CN106481289A - Auger stem, rig and the stake holes being molded by auger stem and VDS bored concrete pile - Google Patents
Auger stem, rig and the stake holes being molded by auger stem and VDS bored concrete pile Download PDFInfo
- Publication number
- CN106481289A CN106481289A CN201611145464.7A CN201611145464A CN106481289A CN 106481289 A CN106481289 A CN 106481289A CN 201611145464 A CN201611145464 A CN 201611145464A CN 106481289 A CN106481289 A CN 106481289A
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- reducer
- concrete
- auger stem
- blade
- annular
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 51
- 230000015572 biosynthetic process Effects 0.000 claims description 14
- 230000008719 thickening Effects 0.000 claims description 13
- 238000007493 shaping process Methods 0.000 claims 2
- 238000005553 drilling Methods 0.000 description 25
- 238000010276 construction Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 241001074085 Scophthalmus aquosus Species 0.000 description 3
- 238000005056 compaction Methods 0.000 description 3
- 230000010412 perfusion Effects 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012407 engineering method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000010410 reperfusion Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/22—Rods or pipes with helical structure
-
- 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
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/36—Concrete or concrete-like piles cast in position ; Apparatus for making same making without use of mouldpipes or other moulds
-
- 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
- E21B6/00—Drives for drilling with combined rotary and percussive action
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structural Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Paleontology (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to auger stem, rig and the stake holes being molded by auger stem and VDS bored concrete pile, auger stem includes the middle body of rod and is arranged at the helical blade in intermediate bar external week, helical blade is made up of at least two blade units being sequentially arranged along the hand of spiral of helical blade, wherein at least one blade unit have along the hand of spiral from the bottom to top width by the narrow reducer for broadening, reducer has and extrudes side face for extruding the reducer of corresponding boring mud and/or concrete.The present invention solves the problems, such as that the stake holes hole wall that existing auger stem is molded can not provide higher collateral resistance for concrete-pile bar.
Description
Technical field
The present invention relates to auger stem in stake work field, rig and the stake holes being molded by auger stem and VDS bored concrete pile.
Background technology
Auger stem is the conventional drilling rod in a work field, and existing auger stem includes the middle body of rod and is arranged at centre
The helical blade of body of rod periphery, helical blade are the wall thickness structure such as isometrical.In the operation of stake work, auger stem is by the power of rig
Head drives and Auger drilling, and in drilling process, the boring mud produced due to drilling is transported to along the upper surface of helical blade
Earth's surface, after stake holes is formed, the concrete perfusion in stake holes, the concrete of solidification is concrete-pile bar and stake holes hole wall, stake holes
Bottom hole forms bored concrete pile together.The purpose of pile foundation construction is to improve bearing capacity, and bearing capacity derives from stratum, and stratum is that have solid
Particle, air and water composition, improves density of solid particles discharge air and water can improve stratum bearing capacity desirable parameters.Stake receive
Power, is fully closed according to the Force principle of stake from the collateral resistance on stake holes hole wall stratum and the bottom bearing of stake holes bottom hole supporting course
Reason calls raising stratum desirable parameters to improve the problem that the bearing capacity of stake is that pile foundation industry is inquired into always.
And in the prior art, conventional auger stem is only capable of playing the purpose for conveying boring mud from the bottom to top, drilling
Hole wall can not obtain compacted plus reality, and stake holes hole wall can not cause the carrying of bored concrete pile for concrete-pile bar provides higher collateral resistance
Power is not very high.Around raising stake week collateral resistance and stake bottom load to improve the major technique of bearing capacity in prior art
Have：It is intended to increase the end endurance area of stake using support disk pile and DX stake, although bearing capacity effect is preferable, but is moved after pore-forming again
Machine is put into that expander is expanding to drag for pile after slag telephone-moving, construction technology very complicated again.By reserved note after post -grou ting -filling -pile
Slurry pipe is intended to improve stake bottom load and stake week collateral resistance to stake bottom and side wall and pressure slurry, and bearing power increase effect is obvious, but cement
It is big with pile bearing capacity difference that stake easily occurs in slurry pressure filling poor controllability.Certainly also have some other to increase stake week collateral resistance and stake bottom
Engineering method for the purpose of end resistance, but these engineering methods all have construction complexity, and supporting drill configuration complexity, rig fault rate are high
Etc. various problems.
Content of the invention
It is an object of the invention to provide a kind of auger stem, to solve stake holes hole wall that existing auger stem molds not
The problem of higher collateral resistance can be provided for concrete-pile bar；The present invention also aims to providing a kind of using the auger stem
Rig and the stake holes molded by the auger stem and VDS bored concrete pile.
In order to solve the above problems, in the present invention, the technical scheme of rig is：
Rig, the auger stem driven including actuating unit and by actuating unit, auger stem include the middle body of rod and are arranged at
The helical blade in intermediate bar external week, helical blade is by least two blade lists being sequentially arranged along the hand of spiral of helical blade
Unit constitute, wherein at least one blade unit have along the hand of spiral from the bottom to top width by the narrow reducer for broadening, reducer
Have side face is extruded for extruding the reducer of corresponding boring mud and/or concrete.
The thickness of the part or all of blade unit of reducer from the bottom to top gradually thickening spaced apart in the axial direction two
Spacing between individual blade unit is tapered into from the bottom to top, is made the upper and lower running orbit change of boring mud reach allotment boring mud up and down and is arrived
The compacted purpose in the relatively small position of hole wall lateral spacing power.
Blade unit is also included in reducer upper end along the hand of spiral consistent isometrical section of width from the bottom to top, isometrical
Section has the isometrical section of extruding side face for extruding the boring mud and/or concrete, isometrical section of part or all of blade unit
Thickness gradually thickening from the bottom to top.
In the present invention, the technical scheme of auger stem is：
Auger stem, including the middle body of rod and is arranged at the helical blade in intermediate bar external week, and helical blade is by least two edges
Blade unit that the hand of spiral of helical blade is sequentially arranged is constituted, wherein at least one blade unit have along the hand of spiral by
Under supreme width by the narrow reducer for broadening, reducer has and extrudes for extruding the reducer of corresponding boring mud and/or concrete
Side face.
The thickness of the part or all of blade unit of reducer from the bottom to top gradually thickening spaced apart in the axial direction two
Spacing between individual blade unit is tapered into from the bottom to top, is made the upper and lower running orbit change of boring mud reach allotment boring mud up and down and is arrived
The compacted purpose in the relatively small position of hole wall lateral spacing power.
Blade unit is also included in reducer upper end along the hand of spiral consistent isometrical section of width from the bottom to top, isometrical
Section has the isometrical section of extruding side face for extruding the boring mud and/or concrete, isometrical section of part or all of blade unit
Thickness gradually thickening from the bottom to top.
In the present invention, the technical scheme of VDS bored concrete pile is：
VDS bored concrete pile, including stake holes and the concrete-pile bar being placed in stake holes, the hole wall of stake holes is by connecing with the concrete-pile bar
The compacted body of tactile annular is constituted, and annular compacted body includes annular ground layer, has for by the change of blade unit in annular ground layer
Boring mud and/or concrete that footpath section extruding side face is extruded and submerged in the annular ground layer.
The compacted body of annular is more than thickness of the annular compacted body corresponding to hard formation corresponding to the thickness of soft formation.
In the present invention, the technical scheme of stake holes is：
Stake holes, the hole wall of stake holes are made up of annular compacted body, and annular compacted body includes annular ground layer, useful in annular ground layer
The boring mud submerged in the annular ground layer in the reducer extruding side face extruding by blade unit and/or concrete.
The compacted body of annular is more than thickness of the annular compacted body corresponding to hard formation corresponding to the thickness of soft formation.
Beneficial effects of the present invention are：Using the auger stem in the present invention in drilling construction, auger stem rotary drilling
Enter, as the boring mud that drilling process is produced then is conveyed upward along helical blade, as at least one blade unit has along spiral shell
Width can fall into the outer of reducer by the narrow reducer for broadening, therefore boring mud at the reducing fragment position from the bottom to top in rotation direction
Side, with the rotation of helical blade, boring mud is carried out the centrifugation outside by center by the reducer extruding side face extruding of reducer
Formula is moved, and the reducer extruding side face of reducer is squeezed into boring mud in annular ground layer and is formed for constituting stake holes hole wall
The compacted body of annular, through the extruding of boring mud, annular ground layer is squeezed close plus real, and moisture and air are excluded, annular ground layer
Density is increased, so that stake holes hole wall can provide higher collateral resistance for concrete-pile bar.
Further, the thickness of the part or all of blade unit of reducer is gradually thickening from the bottom to top, this on the one hand meeting
Increase the area that reducer extrudes side face, extruding efficiency is improved, in addition also cause spaced apart in the axial direction two blade lists
Spacing between unit is tapered into from the bottom to top, that is to say, that the corresponding helical pitch of helical blade is become narrow gradually from the bottom to top,
This is conducive to more boring muds or concrete to be pressed against on the outside of helical blade, is conducive to boring mud or concrete preferably centrifugal fortune
Dynamic, be conducive to boring mud to allocate operation up and down and reinforce to the less soft formation of opposite side limiter.
Description of the drawings
Fig. 1 is the structural representation of the embodiment 1 of rig in the present invention；
Fig. 2 is the cooperation schematic diagram of helical blade and the middle body of rod in Fig. 1；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the structural representation of the embodiment 2 of rig in the present invention；
Fig. 5 is the structural representation of the embodiment 1 of VDS bored concrete pile in the present invention；
Fig. 6 is the structural representation of the embodiment 2 of VDS bored concrete pile in the present invention.
Specific embodiment
The embodiment 1 of rig is as shown in Fig. 1 ~ 3：The auger stem driven including actuating unit and by actuating unit, spiral
Drilling rod includes the middle body of rod 2 and is arranged at the helical blade 3 in intermediate bar external week that the middle body of rod is vertically extending for one
Isometrical hollow bar structure.Actuating unit includes the impactor of the unit head 1 of outputting rotary power and output vibration power, wherein
The structure of unit head and impactor and Publication No. CN103277044A, apply for entitled " SDL stake work driving method and being exclusively used in
In the patent publication of the pile work drilling machine of enforcement the method ", unit head is identical with impactor, will not be described in detail herein.
The blade unit 31 that helical blade 3 is sequentially connected with by multiple hands of spiral along helical blade is constituted, each leaf
Blade unit 31 is respectively provided with along the hand of spiral reducer 32 that width is broadened by narrow from the bottom to top and the edge for being arranged at reducer upper end
The hand of spiral from the bottom to top in width consistent isometrical section of 33, Fig. 2 A represent reducer 32 and isometrical section 33 of line of demarcation.Reducing
Section 32 have for extrude corresponding boring mud and/or concrete reducer extrude side face 34, isometrical section 33 have for extrude bore
Slag and/or isometrical section of extruding side face 35 of concrete.The thickness of the upper end blade unit of reducer is gradually thickening from the bottom to top, etc.
The consistency of thickness of the upper end of footpath section, the thickness of remainder are gradually thickening from the bottom to top, and the change of blade unit thickness is caused
Spacing between spaced apart in the axial direction two blade units 31 is tapered into from the bottom to top.
In drilling construction, auger stem rotary drilling under unit head driving, the drill bit of auger stem lower end can get out
Boring mud, boring mud are delivered up along the upper surface of helical blade, when boring mud is delivered to the upper end of each blade unit, because phase therewith
There is reducer in adjacent blade unit, therefore boring mud can be fallen on the outside of the reducer extruding side face of reducer, with auger stem
Continuation rotation, boring mud squeezes by reducer extruding side face outwardly, and most boring mud is extruded onto in annular ground layer at last, isometrical section of extruding
Side face is played consolidates compacted effect.In addition, the thickness of the body position of blade unit is gradually increased, so extruding to boring mud
Area is also being gradually increased, such that it is able to play squeezing effect more preferable to boring mud, while also cause more boring muds carry out from
The heart moves and moves to the outside of helical blade, when the boring mud amount that annular ground layer can submerge reaches capacity, unnecessary brill
Slag can be outside tap.It is exactly that, in auger stem percussion drilling, reducer extrudes side face and stake holes that reducer also has an effect
There is vertical impulsive force of the sufficient space acceptance from unit head between hole wall, reduce vertical impulsive force of the boring mud to helical blade,
Operating efficiency is improved, reduces the kinetic energy loss to impactor, while ensureing the service life of helical blade.When drilling is to bottom hole
Stop the rotation, the vertical impulsive force of impactor passes through auger stem going down, so as to tamp compacted bottom hole supporting course.Subsequently may be used
With the endoporus using drilling rod to concrete perfusion in drilling, concrete perfusion, auger stem is carried on one side, while making spiral
Drilling rod rotates, and during being somebody's turn to do, reducer extruding side face and isometrical section of extruding side face can be by the concrete extrusion also not solidified
To annular ground layer, so annular ground layer and the boring mud being extruded in annular ground layer and concrete constitute annular together
Compacted body is stake holes hole wall, the concrete after concrete curing in stake holes, in concrete in stake holes and annular ground layer
Overall structure is solidified into, bored concrete pile is ultimately formed, the bearing capacity of bored concrete pile is substantially increased, because of the molding mode of the bored concrete pile,
The bored concrete pile can be described as VDS bored concrete pile again, and alphabetical V is English word " Variety "（Change）First letter, alphabetical D
It is English word " Diameter "（Diameter）First letter, S is the first letter of English word " Stick " (bar),
That is the meaning of VDS bored concrete pile is the bored concrete pile processed using the drilling rod of diameter change.Broadened by narrow on the middle body of rod
Helical blade form, with the rotation of the middle body of rod, the circular trace changed from small to big, blade changes helical pitch by thin to thicker than crossing
Become, boring mud and concrete form variable flow-disturbing movement locus in helical pitch and clamp-on borehole wall beneficial to reinforcement material.Work as respective layer
The compacted body of annular to certain limit when, boring mud is delivered up and is reinforced to the less soft stratum of opposite side limiter, if
The absorbability on stratum is more by force can to clamp-on more boring mud in stratum, then realize full soil compaction drilling, if the amount of boring mud is super
The absorbability on stratum is crossed, unnecessary boring mud will be transported to earth's surface, realize half soil compaction drilling.The more existing bored concrete pile of the pile-type
Bearing capacity can be improved, reduces boring mud discharge, the squeezed drilling compacting bottom hole of construction is once completed, can achieve full soil compaction drilling, partly squeeze
Earth boring auger such as enters at multiple Construction Modes, and simple for process, reliable in quality, energy-conserving and environment-protective realize economic, quick, energy-conserving and environment-protective
Integration objective.
In the other embodiments of this rig：The actuating unit of rig can also be only have being capable of outputting rotary power
Unit head；The number of blade unit can carry out selection as needed, and adjacent blade unit can be between certain
Every, certain also not all of blade unit is required for reducer, such as the blade unit at interval has reducer, or
Person has the optional position of the blade unit in whole helical blade of reducer；The blade unit of reducer can also all by
Under supreme thickness gradually thickening；Isometrical section of blade unit can also be all gradually thickening from the bottom to top；Certainly isometrical section also may be used
Not set；The auger stem can also be only used in boring procedure, or is only used in slip casting drilling process, when auger stem only
For, when in boring procedure, the middle body of rod can also be solid construction.
The embodiment 2 of rig is as shown in Figure 4：As different from Example 1, the middle body of rod is ladder to the embodiment 2 of rig
Axle construction, the middle body of rod of multidiameter structure include big footpath section 21 and are arranged at the path section 22 of big footpath section lower end, helical blade 3
It is arranged at 22 in path section, the external diameter of big footpath section is consistent with isometrical section of blade unit of external diameter.
The enforcement of auger stem is for example shown in Fig. 1 ~ 4：The concrete structure of auger stem and institute in above-mentioned each rig embodiment
The auger stem that states is identical, will not be described in detail herein.
The embodiment 1 of VDS bored concrete pile is as shown in Figure 5：This VDS bored concrete pile is that the VDS described in above-mentioned rig embodiment is filled
Note stake, the VDS bored concrete pile include stake holes and the concrete-pile bar 11 being placed in stake holes, and the hole wall of stake holes is by connecing with concrete-pile bar
The compacted body 10 of tactile annular is constituted, and Fig. 5 middle term 9 represents the impact body of annular compacted body periphery, and annular compacted body 10 includes annular
Ground layer, has in annular ground layer for the reducer extruding side face extruding by blade unit and submerges in the annular ground layer
Boring mud and concrete.The compacted body of annular is more than thickness of the annular compacted body corresponding to hard formation 5 corresponding to the thickness of soft formation 7
Degree, in figure item 8 represent the general stratum in top, and item 6 represents the general stratum in bottom, the hardness on general stratum between hard formation with soft
Between layer.The forming process of the VDS bored concrete pile is already described in above-mentioned rig embodiment, be will not be described in detail herein, 4 table of in figure item
Show the bottom hole compacting body being compacted due to impact because soft formation can clamp-on more boring muds and concrete, therefore with soft
The thickness of the corresponding annular compacted body in stratum will be thicker than the thickness of annular compacted body corresponding with hard formation.The present invention other
In embodiment, if auger stem after drilling if propose drilling, then Reperfu- sion concrete, or when grouting carries brill,
Auger stem does not rotate, and will only clamp-on boring mud in annular ground layer；If auger stem is used when tank will carry brill, that
Concrete will only be clamp-oned in annular ground layer.
The embodiment 2 of VDS bored concrete pile is as shown in Figure 6：The embodiment 2 of VDS bored concrete pile is different from VDS bored concrete pile embodiment 1
, the bottom of concrete-pile bar 11 extends to lithosphere 12, and therefore not have the bottom hole being compacted closely knit for the bottom hole in stake holes
Layer, the rig for being only capable of outputting rotary power can complete the construction of the bored concrete pile.
The enforcement of stake holes is for example shown in Fig. 5 ~ 6：The concrete structure of stake holes with described in above-mentioned each VDS bored concrete pile embodiment
Stake holes is identical, will not be described in detail herein.
Claims (10)
1. auger stem, including the middle body of rod and is arranged at the helical blade in intermediate bar external week, it is characterised in that：Helical blade
It is made up of at least two blade units being sequentially arranged along the hand of spiral of helical blade, wherein at least one blade unit has
Along the hand of spiral from the bottom to top width by the narrow reducer for broadening, reducer has for extruding corresponding boring mud and/or concrete
Reducer extruding side face.
2. auger stem according to claim 1, it is characterised in that：The thickness of the part or all of blade unit of reducer
Gradually the thickening spacing caused between spaced apart in the axial direction two blade units is tapered into from the bottom to top from the bottom to top.
3. auger stem according to claim 1 and 2, it is characterised in that：Blade unit is also included in reducer upper end
Along the hand of spiral consistent isometrical section of width from the bottom to top, isometrical section has for extruding the boring mud and/or concrete
Isometrical section of extruding side face, the thickness of isometrical section of part or all of blade unit are gradually thickening from the bottom to top.
4. rig, the auger stem driven including actuating unit and by actuating unit, auger stem include the middle body of rod and setting
Helical blade in intermediate bar external week, it is characterised in that：Helical blade is suitable along the hand of spiral of helical blade by least two
The blade unit of secondary setting is constituted, and wherein at least one blade unit has along the hand of spiral that width is broadened by narrow from the bottom to top
Reducer, reducer have the reducer extruding side face for extruding corresponding boring mud and/or concrete.
5. rig according to claim 4, it is characterised in that：The thickness of the part or all of blade unit of reducer by under
The supreme gradually thickening spacing caused between spaced apart in the axial direction two blade units is tapered into from the bottom to top.
6. the rig according to claim 4 or 5, it is characterised in that：Blade unit also includes the edge in reducer upper end
The hand of spiral consistent isometrical section of width from the bottom to top, isometrical section has for extruding the isometrical of the boring mud and/or concrete
Section extruding side face, the thickness of isometrical section of part or all of blade unit are gradually thickening from the bottom to top.
7. by the VDS bored concrete pile of the auger stem shaping described in claim 1, including stake holes and the concrete-pile being placed in stake holes
Bar, it is characterised in that：The hole wall of stake holes is made up of the compacted body of the annular contacted with the concrete-pile bar, and annular compacted body includes
Annular ground layer, has in annular ground layer for the reducer extruding side face extruding by blade unit and the annular ground that submerges
Boring mud and/or concrete in layer.
8. VDS bored concrete pile according to claim 7, it is characterised in that：The compacted body of annular is big corresponding to the thickness of soft formation
The thickness of hard formation is corresponded in annular compacted body.
9. by the stake holes of the auger stem shaping described in claim 1, it is characterised in that：The hole wall of stake holes is by annular compacted body structure
Become, annular compacted body includes annular ground layer, have in annular ground layer for by the reducer extruding side face extruding of blade unit
And submerge described annular ground layer in boring mud and/or concrete.
10. stake holes according to claim 9, it is characterised in that：The compacted body of annular is more than ring corresponding to the thickness of soft formation
The compacted body of shape is corresponding to the thickness of hard formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611145464.7A CN106481289B (en) | 2016-12-13 | 2016-12-13 | Auger stem, drilling machine and by the molding stake holes of auger stem and VDS bored concrete pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611145464.7A CN106481289B (en) | 2016-12-13 | 2016-12-13 | Auger stem, drilling machine and by the molding stake holes of auger stem and VDS bored concrete pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106481289A true CN106481289A (en) | 2017-03-08 |
| CN106481289B CN106481289B (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611145464.7A Active CN106481289B (en) | 2016-12-13 | 2016-12-13 | Auger stem, drilling machine and by the molding stake holes of auger stem and VDS bored concrete pile |
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| Country | Link |
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| CN (1) | CN106481289B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1085497A (en) * | 1964-11-04 | 1967-10-04 | Patents Invest And Licenses | Augers for forming holes in the ground |
| US5277254A (en) * | 1991-03-28 | 1994-01-11 | Rullman Paul B | Helical rod guide |
| JP2003056272A (en) * | 2001-08-20 | 2003-02-26 | Nippon Techno Kk | Boring screw rod |
| CN201024891Y (en) * | 2007-04-13 | 2008-02-20 | 中国京冶工程技术有限公司 | Long spiral replaced and compacted driller |
| CN102162248A (en) * | 2011-04-26 | 2011-08-24 | 武汉高铁桩工科技有限公司 | Method for forming variable-cross-section compaction thread pile and compaction drilling tool |
| CN206346718U (en) * | 2016-12-13 | 2017-07-21 | 邵金安 | A kind of auger stem, rig and the stake holes being molded by auger stem and VDS bored concrete piles |
-
2016
- 2016-12-13 CN CN201611145464.7A patent/CN106481289B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1085497A (en) * | 1964-11-04 | 1967-10-04 | Patents Invest And Licenses | Augers for forming holes in the ground |
| US5277254A (en) * | 1991-03-28 | 1994-01-11 | Rullman Paul B | Helical rod guide |
| JP2003056272A (en) * | 2001-08-20 | 2003-02-26 | Nippon Techno Kk | Boring screw rod |
| CN201024891Y (en) * | 2007-04-13 | 2008-02-20 | 中国京冶工程技术有限公司 | Long spiral replaced and compacted driller |
| CN102162248A (en) * | 2011-04-26 | 2011-08-24 | 武汉高铁桩工科技有限公司 | Method for forming variable-cross-section compaction thread pile and compaction drilling tool |
| CN206346718U (en) * | 2016-12-13 | 2017-07-21 | 邵金安 | A kind of auger stem, rig and the stake holes being molded by auger stem and VDS bored concrete piles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106481289B (en) | 2018-12-07 |
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