CN109595019A - A kind of high-pressure slip-casting and anchor integrated anchor pole and its application method - Google Patents
A kind of high-pressure slip-casting and anchor integrated anchor pole and its application method Download PDFInfo
- Publication number
- CN109595019A CN109595019A CN201910067065.0A CN201910067065A CN109595019A CN 109595019 A CN109595019 A CN 109595019A CN 201910067065 A CN201910067065 A CN 201910067065A CN 109595019 A CN109595019 A CN 109595019A
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- China
- Prior art keywords
- rod
- pressure
- anchoring
- anchor pole
- bag
- 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
- 238000007569 slipcasting Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000002002 slurry Substances 0.000 claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 20
- 238000004873 anchoring Methods 0.000 claims abstract description 19
- 238000005553 drilling Methods 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000003245 coal Substances 0.000 abstract description 8
- 230000010354 integration Effects 0.000 abstract description 3
- 239000011435 rock Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- 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
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 invention discloses a kind of high-pressure slip-casting and anchor integrated anchor pole and its application method, including the body of rod, the body of rod is provided with continuous external screw thread, the body of rod is provided with slurry outlet, slurry outlet is connected to through the body of rod and with the inside of the body of rod, and the right end of the body of rod is provided with Anchor Agent, and the left end of the body of rod is provided with grouting bag, gasket, pallet and nut are equipped on the body of rod in the left side of grouting bag, the internal screw thread of nut and the external screw thread of the body of rod match；The body of rod is connected with high-pressure pump, high-pressure pump is connected with slurry can, high-pressure pump can squeeze into the slurries in slurry can in the body of rod, grouting bag carries out sealing of hole to the drilling of back, slurries are entered in drilling by the slurry outlet on the body of rod, and the broken segment of back is quickly entered, reinforced roadway top plate.The present invention realizes the integration of anchoring and high-pressure slip-casting work, improves working efficiency and the safety of underground coal mine large section roadway supporting.
Description
Technical field
The invention belongs to colliery tunnel support technical fields, and in particular to a kind of high-pressure slip-casting and anchor pole integrated anchor
Bar and its application method.
Background technique
The main body energy of the coal as China, shared ratio is about 60% in the consumption of China's non-renewable energy, is being exploited
More to focus on the safety in production of underground while coal.Application relatively extensive, anchor pole of the suspension roof support in underground coal mine
Supporting can increase the stability of roadway surrounding rock, reduce the project amount to roadway maintenance.Currently, many mine in China is all
The deep mining stage is entered, at this point, mine pressure shows more acutely, and roof cracking is than more serious, High-geotemperature, high pressure rock
The complex environments such as molten water, so that the supporting in tunnel becomes more difficult.The big cross section of underground coal mine in the deep mining stage
Digging laneway, the deformation using tunnel when conventional anchor supporting is relatively serious, meanwhile, the cost of roadway support can also increase
Add.The speed that not only will affect headwork is repaired in expanding repeatedly for tunnel, can also be affected to the safety in production of coal mine.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of high-pressure slip-casting and the integrated anchor pole of anchor pole and its application method,
Well solved conventional anchor Support Deformation it is serious, it is at high cost and influence tunnelling work speed and safety.
To achieve the goals above, The technical solution adopted by the invention is as follows: including the horizontal positioned body of rod, the body of rod is in circle
Cylindricality and be hollow structure, the left and right ends of the body of rod are connected to, and outer circumference surface of the body of rod from left side to right side is provided with continuously
External screw thread, the body of rod is provided with slurry outlet, and the slurry outlet is through the body of rod and is connected to the inside of the body of rod, the right end of the body of rod
Be provided with Anchor Agent, the left end of the body of rod is provided with grouting bag, be equipped on the body of rod in the left side of grouting bag gasket, pallet and
Nut, gasket, pallet and nut are arranged successively from right to left；The pallet is in disk form, the middle part of pallet to the left protrusion and
Rounded, the internal screw thread of the nut and the external screw thread of the body of rod match；
The grouting bag includes the first hole sealing bag, the second hole sealing bag, connecting tube and pressure valve, the first hole sealing bag and the second envelope
Hole bag is in circular ring shape, and the first hole sealing bag is provided with import, and import is connect with the slurry outlet of body of rod left end, the first hole sealing bag and the
Connecting tube is set between two hole sealing bags, and pressure valve is set to the middle part of connecting tube.
The body of rod uses No. 42 high-strength seamless steel pipes.
The length of No. 42 high-strength seamless steel pipes is 1000mm, outer diameter 25mm, wall thickness 8mm.
It is heat-treated after No. 42 high-strength seamless steel pipe threadings.
The external screw thread is circle-arc screw-thread.
The slurry outlet setting is multiple, and equally stereo staggered is arranged from body of rod right end to body of rod left end.
The Anchor Agent is powder stick type Anchor Agent.
A kind of application method of high-pressure slip-casting and the integrated anchor pole of anchoring, is punched in back using drilling machine first,
Anchor Agent is fixed on the right end of the body of rod, then the body of rod is placed in the drilling accomplished fluently in advance, and utilizes drilling machine driven rod
Body rotation send Anchor Agent to foot of hole；After reaching anchoring strength to Anchor Agent, gasket matched with the body of rod, pallet are installed
And nut, and tightening nut, the left end of the body of rod are connected to high-pressure pump, high-pressure pump is connected to slurry can, there is slurries in slurry can, high
Press pump work injects slurries in the body of rod, slurries is constantly filled by injected hole in grouting bag, when the pressure valve of grouting bag
When reaching pressure limit, pressure valve is automatically opened, and flows out slurries, is carried out sealing of hole to drilling, is passed through into the intracorporal slurries of bar
The slurry outlet of the body of rod enters in drilling, and slurries with pressure are promptly filled into the broken segment of back.
The grouting pressure of the high-pressure pump is 7~8MPa.
Compared with prior art, the invention has the following advantages: the Anchor Agent of the right end of the body of rod of anchor pole can be consolidated
Fixed pole body, and the body of rod is fastened using external force tightening nut, slurries are delivered in the body of rod by high-pressure pump, cement with pressure
Slurries can be well into the breaking surrounding rock to back, so that roof rock broken segment is sufficiently reinforced, slip casting
Pouch plays the role of the sealing of hole to drilling, guarantees the realization of high-pressure slip-casting operation.The present invention realizes anchoring and high-pressure slip-casting work
The integration of work, simplifies construction technology, reduces costs, and ensure that the stability and reliability of back, improves coal
The working efficiency of large section roadway supporting and safety under mine.
Detailed description of the invention
Fig. 1 is overall schematic of the invention；
Fig. 2 is the partial enlarged view of Fig. 1.
In figure: 1, drilling；2, the body of rod；3, Anchor Agent；4, grouting bag；5, gasket；6, pallet；7, nut；8, connecting tube
Road；9, high-pressure pump；10, valve；11, slurry can；12, slurry outlet；41, the first hole sealing bag；42, the second hole sealing bag；43, it connects
Pipe；44, pressure valve；45, import.
Specific embodiment
As Figure 1-Figure 2, a kind of high-pressure slip-casting of the present invention and the integrated anchor pole of anchoring, including it is horizontal positioned
The body of rod 2, the body of rod 2 is cylindrical and is hollow structure, the left and right ends of the body of rod 2 are connected to, and the body of rod 2 is from left side to right side
Outer circumference surface is provided with continuous external screw thread, and the body of rod is provided with slurry outlet 12, and the slurry outlet 12 is through the body of rod 2 and and the body of rod
2 inside connection, the right end of the body of rod 2 are provided with powder stick type Anchor Agent 3, and the left end of the body of rod 2 is provided with grouting bag 4, slip casting
Gasket 5, pallet 6 and nut 7 are equipped on the body of rod in the left side of pouch 4, gasket 5, pallet 6 and nut 7 are successively arranged from right to left
Column；The pallet 6 is in disk form, the middle part of pallet 6 to the left protrusion and rounded, the internal screw thread and bar of the nut 7
The external screw thread of body 2 matches；
The grouting bag 4 includes 41 bags of the first sealing of hole, the second hole sealing bag 42, connecting tube 43 and pressure valve 44, the first sealing of hole
Bag 41 and the second hole sealing bag 42 are in circular ring shape, and the first hole sealing bag 41 is provided with import 45, the pulp of import 45 and 2 left end of the body of rod
Hole 12 connects, and connecting tube 43 is arranged between the first hole sealing bag 41 and the second hole sealing bag 42, and pressure valve 44 is set to connecting tube 43
Middle part.
The body of rod 2 uses No. 42 high-strength seamless steel pipes, and carries out heat after the steel pipe processing external screw thread
Processing, destressing, proof strength；The length of steel pipe is set as 1000mm, outer diameter 25mm, wall thickness 8mm.
The slurry outlet 12 be provided on the body of rod 2 it is multiple, and equally from 2 right end of the body of rod to 2 left end of the body of rod
Stereo staggered arrangement, and the last slurry outlet 12 in 2 left end of the body of rod is connected with the import 45 of the first hole sealing bag 41, it can be in slip casting
When be rapidly introduced into slurries in the crack of back, guarantee construction quality；
The external screw thread uses circle-arc screw-thread, and circle-arc screw-thread transmission efficiency is high, and stable drive accelerates construction efficiency.
The application method of above-mentioned a kind of high-pressure slip-casting and the integrated anchor pole of anchoring, uses drilling machine in back first
Punching, is fixed on Anchor Agent 3 right end of the body of rod 2, then the body of rod 2 is placed in the drilling 1 accomplished fluently in advance, and utilizes brill
Machine drives the rotation of the body of rod 2 to send Anchor Agent 3 to 1 bottom that drills；After reaching anchoring strength to Anchor Agent 3, installation is matched with the body of rod 2
The left end of gasket 5, pallet 6 and the nut 7 of set, and tightening nut 7, the body of rod 2 is connected to high-pressure pump 9, high pressure by connecting pipe 8
Pump 9 is connected to slurry can 11 by connecting pipe 8, and the connecting pipe 8 between high-pressure pump 9 and slurry can 11 is provided with valve 10,
There are slurries in slurry can 11, the work of high-pressure pump 9 injects slurries in the body of rod 2, and the grouting pressure of high-pressure pump 9 is 7~8MPa, slip casting
Pass through the constantly filling slurries of injected hole 12, when the pressure valve 44 of grouting bag 4 reaches pressure limit, pressure valve 44 in pouch 4
It automatically opens, flows out slurries, sealing of hole is carried out to drilling 1, entered into the slurries in the body of rod 2 by the slurry outlet 12 of the body of rod 2
It bores in 1 hole, slurries with pressure are promptly filled into the broken segment of back.
In short, the Anchor Agent 3 of the right end of the body of rod 2 of anchor pole of the present invention can be with fixed core 2, and utilize external force tightening nut
7 pairs of bodies of rod 2 fasten, and slurries are delivered in the body of rod 2 by high-pressure pump 9, cement grout with pressure can well into arrive lane
In the breaking surrounding rock of road top plate, so that roof rock broken segment is sufficiently reinforced, grouting bag 4 plays the envelope to drilling 1
Hole effect, guarantees the realization of high-pressure slip-casting operation.The present invention realizes the integration of anchoring and high-pressure slip-casting work, simplifies and applies
Work technique, reduces costs, and ensure that the stability and reliability of back, improves underground coal mine large section roadway supporting
Working efficiency and safety.
Claims (9)
1. a kind of high-pressure slip-casting and the integrated anchor pole of anchoring, it is characterised in that: including the horizontal positioned body of rod, the body of rod is in cylinder
Shape and be hollow structure, the left and right ends of the body of rod are connected to, and outer circumference surface of the body of rod from left side to right side is provided with continuously
External screw thread, the body of rod are provided with slurry outlet, and the slurry outlet is connected to through the body of rod and with the inside of the body of rod, and the right end of the body of rod is set
It is equipped with Anchor Agent, the left end of the body of rod is provided with grouting bag, gasket, pallet and spiral shell are equipped on the body of rod in the left side of grouting bag
Mother, gasket, pallet and nut are arranged successively from right to left；The pallet is in disk form, and the middle part of pallet is raised to the left and is in
Spheroidal, the internal screw thread of the nut and the external screw thread of the body of rod match；
The grouting bag includes the first hole sealing bag, the second hole sealing bag, connecting tube and pressure valve, the first hole sealing bag and the second envelope
Hole bag is in circular ring shape, and the first hole sealing bag is provided with import, and import is connect with the slurry outlet of body of rod left end, the first hole sealing bag and the
Connecting tube is set between two hole sealing bags, and pressure valve is set to the middle part of connecting tube.
2. a kind of high-pressure slip-casting according to claim 1 and the integrated anchor pole of anchoring, it is characterised in that: the body of rod
Using No. 42 high-strength seamless steel pipes.
3. a kind of high-pressure slip-casting according to claim 2 and the integrated anchor pole of anchoring, it is characterised in that: described No. 42
The length of high-strength seamless steel pipe is 1000mm, outer diameter 25mm, wall thickness 8mm.
4. a kind of high-pressure slip-casting according to claim 2 and the integrated anchor pole of anchoring, it is characterised in that: described No. 42
It is heat-treated after high-strength seamless steel pipe threading.
5. a kind of high-pressure slip-casting according to claim 1 and the integrated anchor pole of anchoring, it is characterised in that: the outer spiral shell
Line is circle-arc screw-thread.
6. a kind of high-pressure slip-casting according to claim 1 and the integrated anchor pole of anchoring, it is characterised in that: the pulp
Hole setting is multiple, and equally stereo staggered is arranged from body of rod right end to body of rod left end.
7. a kind of high-pressure slip-casting according to claim 1 and the integrated anchor pole of anchoring, it is characterised in that: the anchoring
Agent is powder stick type Anchor Agent.
8. a kind of above-mentioned high-pressure slip-casting and the application method for anchoring integrated anchor pole, it is characterised in that: pushed up first in tunnel
Plate is punched using drilling machine, Anchor Agent is fixed on the right end of the body of rod, then the body of rod is placed in the drilling accomplished fluently in advance, and
Body of rod rotation is driven to send Anchor Agent to foot of hole using drilling machine；After reaching anchoring strength to Anchor Agent, installation and the body of rod
The left end of matched gasket, pallet and nut, and tightening nut, the body of rod is connected to high-pressure pump by connecting pipe, and high-pressure pump is logical
It crosses connecting pipe and is connected to slurry can, there is slurries in slurry can, high pressure pump work injects slurries in the body of rod, leads in grouting bag
It crosses injected hole and constantly fills slurries, when the pressure valve of grouting bag reaches pressure limit, pressure valve is automatically opened, and makes slurry stream
Out, sealing of hole is carried out to drilling, is entered in drilling into the intracorporal slurries of bar by the slurry outlet of the body of rod, slurries with pressure are promptly
It is filled into the broken segment of back.
9. a kind of high-pressure slip-casting according to claim 8 and the integrated anchor pole of anchoring, it is characterised in that: the high pressure
The grouting pressure of pump is 7~8MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067065.0A CN109595019A (en) | 2019-01-24 | 2019-01-24 | A kind of high-pressure slip-casting and anchor integrated anchor pole and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067065.0A CN109595019A (en) | 2019-01-24 | 2019-01-24 | A kind of high-pressure slip-casting and anchor integrated anchor pole and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109595019A true CN109595019A (en) | 2019-04-09 |
Family
ID=65965323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910067065.0A Pending CN109595019A (en) | 2019-01-24 | 2019-01-24 | A kind of high-pressure slip-casting and anchor integrated anchor pole and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109595019A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111595376A (en) * | 2020-05-15 | 2020-08-28 | 中国矿业大学 | Intelligent digital detection system and method for roadway anchor rod and cable grouting parameters |
| CN112360501A (en) * | 2020-09-28 | 2021-02-12 | 中煤科工开采研究院有限公司 | Temporary support and drilling and grouting integrated anchor rod composite support system and construction method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203081397U (en) * | 2013-05-14 | 2013-07-24 | 平顶山市安泰华矿用安全设备制造有限公司 | Grouting bag type hole packer |
| CN203499712U (en) * | 2013-08-14 | 2014-03-26 | 于洋 | Novel anchor rod integrating hole sealing, grouting and anchoring |
| CN204002878U (en) * | 2014-05-28 | 2014-12-10 | 山西潞安集团司马煤业有限公司 | A kind of hollow grouting anchor bag type paste hole sealing device |
| CN105019856A (en) * | 2014-04-18 | 2015-11-04 | 河南中煤矿业科技发展有限公司 | Slip casting capsule hole packer |
| EP3314091A2 (en) * | 2015-06-23 | 2018-05-02 | NCM Innovations (pty) Ltd | Grout delivery system |
| CN108397219A (en) * | 2018-02-27 | 2018-08-14 | 山东科技大学 | Mining slip casting prestressed anchor and its application method |
-
2019
- 2019-01-24 CN CN201910067065.0A patent/CN109595019A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203081397U (en) * | 2013-05-14 | 2013-07-24 | 平顶山市安泰华矿用安全设备制造有限公司 | Grouting bag type hole packer |
| CN203499712U (en) * | 2013-08-14 | 2014-03-26 | 于洋 | Novel anchor rod integrating hole sealing, grouting and anchoring |
| CN105019856A (en) * | 2014-04-18 | 2015-11-04 | 河南中煤矿业科技发展有限公司 | Slip casting capsule hole packer |
| CN204002878U (en) * | 2014-05-28 | 2014-12-10 | 山西潞安集团司马煤业有限公司 | A kind of hollow grouting anchor bag type paste hole sealing device |
| EP3314091A2 (en) * | 2015-06-23 | 2018-05-02 | NCM Innovations (pty) Ltd | Grout delivery system |
| CN108397219A (en) * | 2018-02-27 | 2018-08-14 | 山东科技大学 | Mining slip casting prestressed anchor and its application method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111595376A (en) * | 2020-05-15 | 2020-08-28 | 中国矿业大学 | Intelligent digital detection system and method for roadway anchor rod and cable grouting parameters |
| CN112360501A (en) * | 2020-09-28 | 2021-02-12 | 中煤科工开采研究院有限公司 | Temporary support and drilling and grouting integrated anchor rod composite support system and construction method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20190409 |