CN105672270A - H-shaped single inserting-buckling drilling and stirring machine - Google Patents
H-shaped single inserting-buckling drilling and stirring machine Download PDFInfo
- Publication number
- CN105672270A CN105672270A CN201511035736.3A CN201511035736A CN105672270A CN 105672270 A CN105672270 A CN 105672270A CN 201511035736 A CN201511035736 A CN 201511035736A CN 105672270 A CN105672270 A CN 105672270A
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- driven device
- shaped
- fixed
- armstand
- rotation
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- 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.)
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- 238000003756 stirring Methods 0.000 title claims abstract description 31
- 238000005553 drilling Methods 0.000 title claims abstract description 14
- 239000002689 soil Substances 0.000 claims abstract description 46
- 239000004568 cement Substances 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims description 26
- 235000013351 cheese Nutrition 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000005520 cutting process Methods 0.000 claims description 10
- 239000011083 cement mortar Substances 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
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- 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
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/001—Drilling a non circular hole
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/16—Shapes
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Structural Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paleontology (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses an H-shaped single inserting-buckling drilling and stirring machine. A plurality of H-shaped cement soil inserting-buckling piles arranged at every other distance of one H-shaped inserting-buckling pile are manufactured. When the strength of the cement soil of the H-shaped inserting-buckling piles on the two sides reaches a certain degree, an H-shaped hole is manufactured between every two adjacent H-shaped cement soil inserting-buckling piles according to the work mode that an H-shaped pile drilling and stirring machine manufactures H-shaped holes. Concrete is poured in the H-shaped holes to form the H-shaped concrete inserting-buckling piles. A concave round head at the front right end of the H-shaped inserting-buckling pile between every two adjacent H-shaped cement soil inserting-buckling piles is matched with a convex round head at the front left end of the H-shaped cement soil inserting-buckling pile on the right side, a convex round head at the front left end of the H-shaped inserting-buckling pile between every two adjacent H-shaped cement soil inserting-buckling piles is matched with a concave round head at the front right end of the H-shaped cement soil inserting-buckling pile on the left side, and accordingly, a pile wall formed through mutually inserting and buckling of the H-shaped cement soil inserting-buckling piles and the H-shaped concrete inserting-buckling piles which are arranged at intervals is formed and used for soil blocking and seepage preventing of a building foundation.
Description
Technical field
The present invention relates to a kind of boring and stir machine, the H-shaped list eye-splice particularly used in a kind of building foundation engineering is bored and is stirred machine.
Background technology
At present, pile body formed by the Soil-cement rig of other pattern is all the assembly of multiple soil cement cylinder, be not mutual eye-splice H-shaped cement-soil pile.
Summary of the invention
The present invention compensate for disadvantage mentioned above, it is provided that a kind of H-shaped list eye-splice that can manufacture soil cement H-shaped pile body and the concrete mutual eye-splice of H pile body is bored and stirred machine.
The present invention is achieved through the following technical solutions:
A kind of H-shaped list eye-splice is bored and is stirred machine, anterior cross bar one, the cross bar two at rear portion and the cross bar three of centre are fixed together, form a H surname framework, cross bar three middle upper portion is fixed with support bar, cross bar three middle lower portion is fixed with armstand seven, armstand seven lower end is fixed with motor, the lower end of motor is fixed with driven device seven, the middle lower end of cross bar one is fixed with armstand one, the lower end of armstand one is fixed with driven device one, the left end bottom of cross bar one is fixed with armstand two, the lower end of armstand two is fixed with driven device two, the right-hand member bottom of cross bar one is fixed with armstand three, the lower end of armstand three is fixed with driven device three, the middle lower end of cross bar two is fixed with armstand four, the lower end of armstand four is fixed with driven device four, the left end bottom of cross bar two is fixed with armstand five, the lower end of armstand five is fixed with driven device five, the right-hand member bottom of cross bar two is fixed with armstand six, the lower end of armstand six is fixed with driven device six, driven device one, driven device two, driven device three, driven device four, driven device five, driven device six, driven device seven lower end be respectively equipped with a drilling rod, the lower end of each drilling rod is respectively equipped with a drill bit, a rotating shaft one it is respectively equipped with between driven device one and driven device three, between driven device one and driven device two, between driven device one and driven device seven, between driven device four and driven device five, between driven device four and driven device six, between driven device four and driven device seven, a fixed arm is fixed on the middle both sides of every rotating shaft one respectively, and the outer end of each fixed arm fixes a stirring arm respectively, the right back of driven device three and right front export a rotating shaft two respectively, and each rotating shaft two is fixed two curved knife respectively, the circular arc that curved knife in driven device three right back rotating shaft two the is formed equal diameters that afterwards form a big circular arc, this circular arc place diameter of a circle and drill bit relative to the circular arc that the curved knife in right front rotating shaft two is formed.
The present invention has following feature:
The present invention can manufacture the piling wall of soil cement H-shaped pile body and the concrete mutual eye-splice of H pile body, for the gear soil on building basis, antiseep.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated:
Fig. 1 is the front view of the present invention;
Fig. 2 is the reverse view of the present invention;
Fig. 3 is the A-A direction view of Fig. 1;
Fig. 4 is the B-B view of Fig. 1;
Fig. 5 is the C-C direction view of Fig. 1;
Fig. 6 is the eye-splice figure of multiple eye-splice stake.
In figure: 1, support bar, 2, motor, 3, driven device one, 4, driven device two, 5, driven device three, 6, cross bar one, 7, armstand one, 8, rotating shaft one, 9, stirring arm, 10, armstand two, 11, armstand three, 12, drilling rod, 13, drill bit, 14, rotating shaft two, 15, curved knife, 16, armstand seven, 17, driven device seven, 18, cross bar two, 19, armstand four, 20, armstand five, 21, armstand six, 22, driven device four, 23, driven device five, 24, driven device six, 25, fixed arm, 26, cross bar three.
Detailed description of the invention
Accompanying drawing is a kind of specific embodiment of the present invention, the cross bar 1 that this embodiment is anterior, the cross bar 2 18 at rear portion and the cross bar 3 26 of centre are fixed together, form a H-shaped framework, cross bar three middle upper portion is fixed with support bar 1, cross bar three middle lower portion is fixed with armstand 7 16, armstand seven lower end is fixed with motor 2, the lower end of motor is fixed with driven device 7 17, the middle lower end of cross bar one is fixed with armstand 1, the lower end of armstand one is fixed with driven device 1, the left end bottom of cross bar one is fixed with armstand 2 10, the lower end of armstand two is fixed with driven device 24, the right-hand member bottom of cross bar one is fixed with armstand 3 11, the lower end of armstand three is fixed with driven device 35, the middle lower end of cross bar two is fixed with armstand 4 19, the lower end of armstand four is fixed with driven device 4 22, the left end bottom of cross bar two is fixed with armstand 5 20, the lower end of armstand five is fixed with driven device 5 23, the right-hand member bottom of cross bar two is fixed with armstand 6 21, the lower end of armstand six is fixed with driven device 6 24, driven device one, driven device two, driven device three, driven device four, driven device five, driven device six, driven device seven lower end be respectively equipped with a drilling rod 12, the lower end of each drilling rod is respectively equipped with a drill bit 13, a rotating shaft 1 it is respectively equipped with between driven device one and driven device three, between driven device one and driven device two, between driven device one and driven device seven, between driven device four and driven device five, between driven device four and driven device six, between driven device four and driven device seven, a fixed arm 25 is fixed on the middle both sides of every rotating shaft one respectively, and the outer end of each fixed arm fixes a stirring arm 9 respectively, the right back of driven device three and right front export a rotating shaft 2 14 respectively, and each rotating shaft two is fixed two curved knife 15 respectively, the circular arc that curved knife in driven device three right back rotating shaft two the is formed equal diameters that afterwards form a big circular arc, this circular arc place diameter of a circle and drill bit relative to the circular arc that the curved knife in right front rotating shaft two is formed.
Stirring arm in three rotating shafts one of driven device one output differs certain angle in rotation, is independent of each other mutually in rotation.
Stirring arm in three rotating shafts one of driven device four output differs certain angle in rotation, is independent of each other mutually in rotation.
The present invention manufactures the working method of soil cement H stake: during work, each drill bit is injected separately into cement mortar by grouting pump, motor drives driven device seven to operate, driven device seven drives driven device one, driven device four to operate respectively through the rotation of former and later two rotating shafts one in operation process, the on-stream rotation respectively through two rotating shafts one in left and right of driven device one drives driven device two, driven device three to operate, and the on-stream rotation respectively through two rotating shafts one in left and right of driven device four drives driven device five, driven device six to operate; Driven device three drives the rotating shaft two of right back synchronous axial system relative to the rotating shaft two of right front respectively in operation process; Driven device one, driven device two, driven device three, driven device four, driven device five, driven device six, driven device seven drive drill bit to rotate respectively through the drilling rod of its lower end, and the earth of its lower end is cut and cement mortar stirring by seven drill bits in rotation; Six rotating shafts one drive two fixed arms in each rotating shaft one to drive a stirring arm rotation around the shaft respectively in rotation, stirring arm by cutting and cement mortar stirring less than the part earth of bit diameter between each two drill bit, thus becomes H-shaped cement earth pile in rotation process;The curved knife in difference drive shaft two in rotation of two rotating shafts two on driven device three rotates, the soil cutting of the termination of right part and cement mortar are stirred into recessed round end by curved knife in rotation, and cheese head formed by this recessed round end and the drill bit of left part driven device two lower end matches; Support bar is pressed into downwards in process and forms left front end with cheese head, right front ends with the H-shaped eye-splice stake of recessed round end.
The present invention manufactures the working method of concrete H stake: during work, each drill bit is injected separately into water under high pressure by grouting pump, motor drives driven device seven to operate, driven device seven drives driven device one, driven device four to operate respectively through the rotation of former and later two rotating shafts one in operation process, the on-stream rotation respectively through two rotating shafts one in left and right of driven device one drives driven device two, driven device three to operate, and the on-stream rotation respectively through two rotating shafts one in left and right of driven device four drives driven device five, driven device six to operate; Driven device three drives the rotating shaft two of right back synchronous axial system relative to the rotating shaft two of right front respectively in operation process; Driven device one, driven device two, driven device three, driven device four, driven device five, driven device six, driven device seven drive drill bit to rotate respectively through the drilling rod of its lower end, and the soil cutting of its lower end is stirred by seven drill bits in rotation; Six rotating shafts one drive two fixed arms in each rotating shaft one to drive a stirring arm rotation around the shaft respectively in rotation, and stirring arm will cut stirring less than the part earth of bit diameter between each two drill bit in rotation process; Two rotating shafts two on driven device three in rotation respectively the curved knife in drive shaft two rotate, the soil cutting of the termination of right part is become recessed round end by curved knife in rotation, and cheese head formed by this recessed round end and the drill bit of left part driven device two lower end matches; The soil body of cutting is mixed in mud, and water under high pressure constantly injects, and mud constantly flows out from hole, and support bar is pressed into downwards in process and forms left front end with cheese head, right front ends with the H-shaped hole of recessed round end.
It is as follows with the working method of the piling wall of H-shaped concrete-pile mutual round end eye-splice that the present invention manufactures H-shaped cement earth pile: first in the original position needing pile axis, bore, with H stake, the machine that stirs and bore working method one the soil cement H-shaped eye-splice stake of manufacture stirring machine manufacture cement earth pile according to above-mentioned H stake, on the right side of this H-shaped eye-splice stake, the distance of one the H-shaped eye-splice stake in interval remanufacture second soil cement H-shaped eye-splice stake, so manufacture one, multiple intervals H-shaped eye-splice pilespacing from multiple soil cement H-shaped eye-splice stakes, when the soil cement intensity of the H-shaped eye-splice stake on both sides reaches some strength, the working method stirring machine manufacture H-shaped hole of boring according to above-mentioned H stake in spacing between each two soil cement H-shaped eye-splice stake manufactures a H-shaped hole respectively again, casting concrete in this H-shaped hole, form concrete H-shaped eye-splice stake, the recessed round end making the concrete H-shaped eye-splice stake right front ends between each two soil cement H-shaped eye-splice stake is fit to the cheese head of the right soil cement H-shaped left front end of eye-splice stake, the cheese head of the concrete H-shaped left front end of eye-splice stake between each two soil cement H-shaped eye-splice stake is fit to the recessed round end of left side soil cement H-shaped eye-splice stake right front ends, it is thusly-formed soil cement H-shaped eye-splice stake and concrete H-shaped eye-splice stake and is spaced the piling wall of mutual eye-splice, gear soil for building basis, antiseep.
Claims (1)
1. a H-shaped list eye-splice is bored and is stirred machine, anterior cross bar 1, the cross bar 2 18 at rear portion and the cross bar 3 26 of centre are fixed together, form a H-shaped framework, cross bar three middle upper portion is fixed with support bar 1, cross bar three middle lower portion is fixed with armstand 7 16, armstand seven lower end is fixed with motor 2, the lower end of motor is fixed with driven device 7 17, the middle lower end of cross bar one is fixed with armstand 1, the lower end of armstand one is fixed with driven device 1, the left end bottom of cross bar one is fixed with armstand 2 10, the lower end of armstand two is fixed with driven device 24, the right-hand member bottom of cross bar one is fixed with armstand 3 11, the lower end of armstand three is fixed with driven device 35, the middle lower end of cross bar two is fixed with armstand 4 19, the lower end of armstand four is fixed with driven device 4 22, the left end bottom of cross bar two is fixed with armstand 5 20, the lower end of armstand five is fixed with driven device 5 23, the right-hand member bottom of cross bar two is fixed with armstand 6 21, the lower end of armstand six is fixed with driven device 6 24,Driven device one, driven device two, driven device three, driven device four, driven device five, driven device six, driven device seven lower end be respectively equipped with a drilling rod 12, the lower end of each drilling rod is respectively equipped with a drill bit 13; A rotating shaft 1 it is respectively equipped with between driven device one and driven device three, between driven device one and driven device two, between driven device one and driven device seven, between driven device four and driven device five, between driven device four and driven device six, between driven device four and driven device seven, a fixed arm 25 is fixed on the middle both sides of every rotating shaft one respectively, and the outer end of each fixed arm fixes a stirring arm 9 respectively; The right back of driven device three and right front export a rotating shaft 2 14 respectively, and each rotating shaft two is fixed two curved knife 15 respectively; The circular arc that curved knife in driven device three right back rotating shaft two the is formed equal diameters that afterwards form a big circular arc, this circular arc place diameter of a circle and drill bit relative to the circular arc that the curved knife in right front rotating shaft two is formed; It is characterized in that:
Bore the machine that stirs and manufacture the working method of soil cement H stake: during work, each drill bit is injected separately into cement mortar by grouting pump, motor drives driven device seven to operate, driven device seven drives driven device one, driven device four to operate respectively through the rotation of former and later two rotating shafts one in operation process, the on-stream rotation respectively through two rotating shafts one in left and right of driven device one drives driven device two, driven device three to operate, and the on-stream rotation respectively through two rotating shafts one in left and right of driven device four drives driven device five, driven device six to operate; Driven device three drives the rotating shaft two of right back synchronous axial system relative to the rotating shaft two of right front respectively in operation process; Driven device one, driven device two, driven device three, driven device four, driven device five, driven device six, driven device seven drive drill bit to rotate respectively through the drilling rod of its lower end, and the earth of its lower end is cut and cement mortar stirring by seven drill bits in rotation; Six rotating shafts one drive two fixed arms in each rotating shaft one to drive a stirring arm rotation around the shaft respectively in rotation, stirring arm by cutting and cement mortar stirring less than the part earth of bit diameter between each two drill bit, thus becomes H-shaped cement earth pile in rotation process; The curved knife in difference drive shaft two in rotation of two rotating shafts two on driven device three rotates, the soil cutting of the termination of right part and cement mortar are stirred into recessed round end by curved knife in rotation, and cheese head formed by this recessed round end and the drill bit of left part driven device two lower end matches; Support bar is pressed into downwards in process and forms left front end with cheese head, right front ends with the H-shaped eye-splice stake of recessed round end.
The present invention manufactures the working method of concrete H stake: during work, each drill bit is injected separately into water under high pressure by grouting pump, motor drives driven device seven to operate, driven device seven drives driven device one, driven device four to operate respectively through the rotation of former and later two rotating shafts one in operation process, the on-stream rotation respectively through two rotating shafts one in left and right of driven device one drives driven device two, driven device three to operate, and the on-stream rotation respectively through two rotating shafts one in left and right of driven device four drives driven device five, driven device six to operate; Driven device three drives the rotating shaft two of right back synchronous axial system relative to the rotating shaft two of right front respectively in operation process; Driven device one, driven device two, driven device three, driven device four, driven device five, driven device six, driven device seven drive drill bit to rotate respectively through the drilling rod of its lower end, and the soil cutting of its lower end is stirred by seven drill bits in rotation;Six rotating shafts one drive two fixed arms in each rotating shaft one to drive a stirring arm rotation around the shaft respectively in rotation, and stirring arm will cut stirring less than the part earth of bit diameter between each two drill bit in rotation process; Two rotating shafts two on driven device three in rotation respectively the curved knife in drive shaft two rotate, the soil cutting of the termination of right part is become recessed round end by curved knife in rotation, and cheese head formed by this recessed round end and the drill bit of left part driven device two lower end matches; The soil body of cutting is mixed in mud, and water under high pressure constantly injects, and mud constantly flows out from hole, and support bar is pressed into downwards in process and forms left front end with cheese head, right front ends with the H-shaped hole of recessed round end.
It is as follows with the working method of the piling wall of H-shaped concrete-pile mutual round end eye-splice that the present invention manufactures H-shaped cement earth pile: first in the original position needing pile axis, bore, with H stake, the machine that stirs and bore working method one the soil cement H-shaped eye-splice stake of manufacture stirring machine manufacture cement earth pile according to above-mentioned H stake, on the right side of this H-shaped eye-splice stake, the distance of one the H-shaped eye-splice stake in interval remanufacture second soil cement H-shaped eye-splice stake, so manufacture one, multiple intervals H-shaped eye-splice pilespacing from multiple soil cement H-shaped eye-splice stakes, when the soil cement intensity of the H-shaped eye-splice stake on both sides reaches some strength, the working method stirring machine manufacture H-shaped hole of boring according to above-mentioned H stake in spacing between each two soil cement H-shaped eye-splice stake manufactures a H-shaped hole respectively again, casting concrete in this H-shaped hole, form concrete H-shaped eye-splice stake, the recessed round end making the concrete H-shaped eye-splice stake right front ends between each two soil cement H-shaped eye-splice stake is fit to the cheese head of the right soil cement H-shaped left front end of eye-splice stake, the cheese head of the concrete H-shaped left front end of eye-splice stake between each two soil cement H-shaped eye-splice stake is fit to the recessed round end of left side soil cement H-shaped eye-splice stake right front ends, it is thusly-formed soil cement H-shaped eye-splice stake and concrete H-shaped eye-splice stake and is spaced the piling wall of mutual eye-splice, gear soil for building basis, antiseep.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511035736.3A CN105672270A (en) | 2015-12-31 | 2015-12-31 | H-shaped single inserting-buckling drilling and stirring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511035736.3A CN105672270A (en) | 2015-12-31 | 2015-12-31 | H-shaped single inserting-buckling drilling and stirring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105672270A true CN105672270A (en) | 2016-06-15 |
Family
ID=56190070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511035736.3A Withdrawn CN105672270A (en) | 2015-12-31 | 2015-12-31 | H-shaped single inserting-buckling drilling and stirring machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105672270A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1126264A (en) * | 1994-12-26 | 1996-07-10 | 石寅生 | Making method for non-annular borehole cast-in-place pile |
| JP2010007329A (en) * | 2008-06-26 | 2010-01-14 | Sumitomo Forestry Co Ltd | Agitating device for columnar improvement |
| JP2013019260A (en) * | 2011-06-17 | 2013-01-31 | Nagaigumi Co Ltd | Drilling equipment and construction method for sheet pile |
| CN104863142A (en) * | 2015-06-05 | 2015-08-26 | 张璐 | Pentagonal prism composite soil pile machine |
| CN105133584A (en) * | 2015-08-09 | 2015-12-09 | 刘玉燕 | Socket pile molding device |
| CN105484238A (en) * | 2015-12-31 | 2016-04-13 | 卢兴耐 | H-shaped single-eye-spliced drilling and mixing machine |
| CN105649043A (en) * | 2015-12-31 | 2016-06-08 | 卢兴耐 | H-shaped single inserting and buckling drilling and stirring machine |
-
2015
- 2015-12-31 CN CN201511035736.3A patent/CN105672270A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1126264A (en) * | 1994-12-26 | 1996-07-10 | 石寅生 | Making method for non-annular borehole cast-in-place pile |
| JP2010007329A (en) * | 2008-06-26 | 2010-01-14 | Sumitomo Forestry Co Ltd | Agitating device for columnar improvement |
| JP2013019260A (en) * | 2011-06-17 | 2013-01-31 | Nagaigumi Co Ltd | Drilling equipment and construction method for sheet pile |
| CN104863142A (en) * | 2015-06-05 | 2015-08-26 | 张璐 | Pentagonal prism composite soil pile machine |
| CN105133584A (en) * | 2015-08-09 | 2015-12-09 | 刘玉燕 | Socket pile molding device |
| CN105484238A (en) * | 2015-12-31 | 2016-04-13 | 卢兴耐 | H-shaped single-eye-spliced drilling and mixing machine |
| CN105649043A (en) * | 2015-12-31 | 2016-06-08 | 卢兴耐 | H-shaped single inserting and buckling drilling and stirring machine |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160615 |
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| WW01 | Invention patent application withdrawn after publication |