CN106401625B - Anchor rod device and construction method are crept into a kind of achievable intersection anchoring - Google Patents
Anchor rod device and construction method are crept into a kind of achievable intersection anchoring Download PDFInfo
- Publication number
- CN106401625B CN106401625B CN201611071179.5A CN201611071179A CN106401625B CN 106401625 B CN106401625 B CN 106401625B CN 201611071179 A CN201611071179 A CN 201611071179A CN 106401625 B CN106401625 B CN 106401625B
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- anchoring
- rotating cylinder
- anchor
- hollow bolt
- achievable
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- 238000004873 anchoring Methods 0.000 title claims abstract description 37
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 238000005553 drilling Methods 0.000 claims abstract description 20
- 239000007787 solid Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000243 solution Substances 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
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
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
Anchor rod device and construction method are crept into the invention discloses a kind of achievable intersection anchoring, the anchor rod device that creeps into of achievable intersection of the invention anchoring includes drive link, pallet, hollow bolt, transmission gear, fixed link, bearing, anchor bit and expansion bit；Drive link is connect with the driving gear in hollow bolt；Pallet is mounted on the rear end of hollow bolt, and anchor bit is mounted on the front end of hollow bolt；Multiple expansion bits are equipped with by bearing on hollow bolt side wall；The side wall of the hollow bolt for creeping into anchor rod device of the achievable intersection anchoring of the present invention is equipped with multiple expansion bits, and expansion bit can realize in country rock internal drilling and intersect anchoring that anchoring quality is good, effectively reduces anchorage length, reduce support cost.
Description
Technical field
Anchor rod device and construction method are crept into the present invention relates to a kind of achievable intersection anchoring.
Background technology
With modern economy and science and technology continuous development, underground engineering construction particularly well lane engineering constantly to
Deep is developed.At the same time, roadway, chamber issue large deformation phenomenon in complex stress environment and are seen everywhere.To excavating tunnel, cave
Room, the rational supporting of tunnel surrounding progress are to prevent an important means of surrouding rock deformation.Existing supporting is with suspension roof support, cooperation
Anchor pole it is combined into support pattern have become a main support pattern of current well lane engineering and constructing tunnel.
The development experience of anchor pole is changed for several times, and steel body structural anchor bar has very high anti-shearing and tensile strength, applies
Work significant effect, compared with solid anchor pole, the design of the hollow bolt body of rod can obtain for advantages, the particularly hollow bolts such as cost is low
It obtains better rigidity and shearing strength is commonly used.But for hollow resin anchor pole, due to its complicated construction technology, no
But the suspension roof support time is extended, while also increases the security risk of construction worker；On the other hand, also in the prevalence of resin
Termination point of anchor rod anchorage point cannot be determined well after powder stick stirring, and expected anchoring effect is not achieved.Further, since anchor bolt construction
Environment is more severe, Anchor Agent and injection cement mortar be often subject to rich in various chemical composition undergrounds water and air corrosion and
Oxidation, causes anchor rod anchored intensity to substantially reduce；And Anchor Agent have certain mobility, during anchor pole is installed and
It is influenced also to will appear a degree of spilling by close region domain disturbance etc. after installing, grouted anchor bar is during slip casting
Common slip casting is not full.Due to the presence of these problems, supporting position will form the strain cracking of large area under long-term behavior
Phenomenon increases later maintenance cost.
Invention content
It can improve anchoring quality in order to solve the above technical problems, the present invention provides one kind, reduce anchorage length, reduce branch
Anchor rod device and construction method are crept into the achievable intersection anchoring of shield cost.
The present invention is achieved through the following technical solutions：A kind of achievable anchor rod device that creeps into for intersecting anchoring, packet
Include drive link, pallet, hollow bolt, transmission gear, fixed link, bearing, anchor bit and expansion bit；The drive link is stretched
Enter hollow bolt end to connect with the driving gear in hollow bolt；After the pallet is mounted on hollow bolt by nut
End, the anchor bit are mounted on the front end of hollow bolt；It is equipped on the hollow bolt side wall by bearing multiple
Expansion bit；The expansion bit includes drill bit and Multi-stage rotary cylinder, and the rotating cylinder outer surface is equipped with several guide holes
With several parallel crossheadings, the external tooth by guide hole is arranged at outer surface lower part, and inner surface is equipped with several guide grooves that concave, inner surface
Top is equipped with internal tooth；Adjacent two-stage rotating cylinder, the guide groove of higher level's rotating cylinder is interior to be equipped with guide post, and guide post is outer with subordinate's rotating cylinder
Guide hole connection on surface, the end of first order rotating cylinder are equipped with driven gear, and driven gear is engaged with driving gear, last
The rotating cylinder end of grade is equipped with drill bit.
Above-mentioned achievable intersection anchoring is crept into anchor rod device, and the guide groove is S-type, on adjacent rotating cylinder
The bending direction of guide groove is opposite.
Above-mentioned achievable intersection anchoring is crept into anchor rod device, and the upper end of the guide groove is equipped with card slot.
Creeping into anchor rod device for above-mentioned achievable intersection anchoring, is pacified on the hollow bolt side wall by bearing
Equipped with 3-4 expansion bit, expansion bit is evenly distributed in the circumferential direction；The driven gear is hollow-core construction, described
Driving gear is solid construction.
Above-mentioned achievable intersection anchoring is crept into anchor rod device, and the expansion bit includes three-level rotating cylinder, institute
The quantity of the guide groove on rotating cylinder, guide post, guide hole and crossheading stated is consistent.
A kind of construction method for creeping into anchor rod device of above-mentioned achievable intersection anchoring, includes the following steps：
1）All parts are assembled, then connect hollow bolt with drilling machine, start to drill in designated position；
2）Stop drilling when anchor pole is crept into regulation projected depth, detach drilling machine and anchor pole；
3）Driving gear in one end and hollow bolt of drive link is connected, after connecting, covers top tray and nut, Gu
The position of drive link is set, the other end of drive link is connect with drilling machine；
4）Start drilling machine, after expansion bit stretches out anchoring, stop drilling machine work；Tighten nut.
Compared with prior art, the beneficial effects of the present invention are：
What the 1st, achievable intersection of the invention anchored creeps into anchor rod device, passes through Telescopic rotary in hollow bolt end
Sleeve bit system is anchored, and solves Anchor Agent anchoring because Anchor Agent anchoring is strong caused by the factors such as water, dust, air
Spend the consequent effects reduced.
2nd, it is entity drive link knot inside the hollow bolt for creeping into anchor rod device of achievable intersection of the invention anchoring
Structure in supporting high stress country rock, can not dismantle drive link, and drive link is made to form a whole anchor pole knot with hollow bolt
Structure can efficiently control surrouding rock deformation, increase anchor rod anchored intensity.
3rd, achievable intersection of the invention anchoring creeps into that anchor rod device is simple in structure, and installation procedure simple possible carries
High working efficiency can improve worker's operating condition, and can thoroughly eliminate because installation Anchor Agent, the body of rod are inserted into powder stick, could not
Stir brokenly the de- and cured fastening invalidation problem of outsourcing.
4th, the side wall of the hollow bolt for creeping into anchor rod device of achievable intersection of the invention anchoring is equipped with multiple stretch
Contracting drill bit, expansion bit can realize in country rock internal drilling and intersect anchoring that anchoring quality is good, effectively reduces anchorage length, reduce
Support cost.
5th, the anchor rod device that creeps into of achievable intersection of the invention anchoring under specific circumstances can also be as detection periphery
Rock crusher degree uses.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structure chart after the expansion bit of the present invention stretches out.
Fig. 3 is the vertical view of the expansion bit of the present invention.
Fig. 4 is the sectional view of the expansion bit of the present invention.
Fig. 5 is the sectional view of the first order rotating cylinder of the expansion bit of the present invention.
Fig. 6 is the sectional view of the intergrade rotating cylinder of the expansion bit of the present invention.
Fig. 7 is sectional view at the II in Fig. 1.
In figure：1st, drive link, 2, fixing nut, 3, nut, 4, pallet, 5, hollow bolt, 6, driving gear, 7, fixed
Bar, 8, bearing, 9, anchor pole portion drill bit, 10, guide groove, 11, guide post, 12, guide hole, 13, card slot, 14, drill bit, 15, internal tooth, 16, outer
Tooth, 17, crossheading, 18, rotating cylinder, 81, driven gear.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in Figs. 1-2, it is the overall structure diagram of anchor rod device of the present invention, anchor pole of the present invention is by drive link 1, fixation
Nut 2, nut 3, pallet 4, hollow bolt 5, driving gear 6, fixed link 7, bearing 8, anchor bit 9 and three expansion bits.
The present invention is by external drilling machine by drive link 1 to transmit flexible power inside anchor pole.
The pallet 4 and fixing nut 2 are provided with round hole, make position of the drive link 1 by simultaneously fixed conveyor bar 1.It is described
Pallet 4 by nut 3 be mounted on hollow bolt 5 rear end, drive link 1 is made to stretch into hollow bolt 5, is connected with driving gear 6
It connects.The anchor bit 9 is mounted on the front end of hollow bolt 5, and described three expansion bits are mounted on hollow by bearing 8
On the side wall of anchor pole 5, three expansion bits are evenly distributed in the circumferential direction.
As in Figure 3-5, the expansion bit includes drill bit 14 and three-level rotating cylinder 18,18 appearance of rotating cylinder
Face is equipped with several guide holes 12 and several parallel crossheadings 17, and the external tooth 16 by guide hole is arranged at outer surface lower part.Inner surface is equipped with
Several guide grooves 10 that concave, the upper end of guide groove 10 are equipped with card slot 13, and the top of 18 inner surface of rotating cylinder is equipped with through card slot 13
Internal tooth 15.Adjacent two-stage rotating cylinder 18, the guide groove 10 of higher level's rotating cylinder is interior to be equipped with guide post 11, guide post 11 and subordinate's rotating cylinder
Guide hole 12 on outer surface connects, and the end of first order rotating cylinder is equipped with driven gear 81, and driven gear 81 is nibbled with driving gear 6
It closes, the rotating cylinder end of afterbody is equipped with drill bit 14.Guide groove 10, guide post 11, guide hole 12 on the rotating cylinder 18 and suitable
The quantity of slot 17 is consistent, and is even number.
When power rail 1 transfers power to driving gear 6, driving gear 6 rotates, and then rotating cylinder 18 is driven to rotate, the
Level-one rotating cylinder 18 drives second level rotating cylinder to move by the guide hole 12 of guide post 11 and second level rotating cylinder, and guide post 11 is along the
18 interior trough of level-one rotating cylinder rises to stuck at top card slot 13,18 inside internal tooth 15 and second of first order rotating cylinder at this time
External tooth 16 engages outside grade rotating cylinder, and two-stage rotating cylinder does Concentric rotation at this time.Similarly, second level rotating cylinder rotation drives third
The stretching of grade rotating cylinder.
As shown in fig. 6, being uniformly provided with 3 hollow driven gears 81 on hollow bolt side wall and 1 connect with drive link 1
Solid driving gear 6.When drive link 1 rotates, driving gear 6 rotates simultaneously 3 driven gears 6, stretch out expansion bit, reach
To anchorage effect.
Such as the vertical view of scalable bit system that Fig. 4 is the present invention, Telescopic rotary sleeve bit system is revolved by three-level
The socket of rotating cylinder 18 forms, and has sharp blade on pars contractilis drill bit 14 for anchoring of punchinging.
Work progress of the present invention is as follows：Before construction, all parts are assembled, first by middle spare anchor in work progress
Bar 5 couples with drilling machine, starts to drill in designated position；Stop drilling when anchor pole is crept into regulation projected depth, detach at this time
One end of drive link 1 is connect by drilling machine and anchor pole with hollow bolt end driving gear 6, after connecting, set top tray 4, nut
3 and fixing nut 2 fix the position of drive link 1, the other end of drive link 1 is connect with drilling machine.Treat that expansion bit stretches out
After anchoring, stop drilling machine work.Drive link 1 is removed this moment, tightens nut 3.Complete anchoring work；Also drive link 1 can not be removed,
Nut 3 and fixing nut 2 are tightened, completes anchoring work.
Claims (6)
1. anchor rod device is crept into a kind of achievable intersection anchoring, it is characterized in that：Including drive link, pallet, hollow bolt, biography
Moving gear, fixed link, bearing, anchor bit and expansion bit；The drive link is stretched into hollow bolt end and hollow bolt
Driving gear connection；The pallet is mounted on the rear end of hollow bolt by nut, during the anchor bit is mounted on
The front end of spare anchor bar；Multiple expansion bits are equipped with by bearing on the hollow bolt side wall；The expansion bit packet
Include drill bit and Multi-stage rotary cylinder, the rotating cylinder outer surface is equipped with several guide holes and several parallel crossheadings, under outer surface
There is the external tooth by guide hole in portion, and inner surface is equipped with several guide grooves that concave, and the top of inner surface is equipped with internal tooth；Adjacent two-stage rotation
Rotating cylinder, is equipped with guide post in the guide groove of higher level's rotating cylinder, and guide post is connect with the guide hole on the outer surface of subordinate rotating cylinder, and the first order is revolved
The end of rotating cylinder is equipped with driven gear, and driven gear is engaged with driving gear, and the rotating cylinder end of afterbody is equipped with drill bit.
2. anchor rod device is crept into achievable intersection anchoring according to claim 1, it is characterized in that：The guide groove is in
S types, the bending direction of the guide groove on adjacent rotating cylinder are opposite.
3. anchor rod device is crept into achievable intersection anchoring according to claim 1, it is characterized in that：The guide groove
Upper end is equipped with card slot.
4. anchor rod device is crept into achievable intersection anchoring according to claim 1, it is characterized in that：The middle spare anchor
3-4 expansion bit is equipped with by bearing on bar side wall, expansion bit is evenly distributed in the circumferential direction；The driven gear
For hollow-core construction, the driving gear is solid construction.
5. anchor rod device is crept into achievable intersection anchoring according to claim 1, it is characterized in that：The expansion bit
Including three-level rotating cylinder, the guide groove, guide post, guide hole on the rotating cylinder are consistent with the quantity of crossheading.
6. a kind of construction for creeping into anchor rod device of the achievable intersection anchoring in claim 1-5 described in any claim
Method includes the following steps：
All parts are assembled, then connect hollow bolt with drilling machine, start to drill in designated position；
Stop drilling when anchor pole is crept into regulation projected depth, detach drilling machine and anchor pole；
Driving gear in one end and hollow bolt of drive link is connected, after connecting, top tray and nut is covered, fixes biography
The other end of drive link is connect by the position of lever with drilling machine；
Start drilling machine, after expansion bit stretches out anchoring, stop drilling machine work；Tighten nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611071179.5A CN106401625B (en) | 2016-11-29 | 2016-11-29 | Anchor rod device and construction method are crept into a kind of achievable intersection anchoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611071179.5A CN106401625B (en) | 2016-11-29 | 2016-11-29 | Anchor rod device and construction method are crept into a kind of achievable intersection anchoring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106401625A CN106401625A (en) | 2017-02-15 |
| CN106401625B true CN106401625B (en) | 2018-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611071179.5A Active CN106401625B (en) | 2016-11-29 | 2016-11-29 | Anchor rod device and construction method are crept into a kind of achievable intersection anchoring |
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| Country | Link |
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| CN (1) | CN106401625B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107174362B (en) * | 2017-07-08 | 2020-11-27 | 孙杜斌 | Lifting reamer in maxillary sinus of dental implant |
| CN111472688B (en) * | 2020-04-17 | 2021-06-22 | 青岛理工大学 | Self-drilling type pipe column supporting device and method thereof |
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|---|---|---|---|---|
| CN202851028U (en) * | 2012-09-04 | 2013-04-03 | 高原 | Self-drilling and outside-pourable hollow resin anchored bolt |
| CN103615272A (en) * | 2013-11-07 | 2014-03-05 | 山东交通学院 | Hollow anchor rod with rebar framework and construction method of hollow anchor rod |
| CN204299597U (en) * | 2014-11-13 | 2015-04-29 | 罗宗帆 | The self-expanding anchor pole of rotation |
| CN204511479U (en) * | 2015-01-15 | 2015-07-29 | 山东科技大学 | The impervious frictional resistance anchor pole of a kind of novel self-advancing type |
| CN105350994A (en) * | 2015-10-28 | 2016-02-24 | 天地科技股份有限公司 | Grouting anchor and using method thereof |
| CN206205916U (en) * | 2016-11-29 | 2017-05-31 | 湖南科技大学 | A kind of achievable crept into anchor rod device for intersecting anchoring |
-
2016
- 2016-11-29 CN CN201611071179.5A patent/CN106401625B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202851028U (en) * | 2012-09-04 | 2013-04-03 | 高原 | Self-drilling and outside-pourable hollow resin anchored bolt |
| CN103615272A (en) * | 2013-11-07 | 2014-03-05 | 山东交通学院 | Hollow anchor rod with rebar framework and construction method of hollow anchor rod |
| CN204299597U (en) * | 2014-11-13 | 2015-04-29 | 罗宗帆 | The self-expanding anchor pole of rotation |
| CN204511479U (en) * | 2015-01-15 | 2015-07-29 | 山东科技大学 | The impervious frictional resistance anchor pole of a kind of novel self-advancing type |
| CN105350994A (en) * | 2015-10-28 | 2016-02-24 | 天地科技股份有限公司 | Grouting anchor and using method thereof |
| CN206205916U (en) * | 2016-11-29 | 2017-05-31 | 湖南科技大学 | A kind of achievable crept into anchor rod device for intersecting anchoring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106401625A (en) | 2017-02-15 |
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