CN107288671A - Reinforcing soft broken coal rock body bores the integrated extensible anchor pole of envelope note and its construction method - Google Patents
Reinforcing soft broken coal rock body bores the integrated extensible anchor pole of envelope note and its construction method Download PDFInfo
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- CN107288671A CN107288671A CN201710718310.0A CN201710718310A CN107288671A CN 107288671 A CN107288671 A CN 107288671A CN 201710718310 A CN201710718310 A CN 201710718310A CN 107288671 A CN107288671 A CN 107288671A
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- Prior art keywords
- hollow
- anchor pole
- anchor
- connection piece
- rod connection
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- 239000011435 rock Substances 0.000 title claims abstract description 33
- 239000003245 coal Substances 0.000 title claims abstract description 28
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000007569 slipcasting Methods 0.000 claims description 29
- 238000005553 drilling Methods 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 21
- 239000002002 slurry Substances 0.000 claims description 6
- 238000004873 anchoring Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000011440 grout Substances 0.000 claims description 3
- 231100000241 scar Toxicity 0.000 claims description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims 1
- 235000011613 Pinus brutia Nutrition 0.000 claims 1
- 241000018646 Pinus brutia Species 0.000 claims 1
- 238000003892 spreading Methods 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 210000003739 neck Anatomy 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000003442 weekly effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
- E21D20/028—Devices or accesories for injecting a grouting liquid in a bore-hole
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0093—Accessories
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Piles And Underground Anchors (AREA)
Abstract
Reinforcing soft broken coal rock body bores the integrated extensible anchor pole of envelope note, including the coaxial anchor bit set gradually by front end to rear end, hollow termination anchor pole, the first anchor rod connection piece, hollow connects anchor pole, the second anchor rod connection piece and jumbolter crossover sub；The rear end of anchor bit is connected with the front end of hollow termination anchor pole, the leading section of first anchor rod connection piece and rearward end are connected with the rear end and the hollow front end for connecing anchor pole of hollow termination anchor pole respectively, the leading section of the second anchor rod connection piece and the rearward end hollow rear end for connecing anchor pole and the connection of the front end of jumbolter crossover sub respectively.The invention also discloses the construction method of extensible anchor pole, the present invention can either realize its support reinforcement to coal mine roadway incompact fractured surrounding rock, different loose crushing area scopes can be adapted to spreading again and the large deformation of roadway surrounding rock is can adapt to, deft design is reasonable, mounting process is simple, is primarily adapted for use in coal mine roadway loose crushing area or soft-rock tunnel reinforcing engineering.
Description
Technical field
The invention belongs to coal mine roadway reinforcing soft broken coal rock body supporting field, more particularly to a kind of reinforcing soft broken coal rock body is bored
The integrated extensible anchor pole of envelope note and its construction method.
Background technology
Coal is China's main energy sources form, and it occupies more than 50% share in China's primary energy consumption proportion for a long time.
Coal mining needs to dig a series of tunnels, and an important ring for colliery high-yield and high-efficiency is exactly the effective support in these tunnels.In crowd
Among many tunnels, adopted, geological structure and forming Environment etc. influence, incompact fractured surrounding rock tunnel occupies significant proportion, branch
Shield difficulty is larger and cost is higher.Under the conditions of prior art, use the support pattern using grouted anchor bar as core to change lane more
The state of road incompact fractured surrounding rock, makes complete structure, so that with good bearing capacity.Traditional grouted anchor bar
Complicated, cost is higher and its length is influenceed to cause anchor note length to be restricted by head-room and width, anchor bolt construction
Process is complicated, body of rod elongation percentage it is low can not suitable for surrounding rock large deformation, to equipment and the requirement of field personnel's technical merit
It is higher, thus extensive use can not be obtained in terms of coal mine roadway reinforcing soft broken coal rock body supporting, and then cause such tunnel branch
Mask faces bottleneck problem, threatens staff's life security and the realization of mine high-yield and high-efficiency.
The content of the invention
For in place of solving the deficiencies in the prior art, the present invention provide it is a kind of it is simple in construction, be easy to that construction, cost be low, supporting
Reinforcing soft broken coal rock body that is firm, adapting to country rock large deformation bores the integrated extensible anchor pole of envelope note and its construction method.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：Reinforcing soft broken coal rock body bores envelope note integration
Extensible anchor pole, including the coaxial anchor bit 1 set gradually by front end to rear end, hollow termination anchor pole 3, the first anchor pole connect
Fitting 4, hollow connect anchor pole 5, the second anchor rod connection piece 8 and jumbolter crossover sub 9；The rear end of anchor bit 1 is stretched into simultaneously
Inside the front end for being threaded in hollow termination anchor pole 3, the leading section of the first anchor rod connection piece 4 and rearward end are respectively protruding into and spiral shell
Line is connected to inside the rear end of hollow termination anchor pole 3 and inside the hollow front end for connecing anchor pole 5, before the second anchor rod connection piece 8
End is stretched into and is threaded in inside the hollow rear end for connecing anchor pole 5, and the rear end of the second anchor rod connection piece 8 is stretched into and is threadedly coupled
Inside the front end of jumbolter crossover sub 9, the rear portion of jumbolter crossover sub 9 is be connected with jumbolter six
Prism structure 14, the hollow rearward end for connecing anchor pole 5 is cylindrical to be provided with external screw thread.
Central Symmetry is provided with hollow termination anchor pole 3 and the circumferential surface at the hollow front portion for connecing anchor pole 5 and rear portion
Two spanner necks 6.
Equal Central Symmetry is provided with two spanners on the circumferential surface of first anchor rod connection piece 4 and the second anchor rod connection piece 8
Clamping plane 15.
The through hole of the hollow inside of termination anchor pole 3 connection, the cylindrical weekly form of hollow termination anchor pole 3 are offered in anchor bit 1
Face is fixedly installed spiral deslagging fin bar 2.
Reinforcing soft broken coal rock body bores the construction method of the integrated extensible anchor pole of envelope note, comprises the following steps,
（a）Six prism structures 14 of jumbolter crossover sub 9 are inserted into the power output interface of jumbolter；
（b）Jumbolter crossover sub 9 is connected with the second anchor rod connection piece 8, anchor bit 1 is screwed to hollow termination anchor pole 3
Front end, is then assembled to required length, then using the first anchor rod connection piece 4 by hollow termination anchor pole 3 and the hollow anchor pole 5 that connects
The hollow rear end for connecing anchor pole 5 is connected and tightened with the nose threads of the second anchor rod connection piece 8；When required drilling length exceedes
Need to be used when span length or height in drilling process constantly use the first anchor rod connection piece 4 connect it is hollow connect anchor pole 5 with
Reach length requirement；
（c）The boring point of the alignment settings of anchor bit 1, starts jumbolter, the long anchor pole assembled in step 2 is pierced soft broken
Broken coal rock mass is exposed to after design length to the hollow rear portion for connecing anchor pole 5 of final section, then removes rig and unloads lower bolt
The anchor rod connection piece 8 of rig crossover sub 9 and second；
（d）Around cleaning leveling anchor hole after scar by sealing of hole pallet 7 be installed to it is hollow connect on anchor pole 5, connect anchor hollow
Nut 10 is screwed on the external screw thread of the rearward end of bar 5 and sealing of hole pallet 7 is compressed, then connect slip casting grouting stop-valve door 11 with hollow
The rear end connection of anchor pole 5, the front end connection grouting pump connecting tube of slip casting grouting stop-valve door 11, then opens slip casting grouting stop-valve door 11,
Start grouting pump, slurries successively by slip casting grouting stop-valve door 11, hollow connect anchor pole 5, the first anchor rod connection piece 4, hollow termination anchor
It is injected between the outer wall of long anchor pole and drilling and flies in annular gap after bar 3 and anchor bit 1, sealing of hole pallet 7 stops that slurries exist
It is excessive in drilling；
（e）Pressure gauge is provided with grouting pump connecting tube, after the pressure on pressure gauge reaches setting value, slip casting grouting stop-valve is closed
Door 11, dismounting grouting pump connecting tube and grouting pump, after removing slip casting grouting stop-valve door 11 after grout cures again, that is, complete long anchor pole
Anchoring construction.
The port of export of described 11 rear ends of slip casting grouting stop-valve door is provided with externally threaded slip casting pipe joint 12, Grouting Pipe
Joint 12 is stretched into and is threaded in inside the hollow rear end for connecing anchor pole 5.
The front end of sealing of hole pallet 7, which is fixedly connected with, extend into the hollow rubber plug 13 in drilling, the internal diameter of hollow rubber plug 13,
The external diameter of hollow termination anchor pole 3 and the hollow external diameter for connecing anchor pole 5 are equal, and the excircle of hollow rubber plug 13 is in front fine and rear thick
Conical structure, the external diameter of the most taper end of the leading section of hollow rubber plug 13 is equal to the internal diameter of drilling.
Using above-mentioned technical proposal, the present invention is relative to prior art, with following technique effect：
1st, the slip casting grouting stop-valve door in the present invention is reusable edible part, and comparing can save into for traditional grouted anchor bar
This.
2nd, long anchor rod body of the invention connects anchor pole comprising hollow termination anchor pole with hollow（, its full-length is
1.0m, can carry out rationally assembling using the first anchor rod connection piece making its more traditional slip casting anchor according to country rock loose crushing sector width
Bar application is wider, and due to using high-strength, high-elongation steel, spreading position high-elongation causes the body of rod after anchoring in addition
With good elongation percentage, so as to the large deformation of suitable for surrounding rock.
3rd, the sealing of hole pallet that the present invention is planted is the hollow rubber plug for installing certain length additional on the basis of traditional sealing of hole pallet,
When nut compresses sealing of hole pallet, hollow rubber plug is pressed into the aperture of drilling, circumference is in front fine and rear thick to hollow rubber beyond the Great Wall
Conical structure, it is tight that nut top pressure sealing of hole pallet is more pressed, and sealing is stronger, so can fully improve sealing of hole effect, its
Solve the problems, such as traditional grouted anchor bar hole-sealing technology.
4th, each component in the present invention is so not only convenient for split type manufacture by the way of threaded connection, and
The effect for being easy to assembling can be acted.
5th, the function of the existing drilling rod drilling of long anchor pole in the present invention, has the effect of hole sealing tube, kills two birds with one stone again, it is to avoid
The situation for extracting collapse hole after drilling rod after drilling out occurs, and kills two birds with one stone, saves the time of anchoring construction, also save and be constructed into
This.
In summary, the present invention can either realize its support reinforcement to coal mine roadway incompact fractured surrounding rock, again can be with spreading
To adapt to different loose crushing area scopes and can adapt to the large deformation of roadway surrounding rock, anchor pole is pierced after rock mass as slip casting anchor
Bar is used, and rationally, mounting process is simple, solves traditional grouted anchor bar support construction process complicated, complicated for deft design
The problems such as, it is primarily adapted for use in coal mine roadway loose crushing area or soft-rock tunnel reinforcing engineering.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the dimensional structure diagram of slip casting grouting stop-valve door in the present invention；
Fig. 3 is the dimensional structure diagram of jumbolter crossover sub in the present invention；
Fig. 4 is the dimensional structure diagram of the hollow termination anchor pole in the present invention；
Fig. 5 is the hollow dimensional structure diagram for connecing anchor pole in the present invention；
Fig. 6 is the dimensional structure diagram of sealing of hole pallet in the present invention；
Fig. 7 is the structural representation of anchor bit in the present invention.
Embodiment
As shown in Fig. 1-Fig. 7, reinforcing soft broken coal rock body of the invention bores the integrated extensible anchor pole of envelope note, soft broken coal
Rock mass bores the integrated extensible anchor pole of envelope note, including the coaxial anchor bit 1 set gradually by front end to rear end, hollow termination
Anchor pole 3, the first anchor rod connection piece 4, hollow connect anchor pole 5, the second anchor rod connection piece 8 and jumbolter crossover sub 9；Anchor pole is bored
First 1 rear end is stretched into and is threaded in inside the front end of hollow termination anchor pole 3, and the leading section of the first anchor rod connection piece 4 is with after
End is respectively protruding into and is threaded in inside the rear end of hollow termination anchor pole 3 and inside the hollow front end for connecing anchor pole 5, second
The front end of anchor rod connection piece 8 is stretched into and is threaded in inside the hollow rear end for connecing anchor pole 5, after the second anchor rod connection piece 8
End is stretched into and is threaded in inside the front end of jumbolter crossover sub 9, and the rear portion of jumbolter crossover sub 9 is and anchor pole
Six prism structures 14 of rig drive connection, the hollow rearward end for connecing anchor pole 5 is cylindrical to be provided with external screw thread.
Central Symmetry is provided with hollow termination anchor pole 3 and the circumferential surface at the hollow front portion for connecing anchor pole 5 and rear portion
Two spanner necks 6.
Equal Central Symmetry is provided with two spanners on the circumferential surface of first anchor rod connection piece 4 and the second anchor rod connection piece 8
Clamping plane 15.Spanner neck 6 and spanner clamping plane 15 are used to after workman is blocked using spanner carry out axial thread connection
Effect.
The through hole of the hollow inside of termination anchor pole 3 connection, the cylindrical weekly form of hollow termination anchor pole 3 are offered in anchor bit 1
Face is fixedly installed spiral deslagging fin bar 2.
The reinforcing soft broken coal rock body of the present invention bores the construction method of the integrated extensible anchor pole of envelope note, comprises the following steps,
（a）Six prism structures 14 of jumbolter crossover sub 9 are inserted into the power output interface of jumbolter；
（b）Jumbolter crossover sub 9 is connected with the second anchor rod connection piece 8, anchor bit 1 is screwed to hollow termination anchor pole 3
Front end, is then assembled to required length, then using the first anchor rod connection piece 4 by hollow termination anchor pole 3 and the hollow anchor pole 5 that connects
The hollow rear end for connecing anchor pole 5 is connected and tightened with the nose threads of the second anchor rod connection piece 8；When required drilling length exceedes
Need to be used when span length or height in drilling process constantly use the first anchor rod connection piece 4 connect it is hollow connect anchor pole 5 with
Reach length requirement；
（c）The boring point of the alignment settings of anchor bit 1, starts jumbolter, the long anchor pole assembled in step 2 is pierced soft broken
Broken coal rock mass is exposed to after design length to the hollow rear portion for connecing anchor pole 5 of final section, then removes rig and unloads lower bolt
The anchor rod connection piece 8 of rig crossover sub 9 and second；
（d）Around cleaning leveling anchor hole after scar by sealing of hole pallet 7 be installed to it is hollow connect on anchor pole 5, connect anchor hollow
Nut 10 is screwed on the external screw thread of the rearward end of bar 5 and sealing of hole pallet 7 is compressed, then connect slip casting grouting stop-valve door 11 with hollow
The rear end connection of anchor pole 5, the front end connection grouting pump connecting tube of slip casting grouting stop-valve door 11, then opens slip casting grouting stop-valve door 11,
Start grouting pump, slurries successively by slip casting grouting stop-valve door 11, hollow connect anchor pole 5, the first anchor rod connection piece 4, hollow termination anchor
It is injected between the outer wall of long anchor pole and drilling and flies in annular gap after bar 3 and anchor bit 1, sealing of hole pallet 7 stops that slurries exist
It is excessive in drilling；
（e）Pressure gauge is provided with grouting pump connecting tube, after the pressure on pressure gauge reaches setting value, slip casting grouting stop-valve is closed
Door 11, dismounting grouting pump connecting tube and grouting pump, after removing slip casting grouting stop-valve door 11 after grout cures again, that is, complete long anchor pole
Anchoring construction.
The port of export of described 11 rear ends of slip casting grouting stop-valve door is provided with externally threaded slip casting pipe joint 12, Grouting Pipe
Joint 12 is stretched into and is threaded in inside the hollow rear end for connecing anchor pole 5.
The front end of sealing of hole pallet 7, which is fixedly connected with, extend into the hollow rubber plug 13 in drilling, the internal diameter of hollow rubber plug 13,
The external diameter of hollow termination anchor pole 3 and the hollow external diameter for connecing anchor pole 5 are equal, and the excircle of hollow rubber plug 13 is in front fine and rear thick
Conical structure, the external diameter of the most taper end of the leading section of hollow rubber plug 13 is equal to the internal diameter of drilling.
The present embodiment not makees any formal limitation to shape, material, structure of the present invention etc., every according to this hair
Any simple modification, equivalent variations and modification that bright technical spirit is made to above example, belong to the technology of the present invention side
The protection domain of case.
Claims (7)
1. reinforcing soft broken coal rock body bores the integrated extensible anchor pole of envelope note, it is characterised in that：Including coaxial by front end to rear end
The anchor bit set gradually（1）, hollow termination anchor pole（3）, the first anchor rod connection piece（4）, hollow connect anchor pole（5）, second
Anchor rod connection piece（8）With jumbolter crossover sub（9）；Anchor bit（1）Rear end stretch into and be threaded in hollow termination
Anchor pole（3）Front end inside, the first anchor rod connection piece（4）Leading section and rearward end be respectively protruding into and be threaded in hollow end
Head anchor pole（3）Rear end inside and hollow connect anchor pole（5）Front end inside, the second anchor rod connection piece（8）Front end stretch into simultaneously
It is threaded in and hollow connects anchor pole（5）Rear end inside, the second anchor rod connection piece（8）Rear end stretch into and be threaded in anchor
Bar drill machine crossover sub（9）Front end inside, jumbolter crossover sub（9）Rear portion be with jumbolter be connected six
Prism structure（14）, it is hollow to connect anchor pole（5）Rearward end cylindrical be provided with external screw thread.
2. reinforcing soft broken coal rock body according to claim 1 bores the integrated extensible anchor pole of envelope note, it is characterised in that：It is hollow
Termination anchor pole（3）Anchor pole is connect with hollow（5）Front portion and rear portion circumferential surface on Central Symmetry be provided with two spanners
Neck（6）.
3. reinforcing soft broken coal rock body according to claim 2 bores the integrated extensible anchor pole of envelope note, it is characterised in that：First
Anchor rod connection piece（4）With the second anchor rod connection piece（8）Circumferential surface on Central Symmetry be provided with two spanner clamping planes
（15）.
4. reinforcing soft broken coal rock body according to claim 3 bores the integrated extensible anchor pole of envelope note and its construction method, its
It is characterised by：Anchor bit（1）Inside offer hollow termination anchor pole（3）The through hole of inside connection, hollow termination anchor pole（3）It is outer
Circumferential surface is fixedly installed spiral deslagging fin bar（2）.
5. boring the construction method of the integrated extensible anchor pole of envelope note using the reinforcing soft broken coal rock body described in claim 4, it is special
Levy and be：Comprise the following steps,
（a）By jumbolter crossover sub（9）Six prism structures（14）It is inserted into the power output interface of jumbolter；
（b）By jumbolter crossover sub（9）With the second anchor rod connection piece（8）Connection, by anchor bit（1）It is screwed to hollow termination
Anchor pole（3）Front end, then using the first anchor rod connection piece（4）By hollow termination anchor pole（3）Anchor pole is connect with hollow（5）It is assembled to
Required length, then connects anchor pole by hollow（5）Rear end and the second anchor rod connection piece（8）Nose threads connect and tighten；
Need to be in drilling process using constantly using the first anchor rod connection piece when required drilling length exceedes span length or height（4）
Connection is hollow to connect anchor pole（5）To reach length requirement；
（c）Anchor bit（1）The boring point of alignment settings, starts jumbolter, by step（2）The long anchor pole of middle assembling pierces pine
Soft fractured coal and rock connects anchor pole to final section is hollow（5）Rear portion it is exposed to after design length, then remove rig and unload
Lower bolt rig crossover sub（9）With the second anchor rod connection piece（8）；
（d）By sealing of hole pallet after scar around cleaning leveling anchor hole（7）It is installed to and hollow connects anchor pole（5）On, it is hollow can
Connect anchor pole（5）Rearward end external screw thread on screw on nut（10）And compress sealing of hole pallet（7）, then by slip casting grouting stop-valve door
（11）Anchor pole is connect with hollow（5）Rear end connection, slip casting grouting stop-valve door（11）Front end connection grouting pump connecting tube, then open
Open slip casting grouting stop-valve door（11）, start grouting pump, slurries are successively by slip casting grouting stop-valve door（11）, hollow connect anchor pole（5）, first
Anchor rod connection piece（4）, hollow termination anchor pole（3）And anchor bit（1）Flying barrel between the outer wall of long anchor pole and drilling is injected into afterwards
In shape gap, sealing of hole pallet（7）Stop that slurries are excessive in drilling；
（e）Pressure gauge is provided with grouting pump connecting tube, after the pressure on pressure gauge reaches setting value, slip casting grouting stop-valve is closed
Door（11）, dismounting grouting pump connecting tube and grouting pump, after removing slip casting grouting stop-valve door after grout cures again（11）, that is, complete long anchor
The anchoring construction of bar.
6. construction method according to claim 5, it is characterised in that：Described slip casting grouting stop-valve door（11）The outlet of rear end
End is provided with externally threaded slip casting pipe joint（12）, slip casting pipe joint（12）Stretch into and be threaded in and hollow connect anchor pole
（5）Rear end inside.
7. construction method according to claim 5, it is characterised in that：Sealing of hole pallet（7）Front end, which is fixedly connected with, to be extend into
Hollow rubber plug in drilling（13）, hollow rubber plug（13）Internal diameter, hollow termination anchor pole（3）External diameter and hollow connect anchor
Bar（5）External diameter it is equal, hollow rubber plug（13）Excircle be in front fine and rear thick conical structure, hollow rubber plug（13）Before
The external diameter of the most taper end of end is equal to the internal diameter of drilling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710718310.0A CN107288671B (en) | 2017-08-21 | 2017-08-21 | Construction method of soft crushed coal rock mass drilling, sealing and injecting integrated extendable anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710718310.0A CN107288671B (en) | 2017-08-21 | 2017-08-21 | Construction method of soft crushed coal rock mass drilling, sealing and injecting integrated extendable anchor rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107288671A true CN107288671A (en) | 2017-10-24 |
| CN107288671B CN107288671B (en) | 2023-03-14 |
Family
ID=60106611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710718310.0A Expired - Fee Related CN107288671B (en) | 2017-08-21 | 2017-08-21 | Construction method of soft crushed coal rock mass drilling, sealing and injecting integrated extendable anchor rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107288671B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798734A (en) * | 2018-06-22 | 2018-11-13 | 贵州大学 | A kind of outer anchor pole for the double-deck anchor pole |
| CN108843357A (en) * | 2018-06-22 | 2018-11-20 | 贵州大学 | A kind of bilayer rock-bolt and construction method |
| CN110644944A (en) * | 2019-08-26 | 2020-01-03 | 中煤科工集团西安研究院有限公司 | Outer flat type high-pressure rotary jet grouting device and method for complex stratum under coal mine |
| CN110645033A (en) * | 2019-10-17 | 2020-01-03 | 中铁八局集团有限公司 | Device and method for deep grouting in sandy cobble stratum shield construction tunnel |
| CN111734462A (en) * | 2020-07-31 | 2020-10-02 | 魏群 | Anchor grouting structure |
| CN112431624A (en) * | 2020-11-16 | 2021-03-02 | 河南理工大学 | One-step anchor rod and supporting operation method thereof |
| CN113586110A (en) * | 2021-07-21 | 2021-11-02 | 山西中煤担水沟煤业有限公司 | Drilling device and supporting method for soft and broken surrounding rock of mine |
| GB2609017A (en) * | 2021-07-16 | 2023-01-25 | Hypertunnel Ip Ltd | Integrated drilling injection and extraction device and method |
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| CN106337692A (en) * | 2016-11-25 | 2017-01-18 | 中国矿业大学 | Self-drilling and self-anchoring anchor rod capable of being lengthened and suitable for weak coal rock and anchoring method thereof |
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| CN108798734A (en) * | 2018-06-22 | 2018-11-13 | 贵州大学 | A kind of outer anchor pole for the double-deck anchor pole |
| CN108843357A (en) * | 2018-06-22 | 2018-11-20 | 贵州大学 | A kind of bilayer rock-bolt and construction method |
| CN110644944A (en) * | 2019-08-26 | 2020-01-03 | 中煤科工集团西安研究院有限公司 | Outer flat type high-pressure rotary jet grouting device and method for complex stratum under coal mine |
| CN110644944B (en) * | 2019-08-26 | 2021-05-18 | 中煤科工集团西安研究院有限公司 | Outer flat type high-pressure rotary jet grouting device and method for complex stratum under coal mine |
| CN110645033A (en) * | 2019-10-17 | 2020-01-03 | 中铁八局集团有限公司 | Device and method for deep grouting in sandy cobble stratum shield construction tunnel |
| CN111734462A (en) * | 2020-07-31 | 2020-10-02 | 魏群 | Anchor grouting structure |
| CN112431624A (en) * | 2020-11-16 | 2021-03-02 | 河南理工大学 | One-step anchor rod and supporting operation method thereof |
| GB2609017A (en) * | 2021-07-16 | 2023-01-25 | Hypertunnel Ip Ltd | Integrated drilling injection and extraction device and method |
| GB2609017B (en) * | 2021-07-16 | 2023-07-12 | Hypertunnel Ip Ltd | Integrated drilling injection and extraction device and method |
| CN113586110A (en) * | 2021-07-21 | 2021-11-02 | 山西中煤担水沟煤业有限公司 | Drilling device and supporting method for soft and broken surrounding rock of mine |
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