CN107916948A - A kind of coal mine support anchor rod component - Google Patents
A kind of coal mine support anchor rod component Download PDFInfo
- Publication number
- CN107916948A CN107916948A CN201810059522.7A CN201810059522A CN107916948A CN 107916948 A CN107916948 A CN 107916948A CN 201810059522 A CN201810059522 A CN 201810059522A CN 107916948 A CN107916948 A CN 107916948A
- Authority
- CN
- China
- Prior art keywords
- anchor
- section
- anchor pole
- anchor sleeve
- pole
- 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.)
- Granted
Links
- 239000003245 coal Substances 0.000 title claims abstract description 25
- 239000007787 solid Substances 0.000 claims abstract description 20
- 238000004873 anchoring Methods 0.000 claims abstract description 14
- 239000002002 slurry Substances 0.000 claims abstract description 10
- 239000004568 cement Substances 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000007569 slipcasting Methods 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
- E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
- E21D21/0033—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts having a jacket or outer tube
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 coal mine support anchor rod component, anchor sleeve includes anchor sleeve section one, anchor sleeve section two and the anchor sleeve section three being wholely set, in anchor sleeve section one multiple axial pass troughs are offered along its axis direction, in anchor sleeve section two multiple radial circumference grooves are offered along its radial direction, bolt body that anchor pole includes being wholely set, card section in solid section and anchor pole in anchor pole, the inner of bolt body connects card section in anchor pole using solid section in anchor pole is stated, and solid section is provided with extension bar groove along its axis direction in anchor pole.Groove in anchor sleeve section one and anchor sleeve section two of the present invention can be very good to fill curing slurry, improve the anchoring stability of anchor sleeve, ensure its radial direction and the anchor force of longitudinal direction, at the same time, the inner of anchor pole is provided with anchor pole card section in section admittedly and anchor pole, can be further ensured that the stability of anchor pole, prevents it from being loosened after anchoring, structure of the present invention is reliable, can effectively strengthen the security of coal mine support.
Description
Technical field
The present invention relates to a kind of coal mine support anchor rod component, belong to timbering technology in coal mine field.
Background technology
At present, in coal mining, generally require and supporting is carried out using anchor pole.Anchor pole is roadway support among contemporary colliery
Most basic part, the surrounding rock consolidation in tunnel together, is made country rock itself supporting itself by him.Present anchor pole is not only used
In mine, it is also used in engineering technology, side slope, tunnel, dam body carries out main body reinforcing.Anchor pole is as the tension structure for going deep into stratum
Part, its one end are connected with engineering structure, and the other end gos deep into stratum, and whole anchor pole is divided into free segment and anchoring section, free segment
Refer to the region that the pulling force at anchor pole head is reached to anchoring body, its function is to apply prestressing force to anchor pole.Current anchor pole includes
It is several below：
(1) wood bolt.The wood bolt that China uses has two kinds, i.e., common wood bolt and compression wood bolt.
(2) reinforcing bar or arope creep bar.Anchor pole and the binding agent of country rock are used as using cement mortar.
(3) reverse wedge formula anchor metal.This anchor pole was once one of the most widely used anchor pole form.Since it is processed
Simply, it is easy for installation, there is certain anchor force, therefore this anchor pole is also using within the specific limits.
(4) pipe-seam type anchor rod.A kind of total length friction anchoring formula anchor pole, this anchor pole have installation is simple, anchoring is reliable,
The features such as anchor force increases with Surrounding Rock Movement when just anchor-hold is big, long.
(5) resin anchor.It is higher as the binding agent of anchor pole, cost by the use of resin.
(6) fast hard expanding cement anchor pole.Additive is added using Portland cement or portland slag cement to form,
There is rapid hardening, early strong, diminishing, expansion.
(7) double-quick cement anchor pole.It is mixed in a certain ratio and is formed by finished product high-early (strength) cement and double-quick cement.With fast
The characteristics of hard fast solidifying, early strong.
Any of the above anchor pole respectively has advantage and disadvantage in coal mine support, and still, although any of the above anchor pole compares in anchoring
Simply, still, anchor force is smaller, and anchorage reliability is difficult to be guaranteed, and especially for occasions such as soft rocks, is easy to after anchoring
There is loose phenomenon, it is difficult to realize good anchoring effect.
The present invention improves the anchoring effect of coal mine support in view of the above problems, provide a kind of coal mine support anchor rod component
And reliability.
The content of the invention
To achieve the above object, the present invention provides following technical solution：A kind of coal mine support anchor rod component, it includes outer
Fastening assembly, anchor sleeve and anchor pole, the anchor sleeve are stretched into anchor hole, and the anchor sleeve is arranged in the anchor sleeve, described
External fastening element is anchored on the outer end of the anchor pole, it is characterised in that the anchor sleeve includes anchor sleeve section one, the anchor being wholely set
Rod set section two and anchor sleeve section three, wherein, the spaced connection of anchor sleeve Duan Yiyu anchor sleeves section two is set, the anchor pole
Set section three is arranged on the inner terminal of anchor sleeve, and multiple axial pass troughs are offered along its axis direction in the anchor sleeve section one,
In the anchor sleeve section two multiple radial circumference grooves, the cylindric knots of the anchor sleeve Duan Sanwei are offered along its radial direction
Structure, bolt body that the anchor pole includes being wholely set, card section in solid section and anchor pole in anchor pole, the inner of the bolt body is adopted
Connected with solid section in the anchor pole and block section in the anchor pole, solid section is provided with extension bar along its axis direction in the anchor pole
Groove, the end of card section is in the axial direction to the openend of extension on the outside of radial direction in the anchor pole.
Further, preferably, the openend is the small pyramidal structure in inner big outer end.
Further, preferably, the anchor sleeve Duan Yiwei symmetrical structures, the outer circumference surface of the anchor sleeve section one is interior
Recessed arcuate structure, and each axial pass trough array on the circumference of the anchor sleeve section one is set.
Further, preferably, solid section includes arc Extendible flake, connecting flange, bar seam, clamping shoulder in the anchor pole, its
In, solid section is connected to described bolt body the inner, the excircle of the connecting flange using the connecting flange in the anchor pole
On the arc Extendible flake of spread configuration is extended along the axis direction of bolt body, the end of the arc Extendible flake is set
Clamping shoulder is equipped with, structure is stitched equipped with bar between adjacent two arc Extendible flakes, is cured slurry and is filled in the bar seam, the clamping
Shoulder is set with being connected clamp clamping, and the connection clamp is connected to card section in the anchor pole.
Further, preferably, the connection clamp includes the connecting cylinder section, extension bar section and clamping section being wholely set,
One end of the connecting cylinder section is connected to card section in the anchor pole, and array is set the other end of the connecting cylinder section in a circumferential direction
The extension bar section extended along its center axis is equipped with, clamping section is provided between the extension bar section, it is described to connect
It is fixed in the clamping section.
Further, preferably, the outer fastening assembly include supporter, clamp nut seat, it is outer auxiliary stop nut and
Shoulder is operated, wherein, the supporter is fixed on the end face of the clamp nut seat, the clamp nut seat and the anchor
External screw thread thread fitting in bar body, the outside of the clamp nut seat are additionally provided with what is be threadedly coupled with the bolt body
Outer auxiliary stop nut, is additionally provided with operation shoulder on the clamp nut seat, to tighten operation to the clamp nut seat.
Further, preferably, the outside on the anchor hole positioned at anchor sleeve is provided with slurry seal set.
Further, preferably, together with the anchor sleeve is set in the anchor pole using threaded connection.
Compared with prior art, the beneficial effects of the invention are as follows：
The anchor rod component of the present invention is arranged to anchor sleeve section one, anchor sleeve section two and anchor by setting anchor sleeve, and by anchor sleeve
Rod set section three, the groove in anchor sleeve section one and anchor sleeve section two can be very good to fill curing slurry, improve the anchoring of anchor sleeve
Stability, ensures its radial direction and the anchor force of longitudinal direction, meanwhile, the inner of anchor pole is provided with anchor pole blocks in solid section and anchor pole
Section, may further ensure that the stability of anchor pole, prevent it from being loosened after anchoring, structure of the present invention is reliable, can effectively increase
The security of strong coal mine support.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of coal mine support anchor rod component of the present invention；
Fig. 2 is a kind of partial enlargement structural representation of coal mine support anchor rod component of the present invention；
Fig. 3 is a kind of structure diagram of the anchor sleeve section one of coal mine support anchor rod component of the present invention；
Fig. 4 is solid segment structure schematic diagram in a kind of anchor pole of coal mine support anchor rod component of the present invention；
Fig. 5 is a kind of connection card header structure schematic diagram of coal mine support anchor rod component of the present invention；
Wherein, 1 slurry, is cured, 2, anchor sleeve section one, 3, anchor sleeve section two, 4, anchor sleeve section three, 5, solid section in anchor pole, 50, arc
Extendible flake, 51, connecting flange, 52, bar seam, 53, clamping shoulder, 6, card section in anchor pole, 7, slurry seal set, 8, supporter, 9, fastening spiral shell
Female seat, 10, outer auxiliary stop nut, 11, bolt body, 12, operation shoulder, 13, radial circumference groove, 14, axial pass trough, 15, arc
Shape face, 16, connection clamp, 160, connecting cylinder section, 161, extension bar section, 162, clamping section.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
- 5 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of coal mine support anchor rod component, it includes outer tight
Gu component, anchor sleeve and anchor pole, the anchor sleeve is stretched into anchor hole, and the anchor sleeve is arranged in the anchor sleeve, described outer
Fastener is anchored on the outer end of the anchor pole, it is characterised in that the anchor sleeve includes anchor sleeve section 1, the anchor being wholely set
Rod set section 23 and anchor sleeve section 34, wherein, the anchor sleeve section 1 is set with the spaced connection of anchor sleeve section 23, described
Anchor sleeve section 34 is arranged on the inner terminal of anchor sleeve, and multiple axial directions are offered along its axis direction in the anchor sleeve section 1
Straight slot 14, offers multiple radial circumference grooves 13, the anchor sleeve section 34 in the anchor sleeve section 23 along its radial direction
For cylinder-like structure, card section 6, the anchor in solid section 5 and anchor pole in bolt body 11 that the anchor pole includes being wholely set, anchor pole
The inner of bar body 11 connects card section 6 in the anchor pole using section 5 is consolidated in the anchor pole, consolidates section 5 in the anchor pole along its axis
Line direction is provided with extension bar groove, and the end of card section 6 is in the axial direction to extension on the outside of radial direction in the anchor pole
Openend.
In the present embodiment, as shown in Figure 1, the openend is the small pyramidal structure in inner big outer end.
Wherein, as shown in figure 3, the anchor sleeve Duan Yiwei symmetrical structures, the outer circumference surface of the anchor sleeve section one is interior
Recessed arcuate structure, and each axial pass trough 14 array on the circumference of the anchor sleeve section one is set.
In the present embodiment, such as Fig. 4, in the anchor pole solid section 5 include arc Extendible flake 50, connecting flange 51, bar seam 52,
Shoulder 53 is clamped, wherein, solid section 5 is connected to described bolt body the inner, the company using the connecting flange 51 in the anchor pole
The arc Extendible flake 50 of spread configuration is extended on the excircle of acting flange 51 along the axis direction of bolt body, it is described
The end set of arc Extendible flake, which has, is clamped shoulder 53, and structure is equipped with bar seam 52 between adjacent two arc Extendible flakes, cures slurry and fills out
Fill in bar seam, the clamping shoulder is set with being connected clamp clamping, and the connection clamp is connected to card section in the anchor pole.
As shown in figure 5, the connection clamp 16 includes the connecting cylinder section 160, extension bar section 161 and clamping section being wholely set
162, one end of the connecting cylinder section 160 is connected to card section in the anchor pole, and the other end of the connecting cylinder section 160 is in circumference side
Upward array is provided with the extension bar section 161 extended along its center axis, and card is provided between the extension bar section 161
Section 162 is connect, described connect is fixed in the clamping section.
Such as Fig. 1, the outer fastening assembly includes supporter 8, clamp nut seat 9, outer auxiliary stop nut 10 and operation shoulder
12, wherein, the supporter 8 is fixed on the end face of the clamp nut seat 9, the clamp nut seat 9 and the anchor
External screw thread thread fitting in bar body 11, the outside of the clamp nut seat 9 is additionally provided with to be connected with the bolt body screw thread
The outer auxiliary stop nut connect, is additionally provided with operation shoulder on the clamp nut seat 9, so as to twisting to the clamp nut seat 9
Tight operation.
Wherein, in order to ensure to cure the slip casting convenience starched, the outside that anchor sleeve is located on the anchor hole is provided with envelope
Slurry set 7.In order to ensure stable connection, together with the anchor sleeve is set in the anchor pole using threaded connection.
The anchor rod component of the present invention is arranged to anchor sleeve section one, anchor sleeve section two by setting anchor sleeve, and by anchor sleeve
With anchor sleeve section three, the groove in anchor sleeve section one and anchor sleeve section two can be very good to fill curing slurry, improve anchor sleeve
Stability is anchored, ensures its radial direction and the anchor force of longitudinal direction, meanwhile, the inner of anchor pole is provided with anchor pole in solid section and anchor pole
Card section, may further ensure that the stability of anchor pole, prevent it from being loosened after anchoring, structure of the present invention is reliable, can be effective
Strengthen the security of coal mine support.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of coal mine support anchor rod component, it includes outer fastening assembly, anchor sleeve and anchor pole, and the anchor sleeve stretches into anchoring
In hole, the anchor sleeve is arranged in the anchor sleeve, and the external fastening element is anchored on the outer end of the anchor pole, it is characterised in that
The anchor sleeve includes anchor sleeve section one, anchor sleeve section two and the anchor sleeve section three being wholely set, wherein, the anchor sleeve section one
Set with the spaced connection of anchor sleeve section two, the anchor sleeve section three is arranged on the inner terminal of anchor sleeve, the anchor sleeve section
Multiple axial pass troughs are offered along its axis direction on one, are offered in the anchor sleeve section two along its radial direction multiple
Radial circumference groove, the anchor sleeve Duan Sanwei cylinder-like structures are bolt body that the anchor pole includes being wholely set, solid in anchor pole
Card section in section and anchor pole, the inner of the bolt body connect card section in the anchor pole, the anchor using solid section in the anchor pole
Solid section is provided with extension bar groove along its axis direction in bar, and the end of card section is in the axial direction to radially in the anchor pole
The openend of extension on the outside of direction.
A kind of 2. coal mine support anchor rod component according to claim 1, it is characterised in that：The openend is inner big
The small pyramidal structure in outer end.
A kind of 3. coal mine support anchor rod component according to claim 1, it is characterised in that：Duan Yiwei pairs of the anchor sleeve
Claim structure, the outer circumference surface of the anchor sleeve section one is the arcuate structure of indent, and each axial pass trough is in the anchor pole
Array on the circumference of section one is covered to set.
A kind of 4. coal mine support anchor rod component according to claim 1, it is characterised in that：Solid section includes in the anchor pole
Arc Extendible flake, connecting flange, bar seam, clamping shoulder, wherein, solid section is connected to described using the connecting flange in the anchor pole
Bolt body is inner, and spread configuration is extended along the axis direction of bolt body on the excircle of the connecting flange
Arc Extendible flake, the end set of the arc Extendible flake have a clamping shoulder, and structure is equipped with bar between adjacent two arc Extendible flakes
Seam, cures slurry and is filled in the bar seam, and the clamping shoulder is set with being connected clamp clamping, and the connection clamp is connected to described
Card section in anchor pole.
A kind of 5. coal mine support anchor rod component according to claim 4, it is characterised in that：The connection clamp includes one
Connecting cylinder section, extension bar section and the clamping section that body is set, one end of the connecting cylinder section is connected to card section in the anchor pole, described
Array is provided with the extension bar section extended along its center axis to the other end of connecting cylinder section in a circumferential direction, described to prolong
Stretch and clamping section is provided between bar section, described connect is fixed in the clamping section.
A kind of 6. coal mine support anchor rod component according to claim 4, it is characterised in that：The outer fastening assembly includes
Supporter, clamp nut seat, outer auxiliary stop nut and operation shoulder, wherein, the supporter is fixed at the fastening spiral shell
On the end face of female seat, the clamp nut seat and the external screw thread thread fitting in the bolt body, the clamp nut seat
Outside is additionally provided with the outer auxiliary stop nut being threadedly coupled with the bolt body, and behaviour is additionally provided with the clamp nut seat
Make shoulder, to tighten operation to the clamp nut seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059522.7A CN107916948B (en) | 2018-01-22 | 2018-01-22 | Anchor rod assembly for coal mine support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059522.7A CN107916948B (en) | 2018-01-22 | 2018-01-22 | Anchor rod assembly for coal mine support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107916948A true CN107916948A (en) | 2018-04-17 |
| CN107916948B CN107916948B (en) | 2020-07-31 |
Family
ID=61891415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810059522.7A Active CN107916948B (en) | 2018-01-22 | 2018-01-22 | Anchor rod assembly for coal mine support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107916948B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184763A (en) * | 2018-11-12 | 2019-01-11 | 华北科技学院 | Coal mine compound roof support device |
| CN112627871A (en) * | 2020-12-24 | 2021-04-09 | 上海应用技术大学 | Telescopic automatic pressure relief type anchor rod |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1888327A (en) * | 2006-07-24 | 2007-01-03 | 吴德兴 | Anti-corrosion rockbolt with sack body |
| CN104847389A (en) * | 2015-05-13 | 2015-08-19 | 河南理工大学 | Barrel type hollow grouting anchor rod and using method |
| CN105781598A (en) * | 2016-03-15 | 2016-07-20 | 中国矿业大学(北京) | Extensible anchor rod |
| CN105863699A (en) * | 2016-05-25 | 2016-08-17 | 贵州大学 | Grouting reinforcing large-deformation anchor bolt and method using grouting reinforcing large-deformation anchor bolt to reinforce rock body |
| CN106759326A (en) * | 2016-12-14 | 2017-05-31 | 重庆大学 | A kind of Stress Control multistage opening type anchor pole and anchoring construction method |
-
2018
- 2018-01-22 CN CN201810059522.7A patent/CN107916948B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1888327A (en) * | 2006-07-24 | 2007-01-03 | 吴德兴 | Anti-corrosion rockbolt with sack body |
| CN104847389A (en) * | 2015-05-13 | 2015-08-19 | 河南理工大学 | Barrel type hollow grouting anchor rod and using method |
| CN105781598A (en) * | 2016-03-15 | 2016-07-20 | 中国矿业大学(北京) | Extensible anchor rod |
| CN105863699A (en) * | 2016-05-25 | 2016-08-17 | 贵州大学 | Grouting reinforcing large-deformation anchor bolt and method using grouting reinforcing large-deformation anchor bolt to reinforce rock body |
| CN106759326A (en) * | 2016-12-14 | 2017-05-31 | 重庆大学 | A kind of Stress Control multistage opening type anchor pole and anchoring construction method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184763A (en) * | 2018-11-12 | 2019-01-11 | 华北科技学院 | Coal mine compound roof support device |
| CN109184763B (en) * | 2018-11-12 | 2020-02-18 | 华北科技学院 | Coal mine composite roof supporting device |
| CN112627871A (en) * | 2020-12-24 | 2021-04-09 | 上海应用技术大学 | Telescopic automatic pressure relief type anchor rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107916948B (en) | 2020-07-31 |
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