CN110318683A - Cement mixing pile drill bit gunniting hole preventing clogging up device and its application method - Google Patents
Cement mixing pile drill bit gunniting hole preventing clogging up device and its application method Download PDFInfo
- Publication number
- CN110318683A CN110318683A CN201810273605.6A CN201810273605A CN110318683A CN 110318683 A CN110318683 A CN 110318683A CN 201810273605 A CN201810273605 A CN 201810273605A CN 110318683 A CN110318683 A CN 110318683A
- Authority
- CN
- China
- Prior art keywords
- drill bit
- whitewashing
- bolt
- hole
- nut
- 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
- 239000004568 cement Substances 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000002002 slurry Substances 0.000 claims abstract description 19
- 239000011378 shotcrete Substances 0.000 claims abstract description 16
- 239000002689 soil Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 229920002472 Starch Polymers 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims 2
- 235000012149 noodles Nutrition 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Classifications
-
- 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
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/61—Drill bits characterised by conduits or nozzles for drilling fluids characterised by the nozzle structure
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Piles And Underground Anchors (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to the field of drill for soil layer or the drilling of rock, specially a kind of cement mixing pile drill bit gunniting hole preventing clogging up device and its application method.A kind of cement mixing pile drill bit gunniting hole preventing clogging up device, including tubular drill bit (1), it is characterized in that: further including whitewashing bolt (2), nut (3) and seal washer (4), slurry outlet (23) are provided on the gunite covering (21) of bolt (2) screw rod of whitewashing；Connecting hole (24) are provided on the nut of whitewashing bolt (2)；Whitewashing bolt (2) is set in gunniting hole (11).A kind of application method of cement mixing pile drill bit gunniting hole preventing clogging up device, it is characterized in that: successively implementing as follows: 1. whitewashing；2. sealing of hole.The configuration of the present invention is simple, easy to use, blocking-proof result is good, applied widely.
Description
Technical field
The present invention relates to the field of drill for soil layer or the drilling of rock, specially a kind of cement mixing pile drill bit whitewashing
Hole preventing clogging up device and its application method.
Background technique
Conventional cement mixing pile machine drill bit gunniting hole is common aperture, in stake machine going down process, empty pile cutoff due to not whitewashing,
Easily make mud or native slag since soil pressure is squeezed into gunniting hole, then blocks gunniting hole or even entire drill bit shaft；And it is constructing
It whitewashes in the process in the presence of interval or has a power failure to cause to construct and interrupt and bring whitewashing is interrupted, when causing not whitewash, mud, screenings are fallen
Stream blocking gunniting hole, similarly causes drill bit and drill bit shaft blockage problem.In traditional construction, the problem of blocking is faced, usually
Using high pressure washing, after dredging back and forth, pile foundation construction is re-started, the duration is both delayed, also influences pile quality, and it is above-mentioned
Blockage problem is difficult to estimate along with entire work progress, brought baneful influence and the extent of damage.
Summary of the invention
In order to overcome the drawbacks of the prior art, provide that a kind of structure is simple, easy to use, blocking-proof result is good, the scope of application
Wide drilling equipment, the invention discloses a kind of cement mixing pile drill bit gunniting hole preventing clogging up device and its application methods.
The present invention reaches goal of the invention by following technical solution:
A kind of cement mixing pile drill bit gunniting hole preventing clogging up device is provided with and bores on the lateral wall of drill bit including tubular drill bit
The gunniting hole of head inner cavity perforation, it is characterized in that: further include whitewashing bolt, nut and seal washer,
The outer diameter of whitewashing bolt screw rod and the aperture of gunniting hole match each other, and whitewashing bolt screw rod is carried on the back from the inner end of coupling nut is past
It is followed successively by the gunite covering of non-external threading and the flank being externally threaded from the outer end of nut, the width of gunite covering is greater than drill bit
Wall thickness；
Slurry outlet is provided on gunite covering, central axis being arranged radially along gunite covering of slurry outlet, slurry outlet is around gunite covering
Circumferencial direction is arranged at least two circles, and every circle includes at least six slurry outlets；
It is provided with connecting hole on the nut of whitewashing bolt, connecting hole is blind hole, and connecting hole and each slurry outlet penetrate through respectively；
Whitewashing bolt is set in gunniting hole, and the nut for bolt of whitewashing is set to the interior intracavitary of drill bit, the outer end for bolt screw rod of whitewashing
Outside the lateral wall of drill bit, nut is spun on the outer end of whitewashing bolt screw rod, and sealing is lined between nut and the lateral wall of drill bit
Washer.
The cement mixing pile drill bit gunniting hole preventing clogging up device, it is characterized in that: to the other end from one end of drill bit
The line for connecting each gunniting hole constitutes at least one helix for being coiled in drill bit lateral surface.
The application method of the cement mixing pile drill bit gunniting hole preventing clogging up device, it is characterized in that: as follows according to
Secondary implementation:
1. whitewashing: when drill bit operation whitewashing, intracavitary mud generates one from drill bit inner cavity to outside drill bit to whitewashing bolt in drill bit
The pressure of side wall, the nut that whitewashing bolt pops up the bolt that makes to whitewash outward resist the inner sidewall of drill bit inner cavity around gunniting hole, mud
Slurry is discharged outside drill bit followed by drill bit inner cavity, connecting hole, slurry outlet and gunniting hole；
2. sealing of hole: when drill bit stoppage in transit is not whitewashed, the soil outside drill bit generates one from drill bit lateral wall to drill bit inner cavity to whitewashing bolt
Pressure, whitewashing bolt inwardly bounces back the lateral wall for making nut and seal washer resist drill bit around gunniting hole, and gunniting hole is sealed
Mud is closed not to be then exhausted from.
It should invent and solve the problems, such as hole plug of whitewashing present in cement mixing work progress, structure is simple,
It is easy to operate, realize full-automatic anti-clogging, investment is economical, can wide popularization and application, be greatly saved mud plug-hole bring without
The construction time is imitated, the duration is shortened, improves work efficiency.
The technology of the application compared with prior art possessed by advantage or good effect
1. principle is simple, full-automatic anti-clogging, significant effect；
2. fundamentally solving the problems, such as cement mixing pile plug-hole；
3. being applicable in all kinds of cement mixing pile heads, applicability is wide, and generalization is strong；
4. investment is economical, bring remarkable benefit；
5. the mud plug-hole bring invalid construction time is greatly saved, the duration is shortened, work efficiency is improved.
6. avoiding high pressure washing when blocking, the wasting of resources driven piles again after dredging back and forth greatlys save cost.
Detailed description of the invention
Fig. 1 is main view of the invention；
Fig. 2 is the diagrammatic cross-section in the present invention at drill bit gunniting hole；
Fig. 3 is the structural schematic diagram of whitewashing bolt, nut and seal washer in the present invention.
Specific embodiment
The present invention is further illustrated below by way of specific embodiment.
Embodiment 1
A kind of cement mixing pile drill bit gunniting hole preventing clogging up device, including drill bit 1, whitewashing bolt 2, nut 3 and seal washer 4,
As shown in FIG. 1 to 3, specific structure is:
Drill bit 1 be it is tubular, be provided on the lateral wall of drill bit 1 with 1 inner cavity of drill bit perforation gunniting hole 11；
It whitewashes the outer diameter of 2 screw rod of bolt and the aperture of gunniting hole 11 matches each other, whitewashing 2 screw rod of bolt is from the inner end of coupling nut
The gunite covering 21 of non-external threading and the flank 22 being externally threaded, the width of gunite covering 21 are followed successively by toward the outer end away from nut
Degree is greater than the wall thickness of drill bit 1；
Be provided on gunite covering 21 diameter be 5mm slurry outlet 23, central axis being arranged radially along gunite covering 21 of slurry outlet 23,
Slurry outlet 23 is arranged in two circles around the circumferencial direction of gunite covering 21, and every circle includes ten equally distributed out around gunite covering 21
Starch hole 23；
Connecting hole 24 is provided on the nut of whitewashing bolt 2, connecting hole 24 is blind hole, and connecting hole 24 and each slurry outlet 23 pass through respectively
It is logical；
Whitewashing bolt 2 is set in gunniting hole 11, and the nut of whitewashing bolt 2 is set to the interior intracavitary of drill bit 1,3 screw rod of bolt of whitewashing
Outer end be set to outside the lateral wall of drill bit 1, nut 3 is spun on the outer end of whitewashing 2 screw rod of bolt, the lateral wall of nut 3 and drill bit 1 it
Between be lined with seal washer 4.
In the present embodiment: constituting a coiling to the line that the other end connects each gunniting hole 11 from one end of drill bit 1
In the helix of 1 lateral surface of drill bit, it also may make up two or more helixes.
The present embodiment in use, successively implement as follows:
1. whitewashing: when the operation whitewashing of drill bit 1, intracavitary mud generates one from 1 inner cavity of drill bit to brill to whitewashing bolt 2 in drill bit 1
The pressure of first 1 lateral wall, pop-up makes the nut of whitewashing bolt 2 resist 11 surrounding drill bit of gunniting hole, 1 inner cavity to whitewashing bolt 2 outward
Inner sidewall, mud are discharged outside drill bit 1 followed by 1 inner cavity of drill bit, connecting hole 24, slurry outlet 23 and gunniting hole 11；
2. sealing of hole: when the stoppage in transit of drill bit 1 is not whitewashed, the soil outside drill bit 1 generates one from 1 lateral wall of drill bit to drill bit 1 to whitewashing bolt 2
The pressure of inner cavity, the inside lateral wall for making nut 3 and seal washer 4 resist 11 surrounding drill bit 1 of gunniting hole that bounces back of whitewashing bolt 2,
Gunniting hole 11 is closed mud and is not then exhausted from.
Claims (3)
1. a kind of cement mixing pile drill bit gunniting hole preventing clogging up device, including tubular drill bit (1), on the lateral wall of drill bit (1)
It is provided with the gunniting hole (11) with the perforation of drill bit (1) inner cavity, it is characterized in that: further including whitewashing bolt (2), nut (3) and gasket
It encloses (4),
It whitewashes the outer diameter of bolt (2) screw rod and the aperture of gunniting hole (11) matches each other, whitewashing bolt (2) screw rod is from coupling nut
Inner end toward the outer end flank (22) that is followed successively by the gunite covering (21) of non-external threading and is externally threaded away from nut, spray
The width of pulp noodle (21) is greater than the wall thickness of drill bit (1)；
It is provided on gunite covering (21) slurry outlet (23), central axis being arranged radially along gunite covering (21) of slurry outlet (23), out
Circumferencial direction of slurry hole (23) around gunite covering (21) is arranged at least two circles, and every circle includes at least six slurry outlets (23)；
It is provided with connecting hole (24) on the nut of whitewashing bolt (2), connecting hole (24) is blind hole, connecting hole (24) and each slurry outlet
(23) it penetrates through respectively；
Whitewashing bolt (2) is set in gunniting hole (11), and the nut of whitewashing bolt (2) is set to the interior intracavitary of drill bit (1), spiral shell of whitewashing
The outer end of bolt (3) screw rod is set to outside the lateral wall of drill bit (1), and nut (3) is spun on the outer end of whitewashing bolt (2) screw rod, nut (3)
Seal washer (4) are lined between the lateral wall of drill bit (1).
2. cement mixing pile drill bit gunniting hole preventing clogging up device as described in claim 1, it is characterized in that: from the one of drill bit (1)
The line for connecting each gunniting hole (11) to the other end has been held to constitute at least one helix for being coiled in drill bit (1) lateral surface.
3. the application method of cement mixing pile drill bit gunniting hole preventing clogging up device as claimed in claim 1 or 2, it is characterized in that:
Successively implement as follows:
1. whitewashing: when drill bit (1) operation whitewashing, intracavitary mud generates one from drill bit (1) to whitewashing bolt (2) in drill bit (1)
Inner cavity is to the pressure of drill bit (1) lateral wall, and pop-up makes the nut of whitewashing bolt (2) resist gunniting hole outward for whitewashing bolt (2)
(11) inner sidewall of surrounding drill bit (1) inner cavity, mud is followed by drill bit (1) inner cavity, connecting hole (24), slurry outlet (23) and spray
Starch hole (11) discharge drill bit (1) outside；
2. sealing of hole: when drill bit (1) stoppage in transit is not whitewashed, the soil of drill bit (1) outside generates one from the outside of drill bit (1) to whitewashing bolt (2)
Wall is to the pressure of drill bit (1) inner cavity, and inwardly retraction makes nut (3) and seal washer (4) resist gunniting hole (11) for whitewashing bolt (2)
The lateral wall of surrounding drill bit (1), gunniting hole (11) are closed mud and are not then exhausted from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810273605.6A CN110318683B (en) | 2018-03-29 | 2018-03-29 | Anti-blocking device for cement mixing pile drill bit guniting hole and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810273605.6A CN110318683B (en) | 2018-03-29 | 2018-03-29 | Anti-blocking device for cement mixing pile drill bit guniting hole and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110318683A true CN110318683A (en) | 2019-10-11 |
| CN110318683B CN110318683B (en) | 2021-03-26 |
Family
ID=68111048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810273605.6A Active CN110318683B (en) | 2018-03-29 | 2018-03-29 | Anti-blocking device for cement mixing pile drill bit guniting hole and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110318683B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2036527A1 (en) * | 2007-09-13 | 2009-03-18 | Siemens & Co. Heilwasser und Quellenprodukte des Staatsbades Bad Ems GmbH & Co. KG | Nasal spray with non-return valve |
| CN101678946A (en) * | 2007-05-29 | 2010-03-24 | 约翰·梅林·柯普斯登-布鲁斯 | valve and dispenser |
| CN201865113U (en) * | 2010-11-26 | 2011-06-15 | 湖北地矿建设工程承包集团有限公司 | Automatic check valve type pressure grouting device |
| CN205712134U (en) * | 2016-06-23 | 2016-11-23 | 南京中艺建筑设计院股份有限公司 | Soil nailing |
| CN206090655U (en) * | 2016-09-30 | 2017-04-12 | 上海岩土工程勘察设计研究院有限公司 | Injected hole block structure |
| CN206581254U (en) * | 2016-11-16 | 2017-10-24 | 上海市建工设计研究总院有限公司 | Grouting device and bottom-enlarging prefabricated pile tube |
| CN206902717U (en) * | 2017-05-09 | 2018-01-19 | 深圳市蛇口招商港湾工程有限公司 | A kind of Grouting Pipe for foundation engineering |
| KR20180009613A (en) * | 2016-07-19 | 2018-01-29 | 주식회사 스탠드팩 | Air valve for vinyl pack |
-
2018
- 2018-03-29 CN CN201810273605.6A patent/CN110318683B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101678946A (en) * | 2007-05-29 | 2010-03-24 | 约翰·梅林·柯普斯登-布鲁斯 | valve and dispenser |
| EP2036527A1 (en) * | 2007-09-13 | 2009-03-18 | Siemens & Co. Heilwasser und Quellenprodukte des Staatsbades Bad Ems GmbH & Co. KG | Nasal spray with non-return valve |
| CN201865113U (en) * | 2010-11-26 | 2011-06-15 | 湖北地矿建设工程承包集团有限公司 | Automatic check valve type pressure grouting device |
| CN205712134U (en) * | 2016-06-23 | 2016-11-23 | 南京中艺建筑设计院股份有限公司 | Soil nailing |
| KR20180009613A (en) * | 2016-07-19 | 2018-01-29 | 주식회사 스탠드팩 | Air valve for vinyl pack |
| CN206090655U (en) * | 2016-09-30 | 2017-04-12 | 上海岩土工程勘察设计研究院有限公司 | Injected hole block structure |
| CN206581254U (en) * | 2016-11-16 | 2017-10-24 | 上海市建工设计研究总院有限公司 | Grouting device and bottom-enlarging prefabricated pile tube |
| CN206902717U (en) * | 2017-05-09 | 2018-01-19 | 深圳市蛇口招商港湾工程有限公司 | A kind of Grouting Pipe for foundation engineering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110318683B (en) | 2021-03-26 |
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