CN107893674A - A kind of drilling hollow grouting anchor pole certainly suitable for rock mass large scale structural system - Google Patents
A kind of drilling hollow grouting anchor pole certainly suitable for rock mass large scale structural system Download PDFInfo
- Publication number
- CN107893674A CN107893674A CN201711296947.1A CN201711296947A CN107893674A CN 107893674 A CN107893674 A CN 107893674A CN 201711296947 A CN201711296947 A CN 201711296947A CN 107893674 A CN107893674 A CN 107893674A
- Authority
- CN
- China
- Prior art keywords
- hollow
- drill bit
- anchor pole
- power transmission
- transmission shaft
- 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
- 238000005553 drilling Methods 0.000 title claims abstract description 29
- 239000011435 rock Substances 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims description 7
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 244000273618 Sphenoclea zeylanica Species 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004873 anchoring Methods 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000006467 substitution reaction 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
-
- 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
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of drilling hollow grouting anchor pole certainly suitable for rock mass large scale structural system, including hollow lever, hollow drill bit, power transmission shaft, curved blade, slagging channel, one-way turning mechanism, spiralling wide screw thread, connector, nut, backing plate, stop grouting plug, the parts such as pawl-and-gearing, the hollow lever outer surface sets screw thread at regular intervals, it is connected in hollow lever lower end by connector with hollow drill bit, pass through one-way turning mechanism and transmission axis connection in the center of hollow drill bit, the power transmission shaft is located at the inside of hollow lever, nut is installed by the screw thread of hollow lever outer surface in the upper end of hollow lever.The present invention enables hollow grouting anchor pole from drilling, realize drilling, chip removal and place anchor pole integration, compared with traditional hollow grouting anchor pole, simplify working procedure, efficiency of construction and anchoring effect are effectively increased, especially greatly reduces cost when being related to rock mass large scale structural system.
Description
Technical field
The present invention relates to a kind of anchor pole, specifically a kind of drilling hollow grouting anchor certainly suitable for rock mass large scale structural system
Bar.
Background technology
Anchor pole as it is a kind of improve stability of rock-soil body member system structure because its it is structurally simple, economical efficient the advantages of
And it is widely used in the engineerings such as tunnel, underground chamber, side slope.Wherein hollow grouting anchor pole because reliable in quality, anchoring effect it is excellent
The advantages such as more, good endurance, resistance to corrosion be strong are taken seriously further.
With the fast development of hollow grouting anchor pole, construction quality and speed of application are increasingly becoming the emphasis that people are concerned about.
Traditional form of construction work needs three process：Drill first, be then placed in anchor pole, be finally in the milk, working procedure is complex；This
Outside, first drilling, it is slow to be put into anchor bolt construction speed afterwards, more particularly to cost is very high during rock mass large scale structural system.
The content of the invention
Hollow grouting anchor pole is crept into certainly suitable for rock mass large scale structural system it is an object of the invention to provide a kind of, with
Solve the problems, such as to propose in above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme：
It is a kind of suitable for rock mass large scale structural system from drilling hollow grouting anchor pole, including hollow lever, hollow drill bit,
Power transmission shaft, curved blade, slagging channel, one-way turning mechanism, spiralling wide screw thread, connector, nut, only backing plate, slurry
Plug, ratchet, ratchet, annular groove and bulge loop, the hollow lever outer surface sets screw thread at regular intervals, under hollow lever
End is connected by connector with hollow drill bit, is connected in the center of hollow drill bit by one-way turning mechanism and power transmission shaft
Connect, the power transmission shaft is located at the inside of hollow lever, is installed in the upper end of hollow lever by the screw thread of hollow lever outer surface
Nut, stop grouting plug is provided with the lower section of nut, backing plate is installed between stop grouting plug and nut；The hollow drill bit is by steel alloy
Be made to ensure its rigidity and toughness, the hollow drill bit include two groups of inside curved blades, slagging channel and with transmission
The ratchet that the ratchet of axle lower end connects, the pawl-and-gearing collectively form one-way turning mechanism；The power transmission shaft outside weldings
There is spiralling wide screw thread, a joint with rig synchronous interaction is provided with the upper end of power transmission shaft.
As the further scheme of the present invention：The hollow lever inner space is both channel of chip removal and grouting channel；
To be provided from drilling process chip removal between spiralling wide screw thread outside the hollow lever, hollow drill bit and power transmission shaft
Passage.
As further scheme of the invention：The hollow drill bit diameter is bigger 20mm than the diameter of hollow lever.
As further scheme of the invention：Two groups of curved blades of the hollow drill bit curve inwardly, to ensure
Cut ground bits and enter slagging channel.
As further scheme of the invention：The hollow lever lower end is provided with annular groove, the annular groove with
The bulge loop gap of hollow drill bit upper end coordinates, and the annular groove collectively forms connector with bulge loop.
As further scheme of the invention：The ratchet of the hollow drill bit upper end is mutually nibbled with the ratchet of power transmission shaft lower end
Close, can guarantee that when rotating clockwise and be smoothed out from drilling process, when rotating counterclockwise hollow drill bit and power transmission shaft be separated and
It can guarantee that power transmission shaft smoothly takes out from hollow lever.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention enables hollow grouting anchor pole from creeping into, and realizes drilling, chip removal and places anchor pole integration, and in tradition
Empty grouted rock bolt is compared, and simplifies working procedure, effectively increases efficiency of construction and anchoring effect, is especially being related to rock mass
Cost is greatly reduced during large scale structural system.
Brief description of the drawings
Fig. 1 is the structural representation from drilling hollow grouting anchor pole suitable for rock mass large scale structural system.
Fig. 2 is the top view from hollow drill bit drilling hollow grouting anchor pole suitable for rock mass large scale structural system.
Fig. 3 is hollow drill bit and transmission axis connection suitable for the hollow grouting anchor pole of drilling certainly of rock mass large scale structural system
Structural representation.
Fig. 4 is to connect suitable for rock mass large scale structural system from hollow lever drilling hollow grouting anchor pole with hollow drill bit
The structural representation connect.
Fig. 5 is the operation schematic diagram from drilling hollow grouting anchor pole suitable for rock mass large scale structural system.
Fig. 6 is the construction effect figure from drilling hollow grouting anchor pole suitable for rock mass large scale structural system.
In figure：Hollow lever 1, hollow drill bit 2, power transmission shaft 3, curved blade 4, slagging channel 5, one-way turning mechanism 6, spiral shell
Screw on wide screw thread 7, connector 8, nut 9, backing plate 10, stop grouting plug 11, ratchet 61, ratchet 62, annular groove 81 and the bulge loop risen
82。
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme 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, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1~6, in the embodiment of the present invention, it is a kind of suitable for rock mass large scale structural system from creeping into hollow filling
Starch anchor pole, including hollow lever 1, hollow drill bit 2, power transmission shaft 3, curved blade 4, slagging channel 5, one-way turning mechanism 6, spiral
Wide screw thread 7, connector 8, nut 9, backing plate 10, stop grouting plug 11, ratchet 61, ratchet 62, annular groove 81 and the bulge loop 82 risen,
The outer surface of hollow lever 1 sets screw thread at regular intervals, passes through connector 8 and the phase of hollow drill bit 2 in the lower end of hollow lever 1
Connection, is connected in the center of hollow drill bit 2 by one-way turning mechanism 6 with power transmission shaft 3, and the power transmission shaft 3 is positioned at hollow
The inside of the body of rod 1, nut 9 is installed by the screw thread of the outer surface of hollow lever 1 in the upper end of hollow lever 1, in the lower section of nut 9
Provided with stop grouting plug 11, backing plate 10 is installed between stop grouting plug 11 and nut 9；The hollow drill bit 2 is made up of steel alloy to protect
Demonstrate,prove its rigidity and toughness, the hollow drill bit 2 include two groups of inside curved blades 4, slagging channel 5 and with power transmission shaft 3
The ratchet 61 that the ratchet 62 at end connects, the ratchet 61 and ratchet 62 collectively form one-way turning mechanism 6；Outside the power transmission shaft 3
Portion is welded with spiralling wide screw thread 7, and a joint with rig synchronous interaction is provided with the upper end of power transmission shaft 3.
The inner space of hollow lever 1 is both channel of chip removal and grouting channel；The hollow lever 1, hollow drill bit 2
And to provide passage from drilling process chip removal between the spiralling wide screw thread 7 outside power transmission shaft 3.
The diameter of hollow drill bit 2 is bigger 20mm than the diameter of hollow lever 1.
Two groups of curved blades 4 of the hollow drill bit 2 curve inwardly, and enter slagging channel to ensure to cut ground bits.
The lower end of hollow lever 1 is provided with annular groove 81, the annular groove 81 and the bulge loop 82 of the upper end of hollow drill bit 2
Gap coordinates, and the annular groove 81 collectively forms connector 8 with bulge loop 82.
The ratchet 61 of the upper end of hollow drill bit 2 is meshed with the ratchet 62 of the lower end of power transmission shaft 3, can be protected when rotating clockwise
Card is smoothed out from drilling process, and hollow drill bit 2 is separated with power transmission shaft 3 and can guarantee that power transmission shaft 3 therefrom when rotating counterclockwise
Smoothly taken out in the empty body of rod 1.
The present invention operation principle be：
Drilling depth of the present invention is more than projected depth, after creeping into predetermined depth, rotate counterclockwise power transmission shaft, from hollow stem
Power transmission shaft is extracted in body, stop grouting plug is installed, lays backing plate, then slip casting to full nut of tightening is fixed.
The present invention makes hollow grouting anchor pole from creeping into, and realizes drilling, chip removal and places anchor pole integration, simplifies construction work
Sequence, efficiency of construction and anchoring effect are effectively improved, more particularly to cost is greatly reduced during rock mass large scale structural system.
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art,
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacing, within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., this should be included in
Within the protection domain of invention.
Claims (6)
- A kind of 1. drilling hollow grouting anchor pole, including hollow lever (1), hollow drill bit certainly suitable for rock mass large scale structural system (2), power transmission shaft (3), curved blade (4), slagging channel (5), one-way turning mechanism (6), spiralling wide screw thread (7), company Fitting (8), nut (9), backing plate (10), stop grouting plug (11), ratchet (61) and ratchet (62), it is characterised in that the hollow stem Body (1) outer surface sets screw thread at regular intervals, is connected in hollow lever (1) lower end by connector (8) with hollow drill bit (2) Connect, be connected in the center of hollow drill bit (2) by one-way turning mechanism (6) with power transmission shaft (3), power transmission shaft (3) position In the inside of hollow lever (1), nut is installed by the screw thread of hollow lever (1) outer surface in the upper end of hollow lever (1) (9) stop grouting plug (11), is provided with the lower section of nut (9), backing plate (10) is installed between stop grouting plug (11) and nut (9)；Institute State hollow drill bit (2) to be made up of steel alloy to ensure its rigidity and toughness, the hollow drill bit (2) includes two groups of inside arcs Blade (4), slagging channel (5) and the ratchet (61) to connect with the ratchet (62) of power transmission shaft (3) lower end, the ratchet (61) and Ratchet (62) collectively forms one-way turning mechanism (6)；Power transmission shaft (3) outside weldings have spiralling wide screw thread (7), The upper end of power transmission shaft (3) is provided with a joint with rig synchronous interaction.
- 2. according to claim 1 exist suitable for rock mass large scale structural system from drilling hollow grouting anchor pole, its feature In hollow lever (1) inner space is both channel of chip removal and grouting channel；The hollow lever (1), hollow drill bit (2) to provide passage from drilling process chip removal and between the outside spiralling wide screw thread (7) of power transmission shaft (3).
- 3. according to claim 1 exist suitable for rock mass large scale structural system from drilling hollow grouting anchor pole, its feature In hollow drill bit (2) diameter is bigger 20mm than the diameter of hollow lever (1).
- 4. according to claim 1 exist suitable for rock mass large scale structural system from drilling hollow grouting anchor pole, its feature In two groups of curved blades (4) of the hollow drill bit (2) curve inwardly, and enter slagging channel to ensure to cut ground bits.
- 5. according to claim 1 exist suitable for rock mass large scale structural system from drilling hollow grouting anchor pole, its feature In hollow lever (1) lower end is provided with annular groove (81), and the annular groove (81) is convex with hollow drill bit (2) upper end Ring (82) gap coordinates, and the annular groove (81) collectively forms connector (8) with bulge loop (82).
- 6. according to claim 1 exist suitable for rock mass large scale structural system from drilling hollow grouting anchor pole, its feature In the ratchet (61) of hollow drill bit (2) upper end is meshed with the ratchet (62) of power transmission shaft (3) lower end, when rotating clockwise It can guarantee that and be smoothed out from drilling process, hollow drill bit (2) and power transmission shaft (3) are separated and can guarantee that transmission when rotating counterclockwise Axle (3) smoothly takes out from hollow lever (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711296947.1A CN107893674B (en) | 2017-12-08 | 2017-12-08 | Self-drilling hollow grouting anchor rod suitable for large-scale rock mass structural system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711296947.1A CN107893674B (en) | 2017-12-08 | 2017-12-08 | Self-drilling hollow grouting anchor rod suitable for large-scale rock mass structural system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107893674A true CN107893674A (en) | 2018-04-10 |
| CN107893674B CN107893674B (en) | 2023-12-12 |
Family
ID=61806187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711296947.1A Active CN107893674B (en) | 2017-12-08 | 2017-12-08 | Self-drilling hollow grouting anchor rod suitable for large-scale rock mass structural system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107893674B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667269A (en) * | 2018-12-29 | 2019-04-23 | 国网河北省电力有限公司经济技术研究院 | The centrifugal hole cleaning device of cast-in-situ bored pile |
| CN112324323A (en) * | 2020-10-30 | 2021-02-05 | 中航勘察设计研究院有限公司 | Grouting support type drilling and anchoring integrated machine and anchoring method |
| CN115014263A (en) * | 2022-08-09 | 2022-09-06 | 湖南鹏翔星通汽车有限公司 | Hole depth measuring assembly based on anchor rod trolley design |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704969A (en) * | 2012-06-25 | 2012-10-03 | 中国矿业大学 | Recoverable anchor rod for drilling, anchoring and grouting and supporting method thereof |
| CN203248178U (en) * | 2013-05-23 | 2013-10-23 | 贵州盘江精煤股份有限公司火烧铺矿 | Downward-hole self-drilling grouting anchor rod |
| CN203430548U (en) * | 2013-09-02 | 2014-02-12 | 晋城宏圣科威矿用材料有限公司 | Recyclable anchor rod |
| CN206267861U (en) * | 2016-11-03 | 2017-06-20 | 山东科技大学 | A kind of hollow grouting anchor with ribbing with the shoe screw thread of automatic chip-removal function |
| CN207526514U (en) * | 2017-12-08 | 2018-06-22 | 吉林大学 | A kind of drilling hollow grouting anchor pole certainly suitable for rock mass large scale structural system |
-
2017
- 2017-12-08 CN CN201711296947.1A patent/CN107893674B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704969A (en) * | 2012-06-25 | 2012-10-03 | 中国矿业大学 | Recoverable anchor rod for drilling, anchoring and grouting and supporting method thereof |
| CN203248178U (en) * | 2013-05-23 | 2013-10-23 | 贵州盘江精煤股份有限公司火烧铺矿 | Downward-hole self-drilling grouting anchor rod |
| CN203430548U (en) * | 2013-09-02 | 2014-02-12 | 晋城宏圣科威矿用材料有限公司 | Recyclable anchor rod |
| CN206267861U (en) * | 2016-11-03 | 2017-06-20 | 山东科技大学 | A kind of hollow grouting anchor with ribbing with the shoe screw thread of automatic chip-removal function |
| CN207526514U (en) * | 2017-12-08 | 2018-06-22 | 吉林大学 | A kind of drilling hollow grouting anchor pole certainly suitable for rock mass large scale structural system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667269A (en) * | 2018-12-29 | 2019-04-23 | 国网河北省电力有限公司经济技术研究院 | The centrifugal hole cleaning device of cast-in-situ bored pile |
| CN109667269B (en) * | 2018-12-29 | 2021-07-09 | 国网河北省电力有限公司经济技术研究院 | Centrifugal hole cleaning device for cast-in-situ bored pile |
| CN112324323A (en) * | 2020-10-30 | 2021-02-05 | 中航勘察设计研究院有限公司 | Grouting support type drilling and anchoring integrated machine and anchoring method |
| CN112324323B (en) * | 2020-10-30 | 2023-01-17 | 中航勘察设计研究院有限公司 | Grouting supporting type drilling and anchoring integrated machine and anchoring method |
| CN115014263A (en) * | 2022-08-09 | 2022-09-06 | 湖南鹏翔星通汽车有限公司 | Hole depth measuring assembly based on anchor rod trolley design |
| CN115014263B (en) * | 2022-08-09 | 2022-11-11 | 湖南鹏翔星通汽车有限公司 | Hole depth measuring assembly based on anchor rod trolley design |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107893674B (en) | 2023-12-12 |
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