CN105926603A - Manufacturing equipment for Y-shaped inserting-buckling retaining wall - Google Patents
Manufacturing equipment for Y-shaped inserting-buckling retaining wall Download PDFInfo
- Publication number
- CN105926603A CN105926603A CN201610296244.8A CN201610296244A CN105926603A CN 105926603 A CN105926603 A CN 105926603A CN 201610296244 A CN201610296244 A CN 201610296244A CN 105926603 A CN105926603 A CN 105926603A
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- Prior art keywords
- tool post
- trapezoidal tool
- concrete
- stake
- pile
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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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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000002689 soil Substances 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 238000005553 drilling Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 239000004568 cement Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- 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
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)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
Manufacturing equipment for a Y-shaped inserting-buckling retaining wall comprises an inserting-buckling pile forming machine and an octagonal pile forming machine. A plurality of concrete octagonal piles at an interval of an inserting-buckling pile are manufactured, then a concrete buckle pile is manufactured within the distance between each two adjacent octagonal piles according to the abovementioned working mode of the inserting-buckling pile forming machine by the inserting-buckling pile forming machine, and a concrete inserting-buckling pile is manufactured in front of each odd-numbered concrete octagonal pile and a concrete inserting-buckling pile is manufactured behind each even-numbered concrete octagonal pile, so that a retaining wall is formed by mutual Y-shaped inserting-buckling connection of a plurality of concrete octagonal piles, the concrete inserting-buckling pile between each two adjacent octagonal piles, the concrete inserting-buckling piles in front of the odd-numbered concrete octagonal piles and the concrete inserting-buckling piles behind the even-numbered concrete octagonal piles. The retaining wall is used for the soil blocking and the leakage prevention of a building foundation.
Description
Technical field
The present invention relates to a kind of barricade and manufacture equipment, the manufacture equipment of a kind of Y shape eye-splice barricade that the eye-splice stake used in a kind of building foundation engineering is formed with the mutual eye-splice of octagon stake.
Background technology
At present, pile body formed by the cement-soil mixing pile machine of other pattern is all the assembly of multiple soil cement cylinder, be not mutual eye-splice soil cement Complex retaining wall.
Summary of the invention
The invention provides the manufacture equipment of a kind of Y shape eye-splice barricade that a kind of eye-splice stake is formed with the mutual eye-splice of octagon stake.
The present invention is achieved through the following technical solutions:
A kind of Y shape eye-splice barricade manufactures equipment, including eye-splice stake pile-formation machine and octagon stake pile-formation machine.
The concrete structure of eye-splice stake pile-formation machine includes: the middle upper portion of steel pipe support is fixed in the lower end of drilling rod one, the middle lower portion of steel pipe support is fixed on the upper end of steel plate support two, the shell middle upper portion of motor two is fixed in the lower end of steel plate support two, the front end output shaft of motor two is fixed with front semi-convex trapezoidal tool post, and the rear end output shaft of motor two is fixed with rear semi-convex trapezoidal tool post；The upper end of steel plate support one is fixed in the left end bottom of steel pipe support, the shell middle upper portion of motor one is fixed in the lower end of steel plate support one, the front end output shaft of motor one is fixed with the recessed trapezoidal tool post one of first half, and the rear end output shaft of motor one is fixed with later half recessed trapezoidal tool post one；The upper end of steel plate support three is fixed in the right-hand member bottom of steel pipe support, the shell middle upper portion of motor three is fixed in the lower end of steel plate support three, the front end output shaft of motor three is fixed with the recessed trapezoidal tool post two of first half, and the rear end output shaft of motor three is fixed with later half recessed trapezoidal tool post two；The recessed trapezoidal tool post one of first half and later half recessed trapezoidal tool post one form a umbilicate recessed trapezoidal tool post, the recessed trapezoidal tool post two of first half and later half recessed trapezoidal tool post two form another umbilicate recessed trapezoidal tool post, and the side surface of each recessed trapezoidal tool post is separately installed with multiple cutter head；Front semi-convex trapezoidal tool post and rear semi-convex trapezoidal tool post form the convex trapezoidal tool post that a centre is convex, and the side surface of convex trapezoidal tool post is provided with multiple cutter head；The convex trapezoidal of the recessed trapezoidal and convex trapezoidal tool post cross section of recessed trapezoidal tool post cross section is coincide.
Octagon stake pile-formation machine includes following structure: the upper end of the lower end fixed motor four of drilling rod two, motor four lower end is provided with change speed gear box, and the output shaft of change speed gear box lower end is fixed with drill bit two；The left end of change speed gear box, right-hand member, rear end, front end export a power transmission shaft respectively, and the outer end of each power transmission shaft fixes a tulwar respectively.
The present invention has a following feature:
The barricade that the present invention can manufacture the concrete interposing buckle pile between multiple concrete octagon stake and each two octagon stake and the anterior concrete interposing buckle pile of single sequence number concrete octagon stake, the concrete interposing buckle pile mutual Y shape eye-splice at double sequence number concrete octagon stake rear portion is connected, the gear for building basis is native, antiseep.
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with the accompanying drawings:
Fig. 1 is the front view of the present invention；
Fig. 2 is the rearview of the present invention
Fig. 3 is the A A view of Fig. 1；
Fig. 4 is the structural representation of octagon stake pile-formation machine；
Fig. 5 is the B B view of Fig. 3；
Fig. 6 is the cross-sectional view of the Y shape eye-splice barricade that eye-splice stake is formed with the mutual eye-splice of octagon stake.
In figure: 1, drilling rod one, 2, steel pipe support, 3, steel plate support one, 4, steel plate support two, 5, steel plate support three, 6, motor one, 7, motor two, 8, motor three, 9, the recessed trapezoidal tool post one of first half, 10, front semi-convex trapezoidal tool post, 11, the recessed trapezoidal tool post two of first half, 12, cutter head, 13, later half recessed trapezoidal tool post one, 14, rear semi-convex trapezoidal tool post, 15, later half recessed trapezoidal tool post two, 16, output shaft；21, drilling rod two, 22, motor four, 23, change speed gear box, 24, drill bit two, 25, power transmission shaft, 26, tulwar.
Detailed description of the invention
Accompanying drawing is a kind of specific embodiment of the present invention, and this embodiment includes eye-splice stake pile-formation machine and octagon stake pile-formation machine.
Eye-splice stake pile-formation machine includes the structure in Fig. 1, Fig. 2, Fig. 3, concrete structure is: the middle upper portion of steel pipe support 2 is fixed in the lower end of drilling rod 1, the middle lower portion of steel pipe support is fixed on the upper end of steel plate support 24, the shell middle upper portion of motor 27 is fixed in the lower end of steel plate support two, the front end output shaft 16 of motor two is fixed with front semi-convex trapezoidal tool post 10, and the rear end output shaft of motor two is fixed with rear semi-convex trapezoidal tool post 14；The upper end of steel plate support 1 is fixed in the left end bottom of steel pipe support, the shell middle upper portion of motor 1 is fixed in the lower end of steel plate support one, the front end output shaft 16 of motor one is fixed with the recessed trapezoidal tool post 1 of first half, and the rear end output shaft of motor one is fixed with later half recessed trapezoidal tool post 1；The upper end of steel plate support 35 is fixed in the right-hand member bottom of steel pipe support, the shell middle upper portion of motor 38 is fixed in the lower end of steel plate support three, the front end output shaft of motor three is fixed with the recessed trapezoidal tool post 2 11 of first half, and the rear end output shaft of motor three is fixed with later half recessed trapezoidal tool post 2 15；The recessed trapezoidal tool post one of first half and later half recessed trapezoidal tool post one form a umbilicate recessed trapezoidal tool post, the recessed trapezoidal tool post two of first half and later half recessed trapezoidal tool post two form another umbilicate recessed trapezoidal tool post, and the side surface of each recessed trapezoidal tool post is separately installed with multiple cutter head 12；Front semi-convex trapezoidal tool post and rear semi-convex trapezoidal tool post form the convex trapezoidal tool post that a centre is convex, and the side surface of convex trapezoidal tool post is provided with multiple cutter head 12；The convex trapezoidal of the recessed trapezoidal and convex trapezoidal tool post cross section of recessed trapezoidal tool post cross section is coincide.
Eye-splice stake pile-formation machine is also equipped with grouting pump, during work, the position between grouting pump trapezoidal tool post recessed to the left side and the convex trapezoidal tool post in centre and between the convex trapezoidal tool post of the recessed trapezoidal tool post in the right and centre irrigates water under high pressure respectively, motor one drives the recessed trapezoidal tool post one of first half and the rotating forward of later half recessed trapezoidal tool post one, motor three drives the recessed trapezoidal tool post two of first half and the reversion of later half recessed trapezoidal tool post two, motor two drives front semi-convex trapezoidal tool post to rotate forward, after motor two drives, semi-convex trapezoidal tool post inverts, the recessed trapezoidal tool post one of first half, later half recessed trapezoidal tool post one, the recessed trapezoidal tool post two of first half, later half recessed trapezoidal tool post two and front semi-convex trapezoidal tool post, rear semi-convex trapezoidal tool post in rotation by the soil cutting of its lower end；Left end is cut into recessed bathrocephaly in rotation by the recessed trapezoidal tool post one of first half, later half recessed trapezoidal tool post one, and right-hand member is cut into recessed bathrocephaly in rotation by the recessed trapezoidal tool post two of first half, later half recessed trapezoidal tool post two；The soil body machined away is mixed in mud, and water under high pressure constantly fills, and mud constantly flows out from hole, and drilling rod one forms about one two ends during being pressed into downwards and is respectively provided with the hole of recessed bathrocephaly, casting concrete, formation concrete interposing buckle pile in this hole.
Octagon stake pile-formation machine includes the structure in Fig. 4, Fig. 5；Concrete structure is as follows: the upper end of the lower end fixed motor 4 22 of drilling rod 2 21, and motor four lower end is provided with change speed gear box 23, and the output shaft of change speed gear box lower end is fixed with drill bit 2 24；The left end of change speed gear box, right-hand member, front end, rear end export a power transmission shaft 25 respectively, and the outer end of each power transmission shaft fixes a tulwar 26 respectively.
The specific works mode of octagon stake pile-formation machine is as follows: during work, grouting pump irrigates water under high pressure to drill bit two, motor four drives change speed gear box to operate, change speed gear box drives drill bit two to rotate in operation process, drill bit two in rotary course by the soil cutting of drill bit two lower end；Change speed gear box drives left end, right-hand member, front end, the power transmission shaft of rear end to drive a tulwar to rotate respectively in operation process respectively, and the circular cut that drill bit two is formed is become octagon in rotary course by four tulwars；The soil body machined away is mixed in mud, and water under high pressure constantly fills, and mud constantly flows out from octagon hole, and drilling rod two forms the octagon hole of certain depth during being pressed into, casting concrete, formation concrete octagon stake in this hole.
The convex trapezoidal of the recessed trapezoidal and octagon each edge place of eye-splice stake is coincide.
The working method that eye-splice stake pile-formation machine manufactures Y shape eye-splice barricade with octagon stake pile-formation machine associated working is as follows: in the original position needing pile axis, 1. number concrete octagon stake is manufactured according to the working method of above-mentioned octagon stake pile-formation machine with octagon stake pile-formation machine, right lateral side in 1. number octagon stake is spaced the distance of an eye-splice stake and manufactures 2. number concrete octagon stake, forward right side in 2. number octagon stake is spaced the distance of an eye-splice stake and manufactures 3. number concrete octagon stake, right lateral side in 3. number octagon stake is spaced the distance of an eye-splice stake and manufactures 4. number concrete octagon stake, so manufacture one, multiple intervals eye-splice pilespacing from concrete octagon stake；When the concrete strength of the octagon stake on both sides reaches a timing, again in the distance between the octagon stake that each two is adjacent, manufacture a concrete interposing buckle pile with eye-splice stake pile-formation machine according to the working method of above-mentioned eye-splice stake pile-formation machine, make the recessed trapezoidal octagon stake being fit to eye-splice stake two ends convex trapezoidal at each eye-splice stake two ends；Front portion in each single sequence number concrete octagon stake, manufacture a concrete interposing buckle pile, the recessed trapezoidal of this eye-splice stake is made to be fit to the convex trapezoidal of octagon stake, rear portion each pair of sequence number concrete octagon stake, manufacture a concrete interposing buckle pile, make the recessed trapezoidal of this eye-splice stake be fit to the convex trapezoidal of octagon stake；Be thusly-formed the concrete interposing buckle pile between multiple concrete octagon stake and each two octagon stake and the anterior concrete interposing buckle pile of single sequence number concrete octagon stake, barricade that the concrete interposing buckle pile mutual Y shape eye-splice at double sequence number concrete octagon stake rear portion is connected, the gear for building basis is native, antiseep.
Claims (3)
1. Y shape eye-splice barricade manufactures an equipment, including eye-splice stake pile-formation machine and octagon stake pile-formation machine；It is characterized in that:
The concrete structure of described eye-splice stake pile-formation machine includes: the middle upper portion of steel pipe support (2) is fixed in the lower end of drilling rod one (1), the middle lower portion of steel pipe support is fixed on the upper end of steel plate support two (4), the shell middle upper portion of motor two (7) is fixed in the lower end of steel plate support two, the front end output shaft (16) of motor two is fixed with front semi-convex trapezoidal tool post (10), and the rear end output shaft of motor two is fixed with rear semi-convex trapezoidal tool post (14)；The upper end of steel plate support one (3) is fixed in the left end bottom of steel pipe support, the shell middle upper portion of motor one (6) is fixed in the lower end of steel plate support one, the front end output shaft (16) of motor one is fixed with the recessed trapezoidal tool post one (9) of first half, and the rear end output shaft of motor one is fixed with later half recessed trapezoidal tool post one (13)；The upper end of steel plate support three (5) is fixed in the right-hand member bottom of steel pipe support, the shell middle upper portion of motor three (8) is fixed in the lower end of steel plate support three, the front end output shaft of motor three is fixed with the recessed trapezoidal tool post two (11) of first half, and the rear end output shaft of motor three is fixed with later half recessed trapezoidal tool post two (15)；The recessed trapezoidal tool post one of first half and later half recessed trapezoidal tool post one form a umbilicate recessed trapezoidal tool post, the recessed trapezoidal tool post two of first half and later half recessed trapezoidal tool post two form another umbilicate recessed trapezoidal tool post, and the side surface of each recessed trapezoidal tool post is separately installed with multiple cutter head (12)；Front semi-convex trapezoidal tool post and rear semi-convex trapezoidal tool post form the convex trapezoidal tool post that a centre is convex, and the side surface of convex trapezoidal tool post is provided with multiple cutter head (12)；
During the work of described eye-splice stake pile-formation machine, the position between grouting pump trapezoidal tool post recessed to the left side and the convex trapezoidal tool post in centre and between the convex trapezoidal tool post of the recessed trapezoidal tool post in the right and centre irrigates water under high pressure respectively, motor one drives the recessed trapezoidal tool post one of first half and the rotating forward of later half recessed trapezoidal tool post one, motor three drives the recessed trapezoidal tool post two of first half and the reversion of later half recessed trapezoidal tool post two, motor two drives front semi-convex trapezoidal tool post to rotate forward, after motor two drives, semi-convex trapezoidal tool post inverts, the recessed trapezoidal tool post one of first half, later half recessed trapezoidal tool post one, the recessed trapezoidal tool post two of first half, later half recessed trapezoidal tool post two and front semi-convex trapezoidal tool post, rear semi-convex trapezoidal tool post in rotation by the soil cutting of its lower end；Left end is cut into recessed bathrocephaly in rotation by the recessed trapezoidal tool post one of first half, later half recessed trapezoidal tool post one, and right-hand member is cut into recessed bathrocephaly in rotation by the recessed trapezoidal tool post two of first half, later half recessed trapezoidal tool post two；The soil body machined away is mixed in mud, and water under high pressure constantly fills, and mud constantly flows out from hole, and drilling rod one forms about one two ends during being pressed into downwards and is respectively provided with the hole of recessed bathrocephaly, casting concrete, formation concrete interposing buckle pile in this hole；
The concrete structure of described octagon stake pile-formation machine includes: the upper end of the lower end fixed motor 4 22 of drilling rod 2 21, and motor four lower end is provided with change speed gear box 23, and the output shaft of change speed gear box lower end is fixed with drill bit 2 24；The left end of change speed gear box, right-hand member, front end, rear end export a power transmission shaft 25 respectively, and the outer end of each power transmission shaft fixes a tulwar 26 respectively；
The specific works mode of described octagon stake pile-formation machine: during work, grouting pump irrigates water under high pressure to drill bit two, motor four drives change speed gear box to operate, change speed gear box drives drill bit two to rotate in operation process, drill bit two in rotary course by the soil cutting of drill bit two lower end；Change speed gear box drives left end, right-hand member, front end, the power transmission shaft of rear end to drive a tulwar to rotate respectively in operation process respectively, and the circular cut that drill bit two is formed is become octagon in rotary course by four tulwars；The soil body machined away is mixed in mud, and water under high pressure constantly fills, and mud constantly flows out from octagon hole, and drilling rod two forms the octagon hole of certain depth during being pressed into, casting concrete, formation concrete octagon stake in this hole；
Described eye-splice stake pile-formation machine manufactures the working method of Y shape eye-splice barricade with octagon stake pile-formation machine associated working: in the original position needing pile axis, 1. number concrete octagon stake is manufactured according to the working method of above-mentioned octagon stake pile-formation machine with octagon stake pile-formation machine, right lateral side in 1. number octagon stake is spaced the distance of an eye-splice stake and manufactures 2. number concrete octagon stake, forward right side in 2. number octagon stake is spaced the distance of an eye-splice stake and manufactures 3. number concrete octagon stake, right lateral side in 3. number octagon stake is spaced the distance of an eye-splice stake and manufactures 4. number concrete octagon stake, so manufacture one, multiple intervals eye-splice pilespacing from concrete octagon stake；When the concrete strength of the octagon stake on both sides reaches a timing, again in the distance between the octagon stake that each two is adjacent, manufacture a concrete interposing buckle pile with eye-splice stake pile-formation machine according to the working method of above-mentioned eye-splice stake pile-formation machine, make the recessed trapezoidal octagon stake being fit to eye-splice stake two ends convex trapezoidal at each eye-splice stake two ends；Front portion in each single sequence number concrete octagon stake, manufacture a concrete interposing buckle pile, the recessed trapezoidal of this eye-splice stake is made to be fit to the convex trapezoidal of octagon stake, rear portion each pair of sequence number concrete octagon stake, manufacture a concrete interposing buckle pile, make the recessed trapezoidal of this eye-splice stake be fit to the convex trapezoidal of octagon stake；Be thusly-formed the concrete interposing buckle pile between multiple concrete octagon stake and each two octagon stake and the anterior concrete interposing buckle pile of single sequence number concrete octagon stake, barricade that the concrete interposing buckle pile mutual Y shape eye-splice at double sequence number concrete octagon stake rear portion is connected, the gear for building basis is native, antiseep.
2. manufacture equipment according to a kind of Y shape eye-splice barricade described in claim, it is characterised in that: the convex trapezoidal of the recessed trapezoidal and octagon each edge place of described eye-splice stake is coincide.
3. manufacture equipment according to a kind of Y shape eye-splice barricade described in claim, it is characterised in that: the convex trapezoidal of the recessed trapezoidal and convex trapezoidal tool post cross section of the recessed trapezoidal tool post cross section of described eye-splice stake pile-formation machine is coincide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610296244.8A CN105926603A (en) | 2016-05-09 | 2016-05-09 | Manufacturing equipment for Y-shaped inserting-buckling retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610296244.8A CN105926603A (en) | 2016-05-09 | 2016-05-09 | Manufacturing equipment for Y-shaped inserting-buckling retaining wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105926603A true CN105926603A (en) | 2016-09-07 |
Family
ID=56834627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610296244.8A Withdrawn CN105926603A (en) | 2016-05-09 | 2016-05-09 | Manufacturing equipment for Y-shaped inserting-buckling retaining wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105926603A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735301A (en) * | 2016-05-09 | 2016-07-06 | 吕文娥 | Buckled cross-shaped pile wall |
| CN105821871A (en) * | 2016-05-09 | 2016-08-03 | 吕文娥 | Inserting opening connection type V-shaped broken-line pile wall |
| CN105862826A (en) * | 2016-05-09 | 2016-08-17 | 吕文娥 | Y-shaped socket buckling connection piling wall |
| CN105862825A (en) * | 2016-05-09 | 2016-08-17 | 吕文娥 | Y-shaped socket buckling connection piling wall |
-
2016
- 2016-05-09 CN CN201610296244.8A patent/CN105926603A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735301A (en) * | 2016-05-09 | 2016-07-06 | 吕文娥 | Buckled cross-shaped pile wall |
| CN105821871A (en) * | 2016-05-09 | 2016-08-03 | 吕文娥 | Inserting opening connection type V-shaped broken-line pile wall |
| CN105862826A (en) * | 2016-05-09 | 2016-08-17 | 吕文娥 | Y-shaped socket buckling connection piling wall |
| CN105862825A (en) * | 2016-05-09 | 2016-08-17 | 吕文娥 | Y-shaped socket buckling connection piling wall |
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Application publication date: 20160907 |
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| WW01 | Invention patent application withdrawn after publication |