CN104806279A - Combined anchor rod - Google Patents
Combined anchor rod Download PDFInfo
- Publication number
- CN104806279A CN104806279A CN201510238834.0A CN201510238834A CN104806279A CN 104806279 A CN104806279 A CN 104806279A CN 201510238834 A CN201510238834 A CN 201510238834A CN 104806279 A CN104806279 A CN 104806279A
- Authority
- CN
- China
- Prior art keywords
- metal
- anchor rod
- combined sleeve
- combined
- anchor
- 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
- 239000002184 metal Substances 0.000 claims abstract description 69
- 239000011347 resin Substances 0.000 claims abstract description 37
- 229920005989 resin Polymers 0.000 claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- 239000002360 explosive Substances 0.000 claims description 31
- 230000000694 effects Effects 0.000 claims description 9
- 239000007769 metal material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 238000005336 cracking Methods 0.000 abstract 1
- 230000008093 supporting effect Effects 0.000 description 14
- 229910052755 nonmetal Inorganic materials 0.000 description 10
- 239000000843 powder Substances 0.000 description 9
- 239000003245 coal Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 239000011435 rock Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002023 wood 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 discloses a combined anchor rod. The combined anchor rod comprises a metal anchor rod, a locking nut and a metal tray, wherein the metal anchor rod is a round-steel adhesive anchor rod, a screw opening is formed in one end of the metal anchor rod, the metal anchor rod is matched with the locking nut, the metal tray movably sleeves the metal anchor rod, and the combined anchor rod also comprises a combined sleeve, a resin cartridge and an end enclosure, one end of the combined sleeve is connected to one end, away from the screw opening, of the metal anchor rod, the end part of the combined sleeve is provided with a convex flange extending outwards or fixedly connected with the metal tray to form a convex flange, the other end of the combined sleeve is provided with the end enclosure, the end enclosure, the combined sleeve and the end part of the metal anchor rod are encircled to form a closed space, the resin cartridge is arranged in the closed space, the end enclosure and the resin cartridge can be pushed by the metal anchor rod out of the combined sleeve. The metal anchor rod is connected with the resin cartridge to form a whole body, so that not only can the procedures of a support process be reduced and is the efficiency improved, but also the resin cartridge is well protected, the loss and cracking of the resin cartridge can be avoided, and the unnecessary waste and loss can be avoided.
Description
Technical field
The present invention relates to bolt support technology field, particularly relate to a kind of assembled bolt.
Background technology
Along with the rapid growth of China's economic, coal consumption amount continues to increase.About there are 1.25 ten thousand collieries, place nearly in current China, wherein about 1000, the big-and-middle-sized colliery of more than 1,000,000 tons, more than ten million ton super-huge Modern Pit about 53, and building more than 20, ten million ton of mine, high yield and high efficiency mine about 500 is built together in the whole nation.The mining work activities of these coal mine down-hole tunnels all can cause surrouding rock stress to concentrate and redistribution, tunnel-surrounding rock mass self-stable ability significantly being reduced, causes moving to lane space, for preventing surrouding rock deformation and destruction, must carry out supporting to country rock.Also need to carry out supporting operation, to ensure the personal safety normally carrying out and ensure construction worker of construction works in construction working faces such as subway tunnel, road surface highway, railway tunnel, metal mines equally.
The support pattern in current tunnel has: wood support, stone material and concrete build arch, steel lining, bolt support, concrete spraying support, shotcrete combined supporting.Wherein bolt support is the supporting means of colliery routine.
Bolt support anchor pole used can be divided into: smooth bar sticking failure, the anchor pole that can stretch, high strength, superhigh intensity anchor pole, pipe-seam type anchor rod, can cut anchor pole and recoverable anchor rod.And smooth bar sticking failure applies anchor pole the most general in the above anchor pole.
When using smooth bar sticking failure supporting, supporting workman needs to beat bolthole in advance, then resin explosive roll is put in the bolthole beaten in advance, then powder stick to be pushed into bottom bolthole with anchor pole and powder stick to be broken thus reaches the effect of anchoring, i.e. end anchorage.This kind of anchorage style inefficiency, workman's work operation is many, constrains the raising of support efficiency.Along with the day by day maturation of colliery digging equipment development, support efficiency does not catch up with digging efficiency, causes a pick imbalance, constrains the growth of coal production.How to found the new assembled bolt that a kind of structure is simple, support efficiency is high, to improve support efficiency, and then promote coal production growth, become the new problem of insider's research.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of assembled bolt, makes it improve the automaticity of bolt support, and has the advantages such as support process is simple, easy construction, solves that existing smooth bar sticking failure operation is miscellaneous, the problem of inefficiency.
For solving the problems of the technologies described above, the invention provides a kind of assembled bolt, comprise anchor metal, locking nut and metal tray, described anchor metal is round steel sticking failure, its one end is provided with screw-socket, coordinate with locking nut, described metal tray is mobilizable to be enclosed within anchor metal, also comprise combined sleeve, resin explosive roll and plug, one end of described combined sleeve is socketed in anchor metal one end away from screw-socket, and its end arranges outward extending convex edge or is fixedly connected to form convex edge with metal tray, the other end of described combined sleeve arranges described plug, described plug, the end of combined sleeve and anchor metal surrounds an enclosure space, described resin explosive roll is placed in this enclosure space, under the effect of external force, plug and resin explosive roll can be released combined sleeve by described anchor metal.
As a modification of the present invention, described combined sleeve is non-metallic material.
Further improvement, described combined sleeve is metal material.
Further improvement, the contact position of described resin explosive roll and anchor metal end is provided with rubber mount, and this rubber mount can be inner level and smooth mobile at combined sleeve.
After adopting technique scheme, the present invention at least has the following advantages:
1, anchor metal and resin explosive roll are linked into an integrated entity by combined sleeve by assembled bolt of the present invention; not only reduce the operation of support process; save the time; improve efficiency; and well protect resin explosive roll; avoid that resin explosive roll is easily lost when independent transport, squeeze crack or broken by coal breakage or rock debris inside tunnel, cause unnecessary waste and loss.
2, because anchor pole and powder stick are one, anchor pole and powder stick do not need separately transport, thus have saved cost of transportation.
3. assembled bolt of the present invention also possesses the advantages such as support process is simple, anchor pole is effective, easy construction.
Accompanying drawing explanation
Above-mentioned is only the general introduction of technical solution of the present invention, and in order to better understand technological means of the present invention, below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail.
Fig. 1 is the structural representation of assembled bolt embodiment one of the present invention;
Fig. 2 is the structural representation of assembled bolt embodiment two of the present invention;
Fig. 3 is assembled bolt embodiment one supporting effect figure of the present invention;
Fig. 4 is assembled bolt embodiment two supporting effect figure of the present invention.
Detailed description of the invention
Embodiment one: with reference to shown in accompanying drawing 1, assembled bolt of the present invention, comprises anchor metal 1, locking nut 2, metal tray 3, combined sleeve, resin explosive roll 5 and plug 6.Wherein, anchor metal 1 is round steel sticking failure, and its one end is provided with screw-socket, coordinates with locking nut 2, and one end of its other end and combined sleeve overlaps; Metal tray 3 is mobilizable to be enclosed within anchor metal 1.In the present embodiment, combined sleeve adopts non-metallic material, as adopted plastic sleeve made of plastic.One end of this nonmetal combined sleeve 8 is socketed in anchor metal 1 one end away from screw-socket, and its end is provided with outward extending convex edge 9, and the diameter of this convex edge 9 should be greater than the bolthole diameter needing bolt support.The other end of this nonmetal combined sleeve 8 arranges plug 6, and namely the end of plug 6, nonmetal combined sleeve 8 and anchor metal 1 surrounds an enclosure space; Resin explosive roll 5 is placed in this enclosure space.Under the effect of external force, plug 6 and resin explosive roll 5 can be released combined sleeve by anchor metal 1; When transporting or carry, plug 6 can prevent resin explosive roll 5 from coming off from combined sleeve.
According to the structure of combinations thereof anchor pole, with reference to shown in accompanying drawing 3, assembled bolt of the present invention is when supporting operation is carried out in coal seam 10, in recognizing with one end of assembled bolt band plug, the bolthole that centering is accomplished fluently in advance, assembled bolt advances under external force in bolthole, when the convex edge 9 of nonmetal combined sleeve 8 arrives anchor pole aperture, diameter due to this convex edge 9 is greater than the diameter of bolthole, can rest on outside bolthole, namely nonmetal combined sleeve 8 can be driven slack, under external force, anchor metal 1 continues to advance in bolthole, the thrust that resin explosive roll 5 transmits anchor metal 1 makes plug 6 come off from nonmetal combined sleeve 8, resin explosive roll 5 is along with anchor metal 1 continuation propelling is until bottom bolthole, and then under the thrust of anchor metal 1, mixing of materials in resin explosive roll 5, break, its resin explosive roll mixture 11 is distributed in the end perimeter of anchor metal 1, play the effect of end anchorage, last metal tray 3 is located at the outside of convex edge 9, apply pretightning force to metal tray 3 with locking nut 2, locking anchor metal 1, namely the supporting operation of an anchor pole is completed.
The present invention also arranges rubber mount 7 at resin explosive roll 5 and the contact position of anchor metal 1 end, this rubber mount 7 can be inner level and smooth mobile at nonmetal combined sleeve 8, mainly play cushioning effect, avoid this assembled bolt in transportation or supporting time progradation in anchor metal 1 rack resin explosive roll 5 in advance, good anchoring effect can not be played.
In addition, the internal diameter of nonmetal combined sleeve 8 can be determined according to the diameter of anchor metal 1 and resin explosive roll 5, and the internal diameter of the nonmetal combined sleeve 8 at socket resin explosive roll 5 place should be more than or equal to the internal diameter of the nonmetal combined sleeve 8 at socket anchor metal 1 place.
Embodiment two: with reference to shown in accompanying drawing 2, the present embodiment and embodiment one difference are: its combined sleeve adopts metal material.Preferable alloy combined sleeve 4 directly can weld together with metal tray 3, and namely metal tray 3 forms the convex edge of metallic combination sleeve 4.All the other structures are all identical with embodiment one, repeat no more.
With reference to shown in accompanying drawing 4, the assembled bolt of this embodiment is when supporting operation is carried out in coal seam 10, when metal tray 3 arrives anchor pole aperture, because metal tray 3 is larger than the bolthole aperture beaten in advance, metal tray 3 can rest on outside bolthole, the metallic combination sleeve 4 be fixedly connected with metal tray 3 also can be slack in the lump with metal tray 3, and now metallic combination sleeve 4 all enters in bolthole; Then under external force, anchor metal 1 continues to advance in bolthole, the thrust that resin explosive roll 5 transmits anchor metal 1 makes plug 6 come off from metallic combination sleeve 4, resin explosive roll 5 is along with anchor metal 1 continuation propelling is until bottom bolthole, and then under the thrust of anchor metal 1, mixing of materials in resin explosive roll 5, to break, its resin explosive roll mixture 11 is distributed in the end perimeter of anchor metal 1, play the effect of end anchorage, finally apply pretightning force to metal tray 3 with locking nut 2, locking anchor metal 1, namely completes the supporting operation of anchor pole.
Anchor metal and resin explosive roll are linked into an integrated entity by combined sleeve by assembled bolt of the present invention, the operation of installing powder stick is eliminated on the one hand when supporting operation, save the time of installing powder stick, shorten the overall time of support anchor rod, and then improve support efficiency, improve the automaticity of bolt support; On the other hand in transportation; because resin explosive roll is arranged in combined sleeve; combined sleeve well protects resin explosive roll, avoid separately transport powder stick time be easily lost, squeeze crack or broken by coal breakage or rock debris inside tunnel, cause unnecessary waste and loss.
In addition, because anchor pole and powder stick are one, anchor pole and powder stick do not need separately transport, thus have saved cost of transportation.
Assembled bolt of the present invention also possesses the advantages such as support process is simple, anchor pole is effective, easy construction.
The above; it is only preferred embodiment of the present invention; not do any pro forma restriction to the present invention, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection scope of the present invention.
Claims (4)
1. an assembled bolt, comprise anchor metal, locking nut and metal tray, described anchor metal is round steel sticking failure, its one end is provided with screw-socket, coordinate with locking nut, described metal tray is mobilizable to be enclosed within anchor metal, it is characterized in that, also comprise combined sleeve, resin explosive roll and plug, one end of described combined sleeve is socketed in anchor metal one end away from screw-socket, and its end arranges outward extending convex edge or is fixedly connected to form convex edge with metal tray, the other end of described combined sleeve arranges described plug, described plug, the end of combined sleeve and anchor metal surrounds an enclosure space, described resin explosive roll is placed in this enclosure space, under the effect of external force, plug and resin explosive roll can be released combined sleeve by described anchor metal.
2. assembled bolt according to claim 1, is characterized in that, described combined sleeve is non-metallic material.
3. assembled bolt according to claim 1, is characterized in that, described combined sleeve is metal material.
4. the assembled bolt according to Claims 2 or 3, is characterized in that, the contact position of described resin explosive roll and anchor metal end is provided with rubber mount, and this rubber mount can be inner level and smooth mobile at combined sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510238834.0A CN104806279A (en) | 2015-05-12 | 2015-05-12 | Combined anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510238834.0A CN104806279A (en) | 2015-05-12 | 2015-05-12 | Combined anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104806279A true CN104806279A (en) | 2015-07-29 |
Family
ID=53691431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510238834.0A Pending CN104806279A (en) | 2015-05-12 | 2015-05-12 | Combined anchor rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104806279A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840221A (en) * | 2016-05-14 | 2016-08-10 | 中铁二院工程集团有限责任公司 | Rotating-type sticking type hollow anchor rod capable of achieving rapid anchoring installation |
| CN110258563A (en) * | 2019-07-15 | 2019-09-20 | 中冶天工集团有限公司 | A kind of pinpoint device of foot-operated drill rod drilling pile point, production method and application method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2600717A1 (en) * | 1986-06-24 | 1987-12-31 | Ars Forges Boulonneries | Extensible supporting bolt, supporting method, use of the bolt |
| US5073064A (en) * | 1990-04-27 | 1991-12-17 | Birmingham Bolt Company | Method and apparatus for retorquing an installed mine roof bolt |
| CN101250876A (en) * | 2008-04-07 | 2008-08-27 | 中铁十三局集团第四工程有限公司 | Method for installation of medicine volume anchor bar anchorage agent |
| CN201672888U (en) * | 2010-05-31 | 2010-12-15 | 申圳 | Mine loading vessel |
| CN102865088A (en) * | 2012-09-12 | 2013-01-09 | 山东科技大学 | Tension and compression coupling type high-strength and high-deformation anchor rod and method for using same |
| CN204729111U (en) * | 2015-05-12 | 2015-10-28 | 蒲长晏 | A kind of assembled bolt |
-
2015
- 2015-05-12 CN CN201510238834.0A patent/CN104806279A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2600717A1 (en) * | 1986-06-24 | 1987-12-31 | Ars Forges Boulonneries | Extensible supporting bolt, supporting method, use of the bolt |
| US5073064A (en) * | 1990-04-27 | 1991-12-17 | Birmingham Bolt Company | Method and apparatus for retorquing an installed mine roof bolt |
| CN101250876A (en) * | 2008-04-07 | 2008-08-27 | 中铁十三局集团第四工程有限公司 | Method for installation of medicine volume anchor bar anchorage agent |
| CN201672888U (en) * | 2010-05-31 | 2010-12-15 | 申圳 | Mine loading vessel |
| CN102865088A (en) * | 2012-09-12 | 2013-01-09 | 山东科技大学 | Tension and compression coupling type high-strength and high-deformation anchor rod and method for using same |
| CN204729111U (en) * | 2015-05-12 | 2015-10-28 | 蒲长晏 | A kind of assembled bolt |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840221A (en) * | 2016-05-14 | 2016-08-10 | 中铁二院工程集团有限责任公司 | Rotating-type sticking type hollow anchor rod capable of achieving rapid anchoring installation |
| CN110258563A (en) * | 2019-07-15 | 2019-09-20 | 中冶天工集团有限公司 | A kind of pinpoint device of foot-operated drill rod drilling pile point, production method and application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150729 |
|
| RJ01 | Rejection of invention patent application after publication |