CN205713982U - A kind of pile foundation construction drilling equipment being applicable to karst area - Google Patents
A kind of pile foundation construction drilling equipment being applicable to karst area Download PDFInfo
- Publication number
- CN205713982U CN205713982U CN201620358976.0U CN201620358976U CN205713982U CN 205713982 U CN205713982 U CN 205713982U CN 201620358976 U CN201620358976 U CN 201620358976U CN 205713982 U CN205713982 U CN 205713982U
- Authority
- CN
- China
- Prior art keywords
- applicable
- pile foundation
- foundation construction
- drilling equipment
- sleeve pipe
- 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.)
- Expired - Fee Related
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 31
- 238000010276 construction Methods 0.000 title claims abstract description 30
- 239000011435 rock Substances 0.000 claims abstract description 12
- 238000005266 casting Methods 0.000 claims abstract description 3
- 238000011084 recovery Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 abstract description 9
- 238000007569 slipcasting Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
- Piles And Underground Anchors (AREA)
Abstract
This utility model belongs to drilling operation apparatus field, is specifically related to a kind of pile foundation construction drilling equipment being applicable to karst area.The technical solution of the utility model is as follows: a kind of pile foundation construction drilling equipment being applicable to karst area, including rig, drilling rod, stake holes drill bit, reaming bit, main sleeve pipe and inner sleeve, described diameter of ream bit 1 3mm bigger than described main sleeve outer；Described main sleeve pipe is used for following reaming bit and passes through rock stratum, until the seat rock of bottom solution cavity is completely located；Described inner sleeve puts into described main internal surface of sleeve pipe, for casting concrete pile；Described main casing recovery reuses.The pile foundation construction drilling equipment being applicable to karst area that this utility model provides, it is possible to once multilamellar karst is passed through in boring, had both saved cost, and had improved again work efficiency, and technique is simple, it is simple to constructor grasps.
Description
Technical field
This utility model belongs to drilling operation apparatus field, is specifically related to one and is applicable to karst region
The pile foundation construction drilling equipment in district.
Background technology
In prospecting boring and pile foundation construction boring procedure, karst area can be run into, typically use
Method that first slip casting is holed again or use lower multilayer sleeve drilling process, but complex process, both
Increase cost, reduce again effect.
Utility model content
This utility model provides a kind of pile foundation construction drilling equipment being applicable to karst area, it is possible to
Once multilamellar karst is passed through in boring, had both saved cost, and had improved again work efficiency, and technique is simple, it is simple to
Constructor grasps.
The technical solution of the utility model is as follows:
A kind of pile foundation construction drilling equipment being applicable to karst area, including rig, drilling rod, stake
Drill, reaming bit, main sleeve pipe and inner sleeve, described diameter of ream bit is than described main set
The big 1-3mm of pipe external diameter；Described main sleeve pipe is used for following reaming bit and passes through rock stratum, until under
The seat rock of end solution cavity is completely located；Described inner sleeve puts into described main internal surface of sleeve pipe, is used for watering
Build concrete pile；Described main casing recovery reuses.
The described pile foundation construction drilling equipment being applicable to karst area, the wherein said main set thickness of pipe
Degree is 10-20mm, and described inner sleeve thickness is 1-3mm.
The described pile foundation construction drilling equipment being applicable to karst area, wherein said main sleeve pipe it
Between use screwed connection.
The described pile foundation construction drilling equipment being applicable to karst area, wherein said inner sleeve it
Between use and be welded to connect.
The beneficial effects of the utility model are:
1, the pile foundation pore-forming of karst area, particularly multilamellar karst strata, uses pipe-following drilling
With reaming bit technique can disposal pore-forming, without solution cavity slip casting, multilayer sleeve, efficiency is high,
Cost is low.The pile foundation construction pore-forming preferably solving special multilamellar karst area, karst area is stranded
Difficulty, uses the problem that single control measures cannot prove effective.
2, during pile foundation construction, after main sleeve pipe is combined construction formation stake holes with reaming bit,
Put into inner sleeve at main internal surface of sleeve pipe, now reclaim main sleeve pipe, then carry out concreting；In
Casing wall is thin, connects with welding manner, saves construction cost.
Accompanying drawing explanation
Fig. 1 is to be applicable to the pile foundation construction drilling equipment of karst area to creep into the construction shape of soil layer
State figure；
Fig. 2 is to be applicable to the pile foundation construction drilling equipment of karst area to creep into the construction shape of rock stratum
State figure；
After Fig. 3 is the pile foundation construction drilling equipment drill-through bottom solution cavity being applicable to karst area
Construction State figure；
Fig. 4 be in Fig. 3 A-A to profile.
Detailed description of the invention
As shown in figures 1-4, a kind of pile foundation construction drilling equipment being applicable to karst area, including
Rig 1, drilling rod 2, stake holes drill bit 6, reaming bit 7, main sleeve pipe 3 and inner sleeve 4, institute
State reaming bit 7 diameter than the described main sleeve pipe 3 big 1mm of external diameter；Described main sleeve pipe 3 for
Rock stratum is passed through, until the seat rock of bottom solution cavity is completely located with reaming bit 7；In described
Described main sleeve pipe 3 inwall put into by sleeve pipe 4, for casting concrete pile；Described main sleeve pipe 3
Recycle and reuse；Wherein said main sleeve pipe 3 thickness is 15mm, and described inner sleeve 4 thickness is
2mm；Screwed connection is used between wherein said main sleeve pipe 3；Adopt between wherein said inner sleeve 4
With being welded to connect.
The construction procedure of the above-mentioned pile foundation construction drilling equipment being applicable to karst area is as follows:
One, first drilling equipment utilizes stake holes drill bit 6 normally to creep into soil layer, this most main sleeve pipe 3,
Artificial or twisting machine down tube, when arriving rock stratum when, changes reaming bit 7 by stake holes 5 hole
Footpath expands, and drilling diameter is more than main sleeve pipe 3 external diameter 1mm, it is ensured that main sleeve pipe 3 can be with reamer
7 enter rock stratum.
Two, get into the bottom of bottom solution cavity, if lower rock is complete, recover stake holes drill bit the most again
6 hole diameters are design stake footpath, without pipe-following drilling, until it reaches till absolute altitude at the bottom of design stake.
Three, after stake holes 5 reaches to design hole depth, hole flushing, stake holes drill bit 6 is extracted, by inner sleeve
4 put into stake holes 5 inside main sleeve pipe 3.
Four, after inner sleeve 4 is put into, main sleeve pipe 3 is extracted, disassembles, prepare to recycle.
Five, after bore process is fully completed, descending reinforcing cage, concrete perfusion, implement pile foundation construction
Follow-up work.
Claims (4)
1. it is applicable to a pile foundation construction drilling equipment for karst area, including rig, drilling rod
With stake holes drill bit, it is characterised in that also include reaming bit, main sleeve pipe and inner sleeve, described
Diameter of ream bit is than the described big 1-3mm of main sleeve outer；Described main sleeve pipe is used for following reaming
Drill bit passes through rock stratum, until the seat rock of bottom solution cavity is completely located；Described inner sleeve is put into
Described main internal surface of sleeve pipe, for casting concrete pile；Described main casing recovery reuses.
The pile foundation construction drilling equipment being applicable to karst area the most according to claim 1,
It is characterized in that, described main casing thickness is 10-20mm, and described inner sleeve thickness is 1-3mm.
The pile foundation construction drilling equipment being applicable to karst area the most according to claim 1,
It is characterized in that, between described main sleeve pipe, use screwed connection.
The pile foundation construction drilling equipment being applicable to karst area the most according to claim 1,
It is characterized in that, use between described inner sleeve and be welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620358976.0U CN205713982U (en) | 2016-04-25 | 2016-04-25 | A kind of pile foundation construction drilling equipment being applicable to karst area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620358976.0U CN205713982U (en) | 2016-04-25 | 2016-04-25 | A kind of pile foundation construction drilling equipment being applicable to karst area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205713982U true CN205713982U (en) | 2016-11-23 |
Family
ID=57293479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620358976.0U Expired - Fee Related CN205713982U (en) | 2016-04-25 | 2016-04-25 | A kind of pile foundation construction drilling equipment being applicable to karst area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205713982U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107299632A (en) * | 2017-05-25 | 2017-10-27 | 中国电建集团华东勘测设计研究院有限公司 | Marine rock drilling strike-on type large diameter pile structure and construction method |
| CN112855029A (en) * | 2021-04-26 | 2021-05-28 | 中铁九局集团第七工程有限公司 | Goaf drilling external pipe expansion construction method |
-
2016
- 2016-04-25 CN CN201620358976.0U patent/CN205713982U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107299632A (en) * | 2017-05-25 | 2017-10-27 | 中国电建集团华东勘测设计研究院有限公司 | Marine rock drilling strike-on type large diameter pile structure and construction method |
| CN112855029A (en) * | 2021-04-26 | 2021-05-28 | 中铁九局集团第七工程有限公司 | Goaf drilling external pipe expansion construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 |