CN204729111U - A kind of assembled bolt - Google Patents
A kind of assembled bolt Download PDFInfo
- Publication number
- CN204729111U CN204729111U CN201520303174.5U CN201520303174U CN204729111U CN 204729111 U CN204729111 U CN 204729111U CN 201520303174 U CN201520303174 U CN 201520303174U CN 204729111 U CN204729111 U CN 204729111U
- Authority
- CN
- China
- Prior art keywords
- metal
- combined sleeve
- anchor metal
- explosive roll
- resin explosive
- 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.)
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- 239000002184 metal Substances 0.000 claims abstract description 67
- 239000002360 explosive Substances 0.000 claims abstract description 37
- 239000011347 resin Substances 0.000 claims abstract description 37
- 229920005989 resin Polymers 0.000 claims abstract description 37
- 230000000694 effects Effects 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- 239000007769 metal material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 3
- 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
- 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
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 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
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a kind of assembled bolt, comprise anchor metal, locking nut and metal tray, anchor metal is round steel sticking failure, its one end is provided with screw-socket, coordinate with locking nut, metal tray is mobilizable to be enclosed within anchor metal, also comprise combined sleeve, resin explosive roll and plug, one end of 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 combined sleeve arranges plug, this plug, combined sleeve and anchor metal end surround an enclosure space, 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 anchor metal.Anchor metal is connected with resin explosive roll by the utility model, not only reduces the operation of support process, improves efficiency, and well protect resin explosive roll, avoid resin explosive roll loss and by squeeze crack, cause unnecessary waste and loss.
Description
Technical field
The utility model relates to bolt support technology field, particularly relates 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.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of assembled bolt, it is made to improve the automaticity of bolt support, and there is the advantages such as support process is simple, easy construction, solve that existing smooth bar sticking failure operation is miscellaneous, the problem of inefficiency.
For solving the problems of the technologies described above, the utility model 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.
Improve as one of the present utility model, 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 utility model at least has the following advantages:
1, anchor metal and resin explosive roll are linked into an integrated entity by combined sleeve by the utility model assembled bolt; 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. the utility model assembled bolt 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 solutions of the utility model, and in order to better understand technological means of the present utility model, below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail.
Fig. 1 is the structural representation of the utility model assembled bolt embodiment one;
Fig. 2 is the structural representation of the utility model assembled bolt embodiment two;
Fig. 3 is the utility model assembled bolt embodiment one supporting effect figure;
Fig. 4 is the utility model assembled bolt embodiment two supporting effect figure.
Detailed description of the invention
Embodiment one: with reference to shown in accompanying drawing 1, the utility model assembled bolt, 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, the utility model assembled bolt 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 utility model 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 the utility model assembled bolt, 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.
The utility model assembled bolt 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 utility model; not do any pro forma restriction to the utility model, 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 domain of the present utility model.
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 |
---|---|---|---|
CN201520303174.5U CN204729111U (en) | 2015-05-12 | 2015-05-12 | A kind of assembled bolt |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520303174.5U CN204729111U (en) | 2015-05-12 | 2015-05-12 | A kind of assembled bolt |
Publications (1)
Publication Number | Publication Date |
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CN204729111U true CN204729111U (en) | 2015-10-28 |
Family
ID=54387470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201520303174.5U Active CN204729111U (en) | 2015-05-12 | 2015-05-12 | A kind of assembled bolt |
Country Status (1)
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CN (1) | CN204729111U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104806279A (en) * | 2015-05-12 | 2015-07-29 | 蒲长晏 | Combined anchor rod |
CN106907168A (en) * | 2017-03-20 | 2017-06-30 | 化工部长沙设计研究院 | Slit-tube mortar length combined bolt support structure and its construction method |
-
2015
- 2015-05-12 CN CN201520303174.5U patent/CN204729111U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104806279A (en) * | 2015-05-12 | 2015-07-29 | 蒲长晏 | Combined anchor rod |
CN106907168A (en) * | 2017-03-20 | 2017-06-30 | 化工部长沙设计研究院 | Slit-tube mortar length combined bolt support structure and its construction method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240122 Address after: 065000 Dachang Chaobaihe Industrial Zone, Langfang City, Hebei Province Patentee after: Hebei Jinglong Intelligent Equipment Co.,Ltd. Country or region after: China Address before: 065000 Dachang Chaobaihe Industrial Zone, Langfang City, Hebei Province Patentee before: Pu Changyan Country or region before: China |
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TR01 | Transfer of patent right |