CN109236176A - high-pressure water jet rock drilling machine - Google Patents
high-pressure water jet rock drilling machine Download PDFInfo
- Publication number
- CN109236176A CN109236176A CN201811407224.9A CN201811407224A CN109236176A CN 109236176 A CN109236176 A CN 109236176A CN 201811407224 A CN201811407224 A CN 201811407224A CN 109236176 A CN109236176 A CN 109236176A
- Authority
- CN
- China
- Prior art keywords
- pressure water
- water jet
- water pipe
- tool joint
- rock drilling
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 238000005553 drilling Methods 0.000 title claims abstract description 53
- 239000011435 rock Substances 0.000 title claims abstract description 31
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000005507 spraying Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 11
- 210000004907 gland Anatomy 0.000 claims description 4
- 239000010979 ruby Substances 0.000 claims description 3
- 229910001750 ruby Inorganic materials 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract description 4
- 239000002440 industrial waste Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/05—Swivel joints
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
Abstract
The invention discloses a kind of high-pressure water jet rock drilling machines, it includes pedestal, high-pressure water jet spraying system and rotation driving；Pedestal includes guide rail and the propeller that can move along the rail, is equipped with multiple support frames on guide rail and propeller；High-pressure water jet spraying system includes the high-pressure hydraulic pump being sequentially communicated, flexible water pipe, rotary joint, drilling rod and waterpower drill bit, rotary joint includes interconnected water pipe head and tool joint, tool joint can be rotated freely around rotary joint axial centre, high-pressure water jet spraying system is by the way that in supporting element installation pedestal, impeller driven drilling rod and waterpower connector are moved back and forth along guide rail；Rotation driving is assemblied on propeller for driving drilling rod to rotate.Entire rock drilling process will not generate any industrial waste gas, will not generate a large amount of dust, avoid polluting the environment when work, guarantee that working environment cleaning prevents from causing damages to worker's health, and production efficiency with higher is low.
Description
Technical field
The present invention relates to a kind of mining machines, more particularly to a kind of high-pressure water jet rock drilling machine.
Background technique
Existing rock drilling machine mainly has air rock drill and hydraulic chisel machine, and drills for stone are mainly rotated by mechanical high-speed
It squeezes shearing and transplants rock stratum with mill.Big capacity industrial waste gas can be generated using pneumatic, hydraulic rock, mechanical rock breaking can generate a large amount of dust,
Environment is caused seriously to pollute, is caused damages to worker's health, and production efficiency is low.
Summary of the invention
The purpose of the present invention is to solve the shortcomings of the prior art place, provides a kind of pollution-free and will not endanger operator
The high-pressure water jet rock drilling machine of health.
This high-pressure water jet rock drilling machine provided by the invention, it includes pedestal, high-pressure water jet spraying system and rotation
Turn driving；Pedestal includes guide rail and the propeller that can move along the rail, is equipped with multiple support frames on guide rail and propeller；High pressure
Water jet spraying system includes that the high-pressure hydraulic pump being sequentially communicated, flexible water pipe, rotary joint, drilling rod and waterpower drill bit, rotation connect
Head includes interconnected water pipe head and tool joint, and tool joint can be rotated freely around rotary joint axial centre, high
Pressure water jet spraying system is by the way that in supporting element installation pedestal, impeller driven drilling rod and waterpower connector are moved back and forth along guide rail；
Rotation driving is assemblied on propeller for driving drilling rod to rotate.
In a specific embodiment, making the rotary joint further includes housing and prismatic pad；Housing is both ends open
Cylindrical type body, inner wall is equipped with positioning convex platform, and the water pipe head and the tool joint be respectively arranged in housing, position
In the two sides of positioning convex platform, the axial centre of water pipe head, prismatic pad and tool joint is equipped with water hole, water pipe head and brill
The water hole of knock-off joint is connected to by prismatic pad.
Preferably, making the water pipe head cylinder type joint, the outer wall of axial ends is equipped with screw thread, middle part is set
There is the stop collar of evagination, the both ends of water pipe head water hole are the horn mouth extended out, and water pipe head one end is protruded into outer tube, limited
Position ring is stuck in the nozzle of outer tube.
Preferably, being equipped with the cylinder body of column type, the inner wall of cylinder body in the inner cavity that the housing corresponds to positioning convex platform side
It is connected with positioning sleeve, the inner end of water pipe head is threadedly coupled with positioning sleeve, between the root and cylinder body of water pipe head inner end screw thread
Equipped with sealing ring.
Preferably, making the tool joint single piece, the middle part of tool joint is equipped with the shaft shoulder, and water is crossed in tool joint
Hole both ends are the horn mouth extended out, the inner end of tool joint extends in the cylinder body, the inside of the shaft shoulder is contacted with positioning convex platform,
The outer wall of outer end is equipped with screw thread；The both ends of the prismatic pad are installed in respectively in water pipe head and tool joint inner end horn mouth.
Preferably, being equipped with movable sealing component between the inner end and cylinder body of the tool joint；The axis of tool joint
Shoulder is equipped with the groove for embedded sealing ring, and tool joint, which corresponds to, is equipped with thrust between entity section and the housing outside the shaft shoulder
Set, is equipped with thrust roller bearing between the outer end face of the shaft shoulder and the inner face of thrust housing, tool joint corresponds to the entity outside the shaft shoulder
Single-row radial ball bearing is equipped between thrust housing；One end of the housing is connected with by fastener for compressing water pipe head
End cap, the other end is connected with the gland for compressing thrust housing by fastener.
In a specific embodiment, making the waterpower drill bit includes drill main body and nozzle；One end of drill main body
It is output end for input terminal, the other end, the fluidic channel that bore reduces from input terminal to output end, nozzle dress is set in drill main body
Exit assigned in fluidic channel.
Preferably, making the drill main body hexagonal prisms, the end face of the output end of drill main body is externally provided with hard alloy
Cutter head；The fluidic channel includes input cavity and output cavity, and the outer wall of input cavity is equipped with screw thread, and input cavity includes straightway and half
Ball section, output cavity have multiple, the straightway coaxial arrangement of one of them and input cavity, axial direction of other output cavities about straightway
Center circular array arrangement, the outlet of output cavity are horn mouth；The nozzle is ruby nozzle.
In a specific embodiment, propelling cylinder, the piston rod of propelling cylinder and propulsion are equipped on the pedestal
Device is connected.
In a specific embodiment, making the rotation driving includes hydraulic motor and reduction gearbox；The one of the drilling rod
End is connected with the tool joint of rotary joint, the other end is connected with waterpower drill bit, the middle part of drilling rod and the output shaft phase of reduction gearbox
Even；The rotary joint and rotation are driven through support frame and are assemblied on propeller.
High pressure water is formed in the use of the present invention, external water source is pumped into flexible water pipe using high-pressure hydraulic pump, high pressure water
It send through rotary joint and drilling rod to waterpower drill bit, the driving drilling rod of rotation driving at this time and waterpower bit rotate high pressure water
Injection cut to rock layer surface, fractured rock, and by propeller work drive drilling rod and the propulsion of waterpower drill bit so as to
In cutting and it is crushed.Entire rock drilling process will not generate any industrial waste gas, will not generate a large amount of dust, when avoiding work pair
Environment pollutes, and guarantees that working environment cleaning prevents from causing damages to worker's health, and production with higher is imitated
Rate is low.
Detailed description of the invention
Fig. 1 is the use state diagram of a preferred embodiment of the invention.
Fig. 2 is the cutaway enlargement diagram of rotary joint in this preferred embodiment.
Fig. 3 is the cutaway enlargement diagram of waterpower drill bit in this preferred embodiment.
Fig. 4 is the vertical view enlarged diagram of Fig. 3.
Fig. 5 is the enlarged diagram in Fig. 3 at A-A.
Illustrate serial number:
1-pedestal, 11-guide rails, 12-propellers, 13-propelling cylinders, 14-support frames；
2-high-pressure water jet spraying systems,
21-high-pressure hydraulic pumps, 22-flexible water pipes,
23-rotary joints,
A-housing, A1-positioning convex platform,
B-water pipe head, B1-stop collar,
C-tool joint, the C1-shaft shoulder,
D-prismatic pad, E-end cap, F-thrust housing, G-gland, H-cylinder body, I-positioning sleeve, J-sealing ring, K-work
Dynamic sealing assembly, L-thrust roller bearing, M-single-row centripetal ball axis,
24-drilling rods,
25-waterpower drill bits,
A-drill main body, a1-fluidic channel, a11-input cavity, a12-output cavity,
B-nozzle,
C-hard-metal insert；
3-rotation drivings, 31-hydraulic motors, 32-reduction gearboxes.
Specific embodiment
As shown in Figure 1, this high-pressure water jet rock drilling machine provided in this embodiment, including the spray of pedestal 1, high-pressure water jet
Penetrate system 2 and rotation driving 3.
Pedestal 1 includes guide rail 11, propeller 12 and propelling cylinder 13, and propeller is assemblied on guide rail can be sliding along guide rail
Dynamic, the cylinder body of propelling cylinder is connected with guide rail, piston rod is connected with propeller, propelling cylinder control propeller along guide rail propulsion,
It retracts.Support frame 14 is equipped on guide rail and propeller for assembling high-pressure water jet spraying system 2 and rotation driving 3.
High-pressure water jet spraying system 2 includes high-pressure hydraulic pump 21, flexible water pipe 22, rotary joint 23, drilling rod 24 and waterpower
Drill bit 25.The input terminal of high-pressure hydraulic pump 21 is connected to external water source, output end is connected to flexible water pipe 22, and stretch the another of water pipe 22
One end is connected to rotary joint 23.
As shown in Fig. 2, rotary joint 23 includes housing A, water pipe head B, tool joint C, prismatic pad D, end cap E, thrust
Cover F and gland G.
Housing A is the cylindrical shroud of both ends open, and threaded hole is equipped at the entity of axial ends, and inner wall is equipped with fixed
Position boss A1, the interior side positioned at positioning convex platform of housing are coaxially connected with cylindrical cylinder body H, and the inner wall of cylinder body is connected with positioning
I is covered, the inner wall of positioning sleeve I is equipped with screw thread.
Water pipe head B is that axial centre is equipped with the cylinder type joint of water hole, the both ends of water hole are the loudspeaker extended out
Mouthful, the outer wall of water pipe head axial ends is equipped with screw thread, middle part is equipped with the stop collar B1 of evagination；One end of water pipe head is goed deep into
Be threadedly connected in positioning sleeve in housing, and between the root and cylinder body of water pipe head inner end screw thread be equipped with sealing ring J so as to
In raising leakproofness.The other end of water pipe head is located at outside housing and is connected in flexible water pipe, and stop collar B1 is stuck in the end of housing
Face is compressed by end cap E, and end cap E is corresponded to and is equipped with corresponding connecting hole at sleeve thread hole, and end cap passes through the spiral shell across connecting hole
Bolt is connect with sleeve thread compresses water pipe head.
Tool joint C is single piece, and axial centre is equipped with water hole, and the both ends of water hole are the horn mouth extended out,
The middle part of its outer wall is equipped with shaft shoulder C1, and the outer ring of the shaft shoulder is equipped with the groove for embedded sealing ring.The inner end of tool joint
It extends to and is equipped with movable sealing component K in cylinder body between cylinder body, set between inner end horn mouth and the horn mouth of water pipe head inner end
There is prismatic to pad D, the both ends of prismatic pad D are to be matched with bell-mouthed pyramid type, and axial centre is equipped with connection water pipe head and drilling rod
The water hole of connector；The inside of the shaft shoulder is contacted with positioning convex platform in tool joint, tool joint correspond to entity section outside the shaft shoulder with
It is equipped with thrust housing F between housing, is locked by gland G and matched bolt；The inner face of the outer end face of the shaft shoulder and thrust housing it
Between be equipped with thrust roller bearing L, tool joint correspond between entity and thrust housing outside the shaft shoulder equipped with single-row centripetal ball axis M；It bores
The outer wall of knock-off joint outer end is threaded to be connected in drilling rod 24, and the other end of drilling rod is connected with waterpower drill bit 25.
As shown in Fig. 3-5, waterpower drill bit 25 includes drill main body a and nozzle b.Drill main body a is hexagonal prisms, one end
It is output end for input terminal, the other end, carbide bit c is provided with outside the entity of output end.
The fluidic channel a1 that bore reduces from input terminal to output end, fluidic channel are equipped at the axial centre of drill main body
Packet a1 includes input cavity a11 and output cavity a12；Input cavity is set to the axial centre of drill main body, and the outer wall of input cavity is equipped with spiral shell
For line in order to be connected with drilling rod, input cavity includes straightway and hemisphere section, and output cavity is connected to outside hemisphere section；Output cavity has four
A, one of them is coaxially disposed with input cavity, and the other three is arranged about the longitudinal center line circular array of input cavity, each defeated
The outlet of chamber is assembly of the horn mouth in order to nozzle b out.Nozzle b is ruby nozzle, is assemblied in output cavity.Waterpower is bored
First 25 input terminal is connected with drilling rod 24, and 3 driving drilling rod rotation of rotation driving drives waterpower bit to complete rock drilling.
Rotation driving 3 includes hydraulic motor 31 and reduction gearbox 32, and the power that hydraulic motor 31 generates after reduction gearbox via passing
It is handed to drilling rod, is connected between the axis hole and drilling rod of the output gear of reduction gearbox using spline, in order to transmit rotation, to make to bore
Bar drives waterpower bit to realize rock drilling.
External water source is pumped into flexible water pipe using high-pressure hydraulic pump after coming into operation and forms high pressure water by the present embodiment,
High pressure water is sent through rotary joint and drilling rod to waterpower drill bit, and the driving drilling rod of rotation driving at this time and waterpower bit make high pressure
Water rotating-spray to rock layer surface cut, fractured rock, and is passed through propelling cylinder and controlled propeller movement and drive drilling rod
It is promoted with waterpower drill bit in order to cut and be crushed.Entire rock drilling process will not generate any industrial waste gas, will not generate big
Dust is measured, avoids polluting the environment when work, guarantees that working environment cleaning prevents from causing damages to worker's health, and
And production efficiency with higher is low.
Claims (10)
1. a kind of high-pressure water jet rock drilling machine, it is characterised in that: it includes that pedestal, high-pressure water jet spraying system and rotation are driven
It is dynamic；
Pedestal includes guide rail and the propeller that can move along the rail, is equipped with multiple support frames on guide rail and propeller；
High-pressure water jet spraying system includes that the high-pressure hydraulic pump being sequentially communicated, flexible water pipe, rotary joint, drilling rod and waterpower are bored
Head, rotary joint include interconnected water pipe head and tool joint, and tool joint can be around rotary joint axial centre certainly
By rotating, high-pressure water jet spraying system is by the way that in supporting element installation pedestal, impeller driven drilling rod and waterpower connector are along guide rail
It moves back and forth；
Rotation driving is assemblied on propeller for driving drilling rod to rotate.
2. high-pressure water jet rock drilling machine as described in claim 1, it is characterised in that: the rotary joint further include housing and
Prismatic pad；Housing is the cylindrical type body of both ends open, and inner wall is equipped with positioning convex platform, the water pipe head and the drilling rod connecting
Head is respectively arranged in housing, positioned at the two sides of positioning convex platform, and the axial centre of water pipe head, prismatic pad and tool joint is all provided with
There is water hole, water pipe head is connected to the water hole of tool joint by prismatic pad.
3. high-pressure water jet rock drilling machine as claimed in claim 2, it is characterised in that: the water pipe head connects for cylindrical type
Head, the outer wall of axial ends is equipped with screw thread, middle part is equipped with the stop collar of evagination, and the both ends of water pipe head water hole are outer
The nozzle that outer tube is interior, stop collar is stuck in outer tube is protruded into the horn mouth of expansion, water pipe head one end.
4. high-pressure water jet rock drilling machine as claimed in claim 3, it is characterised in that: the housing corresponds to positioning convex platform side
Inner cavity in be equipped with the cylinder body of column type, the inner wall of cylinder body is connected with positioning sleeve, and the inner end positioning sleeve of water pipe head is threadedly coupled, water
Sealing ring is equipped between the root and cylinder body of pipe fitting inner end screw thread.
5. high-pressure water jet rock drilling machine as claimed in claim 4, it is characterised in that: the tool joint is single piece, is bored
The middle part of knock-off joint is equipped with the shaft shoulder, and the water hole both ends of tool joint are the horn mouth extended out, and the inner end of tool joint extends to
In the cylinder body, the inside of the shaft shoulder is contacted with positioning convex platform, the outer wall of outer end is equipped with screw thread；Block respectively at the both ends of the prismatic pad
Loaded in water pipe head and tool joint inner end horn mouth.
6. high-pressure water jet rock drilling machine as claimed in claim 5, it is characterised in that: the inner end of the tool joint and cylinder body
Between be equipped with movable sealing component；The shaft shoulder of tool joint is equipped with the groove for embedded sealing ring, and tool joint corresponds to the shaft shoulder
It is equipped with thrust housing between outer entity section and the housing, thrust is equipped between the outer end face of the shaft shoulder and the inner face of thrust housing and is rolled
Sub- bearing, tool joint, which corresponds to, is equipped with single-row radial ball bearing between entity and thrust housing outside the shaft shoulder；One end of the housing
It is connected with the end cap for compressing water pipe head by fastener, the other end is connected with by fastener for compressing thrust housing
Gland.
7. high-pressure water jet rock drilling machine as described in claim 1, it is characterised in that: the waterpower drill bit includes drill main body
And nozzle, fluidic channel is set in drill main body, the input port bore of fluidic channel is greater than delivery outlet bore, and nozzle is assemblied in jet stream
The equipped at outlet port in channel.
8. high-pressure water jet rock drilling machine as claimed in claim 7, it is characterised in that: the drill main body is hexagonal prisms, is bored
The end face of the output end of head main body is externally provided with carbide bit；The fluidic channel includes input cavity and output cavity, input cavity
Outer wall be equipped with screw thread, input cavity includes straightway and hemisphere section, and output cavity has multiple, the straightway of one of them and input cavity
Coaxial arrangement, other output cavities arrange that the outlet of output cavity is horn mouth about the axial centre circular array of straightway；Institute
Stating nozzle is ruby nozzle.
9. high-pressure water jet rock drilling machine as described in claim 1, it is characterised in that: the pedestal is equipped with propelling cylinder,
The piston rod of propelling cylinder is connected with propeller.
10. high-pressure water jet rock drilling machine as described in claim 1, it is characterised in that: the rotation driving includes hydraulic horse
It reaches and reduction gearbox；One end of the drilling rod is connected with the tool joint of rotary joint, the other end is connected with waterpower drill bit, drilling rod
The output gear of middle part and reduction gearbox is connected using spline；The rotary joint and rotation are driven through support frame and are assemblied in propulsion
On device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811407224.9A CN109236176B (en) | 2018-11-23 | 2018-11-23 | High-pressure water jet rock drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811407224.9A CN109236176B (en) | 2018-11-23 | 2018-11-23 | High-pressure water jet rock drilling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109236176A true CN109236176A (en) | 2019-01-18 |
| CN109236176B CN109236176B (en) | 2023-12-15 |
Family
ID=65076445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811407224.9A Active CN109236176B (en) | 2018-11-23 | 2018-11-23 | High-pressure water jet rock drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109236176B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989544A (en) * | 2017-12-31 | 2018-05-04 | 重庆聚亨机械有限公司 | Drill wagon for jack hammer |
| CN114109429A (en) * | 2021-11-11 | 2022-03-01 | 山东大学 | Water jet assisted rock breaking system for rock drilling jumbo and working method of water jet assisted rock breaking system |
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