CN111877995A - Water outlet type trenching device distributed at center of main shaft of cutter head - Google Patents
Water outlet type trenching device distributed at center of main shaft of cutter head Download PDFInfo
- Publication number
- CN111877995A CN111877995A CN202010697684.0A CN202010697684A CN111877995A CN 111877995 A CN111877995 A CN 111877995A CN 202010697684 A CN202010697684 A CN 202010697684A CN 111877995 A CN111877995 A CN 111877995A
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- Prior art keywords
- water
- cutter head
- hollow
- blade disc
- transfer line
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- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 230000005540 biological transmission Effects 0.000 claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 239000004576 sand Substances 0.000 claims description 20
- 230000002633 protecting effect Effects 0.000 claims description 7
- 238000005553 drilling Methods 0.000 abstract description 16
- 238000005507 spraying Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Images
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
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/42—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
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 provides a water outlet type trenching device distributed in the center of a cutter head spindle, which comprises a fixed seat, an electric motor, hollow transmission rods, a cutter head fixing frame, a cutter head, a water passing mechanism and a positioning mechanism, wherein the bottom of the fixed seat is uniformly provided with a plurality of hollow transmission rods, a transmission assembly is connected between the hollow transmission rods, the electric motor is arranged in the fixed seat and is in transmission connection with the hollow transmission rods through the transmission assembly, the bottom of each hollow transmission rod is provided with the cutter head, the position, close to the cutter head, of each hollow transmission rod is provided with the cutter head fixing frame, and the hollow transmission rods are in rotary connection with. The invention has the advantages that on one hand, the drilling part can be softened, and the trenching efficiency of the cutter head is higher, on the other hand, the drilling part can be further cut by high-pressure water spraying, so that the trenching efficiency is further improved, and meanwhile, the cutting surface of the cutter head can be smoother by the mode.
Description
Technical Field
The invention relates to the technical field of suspended excavation devices, in particular to a water outlet type trenching device distributed at the center of a main shaft of a cutter head.
Background
The impact drilling machine is divided into a steel wire rope impact drilling machine and a drill rod impact drilling machine. Rotary drilling machines, which are divided into the following three types: vertical shaft-handle feed type, screw differential feed type, hydraulic feed type drilling machine; rotary disc type-steel rope pressure reducing type and hydraulic cylinder pressure reducing type drilling machine; moving gyrator-all-hydraulic power head type and mechanical power head type drilling machines. A composite drilling machine: the functions of vibration, impact, rotation, static pressure and the like are compounded together in different combination modes.
The submerged tank, the heavy groove stirring or hang the digging device of current blade disc center play water is boring the in-process to the geology, can produce a large amount of dusts, generally adopts a water pipe to supply water from the side and reduces the dust, and this kind of mode can exert an influence to the rig, and more toward dark place, because the space of digging is limited, the water pipe of side is big more to the influence of rig, and the result of use is not good.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a water outlet type trenching device distributed at the center of a main shaft of a cutter head.
The invention solves the technical problems through the following technical means:
a water outlet type ditching device distributed at the center of a cutter head spindle comprises a fixed seat, a motor, hollow transmission rods, a cutter head fixing frame, a cutter head, a water passing mechanism and a positioning mechanism, wherein the bottom of the fixed seat is uniformly provided with the hollow transmission rods, a transmission assembly is connected between the hollow transmission rods, the motor is arranged in the fixed seat and is in transmission connection with the hollow transmission rods through the transmission assembly, the bottom of each hollow transmission rod is provided with the cutter head, the position, close to the cutter head, of each hollow transmission rod is provided with the cutter head fixing frame, the hollow transmission rods are in rotary connection with the cutter head fixing frame, the top of the fixed seat is provided with the water passing mechanism communicated with the hollow transmission rods, the positioning mechanism is arranged between the fixed seat and the water passing mechanism, the inside of the cutter head is of a hollow structure, the longitudinal section of the cutter head, and second air outlet holes are uniformly formed in the bottom of the cutter head.
Preferably, the water flowing mechanism comprises a booster pump, a water storage bin, a three-way pipe, a dustproof air inlet head and a water outlet pipe, the booster pump is arranged on the positioning mechanism, the bottom of the booster pump is communicated with the water outlet pipe, the water outlet pipe is communicated with the hollow transmission rod, the top of the booster pump is communicated with the water storage bin and the dustproof air inlet head through the three-way pipe, and a control valve is arranged on the position, close to the water storage bin, of the three-way pipe.
Preferably, still store storehouse, conveyer pipe and solenoid electric valve including the fine sand, the fine sand is stored the storehouse and is fixed on the fixing base, the fine sand is stored and is passed through conveyer pipe intercommunication outlet pipe on the storehouse, be equipped with the solenoid electric valve in the conveyer pipe.
Preferably, the positioning mechanism comprises a positioning plate and a first fixing bearing, a water outlet pipe penetrates through the positioning plate, the first fixing bearing is fixed at the bottom of the positioning plate, and a hollow transmission rod is connected to the outer wall of the first fixing bearing.
Preferably, the outer wall of the hollow transmission rod is provided with a second fixed bearing, the outer wall of the second fixed bearing is provided with a hollow protective pipe wrapping the hollow transmission rod, the bottom of the hollow protective pipe is fixed on the cutter head fixing frame, and the top of the hollow protective pipe is fixed on the fixing seat.
Preferably, a plurality of arc-shaped convex blocks are uniformly arranged at the bottom of the cutter head.
The invention has the advantages that: the side wall of the brick is uniformly provided with first air outlet holes, the bottom of the cutter head is uniformly provided with second air outlet holes, the rotating rod adopts a hollow transmission rod, the top of the fixing seat is provided with a water mechanism, and water is supplied through the water mechanism in the rotating process of the cutter head, so that the drilling part of the cutter head is subjected to water spraying operation, on one hand, the drilling part can be softened, the trenching efficiency of the cutter head is high, on the other hand, the drilling part can be further cut through high-pressure water spraying, and therefore, the trenching efficiency is further improved; the water supply system is arranged inside the hollow transmission rod, so that the whole ditching of the drilling machine is not influenced, dust can be removed, and environmental pollution is avoided.
Drawings
FIG. 1 is a schematic structural view of a sink tank and a sink tank stirring or suspending excavation device at the center of a cutter head according to the present invention;
FIG. 2 is a schematic view of the connection between the hollow transmission rod and the positioning mechanism of the present invention;
FIG. 3 is a schematic structural diagram of a water supply mechanism according to an embodiment of the present invention;
fig. 4 is a schematic overall structure diagram of a cutter head according to an embodiment of the invention.
Reference numbers in the figures: 10. the device comprises a fixed seat, 20, a motor, 30, a hollow transmission rod, 31, a transmission assembly, 32, a second fixed bearing, 33, a hollow protective pipe, 40, a cutter head fixing frame, 50, a cutter head, 51, a first air outlet hole, 52, a second air outlet hole, 60, a water passing mechanism, 61, a booster pump, 62, a water storage bin, 63, a three-way pipe, 64, a dustproof air inlet head, 65, a water outlet pipe, 70, a fine sand storage bin, 71, a conveying pipe, 72, an electromagnetic control valve, 80, a positioning mechanism, 81, a positioning plate, 82 and the first fixed bearing.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1-2 and fig. 4, the water outlet type trenching device distributed at the center of the cutter head spindle of the present embodiment comprises a fixed seat 10, a motor 20, a hollow transmission rod 30, a cutter head fixing frame 40, a cutter head 50, a water passing mechanism 60 and a positioning mechanism 80, wherein the bottom of the fixed seat 10 is uniformly provided with a plurality of hollow transmission rods 30, a transmission assembly 31 is connected between the hollow transmission rods 30, the motor 20 is arranged in the fixed seat 10 and is in transmission connection with the hollow transmission rod 30 through the transmission assembly 31, the bottom of the hollow transmission rod 30 is provided with the cutter head 50, the position of the hollow transmission rod 30 close to the cutter head 50 is provided with the cutter head fixing frame 40, the hollow transmission rod 30 is in rotation connection with the cutter head fixing frame 40, the top of the fixed seat 10 is provided with the water passing mechanism 60 communicating the hollow transmission rod 30, the positioning, the inside of cutter disc 50 is hollow structure, the longitudinal section of cutter disc 50 is triangle-shaped structure, first venthole 51 has evenly been seted up on the lateral wall of cutter disc 50, second venthole 52 has evenly been seted up to the bottom of cutter disc 50.
The transmission assembly 31 may use a transmission belt for transmission or a gear mesh transmission.
Evenly seted up first venthole 51 on the lateral wall of brick 50, second venthole 52 has evenly been seted up to the bottom of blade disc 50, the dwang adopts hollow transfer line 30, top at fixing base 10 is equipped with water mechanism 60, carry out the pivoted in-process at blade disc 50, it leads to water through water mechanism 60, make blade disc 50 bore the position and carry out the water spray operation, can make on the one hand to bore the position and produce and soften, it is higher to be worth blade disc 50 ditching efficiency, on the other hand accessible high pressure water spray is to drilling the position and further cut, thereby further improve and improve ditching efficiency, this kind of mode simultaneously, can make the face that blade disc 50 cut out more level and more smooth, the effect of ditching is better.
As shown in fig. 3, the water passing mechanism 60 includes a booster pump 61, a water storage bin 62, a three-way pipe 63, a dustproof air inlet 64 and a water outlet pipe 65, the booster pump 61 is disposed on the positioning mechanism 80, the bottom of the booster pump 61 is communicated with the water outlet pipe 65, the water outlet pipe 65 is communicated with the hollow transmission rod 30, the top of the booster pump 61 is communicated with the water storage bin 62 and the dustproof air inlet 64 through the three-way pipe 63, and a control valve is disposed on the three-way pipe 63 near the water storage bin 62.
As shown in fig. 3, the water outlet type trenching device distributed in the center of the main shaft of the cutter head further comprises a fine sand storage bin 70, a delivery pipe 71 and an electromagnetic control valve 72, wherein the fine sand storage bin 70 is fixed on the fixed seat 10, the fine sand storage bin 70 is communicated with the water outlet pipe 65 through the delivery pipe 71, and the delivery pipe 71 is internally provided with the electromagnetic control valve 72.
The fine sand storage bin 70 stores fine sand, the fine sand in the fine sand storage bin 70 is conveyed into the water outlet pipe 65 through the conveying pipe 71 and conveyed through the water outlet pipe 65 until the fine sand is discharged from the first air outlet hole 51 and the second air outlet hole 52, and in this way, gas or water discharged from the first air outlet hole 51 and the second air outlet hole 52 can be cut into harder geology, so that the using effect is better; an electromagnetic control valve 72 is provided in the delivery pipe 71, and whether fine sand passes through the delivery pipe 71 is controlled by the electromagnetic control valve 72.
As shown in fig. 2, the positioning mechanism 80 includes a positioning plate 81 and a first fixing bearing 82, the water outlet pipe 65 penetrates through the positioning plate 81, the first fixing bearing 82 is fixed at the bottom of the positioning plate 81, and the hollow transmission rod 30 is connected to the outer wall of the first fixing bearing 82.
The positioning plate 81 is connected with the hollow transmission rod 30 through the first fixed bearing 82, so that the position of the positioning plate 81 can not rotate in the rotating process of the hollow transmission rod 30, and the use of the hollow transmission rod 30 can not be influenced.
As shown in fig. 2, a second fixed bearing 32 is arranged on the outer wall of the hollow transmission rod 30, a hollow protection tube 33 wrapping the hollow transmission rod 30 is arranged on the outer wall of the second fixed bearing 32, the bottom of the hollow protection tube 33 is fixed on a cutter head fixing frame 40, and the top of the hollow protection tube 33 is fixed on the fixing base 10.
Through the setting of cavity protecting tube 33, can protect hollow transmission shaft 30, avoid hollow transmission shaft 30 to produce the damage for hollow transmission shaft 30's life increases, is equipped with second fixing bearing 32 between cavity protecting tube 33 and the hollow transmission shaft 30, can make hollow transmission shaft 30 rotate the in-process, and cavity protecting tube 33 does not take place to rotate, and is better to hollow transmission shaft 30's protecting effect.
As shown in fig. 4, a plurality of arc-shaped convex blocks are uniformly arranged at the bottom of the cutter disc 50; through the setting of arc lug, can make the cutter disc 50 roughness bigger for cutter disc 50 is better to the brill effect of earth.
In the embodiment, when the trenching device is used, the motor 20 drives the hollow transmission rod 30 to rotate through the transmission assembly 31, so that the cutter disc 50 at the bottom of the hollow transmission rod 30 rotates along with the hollow transmission rod, the booster pump 61 works in the rotating process of the cutter disc 50 to increase the pressure of the gas or water conveyed in the water outlet pipe 65, the gas or water is finally discharged from the first air outlet hole 51 and the second air outlet hole 52 formed in the cutter disc 50, in addition, the electromagnetic control valve 72 in the conveying pipe 71 is opened, so that the fine sand in the fine sand storage bin 70 is conveyed to the hollow transmission rod 30, the fine sand is driven to be discharged along with the gas or water in the hollow transmission rod 30, so that the water or air discharged from the first air outlet hole 51 and the second air outlet hole 52 is doped with the fine sand, the trenching device has a better drilling effect on geolo.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides a blade disc main shaft center distributes play water formula ditching device which characterized in that: including fixing base (10), motor (20), hollow transfer line (30), blade disc mount (40), blade disc (50), lead to water mechanism (60) and positioning mechanism (80), the bottom of fixing base (10) evenly is equipped with a plurality of hollow transfer lines (30), be connected with drive assembly (31) between hollow transfer line (30), be equipped with motor (20) in fixing base (10), hollow transfer line (30) is connected through drive assembly (31) transmission in motor (20), the bottom of hollow transfer line (30) is equipped with blade disc (50), be close to blade disc (50) position department on hollow transfer line (30) and be equipped with blade disc mount (40), rotate between hollow transfer line (30) and blade disc mount (40) and be connected, the top of fixing base (10) is equipped with the lead to water mechanism (60) of intercommunication hollow transfer line (30), be equipped with positioning mechanism (80) between fixing base (10) and water mechanism (60), the inside of blade disc (50) is hollow structure, the longitudinal section of blade disc (50) is the triangle-shaped structure, first venthole (51) have evenly been seted up on the lateral wall of blade disc (50), second venthole (52) have evenly been seted up to the bottom of blade disc (50).
2. The cutterhead spindle centrally located underdrain trenching assembly of claim 1 wherein: the water passing mechanism (60) comprises a booster pump (61), a water storage bin (62), a three-way pipe (63), a dustproof air inlet head (64) and a water outlet pipe (65), the booster pump (61) is arranged on a positioning mechanism (80), the bottom of the booster pump (61) is communicated with the water outlet pipe (65), the water outlet pipe (65) is communicated to a hollow transmission rod (30), the top of the booster pump (61) is communicated with the water storage bin (62) and the dustproof air inlet head (64) through the three-way pipe (63), and a control valve is arranged at a position, close to the water storage bin (62), on the three-way pipe (63).
3. The cutterhead spindle centrally located underdrain trenching assembly of claim 2 wherein: still store storehouse (70), conveyer pipe (71) and solenoid electric valve (72) including fine sand, fine sand stores storehouse (70) and fixes on fixing base (10), fine sand stores storehouse (70) and goes up through conveyer pipe (71) intercommunication outlet pipe (65), be equipped with solenoid electric valve (72) in conveyer pipe (71).
4. The cutterhead spindle centrally located underdrain apparatus of claim 3, wherein: positioning mechanism (80) include locating plate (81) and first fixing bearing (82), wear to be equipped with outlet pipe (65) in locating plate (81), the bottom of locating plate (81) is fixed with first fixing bearing (82), be connected with hollow transfer line (30) on first fixing bearing (82) outer wall.
5. The cutterhead spindle center distribution water trenching assembly of claim 4 wherein: be equipped with second fixed bearing (32) on the outer wall of hollow transfer line (30), second fixed bearing (32) outer wall is equipped with cavity protecting tube (33) of parcel hollow transfer line (30), cavity protecting tube (33) bottom is fixed at blade disc mount (40), cavity protecting tube (33) top is fixed on fixing base (10).
6. The cutterhead spindle centrally located underdrain apparatus of any one of claims 1-5, wherein: the bottom of the cutter head (50) is uniformly provided with a plurality of arc-shaped convex blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010697684.0A CN111877995A (en) | 2020-07-20 | 2020-07-20 | Water outlet type trenching device distributed at center of main shaft of cutter head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010697684.0A CN111877995A (en) | 2020-07-20 | 2020-07-20 | Water outlet type trenching device distributed at center of main shaft of cutter head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111877995A true CN111877995A (en) | 2020-11-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010697684.0A Pending CN111877995A (en) | 2020-07-20 | 2020-07-20 | Water outlet type trenching device distributed at center of main shaft of cutter head |
Country Status (1)
| Country | Link |
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| CN (1) | CN111877995A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529726A (en) * | 2021-08-27 | 2021-10-22 | 重庆大学 | High-pressure water jet cast-in-situ bored pile construction equipment and construction method |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU829850A1 (en) * | 1979-07-09 | 1981-05-15 | Днепропетровский Ордена Трудовогокрасного Знамени Горный Институт Им.Aptema | Water-jet rock-breaking tool |
| JP2008106426A (en) * | 2006-10-23 | 2008-05-08 | Nippon Hume Corp | Method for burying preboring-type precast concrete pile |
| CN102022078A (en) * | 2009-09-11 | 2011-04-20 | 中国石化集团胜利石油管理局钻井工艺研究院 | Particle percussive drilling method and device |
| CN103075180A (en) * | 2013-01-15 | 2013-05-01 | 中国矿业大学 | Gas-liquid two-phase jet slotting system and method |
| CN103510936A (en) * | 2013-10-08 | 2014-01-15 | 中国矿业大学 | Double-ejector type three-phase jet flow slotting system and method |
| CN103556947A (en) * | 2013-11-15 | 2014-02-05 | 重庆大学 | Coal mine underground self-suction abrasive jet flow drill bit and drilling method |
| CN105239928A (en) * | 2015-09-18 | 2016-01-13 | 中国矿业大学 | Ultrahigh-pressure swirling abrasive water jet drilling machine |
| CN205605209U (en) * | 2016-05-05 | 2016-09-28 | 湖南科技大学 | Multi -functional coal seam scour protection efflux drilling joint -cutting shower nozzle |
| CN107574816A (en) * | 2017-09-14 | 2018-01-12 | 广西大学 | Detachable rotation type drilling pile tube and construction method |
| CN109057716A (en) * | 2018-09-07 | 2018-12-21 | 福建永强岩土股份有限公司 | One kind having water jetting at high pressure stream pore-forming rotary digging drill bit and its construction method |
| CN209385061U (en) * | 2019-01-12 | 2019-09-13 | 江西理工大学 | A kind of sandblasting drilling machine |
| CN110410093A (en) * | 2019-08-31 | 2019-11-05 | 中铁工程装备集团有限公司 | A kind of high pressure water cavitation broken rock TBM and its construction method |
-
2020
- 2020-07-20 CN CN202010697684.0A patent/CN111877995A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU829850A1 (en) * | 1979-07-09 | 1981-05-15 | Днепропетровский Ордена Трудовогокрасного Знамени Горный Институт Им.Aptema | Water-jet rock-breaking tool |
| JP2008106426A (en) * | 2006-10-23 | 2008-05-08 | Nippon Hume Corp | Method for burying preboring-type precast concrete pile |
| CN102022078A (en) * | 2009-09-11 | 2011-04-20 | 中国石化集团胜利石油管理局钻井工艺研究院 | Particle percussive drilling method and device |
| CN103075180A (en) * | 2013-01-15 | 2013-05-01 | 中国矿业大学 | Gas-liquid two-phase jet slotting system and method |
| CN103510936A (en) * | 2013-10-08 | 2014-01-15 | 中国矿业大学 | Double-ejector type three-phase jet flow slotting system and method |
| CN103556947A (en) * | 2013-11-15 | 2014-02-05 | 重庆大学 | Coal mine underground self-suction abrasive jet flow drill bit and drilling method |
| CN105239928A (en) * | 2015-09-18 | 2016-01-13 | 中国矿业大学 | Ultrahigh-pressure swirling abrasive water jet drilling machine |
| CN205605209U (en) * | 2016-05-05 | 2016-09-28 | 湖南科技大学 | Multi -functional coal seam scour protection efflux drilling joint -cutting shower nozzle |
| CN107574816A (en) * | 2017-09-14 | 2018-01-12 | 广西大学 | Detachable rotation type drilling pile tube and construction method |
| CN109057716A (en) * | 2018-09-07 | 2018-12-21 | 福建永强岩土股份有限公司 | One kind having water jetting at high pressure stream pore-forming rotary digging drill bit and its construction method |
| CN209385061U (en) * | 2019-01-12 | 2019-09-13 | 江西理工大学 | A kind of sandblasting drilling machine |
| CN110410093A (en) * | 2019-08-31 | 2019-11-05 | 中铁工程装备集团有限公司 | A kind of high pressure water cavitation broken rock TBM and its construction method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529726A (en) * | 2021-08-27 | 2021-10-22 | 重庆大学 | High-pressure water jet cast-in-situ bored pile construction equipment and construction method |
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Application publication date: 20201103 |