A CN 201710286934 A CN201710286934 A CN 201710286934A CN 106948767 A CN106948767 A CN 106948767A
- Authority
- CN
- China
- Prior art keywords
- ring
- connecting cylinder
- drilling rod
- jet
- drill bit
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims description 13
- 230000004888 barrier function Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 230000006872 improvement Effects 0.000 description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011083 cement mortar Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000008398 formation water Substances 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000009466 transformation Effects 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/18—Pipes provided with plural fluid passages
-
- 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
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/61—Drill bits characterised by conduits or nozzles for drilling fluids characterised by the nozzle structure
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (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 invention provides a kind of churning drilling rod, including drill bit, back-up ring, inner cylinder, outer barrel and connecting cylinder, wherein, the sidepiece of drill bit is embedded with some first jets, and some second nozzles are embedded with the sidepiece of connecting cylinder, the second nozzle forms pressure-air jet and high pressure water jets loophole annular in shape.In the present invention, three independent dielectric transmission channels are formed in churning drilling rod, and ejected water under high pressure mud, water under high pressure and pressure-air with second nozzle by first jet, and progress reaming, rotary jet grouting are horizontally rotated by drill bit work, to ultimately form concrete pile；Pass through the present invention, it is to avoid use rubber hose pumped (conveying) medium, it is achieved thereby that extension life-span, the effect of reduction fault rate, while the internal structure of churning drilling rod is simplified, with technological merit easy to maintenance.
Description
Technical field
The present invention relates to technical field of engineering machinery, more particularly to a kind of one kind used cooperatively with high-pressure rotary-spray unit head
Churning drilling rod.
Background technology
Jet drill rig is a kind of for media such as conveying high-pressure cement mortar, pressure-air and water under high pressures, in the work of high pressure
Under the conditions of, it can guarantee that a kind of boring means of lasting dynamic close property and quiet close property.A high pressure is usually provided with jet drill rig
Churning unit head, and by the high-pressure rotary-spray unit head carried out water under high pressure mud, pressure-air and water under high pressure by drilling rod defeated
Send, and the final injection in the churning drilling rod positioned at drilling rod end, and ground is carried out by the rotary drill portion of churning drilling rod end
Rotary drill, and reaming, rotary jet grouting are carried out by horizontally rotating, to ultimately form concrete pile.
Churning drilling rod of the prior art generally sets multiple rubber hose to convey three kinds of media inside drilling rod.
Because the life-span of rubber hose has certain limitation, therefore after using the regular hour, rubber hose can be due to aging
Break down.Therefore, there is the relatively low defect of service life in traditional churning drilling rod.Meanwhile, churning drilling rod of the prior art
In the presence of generally integrated structure design is used, very big difficulty can be brought to maintenance if some internal part is damaged.
In view of this, it is necessary to churning drilling rod of the prior art is improved, to solve the above problems.
The content of the invention
It is an object of the invention to disclose a kind of churning drilling rod, to realize the long-life, less trouble effect, while simple
Change the internal structure of churning drilling rod, in order to repair.
For achieving the above object, the invention provides a kind of churning drilling rod, including：Drill bit, is axially assembled with drill bit
Back-up ring, interior barrel and an external barrel, be in the connecting cylinder of integral structure with outer barrel, and be embedded between inner cylinder and connecting cylinder and nested
The first sleeve and second sleeve set；Drill bit internal formation whitewashing room, and sidepiece be embedded symmetrically arranged even number with
The first jet of whitewashing room connection, the first jet formation water under high pressure mud jet；The inner cylinder is by the first connecting cylinder, core
Pipe and the axial clamping of the second connecting cylinder are formed, and form the hollow channel connected with whitewashing room, and second connecting cylinder is extended into
In second sleeve；The sidepiece of the connecting cylinder is embedded symmetrically arranged even number second nozzle；The connecting cylinder and the first sleeve
Between form the first ring-shaped cavity, form the second ring-shaped cavity between first sleeve and second sleeve；The second nozzle
Formed and connected with the first ring-shaped cavity and pressure-air jet annular in shape and the water under high pressure that is connected with the second ring-shaped cavity
Jet；One end end tool that the connecting cylinder is in reverse to drill bit is open, and offers screw thread on the madial wall of connecting cylinder.
As a further improvement on the present invention, the drill bit includes the rotary-cut portion in cone and installation portion；Described first
Nozzle is embedded the sidepiece in installation portion.
As a further improvement on the present invention, the 3rd ring-shaped cavity is formed between the inner cylinder and outer barrel.
As a further improvement on the present invention, the back-up ring barrier whitewashing room and the 3rd ring-shaped cavity.
As a further improvement on the present invention, the sidepiece of the drill bit is embedded the symmetrically arranged first jet of two rows.
As a further improvement on the present invention, the first jet is internally formed cone-shaped cavity, the cone-shaped cavity it is interior
The taper of wall is 0.1~0.3.
Compared with prior art, the beneficial effects of the invention are as follows：In the present invention, three independences are formed in churning drilling rod
Dielectric transmission channel, and water under high pressure mud, water under high pressure and pressure-air are ejected with second nozzle by first jet,
And make to horizontally rotate progress reaming, rotary jet grouting by drill bit, to ultimately form concrete pile；Pass through the present invention, it is to avoid make
Rubber hose pumped (conveying) medium is used, it is achieved thereby that extension life-span, the effect of reduction fault rate, while simplifying the interior of churning drilling rod
Portion's structure, with technological merit easy to maintenance.
Brief description of the drawings
Fig. 1 is a kind of axial sectional view of churning drilling rod in the present invention；
Fig. 2 is the sectional view of the line A-A along along Fig. 1；
Fig. 3 is the cross-sectional structure schematic diagram of first jet vertically shown in Fig. 1；
Fig. 4 is the cross-sectional structure schematic diagram of second nozzle vertically shown in Fig. 1.
Embodiment
The present invention is described in detail for shown each embodiment below in conjunction with the accompanying drawings, but it should explanation, these
Embodiment not limitation of the present invention, those of ordinary skill in the art according to these embodiment institute work energy, method,
Or equivalent transformation or replacement in structure, belong within protection scope of the present invention.
It please join Fig. 1 to a kind of a kind of embodiment of churning drilling rod of the invention illustrated in fig. 4.
In the present embodiment, a kind of churning drilling rod, including：Drill bit 10, the back-up ring 21 axially assembled with drill bit 10, inner cylinder
And outer barrel, it is in the connecting cylinder 26 of integral structure with outer barrel, and be embedded between inner cylinder and connecting cylinder 26 and nested setting
First sleeve 27 and second sleeve 32.
Drill bit 10 includes the rotary-cut portion 11 and installation portion 12 in cone.The first jet 20 is embedded in installation portion 12
Sidepiece.Installation portion 12 offers two circle column-like paths 14, and forms at the opening of column-like paths 14 step 141, first
In the insertion column-like paths 14 of nozzle 20.The column-like paths 14 are connected with whitewashing room 13.It is delivered to the water under high pressure mud of whitewashing room 13
It can laterally be sprayed along the direction of arrow 200 from column-like paths 14, and injection high pressure is carried out eventually through multiple first jets 20
Cement mortar.
Rotary-cut portion 11 is in cone and is integrally made of hard alloy, and is formed with installation portion 12 by way of welding
One entirety.Drill bit 10 is internally formed whitewashing room 13, and sidepiece be embedded that symmetrically arranged even number is connected with room 13 of whitewashing the
One nozzle 20, the formation water under high pressure mud of first jet 20 jet 203.Specifically, the sidepiece of the drill bit 10 is embedded two
Arrange symmetrically arranged first jet 20.Coordinate shown in reference picture 2, each circle or each row include five in the sidepiece of drill bit 10
First jet 20.Room 13 whitewash substantially in cylindrical shape.
In the present embodiment, inner cylinder is formed by the first connecting cylinder 22, the axial clamping of 23 and second connecting cylinder of core pipe 25, and
Form the hollow channel connected with whitewashing room 13.Second connecting cylinder 25 is extended into second sleeve 32.The axle of first connecting cylinder 22
Portion forms hollow channel 221, and encloses groove in the two ends end difference three of the first connecting cylinder 22, and is embedded in a groove O-shaped close
Seal 222 and O-ring seal 223.Three circle grooves are also equipped with the lateral surface of back-up ring 21, and are embedded O-shaped sealing in a groove
Circle 211.The two ends end of first connecting cylinder 22 is formed with step 224 and step 225, and passes through step 224 and installation portion 12
Common gripping collar 21.The inside of core pipe 23 is in hollow structure, and one end end 232 and the clamping of step 225.And by O-shaped close
Seal 223 prevents water under high pressure mud from entering in the 3rd ring-shaped cavity 241.
Meanwhile, the second connecting cylinder 25 and the clamping of other end end 233 of core pipe 23.The inside of second connecting cylinder 25 in it is hollow simultaneously
With hollow channel 251, and form the O-ring seal 252 of the end 233 of clamping core pipe 23.Meanwhile, the face of the second connecting cylinder 25
Some circle grooves are equally set to one end of connecting cylinder 26, and are embedded O-ring seal 253 and O-ring seal 254 in a groove,
To keep the holding between the second connecting cylinder 25 and second sleeve 32 to seal by O-ring seal 253 and O-ring seal 254.
The sidepiece of connecting cylinder 26 be embedded symmetrically arranged even number second nozzle 29 state the sleeve 27 of connecting cylinder 26 and first it
Between form the first ring-shaped cavity 28, the second ring-shaped cavity 30 is formed between the first sleeve 27 and second sleeve 32.Second sleeve 32
It is internally formed hollow channel 321.The formation of second nozzle 29 is connected and pressure-air injection annular in shape with the first ring-shaped cavity 28
Mouth 296 and the high pressure water jets loophole 294 connected with the second ring-shaped cavity 30.Connecting cylinder 26 is in reverse to one end end of drill bit 10
Tool opening 261, and offer on the madial wall of connecting cylinder 26 screw thread 262.So as to firm with being internally formed by the screw thread 262
The extension bar (not shown) of property structure, and lengthen and extend, and can extend into the depth of below ground with the churning drilling rod,
It is socketed many extension bars.
Three rigid media transport paths are formed in extension bar.Three rigid media transport paths are respectively by water under high pressure
Mud, pressure-air and water under high pressure are delivered in hollow channel 321, the second ring-shaped cavity 30 and the first ring-shaped cavity 28.Enter one
Step, water under high pressure and pressure-air are laterally sprayed by second nozzle 29, and water under high pressure mud is laterally sprayed by first jet 20.
Water under high pressure mud is delivered to whitewashing room by hollow channel 321, hollow channel 251, hollow channel 231, hollow channel 221 respectively
In 13.
With reference to shown in reference picture 3 and Fig. 4, in the present embodiment, the 3rd ring chamber is formed between the inner cylinder and outer barrel 24
Body 241.The barrier whitewashing ring-shaped cavity 241 of room 13 and the 3rd of back-up ring 21.First jet 20 is internally formed cone-shaped cavity 204, described
The taper of the internal face 205 of cone-shaped cavity 204 is 0.1~0.3, and most preferably 0.2.First jet 20 includes installation portion 201
And injection disk 202.The water under high pressure mud jet 203 connected with cone-shaped cavity 204 is offered in the injection disk 202.Installation portion
201 block column-like paths 14, and are resisted against by spraying disk 202 on step 141, and realize reliable assembling.
In the present embodiment, three circle O-ring seals 281 are provided between the sleeve 27 of second sleeve 32 and first, the
Three are set to enclose O-ring seals 271 between one sleeve 27 and connecting cylinder 26, so that by above-mentioned O-ring seal 281 by the second ring-type
Cavity 30 and the 3rd ring-shaped cavity 241 are mutually isolated；Simultaneously by above-mentioned O-ring seal 271 by the first ring-shaped cavity 28 and the
Three ring-shaped cavities 241 are mutually isolated.The sidepiece of first sleeve 27 offers some column-like paths 322, and the column-like paths 322 connect
Continuous insertion the first ring-shaped cavity 28 and the second ring-shaped cavity 30.Second nozzle 29 is embedded in the column-like paths 322.
The second nozzle 29 includes installation portion 291, the injection disk 295, the injection disk being fastened in column-like paths 322
The high pressure water jets loophole 294 of circle is formed in 295 and is circular layout in the high pressure sky of the radial outside of high pressure water jets loophole 294
Gas blowout loophole 296, the pressure-air jet 296 is in annular.The pressure-air jet 296 is passed through with the first ring-shaped cavity 28
It is logical, the insertion of 294 and second ring-shaped cavity of high pressure water jets loophole 30.Column-like paths 322 are blocked by installation portion 291, to prevent
Only the first ring-shaped cavity 28 is mixed with the different medium flowed through in the second ring-shaped cavity 30.
Meanwhile, in the present embodiment, first sleeve 27 towards also opening up fluted on the side of open 261 one end,
And O-ring seal 272 is embedded in a groove.First sleeve 27 is arranged the stop cylinder for axially protruding out setting towards open one end
31, guiding and the effect separated are realized to water under high pressure and pressure-air to play, with water under high pressure respectively and pressure-air input to
In second ring-shaped cavity 30 and the first ring-shaped cavity 28.
Specifically, the second nozzle 29 axial arrangement has cone-shaped cavity 292, the internal face 293 of the cone-shaped cavity 292 it
Between angle be 20 degree.The flow velocity of the water under high pressure sprayed from high pressure water jets loophole 294 is remarkably improved by this structure, is carried
The high impact effect to soil.Meanwhile, pressure-air jet 296 is made up of inner ring surface 298 with outer ring surface 297.Inner ring surface 298
Longitudinal extending direction holding with the churning drilling rod is vertical, outer ring surface 297 and Longitudinal extending of the inner ring surface 298 along second nozzle 29
Direction is intersected, and specifically forms 15 degree of angle.
Involved all component in present embodiment, in addition to O-ring seal, can use hard alloy, such as molybdenum
Evanohm or nichrome are made.
Those listed above is a series of to be described in detail only for feasibility embodiment of the invention specifically
Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should be included within the scope of the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (6)
1. a kind of churning drilling rod, it is characterised in that including：
Drill bit (10), the back-up ring (21) axially assembled with drill bit, interior barrel and an external barrel are in the connecting cylinder of integral structure with outer barrel
(26), and be embedded between inner cylinder and connecting cylinder (26) and nested setting the first sleeve (27) and second sleeve (32)；
The drill bit (10) is internally formed whitewashing room (13), and sidepiece is embedded symmetrically arranged even number and connected with whitewashing room (13)
First jet (20), the first jet (20) forms water under high pressure mud jet (203)；
The inner cylinder is formed by the axial clamping of the first connecting cylinder (22), core pipe (23) and the second connecting cylinder (25), and is formed and spray
The hollow channel of room (13) connection is starched, second connecting cylinder (25) is extended into second sleeve (32)；
The sidepiece of the connecting cylinder (26) is embedded symmetrically arranged even number second nozzle (29)；
Form the first ring-shaped cavity (28) between the connecting cylinder (26) and the first sleeve (27), first sleeve (27) and the
The second ring-shaped cavity (30) is formed between two sleeves (32)；The second nozzle (29) forms and connected with the first ring-shaped cavity (28)
And pressure-air jet (296) annular in shape and the high pressure water jets loophole (294) that is connected with the second ring-shaped cavity (30)；
One end end tool that the connecting cylinder (26) is in reverse to drill bit (10) is open (261), and is opened on the madial wall of connecting cylinder
Provided with screw thread (262).
2. churning drilling rod according to claim 1, it is characterised in that the drill bit (10) includes the rotary-cut portion in cone
And installation portion (12) (11)；The first jet (20) is embedded the sidepiece in installation portion (12).
3. churning drilling rod according to claim 1, it is characterised in that the 3rd ring chamber is formed between the inner cylinder and outer barrel
Body (241).
4. churning drilling rod according to claim 3, it is characterised in that back-up ring (21) barrier whitewashing room (13) and the 3rd
Ring-shaped cavity (241).
5. churning drilling rod according to claim 1, it is characterised in that the sidepiece of the drill bit (10) is embedded two rows and symmetrically set
The first jet (20) put.
6. churning drilling rod according to claim 1, it is characterised in that the first jet (20) is internally formed cone-shaped cavity
(204), the taper of the internal face (205) of the cone-shaped cavity (204) is 0.1~0.3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710286934.XA CN106948767A (en) | 2017-04-27 | 2017-04-27 | A kind of churning drilling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710286934.XA CN106948767A (en) | 2017-04-27 | 2017-04-27 | A kind of churning drilling rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106948767A true CN106948767A (en) | 2017-07-14 |
Family
ID=59476952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710286934.XA Pending CN106948767A (en) | 2017-04-27 | 2017-04-27 | A kind of churning drilling rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106948767A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448160A (en) * | 2017-08-08 | 2017-12-08 | 中国石油大学(北京) | Counterflush drilling device |
| CN110984156A (en) * | 2019-11-08 | 2020-04-10 | 许昌学院 | High pressure jet grouting device for civil engineering |
| CN114517644A (en) * | 2022-03-16 | 2022-05-20 | 江苏永联精筑建设集团有限公司 | Novel high-pressure jet grouting pile drill rod system |
| CN115178581A (en) * | 2021-04-01 | 2022-10-14 | 同济大学 | Soil remediation method by using high-pressure stirring and spraying liquid |
| CN115178580A (en) * | 2021-04-01 | 2022-10-14 | 同济大学 | Even number axle multistage high pressure stirring liquid spray device |
| CN115596354A (en) * | 2022-12-13 | 2023-01-13 | 甘肃水利机械化工程有限责任公司（Cn） | Rotary spraying type river channel drilling device |
| CN118979701A (en) * | 2024-08-08 | 2024-11-19 | 广州海洋地质调查局 | Dual-column differential injection tool and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3376519B2 (en) * | 1999-10-27 | 2003-02-10 | 秀吉 鈴江 | Muddy water hammer |
| CN103758130A (en) * | 2014-01-22 | 2014-04-30 | 江苏省无锡探矿机械总厂有限公司 | Multi-medium ultrahigh pressure nozzle |
| CN204627414U (en) * | 2015-04-02 | 2015-09-09 | 无锡市安曼工程机械有限公司 | A kind of drill bit for quadruple high-pressure rotary-spray |
| CN105386727A (en) * | 2015-12-15 | 2016-03-09 | 重庆九州探矿机械技术开发公司 | Jet-grouting drilling rig and double-tube jet-grouting drilling bit thereof |
| CN206071451U (en) * | 2016-09-14 | 2017-04-05 | 宜兴市周铁镇东晟机械设备厂 | Triple impact churning drilling tools |
-
2017
- 2017-04-27 CN CN201710286934.XA patent/CN106948767A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3376519B2 (en) * | 1999-10-27 | 2003-02-10 | 秀吉 鈴江 | Muddy water hammer |
| CN103758130A (en) * | 2014-01-22 | 2014-04-30 | 江苏省无锡探矿机械总厂有限公司 | Multi-medium ultrahigh pressure nozzle |
| CN204627414U (en) * | 2015-04-02 | 2015-09-09 | 无锡市安曼工程机械有限公司 | A kind of drill bit for quadruple high-pressure rotary-spray |
| CN105386727A (en) * | 2015-12-15 | 2016-03-09 | 重庆九州探矿机械技术开发公司 | Jet-grouting drilling rig and double-tube jet-grouting drilling bit thereof |
| CN206071451U (en) * | 2016-09-14 | 2017-04-05 | 宜兴市周铁镇东晟机械设备厂 | Triple impact churning drilling tools |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448160A (en) * | 2017-08-08 | 2017-12-08 | 中国石油大学(北京) | Counterflush drilling device |
| CN107448160B (en) * | 2017-08-08 | 2023-08-15 | 中国石油大学(北京) | Reverse circulation well drilling device |
| CN110984156A (en) * | 2019-11-08 | 2020-04-10 | 许昌学院 | High pressure jet grouting device for civil engineering |
| CN115178581A (en) * | 2021-04-01 | 2022-10-14 | 同济大学 | Soil remediation method by using high-pressure stirring and spraying liquid |
| CN115178580A (en) * | 2021-04-01 | 2022-10-14 | 同济大学 | Even number axle multistage high pressure stirring liquid spray device |
| CN115178581B (en) * | 2021-04-01 | 2024-05-07 | 同济大学 | Soil remediation method using high-pressure stirring liquid spraying |
| CN115178580B (en) * | 2021-04-01 | 2024-05-28 | 同济大学 | Even-axis multi-stage high-pressure stirring liquid spraying device |
| CN114517644A (en) * | 2022-03-16 | 2022-05-20 | 江苏永联精筑建设集团有限公司 | Novel high-pressure jet grouting pile drill rod system |
| CN115596354A (en) * | 2022-12-13 | 2023-01-13 | 甘肃水利机械化工程有限责任公司（Cn） | Rotary spraying type river channel drilling device |
| CN118979701A (en) * | 2024-08-08 | 2024-11-19 | 广州海洋地质调查局 | Dual-column differential injection tool and method |
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Application publication date: 20170714 |