CN105649025A - Circular-arc jointing equipment for crossed piles and rectangular piles - Google Patents

Circular-arc jointing equipment for crossed piles and rectangular piles Download PDF

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Publication number
CN105649025A
CN105649025A CN201511012255.0A CN201511012255A CN105649025A CN 105649025 A CN105649025 A CN 105649025A CN 201511012255 A CN201511012255 A CN 201511012255A CN 105649025 A CN105649025 A CN 105649025A
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China
Prior art keywords
transmission case
pile
concrete
fixed
rectangular
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Application number
CN201511012255.0A
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Chinese (zh)
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叶连国
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Individual
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Individual
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Priority to CN201511012255.0A priority Critical patent/CN105649025A/en
Publication of CN105649025A publication Critical patent/CN105649025A/en
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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
    • 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 circular-arc jointing equipment for crossed piles and rectangular piles. A plurality of concrete crossed jointing piles which are spaced apart the distance of one rectangular jointing pile are manufactured; when concrete of the crossed jointing piles at the two sides reaches certain strength, one rectangular hole is manufactured within the distance of every two concrete crossed jointing 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 jointing piles, so that a convex circular end head at the left end of the concrete rectangular jointing pile between every two concrete crossed jointing piles is fitted to a concave circular end head at the right end of the left concrete crossed jointing pile, and a convex circular end head at the right end of the concrete rectangular jointing pile is fitted to a concave circular end head at the left end of the right concrete crossed jointing pile, and therefore, a pile wall, which is in mutual circular-arc jointing with the plurality of concrete crossed jointing piles and the concrete rectangular jointing pile between every two concrete crossed jointing piles, is formed; and the pile wall is used for earth retaining and leakage preventing of a building foundation.

Description

Cross pile and rectangular pile circular arc junction apparatus
Technical field
The present invention relates in a kind of circular arc junction apparatus, particularly a kind of building foundation engineering the cross pile and rectangular pile circular arc junction apparatus 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 that cruciform concrete pile and rectangular concrete pile are bonded with each other a wall.
Summary of the invention
The present invention compensate for above shortcoming, it provides a kind of can manufacture cross pile and the rectangular pile circular arc junction apparatus that cruciform concrete pile body engages with the mutual circular arc of rectangular concrete pile body.
The present invention is achieved through the following technical solutions:
A kind of cross pile and rectangular pile circular arc junction apparatus, comprise cross pile pile-formation machine and rectangular pile pile-formation machine.
Cross pile pile-formation machine comprises following structure: being pressed into bar and once hold and be fixed on electric motor one upper end, electric motor is once held and is fixed with transmission case five; It is pressed into bar one bottom left end and it is fixed with cross bar one, cross bar one left end bottom is fixed with armstand one, armstand is once held and is fixed with transmission case one, it is pressed into bar one bottom right-hand member and it is fixed with cross bar two, cross bar two right-hand member bottom is fixed with armstand two, armstand two times ends are fixed with transmission case two, it is pressed into bar one lower front part and it is fixed with cross bar three, cross bar three front lower portion is fixed with armstand three, armstand three times ends are fixed with transmission case three, being pressed into rear end, bar one bottom and be fixed with cross bar four, cross bar four rear end lower is fixed with armstand four, and armstand four times ends are fixed with transmission case four; The lower end of transmission case one, transmission case two, transmission case three, transmission case four, transmission case five is respectively equipped with a drilling rod, and the lower end of each drilling rod fixes a drill bit respectively; Between transmission case five and transmission case one, it is connected with one between transmission case five and transmission case two respectively and turns round axle one, between transmission case five and transmission case three, it is connected with one between transmission case five and transmission case four respectively and turns round axle two, the both sides of each torsion axle one are respectively equipped with one and stir cutter one, each stirs the torsion axle one that cutter one is fixed on its place by a tool arm, the both sides of each torsion axle two are respectively equipped with one and stir cutter two, and each stirs the torsion axle two that cutter two is fixed on its place by a tool arm;The starboard quarter of transmission case two and right front export one respectively and turn round axle three, and the right-hand member of this each torsion axle three fixes a recessed round cutter respectively; The left back of transmission case one and left front export one respectively and turn round axle three, and the left end of this each torsion axle three fixes a recessed round cutter respectively.
Rectangular pile pile-formation machine comprises following structure: being pressed into bar two times ends and be fixed on electric motor two upper end, electric motor two times ends are fixed on driving box three upper end; It is pressed into bar two bottom left end and it 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 box one, is pressed into bar two bottom right-hand member and 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 box two; The lower end of driving box one, driving box two, driving box 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 box three and driving box one, being respectively equipped with a drive shaft one between driving box three and driving box 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 present invention has following feature:
The present invention can manufacture the stake wall that cruciform concrete pile body engages with the mutual circular arc 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 frontview of cross pile pile-formation machine;
Fig. 2 is the rear view of cross pile pile-formation machine;
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 structural representation of rectangular pile pile-formation machine;
Fig. 6 is the D D view of Fig. 5;
Fig. 7 is the cross-sectional view that cross pile engages with rectangular pile circular arc.
In figure: 1, be pressed into bar one, 2, electric motor one, 3, transmission case five, 4, transmission case one, 5, transmission case two, 6, cross bar one, 7, cross bar two, 8, turn round axle one, 9, stir cutter one, 10, armstand one, 11, armstand two, 12, drilling rod, 13, drill bit, 14, cross bar three, 15, armstand three, 16, transmission case three, 17, cross bar four, 18, armstand four, 19, transmission case four, 20, turn round axle two, 21, tool arm, 22, stir cutter two, 23, turn round axle three, 24, recessed round cutter; 31, be pressed into bar two, 32, electric motor two, 33, driving box three, 34, driving box one, 35, driving box two, 36, transverse arm one, 37, transverse arm two, 38, drive shaft one, 39, stir cutter, 40, vertical rod one, 41, vertical rod two, 46, connecting arm.
Embodiment
Accompanying drawing is a kind of specific embodiment of the present invention, and this embodiment comprises cross pile pile-formation machine and rectangular pile pile-formation machine.
Cross pile pile-formation machine comprises the structure in Fig. 1, Fig. 2, Fig. 3, Fig. 4, concrete structure is as follows: being pressed into bar one 1 times ends and be fixed on electric motor 1 upper end, electric motor is once held and is fixed with transmission case 53, it is pressed into bar one bottom left end and it is fixed with cross bar 1, cross bar one left end bottom is fixed with armstand 1, armstand is once held and is fixed with transmission case 1, it is pressed into bar one bottom right-hand member and it is fixed with cross bar 27, cross bar two right-hand member bottom is fixed with armstand 2 11, armstand two times ends are fixed with transmission case 25, it is pressed into bar one lower front part and it is fixed with cross bar 3 14, cross bar three front lower portion is fixed with armstand 3 15, armstand three times ends are fixed with transmission case 3 16, it is pressed into rear end, bar one bottom and it is fixed with cross bar 4 17, cross bar four rear end lower is fixed with armstand 4 18, armstand four times ends are fixed with transmission case 4 19,The lower end of transmission case one, transmission case two, transmission case three, transmission case four, transmission case five is respectively equipped with a drilling rod 12, and the lower end of each drilling rod fixes a drill bit 13 respectively; Between transmission case five and transmission case one, it is connected with one between transmission case five and transmission case two respectively and turns round axle 1, between transmission case five and transmission case three, it is connected with one between transmission case five and transmission case four respectively and turns round axle 2 20, the both sides of each torsion axle one are respectively equipped with one and stir cutter 1, each stirs the torsion axle one that cutter one is fixed on its place by a tool arm 21, the both sides of each torsion axle two are respectively equipped with one and stir cutter 2 22, and each stirs the torsion axle two that cutter two is fixed on its place by a tool arm; The starboard quarter of transmission case two and right front export one respectively and turn round axle 3 23, and the right-hand member of this each torsion axle three fixes a recessed round cutter 24 respectively; The left back of transmission case one and left front export one respectively and turn round axle 3 23, and the left end of this each torsion axle three fixes a recessed round cutter 24 respectively.
The concrete mode of operation of cross pile pile-formation machine is as follows: be also provided with cementer on pile frame, during work, each drill bit is poured into high pressure water by cementer respectively, it is pressed into bar one during work to apply downward to be pressed into power, electric motor one drives transmission case five running, the rotation that transmission case five turns round axle one by the two of left and right in running drives transmission case one and transmission case two running respectively, and the rotation that transmission case five turns round axle two by the two of front and back in running drives transmission case three and transmission case four running respectively; Transmission case two drives two torsion axles three of right-hand member to drive the recessed round cutter of right-hand member to rotate in operation process; Transmission case one drives two torsion axles three of left end to drive the recessed round cutter of left end to rotate in operation process; Transmission case one, transmission case two, transmission case three, transmission case four, transmission case five drive a drill bit under it to rotate by a drilling rod under it respectively in running; Turn round axle one for two and stir cutter one rotation by the tool arm drive on it respectively in rotation, turn round axles two for two and stir cutter two rotation by the tool arm drive on it respectively in rotation; The soil cutting of its underpart is stirred by five drill bits in rotation, stir cutter one, stir cutter two in rotation by be less than between two drill bits drill bit diameter, the unhewn part soil cutting of drill bit stirs; The soil cutting of right-hand member is become recessed rounded head by the recessed round cutter of two of right-hand member in rotation, and the soil cutting of left end is become recessed rounded head by the recessed round cutter of two of left end in rotation; The soil body cut is mixed in mud, and high pressure water constantly injects, and mud constantly flows out from hole, is pressed into bar one and is pressed into process formation about one two ends downwards respectively with the cruciform vent of recessed rounded head.
Rectangular pile pile-formation machine comprises the structure in Fig. 5, Fig. 6; Concrete structure is as follows: being pressed into bar 2 31 times ends and be fixed on electric motor 2 32 upper end, electric motor two times ends are fixed on driving box 3 33 upper end; It is pressed into bar two bottom left end and it 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 box 1, it is pressed into bar two bottom right-hand member and it 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 box 2 35; The lower end of driving box one, driving box two, driving box 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 box three and driving box one, being respectively equipped with a drive shaft 1 between driving box three and driving box 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 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, electric motor two drives driving box three running, and driving box three is operated by the rotating drive driving box one of drive shaft one, driving box two in operation process; Driving box one, driving box two, driving box 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 and stirred by the part soil cutting being less than drill bit diameter between every two drill bits in rotation process; The soil body cut is mixed in mud, and high pressure water constantly injects, and mud constantly flows out from hole, is pressed into bar two and is pressed into process formation about one two ends downwards respectively with the rectangle hole of convex rounded head.
The convex rounded head that the recessed rounded head at cruciform joint stake two ends engages stake two ends with rectangle matches.
Cross pile pile-formation machine and rectangular pile pile-formation machine associated working process are as follows: first in the zero position needing pile axis, a cruciform vent is manufactured according to the mode of operation of above-mentioned cross pile pile-formation machine with cross pile pile-formation machine, casting concrete in this cruciform vent, form concrete cruciform and engage stake, engage the right side of stake at this concrete cruciform, distance that one, interval rectangle engages stake manufacture the 2nd concrete cruciform again and engage stake, so manufacture one, multiple interval rectangle engage pilespacing from multiple concrete cruciform engage stake, when the concrete of the cruciform joint stake on both sides reaches certain intensity, engage in the spacing between stake at every two concrete cruciforms again, 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 and engage stake, the convex rounded head making every two concrete cruciforms engage the joint stake left end of the concrete rectangular between stake is fit to the recessed rounded head that left side concrete cruciform engages stake right-hand member, the convex rounded head that concrete rectangular engages stake right-hand member is fit to the recessed rounded head that the right concrete cruciform engages stake left end, so form the stake wall that multiple concrete cruciform engages the mutual circular arc joint of concrete rectangular joint stake that stake engages between stake with every two concrete cruciforms, for the gear soil of building foundation, antiseep.

Claims (1)

1. cross pile and a rectangular pile circular arc junction apparatus, comprise cross pile pile-formation machine and rectangular pile pile-formation machine;
It is characterized in that: the concrete structure of cross pile pile-formation machine comprises: being pressed into bar one 1 times ends and be fixed on electric motor 1 upper end, electric motor is once held and is fixed with transmission case 53, it is pressed into bar one bottom left end and it is fixed with cross bar 1, cross bar one left end bottom is fixed with armstand 1, armstand is once held and is fixed with transmission case 1, it is pressed into bar one bottom right-hand member and it is fixed with cross bar 27, cross bar two right-hand member bottom is fixed with armstand 2 11, armstand two times ends are fixed with transmission case 25, it is pressed into bar one lower front part and it is fixed with cross bar 3 14, cross bar three front lower portion is fixed with armstand 3 15, armstand three times ends are fixed with transmission case 3 16, it is pressed into rear end, bar one bottom and it is fixed with cross bar 4 17, cross bar four rear end lower is fixed with armstand 4 18, armstand four times ends are fixed with transmission case 4 19, the lower end of transmission case one, transmission case two, transmission case three, transmission case four, transmission case five is respectively equipped with a drilling rod 12, and the lower end of each drilling rod fixes a drill bit 13 respectively,Between transmission case five and transmission case one, it is connected with one between transmission case five and transmission case two respectively and turns round axle 1, between transmission case five and transmission case three, it is connected with one between transmission case five and transmission case four respectively and turns round axle 2 20, the both sides of each torsion axle one are respectively equipped with one and stir cutter 1, each stirs the torsion axle one that cutter one is fixed on its place by a tool arm 21, the both sides of each torsion axle two are respectively equipped with one and stir cutter 2 22, and each stirs the torsion axle two that cutter two is fixed on its place by a tool arm; The starboard quarter of transmission case two and right front export one respectively and turn round axle 3 23, and the right-hand member of this each torsion axle three fixes a recessed round cutter 24 respectively; The left back of transmission case one and left front export one respectively and turn round axle 3 23, and the left end of this each torsion axle three fixes a recessed round cutter 24 respectively;
When cross pile pile-formation machine works, each drill bit is poured into high pressure water by cementer respectively, it is pressed into bar one during work to apply downward to be pressed into power, electric motor one drives transmission case five running, the rotation that transmission case five turns round axle one by the two of left and right in running drives transmission case one and transmission case two running respectively, and the rotation that transmission case five turns round axle two by the two of front and back in running drives transmission case three and transmission case four running respectively; Transmission case two drives two torsion axles three of right-hand member to drive the recessed round cutter of right-hand member to rotate in operation process; Transmission case one drives two torsion axles three of left end to drive the recessed round cutter of left end to rotate in operation process; Transmission case one, transmission case two, transmission case three, transmission case four, transmission case five drive a drill bit under it to rotate by a drilling rod under it respectively in running; Turn round axle one for two and stir cutter one rotation by the tool arm drive on it respectively in rotation, turn round axles two for two and stir cutter two rotation by the tool arm drive on it respectively in rotation; The soil cutting of its underpart is stirred by five drill bits in rotation, stir cutter one, stir cutter two in rotation by be less than between two drill bits drill bit diameter, the unhewn part soil cutting of drill bit stirs; The soil cutting of right-hand member is become recessed rounded head by the recessed round cutter of two of right-hand member in rotation, and the soil cutting of left end is become recessed rounded head by the recessed round cutter of two of left end in rotation; The soil body cut is mixed in mud, and high pressure water constantly injects, and mud constantly flows out from hole, is pressed into bar one and is pressed into process formation about one two ends downwards respectively with the cruciform vent of recessed rounded head;
The concrete structure of rectangular pile pile-formation machine comprises: being pressed into bar 2 31 times ends and be fixed on electric motor 2 32 upper end, electric motor two times ends are fixed on driving box 3 33 upper end; It is pressed into bar two bottom left end and it 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 box 1, it is pressed into bar two bottom right-hand member and it 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 box 2 35; The lower end of driving box one, driving box two, driving box 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 box three and driving box one, being respectively equipped with a drive shaft 1 between driving box three and driving box 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;
When rectangular pile pile-formation machine works, each drill bit is injected high pressure water by high-pressure pump respectively, and electric motor two drives driving box three running, and driving box three is operated by the rotating drive driving box one of drive shaft one, driving box two in operation process; Driving box one, driving box two, driving box 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 and stirred by the part soil cutting being less than drill bit diameter between every two drill bits in rotation process; The soil body cut is mixed in mud, and high pressure water constantly injects, and mud constantly flows out from hole, is pressed into bar two and is pressed into process formation about one two ends downwards respectively with the rectangle hole of convex rounded head;
Cross pile pile-formation machine and rectangular pile pile-formation machine associated working process: first in the zero position needing pile axis, a cruciform vent is manufactured according to the mode of operation of above-mentioned cross pile pile-formation machine with cross pile pile-formation machine, casting concrete in this cruciform vent, form concrete cruciform and engage stake, engage the right side of stake at this concrete cruciform, distance that one, interval rectangle engages stake manufacture the 2nd concrete cruciform again and engage stake, so manufacture one, multiple interval rectangle engage pilespacing from multiple concrete cruciform engage stake;When the concrete of the cruciform joint stake on both sides reaches certain intensity, engage in the spacing between stake at every two concrete cruciforms again, 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 and engage stake, the convex rounded head making every two concrete cruciforms engage the joint stake left end of the concrete rectangular between stake is fit to the recessed rounded head that left side concrete cruciform engages stake right-hand member, the convex rounded head that concrete rectangular engages stake right-hand member is fit to the recessed rounded head that the right concrete cruciform engages stake left end, so form the stake wall that multiple concrete cruciform engages the mutual circular arc joint of concrete rectangular joint stake that stake engages between stake with every two concrete cruciforms, for the gear soil of building foundation, antiseep.
CN201511012255.0A 2015-12-31 2015-12-31 Circular-arc jointing equipment for crossed piles and rectangular piles Withdrawn CN105649025A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201511012255.0A CN105649025A (en) 2015-12-31 2015-12-31 Circular-arc jointing equipment for crossed piles and rectangular piles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201511012255.0A CN105649025A (en) 2015-12-31 2015-12-31 Circular-arc jointing equipment for crossed piles and rectangular piles

Publications (1)

Publication Number Publication Date
CN105649025A true CN105649025A (en) 2016-06-08

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ID=56478302

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201511012255.0A Withdrawn CN105649025A (en) 2015-12-31 2015-12-31 Circular-arc jointing equipment for crossed piles and rectangular piles

Country Status (1)

Country Link
CN (1) CN105649025A (en)

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Application publication date: 20160608

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