CN105649034A - Rectangular lock catch equipment for T-shaped piles and rectangular piles - Google Patents
Rectangular lock catch equipment for T-shaped piles and rectangular piles Download PDFInfo
- Publication number
- CN105649034A CN105649034A CN201511012384.XA CN201511012384A CN105649034A CN 105649034 A CN105649034 A CN 105649034A CN 201511012384 A CN201511012384 A CN 201511012384A CN 105649034 A CN105649034 A CN 105649034A
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- China
- Prior art keywords
- concrete
- rectangle
- pile
- rectangular
- driving mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- E02D5/18—Bulkheads or similar walls made solely of concrete in situ
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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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E02D2200/1628—Shapes rectangular
-
- 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
- E02D2200/165—Shapes polygonal
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
Abstract
The invention discloses rectangular lock catch equipment for T-shaped piles and rectangular piles. A plurality of concrete T-shaped lock catch piles which are spaced apart the distance of one rectangular lock catch pile are manufactured; when concrete of the T-shaped lock catch piles at the two sides reaches certain strength, one rectangular hole is manufactured within the distance of every two concrete T-shaped lock catch piles by use of a rectangular pile forming machine according to a working mode of the rectangular pile forming machine, and concrete is poured into the rectangular holes to form concrete rectangular lock catch piles, so that a concave rectangular end head at the left end of the concrete rectangular lock catch pile between every two concrete T-shaped lock catch piles is fitted to a convex rectangular end head at the right end of the left concrete T-shaped lock catch pile, a concave rectangular end head at the right end of the corresponding concrete rectangular lock catch pile is fitted to a convex rectangular end head at the left end of the right concrete T-shaped lock catch pile, and therefore, a pile wall, which is in mutual rectangular lock catch with the plurality of the concrete T-shaped lock catch piles and the concrete rectangular lock catch pile between every two concrete T-shaped lock catch piles, is formed; and the pile wall is used for earth retaining and leakage preventing of a building foundation.
Description
Technical field
The present invention relates in a kind of rectangle snap close equipment, particularly a kind of building foundation engineering the T stake and rectangular pile rectangle snap close equipment that use.
Background technology
Cement-earth pile-formation machine is by the multiple drill bit rotational of power wheel drive, the earth of drill bit bottom is cut in rotation process and stirs into cement earth pile with grout by multiple drill bit, at present, stake body formed by the cement-earth agitation driller of other pattern is all the molectron of multiple cement-earth cylinder, is not the mutual snap close stake wall of T-shaped concrete pile and rectangular concrete pile.
Summary of the invention
The present invention compensate for above shortcoming, it provides a kind of T stake and rectangular pile rectangle snap close equipment that can manufacture T-shaped concrete pile body and the mutual rectangle snap close of rectangular concrete pile body.
The present invention is achieved through the following technical solutions:
A kind of T stake and rectangular pile rectangle snap close equipment, comprise T stake pile-formation machine and rectangular pile pile-formation machine.
T stake pile-formation machine comprises following structure: the front end of cross bar two is fixed on the centre of cross bar one, is thus formed a T-shaped steel structure, and the lower end of support bar one is fixed on the center of gravity of T-shaped steel structure; The lower end in the centre of cross bar one is fixed with column three, the lower end of column three is fixed with motor one, the lower end of motor one is fixed with power case three, the left end bottom of cross bar one is fixed with column one, the lower end of column one is fixed with power case one, and the right-hand member bottom of cross bar one is fixed with column two, and the lower end of column two is fixed with power case two, the rear end lower of cross bar two is fixed with column four, and the lower end of column four is fixed with power case four; The lower end of power case one, power case two, power case three, power case four is respectively equipped with a drilling rod, and the lower end of each drilling rod is respectively equipped with a drill bit; Between power case three and power case one, between power case three and power case two, between power case three and power case four, it is respectively equipped with a power shaft one, a link arm is fixed on the middle both sides of every power shaft one respectively, and the outer end of each link arm fixes an agitating arm respectively; The left end of power case one exports a power shaft two, and the left end of this power shaft two fixes a rectangle cutter one, and the right-hand member of power case two exports a power shaft two, and the right-hand member of this power shaft two fixes a rectangle cutter one.
Rectangular pile pile-formation machine comprises following structure: support bar two times ends are fixed on motor two upper end, and motor two times ends are fixed on driving mechanism three upper end; Support bar two bottom left end is fixed with transverse arm one, the left end bottom of transverse arm one is fixed with vertical rod one, and the lower end of vertical rod one is fixed with driving mechanism one, and support bar two bottom right-hand member is fixed with transverse arm two, the right-hand member bottom of transverse arm two is fixed with vertical rod two, and the lower end of vertical rod two is fixed with driving mechanism two; The lower end of driving mechanism one, driving mechanism two, driving mechanism three is respectively equipped with a drilling rod, and the lower end of each drilling rod is respectively equipped with a drill bit; Between driving mechanism three and driving mechanism one, being respectively equipped with a drive shaft one between driving mechanism three and driving mechanism two, a connecting arm is fixed on the middle both sides of every drive shaft one respectively, and the outer end of each connecting arm fixes a stirring cutter respectively; The starboard quarter of driving mechanism two and right front export a drive shaft two respectively, and the right-hand member of this each drive shaft two fixes a rectangle cutter two respectively; The left back of driving mechanism one and left front export a drive shaft two respectively, and the left end of this each drive shaft two fixes a rectangle cutter two respectively.
The present invention has following feature:
The present invention can manufacture T-shaped concrete pile body and the stake wall of the mutual rectangle snap close of rectangular concrete pile body, for gear soil, the antiseepage of building foundation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated:
Fig. 1 is the structural representation of T stake pile-formation machine;
Fig. 2 is the A A direction view of Fig. 1;
Fig. 3 is the B B view of Fig. 1;
Fig. 4 is the C C direction view of Fig. 1;
Fig. 5 is the structural representation of rectangular pile pile-formation machine;
Fig. 6 is the D D view of Fig. 5;
Fig. 7 is T stake and the cross-sectional view of rectangular pile rectangle snap close.
In figure: 1, support bar one, 2, motor one, 3, power case three, 4, power case one, 5, power case two, 6, cross bar one, 7, column three, 8, power shaft one, 9, agitating arm, 10, column one, 11, column two, 12, drilling rod, 13, drill bit, 14, power shaft two, 15, rectangle cutter one, 16, link arm, 17, cross bar two, 18, column four, 19, power case four, 21, rectangle cutter two; 31, support bar two, 32, motor two, 33, driving mechanism three, 34, driving mechanism one, 35, driving mechanism two, 36, transverse arm one, 37, transverse arm two, 38, drive shaft one, 39, stir cutter, 40, vertical rod one, 41, vertical rod two, 44, drive shaft two, 46, connecting arm.
Embodiment
Accompanying drawing is a kind of specific embodiment of the present invention, and this embodiment comprises T stake pile-formation machine and rectangular pile pile-formation machine.
T stake pile-formation machine comprises the structure in Fig. 1, Fig. 2, Fig. 3, Fig. 4; Concrete structure is as follows: the front end of cross bar 2 17 is fixed on the centre of cross bar 1, is thus formed a T-shaped steel structure, and the lower end of support bar 1 is fixed on the center of gravity of T-shaped steel structure; The lower end in the centre of cross bar one is fixed with column 37, the lower end of column three is fixed with motor 1, the lower end of motor one is fixed with power case 33, the left end bottom of cross bar one is fixed with column 1, the lower end of column one is fixed with power case 1, and the right-hand member bottom of cross bar one is fixed with column 2 11, and the lower end of column two is fixed with power case 25, the rear end lower of cross bar two is fixed with column 4 18, and the lower end of column four is fixed with power case 4 19; The lower end of power case one, power case two, power case three, power case four is respectively equipped with a drilling rod 12, and the lower end of each drilling rod is respectively equipped with a drill bit 13;Between power case three and power case one, between power case three and power case two, between power case three and power case four, it is respectively equipped with a power shaft 1, a link arm 16 is fixed on the middle both sides of every power shaft one respectively, and the outer end of each link arm fixes an agitating arm 9 respectively; The left end of power case one exports a power shaft 2 14, and the left end of this power shaft two fixes a rectangle cutter 1, and the right-hand member of power case two exports a power shaft 2 14, and the right-hand member of this power shaft two fixes a rectangle cutter one.
Agitating arm on three power shafts one differs certain angle in rotation, is independent of each other mutually in rotation.
The concrete mode of operation of T stake pile-formation machine is as follows: during work, each drill bit is poured into high pressure water by grouting pump respectively, motor one drives power case three running, power case three is operated by the rotating drive power case one of three power shafts one left and right, rear, power case two, power case four respectively in operation process, power case one drives power shaft two rotation of its left end in operation process, and power case two drives power shaft two rotation of its right-hand member in operation process; Power case one, power case two, power case three, power case four drive drill bit rotational by the drilling rod of its lower end respectively, and the soil cutting of its lower end is stirred by four drill bits in rotation; Three power shafts one drive two link arms on each power shaft one to drive agitating arm moving mechanical axis one rotation respectively in rotation, and the part soil cutting being less than drill bit diameter between every two drill bits is stirred by agitating arm in rotation process; The power shaft two of left end drives rectangle cutter one rotation of left end in rotation, the soil cutting of the termination of left part is become convex rectangle termination by this rectangle cutter one in rotation, the power shaft two of right-hand member drives rectangle cutter one rotation of right-hand member in rotation, and the soil cutting of the termination in right portion is become convex rectangle termination by this rectangle cutter one in rotation; Support bar one is pressed into process and forms about one two ends respectively with the T-shaped hole of convex rectangle termination downwards.
Rectangular pile pile-formation machine comprises the structure in Fig. 5, Fig. 6; Concrete structure is as follows: support bar 2 31 times ends are fixed on motor 2 32 upper end, and motor two times ends are fixed on driving mechanism 3 33 upper end; Support bar two bottom left end is fixed with transverse arm 1, the left end bottom of transverse arm one is fixed with vertical rod 1, the lower end of vertical rod one is fixed with driving mechanism 1, support bar two bottom right-hand member is fixed with transverse arm 2 37, the right-hand member bottom of transverse arm two is fixed with vertical rod 2 41, and the lower end of vertical rod two is fixed with driving mechanism 2 35; The lower end of driving mechanism one, driving mechanism two, driving mechanism three is respectively equipped with a drilling rod 12, and the lower end of each drilling rod is respectively equipped with a drill bit 13; Between driving mechanism three and driving mechanism one, being respectively equipped with a drive shaft 1 between driving mechanism three and driving mechanism two, a connecting arm 46 is fixed on the middle both sides of every drive shaft one respectively, and the outer end of each connecting arm fixes a stirring cutter 39 respectively; The starboard quarter of driving mechanism two and right front export a drive shaft 2 44 respectively, and the right-hand member of this each drive shaft two fixes a rectangle cutter 2 21 respectively; The left back of driving mechanism one and left front export a drive shaft 2 44 respectively, and the left end of this each drive shaft two fixes a rectangle cutter 2 21 respectively.
The concrete mode of operation of rectangular pile pile-formation machine is as follows: rectangular pile pile-formation machine is also provided with high-pressure pump, during work, each drill bit is injected high pressure water by high-pressure pump respectively, motor two drives driving mechanism three running, driving mechanism three is operated by the rotating drive driving mechanism one of drive shaft one, driving mechanism two in operation process, and driving mechanism two drives the drive shaft two of starboard quarter synchronous axial system relative to the drive shaft two of right front respectively in operation process;Driving mechanism one drives the drive shaft two of left back synchronous axial system relative to the drive shaft two of left front respectively in operation process, driving mechanism one, driving mechanism two, driving mechanism three drive drill bit rotational by the drilling rod of its lower end respectively, and the soil cutting of its lower end is stirred by three drill bits in rotation, two drive shafts one drive two connecting arms on each drive shaft one to drive in rotation respectively and stir cutter around drive shaft one rotation, stir cutter to be stirred by the part soil cutting being less than drill bit diameter between every two drill bits in rotation process, two drive shafts two of left end drive two rectangle cuttves two rotation of left end respectively in rotation, the soil cutting of the termination of left part is become recessed rectangle termination by this rectangle cutter two in rotation, two drive shafts two of right-hand member drive two rectangle cuttves two rotation of right-hand member respectively in rotation, the soil cutting of the termination in right portion is become recessed rectangle termination by this rectangle cutter two in rotation, support bar two is pressed into process and forms about one two ends respectively with the rectangle hole of recessed rectangle termination downwards.
T stake pile-formation machine and rectangular pile pile-formation machine associated working process are as follows: first in the zero position needing pile axis, a T-shaped hole is manufactured according to the mode of operation of above-mentioned T stake pile-formation machine with T stake pile-formation machine, casting concrete, formation concrete T-shaped snap close stake in this T-shaped hole, on the right side of this concrete T-shaped snap close stake, the distance of the rectangle snap close stake in interval manufacture the 2nd concrete T-shaped snap close stake again, so manufacture one, multiple interval rectangle snap close pilespacing from multiple concrete T-shaped snap close stakes, when the concrete of the T-shaped snap close stake on both sides reaches certain intensity, again in spacing between every two concrete T-shaped snap close stakes, a rectangle hole is manufactured according to the mode of operation of above-mentioned rectangular pile pile-formation machine with rectangular pile pile-formation machine, casting concrete in this rectangle hole, form concrete rectangular snap close stake, the recessed rectangle termination of the concrete rectangular snap close stake left end between every two concrete T-shaped snap close stakes is made to be fit to the convex rectangle termination of left side concrete T-shaped snap close stake right-hand member, the recessed rectangle termination of concrete rectangular snap close stake right-hand member is fit to the convex rectangle termination of the right concrete T-shaped snap close stake left end, so form the stake wall of the mutual rectangle snap close of concrete rectangular snap close stake between multiple concrete T-shaped snap close stake and every two concrete T-shaped snap close stakes, for the gear soil of building foundation, antiseep.
Claims (1)
1. T stake and a rectangular pile rectangle snap close equipment, comprise T stake pile-formation machine and rectangular pile pile-formation machine;
It is characterized in that: the concrete structure of T stake pile-formation machine comprises: the front end of cross bar 2 17 is fixed on the centre of cross bar 1, is thus formed a T-shaped steel structure, and the lower end of support bar 1 is fixed on the center of gravity of T-shaped steel structure; The lower end in the centre of cross bar one is fixed with column 37, the lower end of column three is fixed with motor 1, the lower end of motor one is fixed with power case 33, the left end bottom of cross bar one is fixed with column 1, the lower end of column one is fixed with power case 1, and the right-hand member bottom of cross bar one is fixed with column 2 11, and the lower end of column two is fixed with power case 25, the rear end lower of cross bar two is fixed with column 4 18, and the lower end of column four is fixed with power case 4 19; The lower end of power case one, power case two, power case three, power case four is respectively equipped with a drilling rod 12, and the lower end of each drilling rod is respectively equipped with a drill bit 13; Between power case three and power case one, between power case three and power case two, between power case three and power case four, it is respectively equipped with a power shaft 1, a link arm 16 is fixed on the middle both sides of every power shaft one respectively, and the outer end of each link arm fixes an agitating arm 9 respectively;The left end of power case one exports a power shaft 2 14, and the left end of this power shaft two fixes a rectangle cutter 1, and the right-hand member of power case two exports a power shaft 2 14, and the right-hand member of this power shaft two fixes a rectangle cutter one;
When T stake pile-formation machine works, each drill bit is poured into high pressure water by grouting pump respectively, motor one drives power case three running, power case three is operated by the rotating drive power case one of three power shafts one left and right, rear, power case two, power case four respectively in operation process, power case one drives power shaft two rotation of its left end in operation process, and power case two drives power shaft two rotation of its right-hand member in operation process; Power case one, power case two, power case three, power case four drive drill bit rotational by the drilling rod of its lower end respectively, and the soil cutting of its lower end is stirred by four drill bits in rotation; Three power shafts one drive two link arms on each power shaft one to drive agitating arm moving mechanical axis one rotation respectively in rotation, and the part soil cutting being less than drill bit diameter between every two drill bits is stirred by agitating arm in rotation process; The power shaft two of left end drives rectangle cutter one rotation of left end in rotation, the soil cutting of the termination of left part is become convex rectangle termination by this rectangle cutter one in rotation, the power shaft two of right-hand member drives rectangle cutter one rotation of right-hand member in rotation, and the soil cutting of the termination in right portion is become convex rectangle termination by this rectangle cutter one in rotation; Support bar one is pressed into process and forms about one two ends respectively with the T-shaped hole of convex rectangle termination downwards;
The concrete structure of rectangular pile pile-formation machine comprises: support bar 2 31 times ends are fixed on motor 2 32 upper end, and motor two times ends are fixed on driving mechanism 3 33 upper end; Support bar two bottom left end is fixed with transverse arm 1, the left end bottom of transverse arm one is fixed with vertical rod 1, the lower end of vertical rod one is fixed with driving mechanism 1, support bar two bottom right-hand member is fixed with transverse arm 2 37, the right-hand member bottom of transverse arm two is fixed with vertical rod 2 41, and the lower end of vertical rod two is fixed with driving mechanism 2 35; The lower end of driving mechanism one, driving mechanism two, driving mechanism three is respectively equipped with a drilling rod 12, and the lower end of each drilling rod is respectively equipped with a drill bit 13; Between driving mechanism three and driving mechanism one, being respectively equipped with a drive shaft 1 between driving mechanism three and driving mechanism two, a connecting arm 46 is fixed on the middle both sides of every drive shaft one respectively, and the outer end of each connecting arm fixes a stirring cutter 39 respectively; The starboard quarter of driving mechanism two and right front export a drive shaft 2 44 respectively, and the right-hand member of this each drive shaft two fixes a rectangle cutter 2 21 respectively; The left back of driving mechanism one and left front export a drive shaft 2 44 respectively, and the left end of this each drive shaft two fixes a rectangle cutter 2 21 respectively;
When rectangular pile pile-formation machine works, each drill bit is injected high pressure water by high-pressure pump respectively, motor two drives driving mechanism three running, driving mechanism three is operated by the rotating drive driving mechanism one of drive shaft one, driving mechanism two in operation process, and driving mechanism two drives the drive shaft two of starboard quarter synchronous axial system relative to the drive shaft two of right front respectively in operation process, driving mechanism one drives the drive shaft two of left back synchronous axial system relative to the drive shaft two of left front respectively in operation process, driving mechanism one, driving mechanism two, driving mechanism three drive drill bit rotational by the drilling rod of its lower end respectively, and the soil cutting of its lower end is stirred by three drill bits in rotation, two drive shafts one drive two connecting arms on each drive shaft one to drive in rotation respectively and stir cutter around drive shaft one rotation, stir cutter to be stirred by the part soil cutting being less than drill bit diameter between every two drill bits in rotation process, two drive shafts two of left end drive two rectangle cuttves two rotation of left end respectively in rotation, the soil cutting of the termination of left part is become recessed rectangle termination by this rectangle cutter two in rotation, two drive shafts two of right-hand member drive two rectangle cuttves two rotation of right-hand member respectively in rotation, the soil cutting of the termination in right portion is become recessed rectangle termination by this rectangle cutter two in rotation, support bar two is pressed into process and forms about one two ends respectively with the rectangle hole of recessed rectangle termination downwards,
T stake pile-formation machine and rectangular pile pile-formation machine associated working process: first in the zero position needing pile axis, a T-shaped hole is manufactured according to the mode of operation of above-mentioned T stake pile-formation machine with T stake pile-formation machine, casting concrete, formation concrete T-shaped snap close stake in this T-shaped hole, on the right side of this concrete T-shaped snap close stake, the distance of the rectangle snap close stake in interval manufacture the 2nd concrete T-shaped snap close stake again, so manufacture one, multiple interval rectangle snap close pilespacing from multiple concrete T-shaped snap close stakes;When the concrete of the T-shaped snap close stake on both sides reaches certain intensity, again in spacing between every two concrete T-shaped snap close stakes, a rectangle hole is manufactured according to the mode of operation of above-mentioned rectangular pile pile-formation machine with rectangular pile pile-formation machine, casting concrete in this rectangle hole, form concrete rectangular snap close stake, the recessed rectangle termination of the concrete rectangular snap close stake left end between every two concrete T-shaped snap close stakes is made to be fit to the convex rectangle termination of left side concrete T-shaped snap close stake right-hand member, the recessed rectangle termination of concrete rectangular snap close stake right-hand member is fit to the convex rectangle termination of the right concrete T-shaped snap close stake left end, so form the stake wall of the mutual rectangle snap close of concrete rectangular snap close stake between multiple concrete T-shaped snap close stake and every two concrete T-shaped snap close stakes, for the gear soil of building foundation, antiseep.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511012384.XA CN105649034A (en) | 2015-12-31 | 2015-12-31 | Rectangular lock catch equipment for T-shaped piles and rectangular piles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511012384.XA CN105649034A (en) | 2015-12-31 | 2015-12-31 | Rectangular lock catch equipment for T-shaped piles and rectangular piles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105649034A true CN105649034A (en) | 2016-06-08 |
Family
ID=56478384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511012384.XA Withdrawn CN105649034A (en) | 2015-12-31 | 2015-12-31 | Rectangular lock catch equipment for T-shaped piles and rectangular piles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105649034A (en) |
-
2015
- 2015-12-31 CN CN201511012384.XA patent/CN105649034A/en not_active Withdrawn
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Application publication date: 20160608 |
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| WW01 | Invention patent application withdrawn after publication |