CN104695993A - Coal mine underground borehole anchoring reinforcement device - Google Patents
Coal mine underground borehole anchoring reinforcement device Download PDFInfo
- Publication number
- CN104695993A CN104695993A CN201410843106.8A CN201410843106A CN104695993A CN 104695993 A CN104695993 A CN 104695993A CN 201410843106 A CN201410843106 A CN 201410843106A CN 104695993 A CN104695993 A CN 104695993A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- anchoring
- hole
- baffle ring
- coal mine
- 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
- 238000004873 anchoring Methods 0.000 title claims abstract description 30
- 239000003245 coal Substances 0.000 title claims abstract description 16
- 230000002787 reinforcement Effects 0.000 title abstract 8
- 238000003756 stirring Methods 0.000 claims abstract description 24
- 230000003014 reinforcing effect Effects 0.000 claims description 25
- 238000005553 drilling Methods 0.000 claims description 20
- 239000000843 powder Substances 0.000 claims description 11
- 239000004744 fabric Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 11
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 description 3
- 238000003325 tomography Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance 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
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 relates to a coal mine underground borehole anchoring reinforcement device and belongs to the technical field of mine support and monitoring. With the adoption of the device, the diameter of an anchoring end is effectively increased, so that an anchoring cable, a hole wall and an anchoring agent are matched with one another, the anchoring force is increased, and the anchoring effect is enhanced. The device comprises a plurality of reinforcement cylinders, a plurality of stirring rods and a plurality of stopping rings, wherein the anchoring cable is sleeved with the plurality of reinforcement cylinders and the plurality of stopping rings, the reinforcement cylinders are arranged on outer sides of the stopping rings, the plurality of stirring rods are arranged at the front part of the reinforcement cylinder located in the first place, tips are arranged at front parts of the stirring rods, a plurality of first fixing holes and a charging hole are formed in the wall of each reinforcement cylinder, each reinforcement cylinder is fixed on the anchoring cable by the aid of first bolts arranged in the first fixing holes, a plurality of second fixing holes are formed in the side wall of each stopping ring, and each stopping ring is fixed on the anchoring cable by the aid of second bolts arranged in the second fixing holes.
Description
Technical field
The invention belongs to mine support and monitoring technical field, relate to a kind of coal mine down-hole drilling anchoring intensifying device.
Background technology
Anchor cable has the advantages that anchorage depth is large, anchoring strength is high, anchoring effect is stable, is widely used in the rock stratum stability control aspect in colliery.The appearance of tomography controls to bring immeasurable difficulty to rock stratum stability in colliery: the production not only affecting each roadway layout and work plane continues, and the activity of tomography will make the rock mass of fault plane periphery because of the mutual changing of the relative positions, extruding and put aside energy, bring huge hidden danger to mine motive force disasters such as bump, coal and gas prominent, ore deposit shakes.Distance between tomography and rib is not fixed, and the longest distance can reach more than 15m.Under normal circumstances, the work that drills through of anchor cable hole has come with jumbolter, and the diameter that supporting drilling rod commonly used by jumbolter has 22mm and 19mm two kinds of specifications, and the boring adopting jumbolter to drill through can match with anchor cable, Anchor Agent, makes anchored force reach requirement.But jumbolter drill through limited length, when required drillable length is more than 12m, the intensity of drilling rod just cannot meet the demands, so at present underground coal mine length more than 12m hole drill through need of work employing pneumatic drilling machine or hydraulic drill rig has come, and the diameter of pneumatic drilling machine or the supporting drilling rod of hydraulic drill rig is all not less than 42mm.Engineering practice shows: the boring of getting with pneumatic drilling machine or hydraulic drill rig, due to the increasing gradually of run of steel, foremost can disalignment and cause " reaming effect " slightly in drilling rod rotary course, whole bore dia generally reaches 48mm ~ 50mm, even if mix the mining anchoring agent of diameter 42mm, the requirement of anchored force that the Mine anchorage cable of employing present stage is also difficult to and whole bore dia matches, meets.
Summary of the invention
For prior art Problems existing, the invention provides a kind of coal mine down-hole drilling anchoring intensifying device, this intensifying device effectively increases anchored end diameter, makes anchor cable, matches between drill hole wall and Anchor Agent three, improves anchored force, strengthens anchoring effect.
To achieve these goals, the present invention adopts following technical scheme: a kind of coal mine down-hole drilling anchoring intensifying device, comprise several and reinforce cylinder, stirring rod and several baffle rings composition, several reinforce cylinder and several baffle rings are all enclosed within anchor cable, reinforce the outside that cylinder is arranged on baffle ring, the front portion being positioned at the first reinforcing cylinder is provided with several stirring rod, the front portion of stirring rod has tip, the barrel reinforcing cylinder is provided with several first fixing holes and powder charge hole, reinforcing cylinder is bolted on anchor cable by being arranged on first in the first fixing hole, the sidewall of baffle ring is provided with several the second fixing holes, baffle ring is bolted on anchor cable by being arranged on second in the second fixing hole.
Described first fixing hole is divided into two component cloth, often organizes number and is at least three, and be uniformly distributed along the barrel reinforcing cylinder.
The number of described second fixing hole is at least three, and is uniformly distributed along the sidewall of baffle ring.
The number in described powder charge hole is at least four, and is uniformly distributed along the barrel reinforcing cylinder.
Described reinforcing cylinder and reinforce between cylinder, between baffle ring and baffle ring, reinforce and all there is spacing between cylinder and baffle ring.
Beneficial effect of the present invention:
At arbitrary diameter Mine anchorage cable when carrying out fault activity observation, the present invention effectively increases anchored end diameter, makes better to mate between anchor cable, drill hole wall with Anchor Agent three, improves anchored force, strengthens anchoring effect; Apparatus of the present invention structure is simple, and easy to use, processing cost is low, and anchored force strengthens successful, obvious for mature fault, and the colliery that there is dynamic disaster hidden danger has general applicability.
Accompanying drawing explanation
Fig. 1 is coal mine down-hole drilling anchoring intensifying device of the present invention structural representation in a state of use;
Fig. 2 is the structural representation of the reinforcing cylinder of coal mine down-hole drilling anchoring intensifying device of the present invention;
Fig. 3 is the A-A sectional drawing of Fig. 2;
Fig. 4 is the B-B sectional drawing of Fig. 2;
Fig. 5 is the structural representation after reinforcing cylinder of the present invention is connected with stirring rod;
Fig. 6 is the structural representation of baffle ring of the present invention;
Fig. 7 is the side cutaway view of Fig. 6;
In figure, 1-reinforce cylinder, 2-stirring rod, 3-baffle ring, 4-anchor cable, the 5-the first fixing hole, 6-powder charge hole, the 7-the second fixing hole.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Fig. 1 ~ Fig. 7, a kind of coal mine down-hole drilling anchoring intensifying device, comprise stirring rod 2, six to reinforce cylinder 1 and four baffle rings 3 and form, the length of each reinforcing cylinder 1 is 80mm, internal diameter is 25mm, external diameter is 42mm, and the length of each baffle ring 3 is 12mm, internal diameter is 25mm, external diameter is 47mm; Six reinforcing cylinders 1 and four baffle rings 3 are all enclosed within anchor cable 4, reinforce the outside that cylinder 1 is arranged on baffle ring 3, the front portion being positioned at the first reinforcing cylinder 1 is provided with two stirring rod 2, the diameter of stirring rod 2 is 17mm, length is 30mm, the front portion of stirring rod 2 has the tip that length is 5mm, most advanced and sophisticated for scratching the crust of Anchor Agent, be conducive to the abundant stirring of Anchor Agent; The barrel reinforcing cylinder 1 is provided with several first fixing holes 5 and powder charge hole 6, and powder charge hole 6 reinforces cylinder 1 inside for making the Anchor Agent of reinforcing cylinder 1 outside flow into, and the diameter of the first fixing hole 5 is 8mm, and the diameter in powder charge hole 6 is 12mm; Reinforcing cylinder 1 is that first of 8mm is bolted on anchor cable 4 by the diameter be arranged in the first fixing hole 5, after fixing, is removed by the head of the first bolt by angle grinding machine or hacksaw; The sidewall of baffle ring 3 is provided with several second fixing holes 7, the diameter of the second fixing hole 7 is 8mm, baffle ring 3 is that second of 8mm is bolted on anchor cable 4 by the diameter be arranged in the second fixing hole 7, after fixing, is removed by the head of the second bolt by angle grinding machine or hacksaw.
Described first fixing hole 5 is divided into two component cloth, and often organizing number is three, and is uniformly distributed along reinforcing the barrel of cylinder 1, and often organizes the first fixing hole 5 and adjacent face distance that place reinforces cylinder 1 is 10mm.
Described powder charge hole 6 is arranged on the centre position reinforcing cylinder 1 barrel.
The number of described second fixing hole 7 is three, is arranged on the centre position of baffle ring 3 sidewall, and is uniformly distributed along the sidewall of baffle ring 3.
The number in described powder charge hole 6 is four, and is uniformly distributed along the barrel reinforcing cylinder 1.
Described reinforcing cylinder 1 and reinforce between cylinder 1, between baffle ring 3 and baffle ring 3, reinforce between cylinder 1 and baffle ring 3 and all there is spacing, and the spacing of adjacent reinforcing cylinder 1 is 74mm, the spacing of adjacent baffle ring 3 is 117mm.
Below in conjunction with accompanying drawing, a use procedure of the present invention is described:
As shown in Fig. 1 ~ Fig. 7, first prepare anchor cable 4 according to the predetermined depth of boring, make the length of anchor cable 4 be greater than drilling depth 1m ~ 1.2m, intensifying device of the present invention is arranged on the anchored end of anchor cable 4, drill according to presupposed solution, after boring arranges, then be 42mm by 3 ~ 4 diameters, length is the mining anchoring agent of 300mm pushes boring successively slowly, evenly bottom (pvc pipe is scratched by the not only sliding surface in boring for preventing Anchor Agent in propelling movement process) by pvc pipe, make between these 3 ~ 4 Anchor Agents end to end, gently after tamping, extract pvc pipe out, the anchor cable 4 installing intensifying device is sent in boring, when the tip of stirring rod 2 contacts with nearest Anchor Agent, stops conveying anchor cable 4, the outer end of anchor cable 4 is connected with air driven pump, open air driven pump, the anchor cable 4 being provided with intensifying device starts High Rotation Speed, continue slowly in boring, to push anchor cable 4 simultaneously, Anchor Agent crust is stirred rod 2 and scratches one by one, Anchor Agent starts mixing, stir, finally when the tip of stirring rod 2 arrives foot of hole, anchor cable 4 is outwards slowly extracted 0.8m, again anchor cable 4 is slowly pushed to foot of hole, after reaching 100 seconds circulation timei like this, and Anchor Agent is fully mixed, stir: part mixing, Anchor Agent after stirring and drill hole inner wall and anchor cable 4, reinforce cylinder 1, the external surface of stirring rod 2 directly contacts, through the chemical time of 120s ~ 180s, Anchor Agent reaches the strongest solidification effect, make to install between the anchor cable 4 of intensifying device and boring and reach the strongest anchoring effect, part mixing, stir after Anchor Agent by reinforce cylinder 1 powder charge hole 6, flow in the gap that reinforces between cylinder 1 and anchor cable 4, Anchor Agent is fully contacted with anchor cable 4, fastening effect between strengthen cylinder 1 and anchor cable 4, remaining Anchor Agent is kept off in anchor cable 4 anchored end by baffle ring 3, strengthens anchoring effect further while preventing Anchor Agent from wasting,
Anchor Agent fully mixes, stir after, now anchor cable 4 rests on foot of hole, waits for time of more than 120s; Then pallet and lockset are arranged on bottom anchor cable 4, carry out drawing experiment, after the pulling capacity of anchor cable 4 meets the demands, the monitoring devices such as mineral pressure table are installed and carry out subsequent monitoring operation.
Claims (5)
1. a coal mine down-hole drilling anchoring intensifying device, it is characterized in that comprising several reinforces cylinder, stirring rod and several baffle rings composition, several reinforce cylinder and several baffle rings are all enclosed within anchor cable, reinforce the outside that cylinder is arranged on baffle ring, the front portion being positioned at the first reinforcing cylinder is provided with several stirring rod, the front portion of stirring rod has tip, the barrel reinforcing cylinder is provided with several first fixing holes and powder charge hole, reinforcing cylinder is bolted on anchor cable by being arranged on first in the first fixing hole, the sidewall of baffle ring is provided with several the second fixing holes, baffle ring is bolted on anchor cable by being arranged on second in the second fixing hole.
2. coal mine down-hole drilling anchoring intensifying device according to claim 1, is characterized in that described first fixing hole is divided into two component cloth, often organizes number and is at least three, and be uniformly distributed along the barrel reinforcing cylinder.
3. coal mine down-hole drilling anchoring intensifying device according to claim 1, is characterized in that the number of described second fixing hole is at least three, and is uniformly distributed along the sidewall of baffle ring.
4. coal mine down-hole drilling anchoring intensifying device according to claim 1, is characterized in that the number in described powder charge hole is at least four, and is uniformly distributed along the barrel reinforcing cylinder.
5. coal mine down-hole drilling anchoring intensifying device according to claim 1, is characterized in that described reinforcing cylinder and reinforces between cylinder, between baffle ring and baffle ring, reinforces and all have spacing between cylinder and baffle ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410843106.8A CN104695993A (en) | 2014-12-30 | 2014-12-30 | Coal mine underground borehole anchoring reinforcement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410843106.8A CN104695993A (en) | 2014-12-30 | 2014-12-30 | Coal mine underground borehole anchoring reinforcement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104695993A true CN104695993A (en) | 2015-06-10 |
Family
ID=53343493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410843106.8A Pending CN104695993A (en) | 2014-12-30 | 2014-12-30 | Coal mine underground borehole anchoring reinforcement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104695993A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653781A (en) * | 2018-12-11 | 2019-04-19 | 河南理工大学 | Resin anchoring agent broken bag agitating device and its broken bag stirring means |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4160615A (en) * | 1978-03-23 | 1979-07-10 | The International Nickel Company, Inc. | Cable rock anchor |
| CN2542830Y (en) * | 2002-04-16 | 2003-04-02 | 济南澳科矿山工程技术有限公司 | Mine anchorage cable |
| CN2723682Y (en) * | 2004-08-03 | 2005-09-07 | 神华集团有限责任公司 | Anchor rope support device |
| CN201835846U (en) * | 2010-08-25 | 2011-05-18 | 山西潞安环保能源开发股份有限公司常村煤矿 | Nest type anchor cable |
| CN202338351U (en) * | 2011-11-30 | 2012-07-18 | 中国神华能源股份有限公司 | Anchor cable structure and anchor device provided with same |
| CN103061790A (en) * | 2013-01-23 | 2013-04-24 | 中国矿业大学 | Prestressed full-anchor squeezed anchoring device and method thereof |
| CN204002874U (en) * | 2014-03-06 | 2014-12-10 | 贵州盘江精煤股份有限公司 | A kind of for improving the device of anchorage cable anchoring under coal mine |
-
2014
- 2014-12-30 CN CN201410843106.8A patent/CN104695993A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4160615A (en) * | 1978-03-23 | 1979-07-10 | The International Nickel Company, Inc. | Cable rock anchor |
| CN2542830Y (en) * | 2002-04-16 | 2003-04-02 | 济南澳科矿山工程技术有限公司 | Mine anchorage cable |
| CN2723682Y (en) * | 2004-08-03 | 2005-09-07 | 神华集团有限责任公司 | Anchor rope support device |
| CN201835846U (en) * | 2010-08-25 | 2011-05-18 | 山西潞安环保能源开发股份有限公司常村煤矿 | Nest type anchor cable |
| CN202338351U (en) * | 2011-11-30 | 2012-07-18 | 中国神华能源股份有限公司 | Anchor cable structure and anchor device provided with same |
| CN103061790A (en) * | 2013-01-23 | 2013-04-24 | 中国矿业大学 | Prestressed full-anchor squeezed anchoring device and method thereof |
| CN204002874U (en) * | 2014-03-06 | 2014-12-10 | 贵州盘江精煤股份有限公司 | A kind of for improving the device of anchorage cable anchoring under coal mine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653781A (en) * | 2018-12-11 | 2019-04-19 | 河南理工大学 | Resin anchoring agent broken bag agitating device and its broken bag stirring means |
| CN109653781B (en) * | 2018-12-11 | 2024-04-16 | 河南理工大学 | Resin anchoring agent bag breaking and stirring device and bag breaking and stirring method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103670420B (en) | Tunneling boring shaft drilling machine | |
| CN103758552B (en) | Hole-expanding anchor rod and construction process thereof | |
| Liu et al. | Key technologies of drilling process with raise boring method | |
| CN103899319B (en) | Pick anchor continuous and automatic fast digging technique | |
| CN104632174A (en) | Coal seam liquid carbon dioxide fracturing device and method | |
| CN203626843U (en) | Heading machine suitable for drilling shaft with pilot shaft | |
| CN103850684A (en) | Sinking technology for expanding pilot well drilled by raise-boring machine, by using vertical well heading machine | |
| CN103924977A (en) | Center-pillared full-face shaft drilling machine | |
| CN103850685A (en) | Heading machine applicable to drill vertical well through pioneer well | |
| CN107401408B (en) | Multidirectional splitting device | |
| CN204419145U (en) | Coal seam liquid carbon dioxide fracturing device | |
| CN104763368A (en) | Orifice seal device for large-diameter downhole hammer and reverse circulation construction technology for orifice seal device | |
| CN112096382B (en) | Advanced grouting reinforcement method for narrow coal pillars of gob-side roadway | |
| CN103670401B (en) | A kind of drum shearer that can two-wayly creep into of certainly walking | |
| CN108167018A (en) | For the continuous filling piping system and its method for arranging of big ore deposit section stage open stope mining with stowing | |
| CN103643952B (en) | A kind of brill formula coal-winning machine that can two-way creep into of certainly walking | |
| CN104343383B (en) | A kind of drilling equipment for earthen ruins | |
| CN203742602U (en) | Central stand column full-section vertical shaft drilling machine | |
| CN103362449B (en) | A kind of retraction type long stroke hydraulic power pressurizer | |
| CN104695993A (en) | Coal mine underground borehole anchoring reinforcement device | |
| WO2017128572A1 (en) | Use of prestressed steel strand in multi-angle drilling and coring process | |
| CN203847001U (en) | Small-bore hard rock broaching device | |
| CN203603910U (en) | Full-face vertical shaft drill | |
| CN102587943B (en) | Method for quickly mounting capsule resin on separation area of top plate | |
| CN105804747B (en) | A kind of ultra-thin coal seam waterpower bores the mining method that pops |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150610 |