CN109026101A - A kind of mining anchor dispensing device and its application method - Google Patents
A kind of mining anchor dispensing device and its application method Download PDFInfo
- Publication number
- CN109026101A CN109026101A CN201811092914.XA CN201811092914A CN109026101A CN 109026101 A CN109026101 A CN 109026101A CN 201811092914 A CN201811092914 A CN 201811092914A CN 109026101 A CN109026101 A CN 109026101A
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- Prior art keywords
- hole
- anchor
- dispensing device
- slip casting
- mining
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- Pending
Links
- 238000005065 mining Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000007569 slipcasting Methods 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 239000002002 slurry Substances 0.000 claims description 36
- 239000004567 concrete Substances 0.000 claims description 22
- 239000011435 rock Substances 0.000 claims description 22
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 238000005553 drilling Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000011378 shotcrete Substances 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 229920002472 Starch Polymers 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000004873 anchoring Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000668854 Howardia biclavis Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-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
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
The present invention provides a kind of mining anchor dispensing device and its application method, it includes slip casting base (4a), Grouting Pipe (5) and through-hole (4b) are equipped on slip casting base (4a), the sealing ring (3) of corresponding matching is equipped in the through-hole side (4b), injected hole (8) are additionally provided in slip casting base (4a), are also successively arranged with cover board (6) and sealing of hole set (7) in Grouting Pipe (5).When in use using lapping, punch, be put into, fastening, mixed mud sealing, slip casting, taking-up, fastening again, mixed mud seals again the step of construct.The present invention has that structure is simple, easy to use, slip casting effect is good, has saved material, has mitigated labor intensity of workers, considerably reduces construction cost, section components can Reusability the advantages that.
Description
Technical field:
The present invention relates to mine anchor rod or the matching used device of anchor cable, be specifically exactly a kind of mining anchor dispensing device and its
Application method.
Background technique:
With the increasingly increase of mining scale, pit mining depth is also increasing, and therefore, the pressure of roadway surrounding rock is also increasingly
Greatly, especially by the tunnel of mining influence, soft stratum and crushed zone, tunnel is located in unstable rock mass, and the development of country rock plane of weakness makes
It obtains Surrounding Rock Strength and stability is poor, this just brings very big difficulty to roadway surrounding rock control and roadway support and maintenance.And
Supporting is carried out using conventional anchor bar/anchor cable, effect is unsatisfactory.The anchor note technology to grow up recent years in mine and
It is used widely in geotechnical engineering, engineering effectiveness is also very significant, and very big effect has especially been played in soft stratum supporting.
Currently, mine working realizes that bolt-grouting support is mainly respectively adopted anchor bar/anchor cable and carries out anchoring support, and slip casting is then adopted
Grouted anchor bar, the two will construct respectively and just be able to achieve real bolt-grouting support.Grouted anchor bar is generally used with slurry outlet
Steel pipe is as the body of rod, and since steel pipe walls are relatively thin, bearing capacity is also very low, generally in 100KN or less, it is difficult to meet deep mining
High stress roadway with large deformation supporting requirement, can only play the role of Grouting Pipe, also not reusing；In addition, due to needing again
Drilling installation grouted anchor bar also wastes a large amount of manpower and material resources, increases cost, reduces efficiency.And common anchor bar/anchor cable
General anchoring support effect is only served after drilling installation, be can not achieve full length fastening and grouting and reinforcing and is reduced integer support effect
Fruit, and the manpower that drilling expends is wasted, it cannot reuse, cause huge waste.How by anchoring support and grouting and reinforcing
It is problem urgently to be resolved that technology, which combines,.
Summary of the invention:
The present invention is exactly to provide a kind of mining anchor dispensing device and its application method to overcome the shortcomings of in the prior art.
The present invention the following technical schemes are provided:
A kind of mining anchor dispensing device, it includes anchor pole, it is characterised in that: anchor dispensing device, the anchor note are equipped on anchor pole
It includes slip casting base to device, and the through-hole with anchor pole corresponding matching is equipped in slip casting base, is equipped with corresponding matching in through-hole one end
Sealing ring is connected with Grouting Pipe in the through-hole other end, is additionally provided with injected hole on the hole wall of through-hole, also successively covers in Grouting Pipe
It is covered equipped with cover board, sealing of hole set and every slurry.
Based on the above technical solution, there can also be technical solution further below:
The through-hole is stepped hole, and stepped hole includes small-bore section and large aperture section, is equipped with one in small-bore section one end
Chamfering is enclosed, described sealing ring one end end is inserted into chamfering.
Cavity is formed in through-hole between the Grouting Pipe and injected hole.
The sealing of hole set and sealing ring are taper.
It is equipped with elbow on the injected hole, pump slurry pipe is connected on elbow.
Described covers every slurry in one end of the slurry output end of Grouting Pipe, every one end of slurry set and the anchor pole bar of Grouting Pipe side
Body contact, it is described to be made every slurry set of elastic material.
It is equipped with one on the cover board and encloses the bending part axially drawn close to it.
A kind of application method of mining anchor dispensing device, then it sets the following steps are included: be laid with protective net on rock mass first
Mounting hole is set, then Anchor Agent is put into mounting hole；It is characterized by: Grouting Pipe is inserted into mounting hole until cover board and rock mass
Contact；Anchor pole is connect equipped with nut, gasket, sealing ring one end with jumbolter, and the other end is inserted into from the through-hole of slip casting base
Mounting hole, the other end of anchor pole can push directly on Anchor Agent until the bottom of mounting hole, and then jumbolter drives anchor pole bar again
The quick Stirring Anchor Agent of body, after Anchor Agent solidification, jumbolter rotating nut makes nut on anchor pole to mounting hole
Side is mobile, gasket, sealing ring, slip casting base, cover board and sealing of hole set is successively passed to by nut extruding force, to realize installation
Sealing between hole and anchor rod body and slip casting base.The first concrete layer then is formed in rock mass surface gunite concrete, to this
Certain interval of time after layer concrete solidification will starch pipe slip casting into mounting hole by pump；Static a period of time after the completion of slip casting,
When slurries in hole to be installed partly solidify, after laying down the nut and gasket on anchor pole, with tool anchor dispensing device from drilling
It pulls out, then successively gasket, nut is reinstalled in place, the anchor dispensing device of recycling is cleaned out in case next time uses；Finally
Gunite concrete forms the second concrete layer again on the first concrete layer.
Invention advantage:
The present invention makes common bolt or anchor cable that can at least play two kinds, first by matching with common bolt or anchor cable
Phase uses as common support anchor rod or anchor cable, and the later period uses as grouted anchor bar or anchor cable, and these need a perforating
Installation does not have to the additionally mounted grouted anchor bar of perforating or anchor cable again, keeps construction procedure greatly simplified；Common bolt or anchor cable pass through
Mating anchor dispensing device combines anchoring support and grouting reinforcement technique, this not only makes anchor pole realize that full length fastening improves
Effects of Supporting, while slip casting again carries out country rock to reinforce the stability that ensure that country rock, is truly realized anchor note one
Change construction, and these need a construction and installation to achieve that；Anchor dispensing device is used cooperatively with anchor pole, anchor cable respectively, can be real
Existing shallow bore hole and deep hole grouting.Integer support intensity is high, has saved material, mitigates labor intensity of workers, and recyclable be repeated as many times makes
With considerably reducing construction cost, reduce road maintenance amount, improve economic benefit.
Detailed description of the invention:
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the schematic diagram when present invention is fixed on rock mass；
Fig. 3 is A in Fig. 2 to enlarged drawing；
Fig. 4 is the structural schematic diagram after the present invention is installed.
Specific embodiment:
As shown in Figs 1-4, a kind of mining anchor dispensing device of the present invention, it includes anchor pole 1, and anchor dispensing device, institute are equipped on anchor pole 1
Stating anchor dispensing device, it includes slip casting base 4a, be equipped on slip casting base 4a with the through-hole 4b that wears 1 corresponding matching of anchor pole, described is logical
Hole 4b is stepped hole, and stepped hole includes small-bore section and large aperture section, is equipped with the coaxial distribution of a circle in small-bore section one end
Chamfering 4c.
The sealing ring 3 being coaxially distributed is arranged on 1 shaft of anchor pole of small-bore section side, the sealing ring 3 is taper,
In the cone head part insertion chamfering 4c of one end.
It is plugged with Grouting Pipe 5, the Grouting Pipe 5 and the coaxial distribution of anchor pole 1 in the section of the large aperture of through-hole 4b, and diameter is big
In the diameter of anchor pole 1, so that certain distance is separated between the inner tubal wall of Grouting Pipe 5 and the shaft of anchor pole 1, and Grouting Pipe 5
Length is less than the non-anchoring section body of rod length of anchor pole 1, the case where closure to prevent grout outlet.The non-anchoring section be not with
The shaft part of the anchor pole of Anchor Agent contact.
Cover board 6, sealing of hole set 7 are also successively arranged in the Grouting Pipe 5 of the side slip casting base 4a and every slurry set 16.In the lid
The diameter of plate 6 is greater than the diameter of slip casting base 4a, and is additionally provided on cover board 6 the bending part 6a that a circle is axially drawn close to it.Institute
Stating sealing of hole set 7 also is taper.
Described is solidly set on one end of the slurry output end of Grouting Pipe 5 every 16 jails of slurry set, one end and Grouting Pipe 5 one every slurry set 16
1 body of rod of anchor pole of side contacts, described to be made every slurry set 16 of elastic material.In 5 slip casting of Grouting Pipe, effect of the slurries in pressure
It is lower to be strutted every one end of slurry set 16, so that there is the opening flowed out for slurries every one end of slurry set 16 and anchor pole 1, work as Grouting Pipe
After one end of slurry set 16 elastic shrinkage occurs for 5 not slip castings, so that every one end of slurry set 16 and 1 bar of anchor pole of 5 side of Grouting Pipe
Body contact, to separate with the slurries outside Grouting Pipe 5 in Grouting Pipe 5, after can preventing slip casting from stopping in this way, slurries are out of mounting hole
Situation about flowing back into Grouting Pipe 5 occurs.
The injected hole 8 that is in communication with the outside is equipped on the hole wall of the large aperture through-hole 4b section, injected hole 8 and Grouting Pipe 5 it
Between between be separated with certain distance, to be formed with cavity a in through-hole 4b.The design of this cavity a is so that from injected hole inflow
Slurries can more smoothly flow into Grouting Pipe 5.Elbow 9 is equipped on the outside of slip casting base 4a, one end of elbow 9 and injected hole 8 connect
Logical, the other end is communicated with pump slurry pipe 10, and pump slurry pipe 10 is connected to by connector 10a with the pump line 11 of grouting pump.
A kind of application method of mining anchor dispensing device, it on 15 surface of rock mass the following steps are included: be first laid in figure not
The protective net of display so that the concrete layer being mentioned below is easy to be attached on rock mass, and prevents rock when construction from falling and hurt sb.'s feelings.
It reuses jumbolter and drills out a diameter on rock mass 15 slightly larger than slip casting pipe diameter, length and 1 length of anchor pole
Corresponding mounting hole 12, then Anchor Agent 14 is put into mounting hole 12.
The Grouting Pipe 5 of anchor dispensing device is inserted into mounting hole 12 and is contacted up to cover board 6 with protective net and rock mass 15, is at this moment anchored
Agent 14 also can further be goed deep into mounting hole 12 in the promotion of Grouting Pipe 5.
By anchor pole 1 be equipped with nut 2, gasket 3a, sealing ring 3 one end connect with jumbolter, the other end is from slip casting base 4a
Through-hole in be inserted into, the other end of anchor pole 1 can push directly on Anchor Agent 14 until the bottom of mounting hole 12, and then jumbolter is again
Drive the quick Stirring Anchor Agent of anchor rod body.
After the solidification of Anchor Agent 14, jumbolter is rotated further by nut 2 and makes nut 2 on anchor pole 1 to 12 side of mounting hole
It is mobile, gasket 3a, sealing ring 3, slip casting base 4, cover board 6 and sealing of hole set 7 are successively passed to by 2 extruding force of nut.Reach nut 2
When reaching setting torque, at this moment cover board 6 can be tightly attached on protective net and scar, and the overwhelming majority of sealing of hole set 7 can also be pressed
Enter in mounting hole 12, to realize the sealing of mounting hole 12.And the major part of sealing ring 3 is also deeply fallen in the extruding force of nut 2
In the 4c of angle, the sealing between gasket 3a and anchor rod body and slip casting base 4 is realized.
Then first are sealed by protection, then carries out gunite concrete to rock mass for elbow 9, pump slurry pipe 10, thus in rock mass
Upper the first concrete layer 13 for forming thinner thickness, to be closed to crack on roadway surrounding rock rock mass.After closing
Cover board 6 can be fully sealed inside the first concrete layer 13, and a part of the outer circumference surface of slip casting base 4 can also be mixed by first
Solidifying soil layer 13 is wrapped up, and elbow will be located at 13 outside of concrete layer.
Proper moment is selected to carry out slip casting further according to roadway deformation situation after the solidification of the first concrete layer 13, when slip casting will connect
There is the connector 10a of pump line 11 to be connected to pump slurry pipe 10, by grouting pump deployed slurries, through elbow 9, injected hole 8, cavity
Portion a and Grouting Pipe 5 are pumped into inside mounting hole 12.
Connector 10a is removed after the completion of slip casting.Before being solidified to slurries 17, nut 2, the gasket 3a on anchor pole are laid down, is then used
Tool takes out slip casting base 4a and Grouting Pipe 5 from drilling, then gasket 3a and nut 2 are successively reinstalled fastening in place.Most
Gunite concrete forms the second thicker concrete layer 13a again on the first concrete layer 13 afterwards.Second concrete
Gasket 3a and nut 2 are completely covered layer 13a.
And slip casting base 4a and Grouting Pipe 5 are removed after cleaning out, in case Reusability.
Claims (8)
1. a kind of mining anchor dispensing device, it includes anchor pole (1), it is characterised in that: anchor dispensing device, institute are equipped on anchor pole (1)
It includes slip casting base (4a) to the anchor dispensing device stated, and the through-hole (4b) with anchor pole (1) corresponding matching is equipped on slip casting base (4a),
Through-hole one end (4b) is equipped with the sealing ring (3) of corresponding matching, Grouting Pipe (5) is connected in through-hole (4b) other end, in through-hole
It is additionally provided with injected hole (8) on the hole wall of (4b), cover board (6), sealing of hole set (7) are also successively arranged on Grouting Pipe (5) and every slurry
It covers (16).
2. a kind of mining anchor dispensing device according to claim 1, it is characterised in that: the through-hole (4b) is step
Hole, stepped hole include small-bore section and large aperture section, are equipped with circle chamfering (4c), the sealing ring in small-bore section one end
(3) in one end end insertion chamfering (4c).
3. a kind of mining anchor dispensing device according to claim 1, it is characterised in that: in the Grouting Pipe (5) and slip casting
Cavity (a) is formed in through-hole (4b) between hole (8).
4. a kind of mining anchor dispensing device according to claim 1, it is characterised in that: the sealing of hole set (7) and sealing ring
It (3) is taper.
5. a kind of mining anchor dispensing device according to claim 1, it is characterised in that: set on the injected hole (8)
There are elbow (9), pump slurry pipe (10) is connected on elbow (9).
6. a kind of mining anchor dispensing device according to claim 1, it is characterised in that: described cover every slurry set (16) is being infused
Slurry pipe (5) slurry output end one end, every slurry set (16) one end contacted with anchor pole (1) shaft of Grouting Pipe (5) side, it is described every
Slurry set (16) is made of elastic material.
7. a kind of mining anchor dispensing device according to claim 1, it is characterised in that: be equipped with one on the cover board (6)
Enclose the bending part (6a) axially drawn close to it.
8. a kind of application method of mining anchor dispensing device, it is the following steps are included: spread protective net, then on rock mass (15) surface first
It is arranged mounting hole (12), then Anchor Agent (14) is put into mounting hole (12)；It is installed it is characterized by: Grouting Pipe (5) are inserted into
Until cover board (6) are contacted with protective net and rock mass (15) in hole (12)；Anchor pole (1) is equipped with nut (2), gasket (3a), sealing ring
(3) one end is connect with jumbolter, and the other end is inserted into mounting hole (12) from the through-hole of slip casting base (4a), anchor pole (1) it is another
End can push directly on Anchor Agent (14) until the bottom of mounting hole (12), and then jumbolter drives anchor rod body quickly to rotate again
Stir Anchor Agent (14), Anchor Agent (14) solidification after, jumbolter rotating nut (2) make nut (2) on anchor pole (1) to
Mounting hole (12) side is mobile, successively passes to gasket (3a), sealing ring (3), slip casting base (4), lid by nut (2) extruding force
Plate (6) and sealing of hole set (7), to realize the sealing between mounting hole (12) and anchor rod body and slip casting base (4)；Then in rock mass
(15) surface gunite concrete forms the first concrete layer (13), after the layer concrete solidifies certain interval of time, will pass through
Pump starches head (10) to mounting hole (12) interior slip casting；Static a period of time after the completion of slip casting, the slurries half in hole (12) to be installed are solidifying
Gu when, after laying down the nut (2) and gasket (3a) on anchor pole, anchor dispensing device is pulled out from drilling with tool, then successively
Gasket (3a), nut (2) are reinstalled in place, the anchor dispensing device of recycling are cleaned out in case next time uses；Finally first
Gunite concrete forms the second concrete layer (13a) again on concrete layer (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811092914.XA CN109026101A (en) | 2018-09-13 | 2018-09-13 | A kind of mining anchor dispensing device and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811092914.XA CN109026101A (en) | 2018-09-13 | 2018-09-13 | A kind of mining anchor dispensing device and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109026101A true CN109026101A (en) | 2018-12-18 |
Family
ID=64617092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811092914.XA Pending CN109026101A (en) | 2018-09-13 | 2018-09-13 | A kind of mining anchor dispensing device and its application method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109026101A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882224A (en) * | 2019-03-29 | 2019-06-14 | 攀枝花学院 | Chicksan for rockbolt installation |
| CN110500126A (en) * | 2019-09-20 | 2019-11-26 | 中铁隧道集团一处有限公司 | Hollow bolt filling adaptor and hollow bolt construction technology |
| CN111335899A (en) * | 2020-03-24 | 2020-06-26 | 中国电建集团成都勘测设计研究院有限公司 | Advanced support device for water-saturated plastic clay and use method |
| CN111502720A (en) * | 2020-05-28 | 2020-08-07 | 淮南矿业(集团)有限责任公司 | Solid anchor rod capable of grouting |
| CN117605512A (en) * | 2024-01-23 | 2024-02-27 | 矿冶科技集团有限公司 | Anchor cable high-pressure grouting control device and method |
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