CN117386284A - Special-shaped hole slotting cutter head orientation device and method based on drilling machine arm of drilling jumbo - Google Patents
Special-shaped hole slotting cutter head orientation device and method based on drilling machine arm of drilling jumbo Download PDFInfo
- Publication number
- CN117386284A CN117386284A CN202311605678.8A CN202311605678A CN117386284A CN 117386284 A CN117386284 A CN 117386284A CN 202311605678 A CN202311605678 A CN 202311605678A CN 117386284 A CN117386284 A CN 117386284A
- Authority
- CN
- China
- Prior art keywords
- assembly
- drilling
- drill
- rod
- cutter head
- 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 74
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000000670 limiting effect Effects 0.000 claims abstract description 46
- 230000000694 effects Effects 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims 2
- 238000005422 blasting Methods 0.000 abstract description 13
- 238000009412 basement excavation Methods 0.000 abstract description 6
- 239000011435 rock Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008092 positive 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/001—Drilling a non circular hole
-
- 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
- E21B11/00—Other drilling tools
-
- 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
- E21B12/00—Accessories for drilling tools
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a special-shaped hole slotting cutter head orientation device and method based on a drilling arm of a drilling trolley, and relates to the technical field of drilling, blasting and excavation of tunnels and underground engineering. The rotary limiting assembly is arranged, so that the structure design is reasonable, the current situation that the conventional special-shaped hole slotting orientation effect is poor is improved, great convenience is provided for blasting excavation work, the slotting cutter head can be synchronously rotated and positioned and propelled during drilling of a drilling machine, the slotting direction is along the design contour line of a tunnel, the energy gathering effect is achieved during blasting, the ultra-undermining phenomenon is effectively reduced, and the blasting efficiency is improved.
Description
The application is a divisional application of patent application named as' a special-shaped hole slotting cutter head orientation device based on a drilling machine arm of a drilling machine, and the application date of the original application is 2022, 09 and 27, and the application number is 202211183752.7.
Technical Field
The invention relates to the technical field of drilling, blasting and excavation of tunnels and underground engineering, in particular to a device and a method for orienting a special-shaped hole slotting cutter head based on a drilling machine arm of a drilling trolley.
Background
Along with the continuous development of social economy and the stable promotion of the urban process, the scale of highway engineering in China is gradually enlarged, the future development of cities and the traffic of people are directly influenced by the highway engineering construction, and tunnels are the main content of the highway engineering construction, but at present, in the design and construction of highway tunnels in China, some main problems to be solved still exist, surrounding rock overexcavation is difficult to control, the energy gathering blasting theory is mature, but the special-shaped blasthole slotting orientation effect is poor, so that a special-shaped hole slotting cutter head motor orientation device is needed to improve the current situation that the existing special-shaped hole slotting orientation effect is poor.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a special-shaped hole slotting cutter head orientation device and method based on a drilling machine arm of a drilling machine.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the invention discloses a special-shaped hole slotting cutter head orientation device based on a drilling machine arm of a drilling trolley, which comprises a connecting short rod assembly, wherein a drill bit is arranged at one end of the connecting short rod assembly, a pushing rod assembly is arranged at the other end of the connecting short rod assembly, a grooving cutter head assembly is sleeved on the outer surface of the connecting short rod assembly, a rotary limiting assembly capable of synchronously carrying out rotary positioning on the grooving cutter head assembly when a drilling machine drills is arranged on the outer surface of the grooving cutter head assembly, the rotary limiting assembly comprises a trolley large arm connecting rod, a structural rod is arranged on the lower surface of the trolley large arm connecting rod, a rotary limiting rod is symmetrically arranged inside the structural rod, the structural rod is U-shaped, in order to improve the matching effect of the grooving cutter head assembly and the rotary limiting assembly, cutting edges are symmetrically arranged on the outer surface of the grooving cutter head assembly, the cutting edges are attached to the outer surface of the rotary limiting rod, the two groups of cutting edges and the rotary limiting rod are arranged in a misplacement mode between the cutting edges and the rotary limiting assembly so as to ensure that the rotary limiting assembly stops the cutting edges of the grooving cutter head assembly to rotate along with the rotary limiting assembly, and the cutting edges of the rotary limiting assembly stop the cutting edge of the grooving cutter head assembly along with the rotary limiting assembly.
In order to improve the connection effect of the device and the external rock drilling trolley drilling machine, the pushing rod assembly is fixedly connected with the external rock drilling trolley drilling rod, and the rotation limiting assembly is fixedly connected with the external rock drilling trolley drilling arm.
In order to improve the use effect of the cutting edge, the shape of the cutting edge is triangular.
In order to improve the connection result of the large arm connecting rod of the trolley, the large arm connecting rod of the trolley is formed by combining two groups of L-shaped rods, so that the arrangement and the installation of the rotation limiting assembly are facilitated.
The invention also provides a method for orienting the special-shaped hole slotting cutter head based on the drilling machine arm of the drilling machine, which adopts the device for orienting the special-shaped hole slotting cutter head based on the drilling machine arm of the drilling machine and comprises the following steps:
step 1): firstly, mounting a rotation limiting assembly on a drill arm of a drill jumbo, then mounting a pushing rod assembly and the front end of a drill rod together, fixedly connecting a connecting short rod assembly with the front end of the pushing rod assembly, then penetrating a grooving cutter head assembly through the connecting short rod assembly, fixedly connecting a drill bit with the front end of the connecting short rod assembly, and finally adjusting the position of the rotation limiting assembly to limit the rotation range of the grooving cutter head assembly;
step 2): when the drill bit assembly rotates to a preset angle, the cutting edge is blocked by a rotation limiting rod in the rotation limiting assembly and stops rotating, and the drill bit drills a blast hole forwards;
step 3): when the front end of the grooving tool bit assembly reaches the face, the front pushing force of the pushing rod assembly pushes the inside of the blast hole, the drilling and grooving work are synchronously carried out, the preset drilling depth is reached, the drilling and grooving work are synchronously completed, the drill rod is recovered, the drill bit provides external pushing force for the grooving tool bit assembly to pull out the grooving tool bit assembly, the drill rod is reset, and one drilling work cycle is ended.
Compared with the prior art, the invention has the advantages and positive effects that:
according to the special-shaped hole slotting cutter head orienting device and method based on the drilling machine arm of the drilling trolley, the rotating limiting component is arranged, the structural design is reasonable, the current situation that the existing special-shaped hole slotting orientation effect is poor can be improved, great convenience is provided for blasting excavation work, the slotting cutter heads can be synchronously rotated and positioned and propelled when a drilling machine drills, the slotting direction is along the design contour line of a tunnel, the energy gathering effect is achieved during blasting, the phenomenon of ultra-short excavation is effectively reduced, and the blasting efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of a special-shaped hole slotting cutter head orienting device based on a drilling machine arm of a drilling machine;
fig. 2 is a schematic structural view of a rotation limiting assembly of the special-shaped hole slotting cutter head orienting device based on a drilling machine arm of a drilling machine.
Reference numerals illustrate: 1. a rotation limiting assembly; 2. a drill bit; 3. connecting a short rod assembly; 4. a grooving tool bit assembly; 5. a propulsion rod assembly; 101. a trolley large arm connecting rod; 102. rotating the limiting rod; 103. a structural rod.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, in the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
Referring to fig. 1-2, a first embodiment provides a technical solution: the utility model provides a special-shaped hole slotting tool bit orienting device based on drill jumbo arm, including connecting the quarter butt subassembly 3, connect the one end of quarter butt subassembly 3 and install drill bit 2, connect the other end of quarter butt subassembly 3 and install propulsion lever subassembly 5, connect the surface cover of quarter butt subassembly 3 to be equipped with grooving tool bit subassembly 4, the surface mounting of grooving tool bit subassembly 4 has rotatory spacing subassembly 1, rotatory spacing subassembly 1 includes the big arm connecting rod 101 of platform truck, the lower surface mounting of the big arm connecting rod 101 of platform truck has structural bar 103, rotatory gag lever post 102 is installed to structural bar 103's internal symmetry, through setting up this rotatory spacing subassembly 1, structural design is reasonable, improve the current situation poor to current special-shaped hole slotting orientation effect, provide very big facility for blasting excavation work, can carry out rotary positioning and impel the grooving tool bit in step when the rig drilling, make the grooving direction along tunnel design contour line, thereby have the energy gathering effect when blasting, reduce the phenomenon of blasting efficiency effectively, improve the blasting efficiency.
Referring to fig. 1-2, the push rod assembly 5 is fixedly connected with an external rock drilling trolley drill rod, the rotation limiting assembly 1 is fixedly connected with an external rock drilling trolley drill arm, through the arrangement of the connection relationship, the whole device and the external rock drilling trolley drill can be conveniently installed and used, the structure rod 103 is in a U shape, the U-shaped structure rod 103 can be conveniently installed, the outer surface of the grooving tool bit assembly 4 is symmetrically provided with cutting edges, the cutting edges are triangular, the cutting edges are attached to the outer surface of the rotation limiting rod 102, the two groups of cutting edges are installed in a dislocation manner between the two groups of cutting edges and the rotation limiting rod 102, the dislocation manner between the two groups of cutting edges and the rotation limiting rod 102 is provided, the limiting effect of the rotation limiting assembly 1 on the grooving tool bit assembly 4 can be further guaranteed, the trolley large arm connecting rod 101 is formed by combining two groups of L-shaped rods, the two groups of L-shaped rods are spliced, and the arrangement and the installation of the whole rotation limiting assembly 1 can be conveniently achieved.
Working principle: when the device is used, firstly, the rotation limiting component 1 is installed on a drill arm of a drill trolley, then the push rod component 5 is installed with the front end of a drill rod, the connecting short rod component 3 is fixedly connected with the front end of the push rod component 5, then the grooving tool bit component 4 passes through the connecting short rod component 3, the drill bit 2 is fixedly connected with the front end of the connecting short rod component 3, and finally, the position of the rotation limiting component 1 is adjusted to limit the rotation range of the grooving tool bit component 4; the grooving cutter head assembly 4 rotates along with the drill rod and advances forward, when the grooving cutter head assembly 4 rotates to a preset angle, the cutting edge is blocked by the rotation limiting rod 102 in the rotation limiting assembly 1 and stops rotating, the drill bit 2 drills a blast hole forward, after the front end of the grooving cutter head assembly 4 reaches the face, the drill hole is advanced into the blast hole under the forward pushing force of the pushing rod assembly 5, the drilling and grooving work are synchronously performed, the preset drilling depth is reached, the drilling and grooving work are synchronously completed, the drill rod is recovered, the drill bit 2 provides external pushing force for the grooving cutter head assembly 4 to pull out the drill rod, the drill rod is reset, and one drilling work cycle is ended.
Example two
The second embodiment provides a technical scheme: the method for orienting the special-shaped hole slotting cutter head based on the drilling machine arm of the drilling machine adopts the device for orienting the special-shaped hole slotting cutter head based on the drilling machine arm of the drilling machine, and comprises the following steps:
step 1): firstly, a rotation limiting assembly 1 is installed on a drill arm of a drilling trolley, a pushing rod assembly 5 is installed together with the front end of a drill rod, a connecting short rod assembly 3 is fixedly connected with the front end of the pushing rod assembly 5, a grooving tool bit assembly 4 penetrates through the connecting short rod assembly 3, a drill bit 2 is fixedly connected with the front end of the connecting short rod assembly 3, and finally, the position of the rotation limiting assembly 1 is adjusted to limit the rotation range of the grooving tool bit assembly 4;
step 2): in operation, when a drilling cycle begins, the drill rod is positioned at an initial position, the drill rod rotates and advances forward, the grooving tool bit assembly 4 rotates and advances forward along with the drill rod, when the grooving tool bit assembly 4 rotates to a preset angle, the cutting edge is blocked by the rotation limiting rod 102 in the rotation limiting assembly 1 and stops rotating, and the drill bit 2 drills a blast hole forward;
step 3): when the front end of the grooving tool bit assembly 4 reaches the face, the front end of the grooving tool bit assembly 4 is pushed into the blast hole under the forward pushing force of the pushing rod assembly 5, the drilling and grooving work are synchronously carried out, the preset drilling depth is reached, the drilling and grooving work are synchronously completed, the drill rod is recovered, the drill bit 2 provides external pushing force for the grooving tool bit assembly 4 to pull out the grooving tool bit assembly, the drill rod is reset, and one drilling work cycle is ended.
The present invention is not limited to the above embodiments, and any equivalent embodiments which can be changed or modified by the technical disclosure described above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above embodiments according to the technical matter of the present invention will still fall within the scope of the technical disclosure.
Claims (5)
1. The utility model provides a special-shaped hole slotting cutter head orienting device based on drilling jumbo arm, includes connects quarter butt subassembly (3), its characterized in that, drill bit (2) is installed to one end of connecting quarter butt subassembly (3), propelling rod subassembly (5) are installed to the other end of connecting quarter butt subassembly (3), the surface cover of connecting quarter butt subassembly (3) is equipped with grooving cutter head subassembly (4), the surface mounting of grooving cutter head subassembly (4) can be synchronous when the rig drills carries out rotation location's rotation spacing subassembly (1) to grooving cutter head subassembly (4), rotation spacing subassembly (1) include trolley arm connecting rod (101), the lower surface mounting of trolley arm connecting rod (101) has structural bar (103), rotation spacing pole (102) are installed to the inside symmetry of structural bar (103), the shape of structural bar (103) is the U font, the surface symmetry of grooving cutter head subassembly (4) is installed the cutting edge, the cutting edge is laminated with the surface of rotation spacing pole (102), two sets of cutting edge and rotation spacing pole (102) are synchronous when drilling machine drilling, guarantee to be in order to install cutter head subassembly (4) rotation spacing effect behind the dislocation angle (4), the blade is blocked by a rotation limiting rod (102) of the rotation limiting assembly (1) and stops rotating.
2. The special-shaped hole slotting cutter head orientation device based on the drill stem of the drill jumbo according to claim 1, wherein the pushing rod assembly (5) is fixedly connected with the drill stem of the external drill jumbo, and the rotation limiting assembly (1) is fixedly connected with the drill stem of the external drill jumbo.
3. The shaped hole grooving tool bit orienting device based on a drill arm of a drill jumbo according to claim 1, wherein the shape of the cutting edge is triangular.
4. The special-shaped hole slotting cutter head orientation device based on a drilling machine arm of a drilling machine according to claim 1, characterized in that the large arm connecting rod (101) of the drilling machine is formed by combining two groups of L-shaped rods so as to facilitate the arrangement and installation of the rotation limiting assembly (1).
5. A method for orienting a special-shaped hole slotting cutter head based on a drilling machine arm of a drilling machine, characterized by adopting the special-shaped hole slotting cutter head orienting device based on the drilling machine arm of the drilling machine according to any one of claims 1-4, and comprising the following steps:
step 1): firstly, a rotation limiting assembly (1) is installed on a drill arm of a drill jumbo, a pushing rod assembly (5) is installed together with the front end of a drill rod, a connecting short rod assembly (3) is fixedly connected with the front end of the pushing rod assembly (5), a grooving tool bit assembly (4) passes through the connecting short rod assembly (3), a drill bit (2) is fixedly connected with the front end of the connecting short rod assembly (3), and finally, the position of the rotation limiting assembly (1) is adjusted to limit the rotation range of the grooving tool bit assembly (4);
step 2): when the drilling device is operated, when a drilling work cycle starts, the drill rod is positioned at an initial position, the drill rod rotates and advances forwards, the grooving tool bit assembly (4) rotates and advances forwards along with the drill rod, when the grooving tool bit assembly (4) rotates to a preset angle, the cutting edge is blocked by the rotation limiting rod (102) in the rotation limiting assembly (1) and stops rotating, and the drill bit (2) drills a blast hole forwards;
step 3): after the front end of the grooving tool bit assembly (4) reaches the face, the front end of the grooving tool bit assembly (4) is pushed into a blast hole under the forward pushing force of the pushing rod assembly (5), drilling and grooving work are synchronously carried out, a preset drilling depth is reached, drilling and grooving work are synchronously completed, a drill rod is recovered, the drill bit (2) provides external pushing force for the grooving tool bit assembly (4) to pull out the grooving tool bit assembly, the drill rod is reset, and one drilling work cycle is ended.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311605678.8A CN117386284A (en) | 2022-09-27 | 2022-09-27 | Special-shaped hole slotting cutter head orientation device and method based on drilling machine arm of drilling jumbo |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311605678.8A CN117386284A (en) | 2022-09-27 | 2022-09-27 | Special-shaped hole slotting cutter head orientation device and method based on drilling machine arm of drilling jumbo |
| CN202211183752.7A CN115538930A (en) | 2022-09-27 | 2022-09-27 | Special-shaped hole slotting tool bit orienting device based on rock drilling trolley drill arm |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211183752.7A Division CN115538930A (en) | 2022-09-27 | 2022-09-27 | Special-shaped hole slotting tool bit orienting device based on rock drilling trolley drill arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117386284A true CN117386284A (en) | 2024-01-12 |
Family
ID=84730063
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311605678.8A Pending CN117386284A (en) | 2022-09-27 | 2022-09-27 | Special-shaped hole slotting cutter head orientation device and method based on drilling machine arm of drilling jumbo |
| CN202211183752.7A Pending CN115538930A (en) | 2022-09-27 | 2022-09-27 | Special-shaped hole slotting tool bit orienting device based on rock drilling trolley drill arm |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211183752.7A Pending CN115538930A (en) | 2022-09-27 | 2022-09-27 | Special-shaped hole slotting tool bit orienting device based on rock drilling trolley drill arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN117386284A (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2047710U (en) * | 1988-11-24 | 1989-11-15 | 中国矿业大学 | Slotted drilling tool for coal-mining electrical driller |
| CN2061202U (en) * | 1989-06-28 | 1990-08-29 | 中国矿业大学 | Multi-chamfered groove drill bit |
| CN2060379U (en) * | 1989-12-07 | 1990-08-15 | 中国矿业学院 | Non-coupling bar slotting drill bit |
| CN2100476U (en) * | 1991-06-23 | 1992-04-01 | 中国矿业大学 | Threaded connection slotting drill bit |
| CN206983000U (en) * | 2017-06-12 | 2018-02-09 | 温良稻 | A kind of slotting drill bit |
| CN114837558A (en) * | 2022-05-27 | 2022-08-02 | 重庆交通大学 | Drill jumbo-based tool bit sleeve for directional grooving of special-shaped holes |
-
2022
- 2022-09-27 CN CN202311605678.8A patent/CN117386284A/en active Pending
- 2022-09-27 CN CN202211183752.7A patent/CN115538930A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN115538930A (en) | 2022-12-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11486249B2 (en) | Combined rock-breaking TBM tunneling method in complex strata for realizing three-way force detection | |
| CN209011836U (en) | A kind of rock tunnel(ling) machine and its forward probe and suspension roof support complex conversion mechanism | |
| AU2020100832A4 (en) | Special-shaped bit tool of shield machine capable of improving boring efficiency | |
| CN107882565B (en) | A kind of adopt without driving without coal column stays integrated production practice | |
| CN117386290A (en) | Special-shaped hole directional slotting cutter head fixture based on drilling trolley and use method thereof | |
| CN209780901U (en) | Hard rock tunneling robot | |
| CN108825252A (en) | The rotational automatic tool changing device of three tool apron of shield machine and method | |
| CN109610454A (en) | A kind of underground obstacle barrier clearing device and its construction method | |
| CN201763241U (en) | Bushing & drilling-in dual purpose drilling machine | |
| CN117386284A (en) | Special-shaped hole slotting cutter head orientation device and method based on drilling machine arm of drilling jumbo | |
| CN203403888U (en) | Impact-type tunneling machine | |
| CN110836118A (en) | Equipment and method for rapid and safe tunnel construction under high ground stress and high geological hazards | |
| CN209892216U (en) | Stepping type body walking device for construction of tunneling machine and tunneling machine | |
| CN209324359U (en) | A kind of economical rock tunnel(ling) machine being adapted to great burying | |
| CN115355015A (en) | Special-shaped hole slotting tool bit orienting device based on rock drilling trolley drill arm | |
| CN115788478A (en) | TBM tunnel rock plug intercepting method | |
| CN102226394A (en) | Digging and exploring integrated machine | |
| CN109083648B (en) | Model test intersects hidden cavern excavation manipulator and method | |
| CN215718779U (en) | A deformation drill bit and rig for tunnel chaplet face blasting excavation | |
| CN208702415U (en) | The rotational automatic tool changing device of three tool apron of shield machine | |
| CN202220575U (en) | Shaft freezing pipe cutter | |
| CN115538929A (en) | Drill jumbo-based directional slotting tool bit sleeve for special-shaped hole motor | |
| CN211342919U (en) | Equipment for rapid and safe tunnel construction under high ground stress and high geological hazards | |
| CN219529012U (en) | Auxiliary stirring device mounted on main drive of shield tunneling machine | |
| CN216477400U (en) | Supplementary broken rock device of hydraulic support |
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 |