CN109138853A - A kind of digging drills steel sharpener - Google Patents
A kind of digging drills steel sharpener Download PDFInfo
- Publication number
- CN109138853A CN109138853A CN201811186933.9A CN201811186933A CN109138853A CN 109138853 A CN109138853 A CN 109138853A CN 201811186933 A CN201811186933 A CN 201811186933A CN 109138853 A CN109138853 A CN 109138853A
- Authority
- CN
- China
- Prior art keywords
- rack
- screw rod
- power head
- drilling
- motor
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 14
- 239000010959 steel Substances 0.000 title claims abstract description 14
- 238000005553 drilling Methods 0.000 claims abstract description 78
- 210000002683 foot Anatomy 0.000 claims description 9
- 230000001737 promoting effect Effects 0.000 claims description 6
- 241000237970 Conus <genus> Species 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 16
- 238000009434 installation Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001141 propulsive effect Effects 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
-
- 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
- E21B3/02—Surface drives for rotary drilling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of digging drills steel sharpeners, including rack, excavator implement interface, lifting drive system, rotary power system, drilling tool and hydraulic distributing valve, the frame upper end is equipped with excavator implement interface, the propulsion of lifting drive system is installed on the top plate of rack with motor is promoted, screw mandrel shaft block is installed on the bottom plate of rack, it promotes and is promoted and be equipped with screw rod between motor and screw mandrel shaft block, screw rod is equipped with screw rod bushing, the power head motor of rotary power system is installed on power head reduction gearbox upper end, drilling tool connects power head reduction gearbox lower end, the a plurality of slide rail parallel with screw rod is equipped between the top plate and bottom plate of rack, power head reduction gearbox is fixedly connected and is slidably connected with screw rod bushing and slide rail respectively, hydraulic distributing valve is installed on machine frame inside and close to frame upper end, lifting drive system and rotary power system point It is not connected with hydraulic distributing valve.Drilling machine of the invention is flexible for installation, can save labour, quickly positioning drilling, can improve construction efficiency.
Description
Technical field
The invention belongs to engineering drilling equipment technical fields, and in particular to a kind of digging drills steel sharpener.
Background technique
Drilling machine is mainly used in geologic prospect, engineering the drilling, excavates the engineering drillings construction operations such as free face.
Existing drilling machine mainly includes tower rack, power-driven system and drilling system, is needed before construction operation by tower
Open frame, which is moved, to be provided rotary power to bore position, diesel engine or motor for the drilling tool of drilling system and promotes power, by
The hydraulic propelling system of oil pump, control valve and oil cylinder composition provides propulsive force for drilling tool, and drilling rod upper end is arranged rotary joint and forms
Water supply deslagging and cooling system.But there are many defects for this existing drilling machine: tower rack is heavy, causes to move and adjust
It is more difficult；Structurally and operationally complicated, there are hidden dangers when operator's operation；Drilling footage is slow, and construction efficiency is low；Separate unit
Drilling machine is by more than two people operating, cost of labor height etc..
Summary of the invention
In view of the deficienciess of the prior art, the present invention provides a kind of digging drills steel sharpener, drilling machine is flexibly installed on board a dredger,
Construction operation is carried out with excavator, for one man operation to save labour, running fix is convenient, improves boring positioning speed
Degree effectively reduces time before construction, improves construction efficiency.
The present invention is achieved by the following technical solutions:
A kind of digging drills steel sharpener, including rack, excavator implement interface, lifting drive system, rotary power system, drilling tool and hydraulic
Distributing valve；The frame upper end is equipped with excavator implement interface, and excavator implement interface is used for connecting excavator dipper；Lifting is dynamic
Force system includes promoting and promoting motor, screw mandrel shaft block, screw rod and screw rod bushing, and propulsion is installed on frame upper end with motor is promoted
Top plate on, screw mandrel shaft block is installed on the bottom plate of rack lower end, and screw rod is installed on propulsion and promotes motor and screw rod bearing
Between seat, screw rod is equipped with screw rod bushing, promotes and promotes motor for driving screw rod to rotate；Rotary power system includes power head
Motor and power head reduction gearbox, power head motor are installed on the upper end of power head reduction gearbox, and drilling tool connects power head reduction gearbox
Lower end；The a plurality of slide rail parallel with screw rod, power head reduction gearbox and screw rod are equipped between the top plate and bottom plate of the rack
Set is fixedly connected, and power head reduction gearbox is slidably connected with slide rail, when screw rod rotates, in the effect of screw rod and slide rail
Under, the power head reduction gearbox connecting with screw rod bushing is moved axially along screw rod, it is ensured that drilling tool is axially promoted or promoted along screw rod；It is hydraulic
Distributing valve be installed on machine frame inside and close to frame upper end position, the hydraulic control oil circuit of hydraulic distributing valve connecting excavator,
Lifting drive system and rotary power system are connected with hydraulic distributing valve respectively, and when construction, hydraulic distributing valve is by hydraulic oil
It does not give propulsion in proportion and promotes motor and power head motor, lifting drive system and rotary power system work are controlled with this
Make, makes drill thrust or promotion, rotates drilling tool.
Preferably, the slide rail is slide bar, is equipped with two, two slide rails and screw rod cooperate, it can be ensured that dynamic
Power head reduction gearbox steadily moves.
Preferably, drilling machine revolution driving disk, drilling machine revolution driving disk are equipped between the excavator implement interface and rack
It is connected with hydraulic distributing valve, drilling machine revolution driving disk is for controlling rack rotation, in order to the prelocalization that drills.
Preferably, the drilling tool includes drilling rod and bore bit, and bore bit is special drill bit, selects suitable pricker according to geological conditions
Head type, to improve rate of penetration, bore bit is equipped with shield drill sleeve, and when drilling construction, shield drill sleeve can ensure that bore bit along screw axis
It is promoted to rotation.
Preferably, the lower end of the bottom plate of the rack be equipped with multiple support foots, support foot can effective frames, make drilling process
In, rack held stationary.
Preferably, the support foot includes upper end cylindrical portion and lower end conus portion, and conus portion can smoothly be inserted into the soil of construction surface
In earth.
The beneficial effects of the present invention are: a kind of digging drills steel sharpener of the invention, the drilling machine can be mounted on the bucket of excavator
On bar, using the power and workbench of excavator, construction operation is can be completed in an operator, with traditional tower rack
Drilling machine is compared, and is reduced labour, has been saved cost of labor；The drilling machine can pass through movement, arm and the dipper of control excavator
To complete boring positioning, be able to achieve the quick positioning of drilling, can the hole operation of the company of progress, compared with traditional tower rack drilling machine,
Tower rack is moved and time before effectively reducing construction, improves construction efficiency；According to geological condition and drilling needs
Drill assembly is replaced, keeps the drilling machine application range big；Hydraulic control drilling tool rotary drilling, keeps the drilling machine safe and reliable, can be effective
Improve drilling depth.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is main view of the invention.
Fig. 3 is rearview of the invention.
Fig. 4 is top view of the invention.
Fig. 5 is A-A cross-sectional view in Fig. 4.
Fig. 6 is drilling tool structure schematic diagram of the invention.
In attached drawing: 1- rack, 11- top plate, 12- bottom plate, 13- slide rail, 14- support foot, 141- cylindrical portion, 142- circular cone
Portion, 2- excavator implement interface, 3- lifting drive system, 31- is promoted and promotion motor, 32- screw mandrel shaft block, 33- screw rod,
34- screw rod bushing, 41- power head motor, 42- power head reduction gearbox, 51- drilling rod, 52- bore bit, 53- protect drill sleeve, and 6- hydraulic separate is matched
Valve, 7- drilling machine revolution driving disk.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
In the description of the present application, it is to be understood that the instruction such as term "inner", "outside", "upper", "lower", "top", "bottom"
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
As shown in figures 1 to 6, a kind of digging drills steel sharpener, including rack 1, excavator implement interface 2, lifting drive system 3, rotation
Dynamical system, drilling tool and hydraulic distributing valve 6；1 upper end of rack is equipped with drilling machine revolution driving disk 7, drilling machine revolution driving disk 7
Upper end is equipped with excavator implement interface 2, and drilling machine revolution driving disk 7 is used for for controlling the rotation of rack 1, excavator implement interface 2
Connecting excavator dipper；Lifting drive system 3 includes promoting and promoting motor 31, screw mandrel shaft block 32, screw rod 33 and screw rod bushing
34, it promotes and is installed on the top plate 11 of 1 upper end of rack with promotion motor 31, screw mandrel shaft block 32 is installed on the bottom of 1 lower end of rack
On plate 12, screw rod 33 is installed on propulsion and is promoted between motor 31 and screw mandrel shaft block 32, and screw rod 33 is equipped with screw rod bushing 34, pushes away
Into with promotion motor 31 it is used to that screw rod 33 to be driven to rotate；Rotary power system includes power head motor 41 and power head reduction gearbox
42, power head motor 41 is installed on the upper end of power head reduction gearbox 42, and drilling tool connects the lower end of power head reduction gearbox 42；The machine
Two slide rails 13 parallel with screw rod 33, power head reduction gearbox 42 and screw rod are equipped between the top plate 11 and bottom plate 12 of frame 1
Set 34 is fixedly connected, and power head reduction gearbox 42 is slidably connected with slide rail 13, when the rotation of screw rod 33, is led in screw rod 33 and sliding
Under the action of rail 13, the power head reduction gearbox 42 connecting with screw rod bushing 34 is moved axially along screw rod 33, it is ensured that drilling tool is along screw rod 33
It is axial to promote or promoted；Hydraulic distributing valve 6 is installed on 1 inside of rack and the position close to 1 upper end of rack, hydraulic distributing valve 6 connect
Connect the hydraulic control oil circuit of excavator, drilling machine revolution driving disk 7, lifting drive system 3 and rotary power system respectively with it is hydraulic
Distributing valve 6 be connected, when construction when, hydraulic distributing valve 6 hydraulic oil is given in proportion respectively drilling machine revolution driving disk 7, promote with
Promote motor 31 and power head motor 41, with this by control drilling machine revolution driving disk 7 carry out rack 1 rotate and position drilling,
Lifting drive system 3 and rotary power system work are controlled, makes drill thrust or promotion, rotate drilling tool.
In the present embodiment, the drilling tool includes drilling rod 51 and bore bit 52, and bore bit 52 is special drill bit, is selected according to geological conditions
Suitable 52 type of bore bit is selected, to improve rate of penetration, bore bit 52 is equipped with shield drill sleeve 53, when drilling construction, protects drill sleeve 53
It can ensure that bore bit 52 is promoted along 33 axial-rotation of screw rod.
In the present embodiment, the lower end of the bottom plate 12 of the rack 1 is equipped with multiple support foots 14, and support foot 14 includes upper end cylindrical portion
141 and lower end conus portion 142, support foot 14 can effective frames 1, make in drilling process, 1 held stationary of rack, conus portion 142
It can smoothly be inserted into the soil of construction surface.
The working principle of the present embodiment: drilling machine, excavator implement interface 2 and the excavator of drilling machine are assembled on board a dredger
Dipper is connected, and hydraulic distributing valve 6 is connected with the hydraulic control oil circuit of excavator, and connecting excavator driver's cabin controls cable,
Connect water route；Indoor control panel is operated by excavator, operator controls excavator walking and swing arm, control drilling machine return
Turn the rotation of drive disk 7, to carry out boring positioning；Indoor control panel is operated by excavator, operator opens hydraulic pressure and opens
It closing, starts rotary power system, rotary power system drives drilling rod 51 and bore bit 52 to rotate, while starting lifting drive system 3,
Under the adaptive thrust that lifting drive system 3 provides, driving rotary power system is promoted, with this 52 rotary drilling of bore bit
Into；After creeping into predetermined drilling depth, control lifting drive system 3 promotes drilling tool, and takes out drilling inner cores, then carry out drilling work
Industry.This rig design is flexible for installation, can quickly position drilling, can the hole operation of the company of progress, drilling range it is wide, it is hydraulic by excavator
System controls drilling machine, and drilling tool is made to rotate and promote adaptive cooperation, improves work efficiency, reduces manpower, reduces loss.
In specification of the invention, numerous specific details are set forth.It is to be appreciated, however, that the embodiment of the present invention can be with
It practices without these specific details.In some instances, well known method, structure and skill is not been shown in detail
Art, so as not to obscure the understanding of this specification.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented by previous embodiment, or some or all of the technical features are equal
Replacement；And these are modified or replaceed, the model for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses, should all cover within the scope of the claims and the description of the invention.
Claims (6)
1. a kind of digging drills steel sharpener, including rack (1), excavator implement interface (2), lifting drive system (3), rotary power system
System, drilling tool and hydraulic distributing valve (6), it is characterised in that: rack (1) upper end is equipped with excavator implement interface (2)；Lifting is dynamic
Force system (3) includes promoting and promoting motor (31), screw mandrel shaft block (32), screw rod (33) and screw rod bushing (34), promotes and mentions
It rises motor (31) to be installed on the top plate (11) of rack (1) upper end, screw mandrel shaft block (32) is installed on the bottom plate of rack (1) lower end
(12) on, screw rod (33) is installed on propulsion and is promoted between motor (31) and screw mandrel shaft block (32), and screw rod (33) is equipped with silk
Rod set (34) promotes and promotes motor (31) for driving screw rod (33) to rotate；Rotary power system includes power head motor
(41) and power head reduction gearbox (42), power head motor (41) are installed on the upper end of power head reduction gearbox (42), and drilling tool connection is dynamic
The lower end of power head reduction gearbox (42)；It is equipped between the top plate (11) and bottom plate (12) of the rack (1) parallel with screw rod (33)
A plurality of slide rail (13), power head reduction gearbox (42) are fixedly connected with screw rod bushing (34), power head reduction gearbox (42) and sliding
Guide rail (13) is slidably connected；Hydraulic distributing valve (6) is installed on the position of internal and close rack (1) upper end of rack (1), hydraulic separate
Hydraulic control oil circuit with valve (6) connecting excavator, lifting drive system (3) and rotary power system respectively with hydraulic distributing valve
(6) it is connected.
2. a kind of digging drills steel sharpener according to claim 1, it is characterised in that: the slide rail (13) is slide bar, is equipped with
Two.
3. a kind of digging drills steel sharpener according to claim 1, it is characterised in that: the excavator implement interface (2) and rack
(1) drilling machine revolution driving disk (7) is equipped between, drilling machine revolution driving disk (7) is connected with hydraulic distributing valve (6), and drilling machine revolution is driven
Moving plate (7) is for controlling rack (1) rotation.
4. a kind of digging drills steel sharpener according to claim 1, it is characterised in that: the drilling tool includes drilling rod (51) and bore bit
(52), bore bit (52) is equipped with shield drill sleeve (53).
5. a kind of digging drills steel sharpener according to claim 1, it is characterised in that: the lower end of the bottom plate (12) of the rack (1)
Equipped with multiple support foots (14).
6. a kind of digging drills steel sharpener according to claim 5, it is characterised in that: the support foot (14) includes upper end cylindrical portion
(141) and lower end conus portion (142).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811186933.9A CN109138853B (en) | 2018-10-12 | 2018-10-12 | Dig and change rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811186933.9A CN109138853B (en) | 2018-10-12 | 2018-10-12 | Dig and change rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109138853A true CN109138853A (en) | 2019-01-04 |
| CN109138853B CN109138853B (en) | 2023-09-19 |
Family
ID=64811268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811186933.9A Active CN109138853B (en) | 2018-10-12 | 2018-10-12 | Dig and change rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109138853B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0849495A (en) * | 1994-08-09 | 1996-02-20 | Komatsu Ltd | Drilling direction control mehtod of small bore diameter pipe propulsive machine and its device |
| CN2818564Y (en) * | 2005-05-26 | 2006-09-20 | 石午江 | Multifunctional Electric Rotary Drilling Rig |
| CN102434111A (en) * | 2011-12-01 | 2012-05-02 | 中国煤炭科工集团太原研究院 | Hydraulically-driven two-stage-feed dovetail-groove-guide symmetrically-arranged anchor rod drilling machine |
| CN203022625U (en) * | 2012-11-21 | 2013-06-26 | 丁佑民 | Full-hydraulic rock drilling excavator produced by means of hydraulic excavator |
| CN205558804U (en) * | 2016-04-21 | 2016-09-07 | 江苏安能钻掘设备科技有限公司 | Dig and change down -hole drill |
| CN206987731U (en) * | 2017-07-27 | 2018-02-09 | 重庆湃力工程机械有限公司 | A kind of wheeled down-the-hole drill of band-offset rotation mechanism |
| CN209040760U (en) * | 2018-10-12 | 2019-06-28 | 深圳市岩都科技有限公司 | A kind of digging drills steel sharpener |
-
2018
- 2018-10-12 CN CN201811186933.9A patent/CN109138853B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0849495A (en) * | 1994-08-09 | 1996-02-20 | Komatsu Ltd | Drilling direction control mehtod of small bore diameter pipe propulsive machine and its device |
| CN2818564Y (en) * | 2005-05-26 | 2006-09-20 | 石午江 | Multifunctional Electric Rotary Drilling Rig |
| CN102434111A (en) * | 2011-12-01 | 2012-05-02 | 中国煤炭科工集团太原研究院 | Hydraulically-driven two-stage-feed dovetail-groove-guide symmetrically-arranged anchor rod drilling machine |
| CN203022625U (en) * | 2012-11-21 | 2013-06-26 | 丁佑民 | Full-hydraulic rock drilling excavator produced by means of hydraulic excavator |
| CN205558804U (en) * | 2016-04-21 | 2016-09-07 | 江苏安能钻掘设备科技有限公司 | Dig and change down -hole drill |
| CN206987731U (en) * | 2017-07-27 | 2018-02-09 | 重庆湃力工程机械有限公司 | A kind of wheeled down-the-hole drill of band-offset rotation mechanism |
| CN209040760U (en) * | 2018-10-12 | 2019-06-28 | 深圳市岩都科技有限公司 | A kind of digging drills steel sharpener |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109138853B (en) | 2023-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101435312B (en) | Multifunctional hammer drill | |
| CN201730547U (en) | Multifunctional rapid drilling machine | |
| CN104612586A (en) | Whole-section quick-drilling drill carriage for parallel cut blasting of large empty holes in roadway | |
| CN202417306U (en) | Novel water well drilling machine | |
| CN209040760U (en) | A kind of digging drills steel sharpener | |
| CN101215940A (en) | Drilling pole machine | |
| CN204782754U (en) | Double dynamical first all -hydraulic well rig | |
| CN104763327A (en) | Pneumatic-hydraulic hybrid type laneway excavating drill jambo | |
| CN112627837B (en) | Hydraulic milling, drilling and crushing method for rock | |
| CN111764918A (en) | Drilling splitting all-in-one machine | |
| CN108150098A (en) | A kind of multifunctional integrated airborne drilling apparatus | |
| CN205370442U (en) | Drill jumbo | |
| CN202338201U (en) | Vibration extrusion type drilling machine | |
| CN205558804U (en) | Dig and change down -hole drill | |
| CN209761335U (en) | Horizontal directional drilling machine | |
| CN201306118Y (en) | Hydraulic shaft-well drill | |
| CN111140170B (en) | Complete equipment for forming holes in transverse large diameter of coal pillar region of soft coal seam and hole forming process | |
| CN109138853A (en) | A kind of digging drills steel sharpener | |
| CN216841455U (en) | Be applied to wear-resisting baffle of machine of digging soon | |
| CN201152052Y (en) | Pole setting machine for boring | |
| CN201963199U (en) | Novel omnibearing drilling arm of drilling and installing machine | |
| CN114198027A (en) | A mobile advanced drilling and pouring machine suitable for TBM | |
| CN210685860U (en) | A drilling machine device that punches for massif construction | |
| CN209892102U (en) | Drilling vehicle for pipeline installation | |
| CN222350631U (en) | A drilling device for tunnel construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |