CN105421389A - Circular-arc folding equipment for crossed piles and rectangular piles - Google Patents

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

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Publication number
CN105421389A
CN105421389A CN201511012253.1A CN201511012253A CN105421389A CN 105421389 A CN105421389 A CN 105421389A CN 201511012253 A CN201511012253 A CN 201511012253A CN 105421389 A CN105421389 A CN 105421389A
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China
Prior art keywords
transmission case
fixed
pile
bar
rectangular
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CN201511012253.1A
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Chinese (zh)
Inventor
叶连国
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叶连国
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Priority to CN201511012253.1A priority Critical patent/CN105421389A/en
Publication of CN105421389A publication Critical patent/CN105421389A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22Piles
    • E02D5/34Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E02D5/46Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives for drilling, used in the borehole
    • E21B4/16Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units

Abstract

The invention discloses circular-arc folding equipment for crossed piles and rectangular piles. A plurality of cemented soil crossed folding piles which are spaced by one rectangular folding pile distance are manufactured; when cemented soil strength of the crossed folding piles at the two sides reaches certain strength, one rectangular hole is manufactured within the distance of every two crossed folding 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 every rectangular hole to form concrete rectangular folding piles, so that a concave circular end head at the left end of the concrete rectangular folding pile between every two cemented soil crossed folding piles is fitted to a convex circular end head at the right end of the left cemented soil crossed folding pile, and a concave circular end head at the right end of the concrete rectangular folding pile between every two cemented soil crossed folding piles is fitted to aconvex circular end head at the left end of the right cemented soil crossed folding pile, and therefore, a pile wall, which is in mutual circular-arc folding with the plurality of cemented soil crossed folding piles and the concrete rectangular folding pile between every two cemented soil crossed folding piles, is formed; and the pile wall is used for earth retaining and leakage preventing of a building foundation.

Description

Cross pile and the involutory equipment of rectangular pile circular arc
Technical field
The present invention relates to the cross pile and the involutory equipment of rectangular pile circular arc that use in the involutory equipment of a kind of circular arc, particularly a kind of building foundation engineering.
Background technology
Cement-soil pile forming machine is by the multiple drill bit rotational of power drive, the earth of drill bit bottom cuts and stirs into cement earth pile with cement paste by multiple drill bit in rotation process, at present, formed by the Soil-cement rig of other pattern, pile body is all the assembly of multiple cement-soil cylinder, is not the mutual involutory piling wall of cross cement earth pile and rectangular concrete pile.
Summary of the invention
The present invention compensate for above shortcoming, provides a kind ofly can manufacture cross cement soil pile and the involutory cross pile of the mutual circular arc of Rectangular Concrete pile body and the involutory equipment of rectangular pile circular arc.
The present invention is achieved through the following technical solutions:
A kind of cross pile and the involutory equipment of rectangular pile circular arc, comprise cross pile pile forming machine and rectangular pile pile forming machine.
Cross pile pile forming machine comprises following structure: compress into bar one lower end and be fixed on motor one upper end, motor one lower end is fixed with transmission case five; Compress into bar one bottom left end and be fixed with cross bar one, cross bar one left end bottom is fixed with armstand one, armstand one lower end is fixed with transmission case one, compress into bar one bottom right-hand member and be fixed with cross bar two, cross bar two right-hand member bottom is fixed with armstand two, armstand two lower end is fixed with transmission case two, compress into bar one lower front part and be fixed with cross bar three, cross bar three front lower portion is fixed with armstand three, armstand three lower end is fixed with transmission case three, compress 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 lower end is 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 each drilling rod lower end fixes a drill bit respectively; Be connected with one respectively between transmission case five and transmission case one, between transmission case five and transmission case two and turn round axle one, be connected with one respectively between transmission case five and transmission case three, between transmission case five and transmission case four and turn round axle two, each both sides turning round axle one are respectively equipped with one and stir cutter one, each stir that cutter one is fixed on its place by a tool arm turn round axle one, each both sides turning round axle two are respectively equipped with one and stir cutter two, each stir that cutter two is fixed on its place by a tool arm turn round axle two.
Rectangular pile pile forming machine comprises following structure: compress into bar two lower end and be fixed on motor two upper end, driving box three upper end is fixed in motor two lower end; Compress into bar two bottom left end and be 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, compresses 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; Be respectively equipped with a driving shaft one between driving box three and driving box one, between driving box three and driving box two, a linking arm is fixed on the middle both sides of every driving shaft one respectively, and the outer end of each linking arm fixes a stirring cutter respectively; The right back of driving box two and right front export a driving shaft two respectively, and the right-hand member of this each driving shaft two fixes a recessed dise knife respectively; The left back of driving box one and left front export a driving shaft two respectively, and the left end of this each driving shaft two fixes a recessed dise knife respectively.
The present invention has following feature:
The present invention can manufacture cross cement soil pile and the involutory piling wall of 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 front elevation drawing of cross pile pile forming machine;
Fig. 2 is the rear elevation of cross pile pile forming machine;
Fig. 3 is A-A direction view of Fig. 1;
Fig. 4 is B-B view of Fig. 1;
Fig. 5 is the structural representation of rectangular pile pile forming machine;
Fig. 6 is D-D view of Fig. 5;
Fig. 7 is the involutory cross-sectional view of cross pile and rectangular pile circular arc.
In figure: 1, compress into bar one, 2, 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, 24, recessed dise knife; 31, compress into bar two, 32, motor two, 33, driving box three, 34, driving box one, 35, driving box two, 36, transverse arm one, 37, transverse arm two, 38, driving shaft one, 39, stir cutter, 40, vertical rod one, 41, vertical rod two, 44, driving shaft two, 46, linking arm.
Detailed description of the invention
Accompanying drawing is a kind of specific embodiment of the present invention, and this embodiment comprises cross pile pile forming machine and rectangular pile pile forming machine.
Cross pile pile forming machine comprises the structure in Fig. 1, Fig. 2, Fig. 3, Fig. 4, concrete structure is as follows: compress into bar 1 lower end and be fixed on motor 1 upper end, motor one lower end is fixed with transmission case 53, compress into bar one bottom left end and be fixed with cross bar 1, cross bar one left end bottom is fixed with armstand 1, armstand one lower end is fixed with transmission case 1, compress into bar one bottom right-hand member and be fixed with cross bar 27, cross bar two right-hand member bottom is fixed with armstand 2 11, armstand two lower end is fixed with transmission case 25, compress into bar one lower front part and be fixed with cross bar 3 14, cross bar three front lower portion is fixed with armstand 3 15, armstand three lower end is fixed with transmission case 3 16, compress into rear end, bar one bottom and be fixed with cross bar 4 17, cross bar four rear end lower is fixed with armstand 4 18, armstand four lower end is 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 each drilling rod lower end fixes a drill bit 13 respectively, be connected with one respectively between transmission case five and transmission case one, between transmission case five and transmission case two and turn round axle 1, be connected with one respectively between transmission case five and transmission case three, between transmission case five and transmission case four and turn round axle 2 20, each both sides turning round axle one are respectively equipped with one and stir cutter 1, each stir that cutter one is fixed on its place by a tool arm 21 turn round axle one, each both sides turning round axle two are respectively equipped with one and stir cutter 2 22, each stir that cutter two is fixed on its place by a tool arm turn round axle two.
The specific works mode of cross pile pile forming machine is as follows: pile frame is also provided with provisions for grouting, during work, provisions for grouting is to each drill bit grout injection respectively, compress into bar one during work to apply downward to compress into power, motor one drives transmission case five running, on-stream two rotations turning round axle one by left and right of transmission case five drive transmission case one and transmission case two running respectively, and on-stream two rotations turning round axle two by front and back of transmission case five drive transmission case three and transmission case four running respectively; The on-stream bit driven respectively by the drilling rod of under it under it of transmission case one, transmission case two, transmission case three, transmission case four, transmission case five; Turn round axle one for two and stir cutter one rotation respectively by the tool arm drive on it in rotation, turn round axle two for two and stir cutter two rotation respectively by the tool arm drive on it in rotation; The earth of its underpart cuts and stirs with cement paste by five drill bits in rotation, stir cutter one, stir cutter two in rotation by be less than between two drill bits bit diameter, the unhewn part soil body of drill bit and cement paste stir; Compress into bar one and compress into process formation about one two ends downwards respectively with the involutory stake of cross of dome termination.
Rectangular pile pile forming machine comprises the structure in Fig. 5, Fig. 6; Concrete structure is as follows: compress into bar 2 31 lower end and be fixed on motor 2 32 upper end, driving box 3 33 upper end is fixed in motor two lower end; Compress into bar two bottom left end and be 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, compress into bar two bottom right-hand member and be 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; Be respectively equipped with a driving shaft 1 between driving box three and driving box one, between driving box three and driving box two, a linking arm 46 is fixed on the middle both sides of every driving shaft one respectively, and the outer end of each linking arm fixes a stirring cutter 39 respectively; The right back of driving box two and right front export a driving shaft 2 44 respectively, and the right-hand member of this each driving shaft two fixes a recessed dise knife 24 respectively; The left back of driving box one and left front export a driving shaft 2 44 respectively, and the left end of this each driving shaft two fixes a recessed dise knife 24 respectively.
The specific works mode of rectangular pile pile forming machine is as follows: rectangular pile pile forming machine is also provided with high-pressure pump, during work, high-pressure pump injects water under high pressure respectively to each drill bit, motor two drives driving box three running, driving box three is operated by the rotating drive driving box one of driving shaft one, driving box two in operation process, and driving box two drives the relative synchronous axial system of driving shaft two of the driving shaft two of right back and right front respectively in operation process; Driving box one drives the relative synchronous axial system of driving shaft two of the driving shaft two of left back and left front respectively in operation process; Driving box one, driving box two, driving box three drive drill bit rotational respectively by the drilling rod of its lower end, and the soil cutting of its lower end stirs by three drill bits in rotation; Two driving shafts one drive two linking arms on each driving shaft one to drive respectively and stir cutter around driving shaft one rotation, stir cutter and stirred by the part soil cutting being less than bit diameter between every two drill bits in rotation process in rotation; Two driving shafts two of right-hand member drive two of right-hand member recessed dise knifes to rotate respectively in rotation, the soil cutting of the termination of right part is become recessed rounded head by these two recessed dise knifes in rotation, two driving shafts two of left end drive two of left end recessed dise knifes to rotate respectively in rotation, and the soil cutting of the termination of left part is become recessed rounded head by these two recessed dise knifes in rotation; The soil body cut is mixed in mud, and water under high pressure constantly injects, and mud constantly flows out from hole, compresses into bar two and compresses into process formation about one two ends downwards respectively with the rectangular opening of recessed rounded head.
Rectangle involutory stake two ends recessed rounded head and the dome termination at the involutory stake two ends of cross match.
Cross pile pile forming machine and rectangular pile pile forming machine associated working process as follows: first in the original position needing pile axis, an involutory stake of cement-soil cross is manufactured according to the working method of above-mentioned cross pile pile forming machine with cross pile pile forming machine, on the right side of the involutory stake of this cross, the distance of the involutory stake of rectangle in interval manufactures second involutory stake of cement-soil cross again, so manufacture one, multiple interval involutory pilespacing of rectangle from the involutory stake of multiple cement-soil crosss, when the soil cement intensity of the involutory stake of cross on both sides reaches some strength, in spacing again between every two involutory stakes of cross, a rectangular opening is manufactured according to the working method of above-mentioned rectangular pile pile forming machine with rectangular pile pile forming machine, concreting in this rectangular opening, form the involutory stake of concrete rectangular, the recessed rounded head of the concrete rectangular involutory stake left end between every two involutory stakes of cement-soil cross is made to be fit to the dome termination of the involutory stake right-hand member of left side cement-soil cross, the recessed rounded head of concrete rectangular involutory stake right-hand member is fit to the dome termination of the involutory stake left end of the right cement-soil cross, the piling wall that the mutual circular arc of the involutory stake of concrete rectangular between the involutory stake of formation like this multiple cement-soil cross and every two involutory stakes of cement-soil cross is involutory, for the gear soil of building foundation, antiseep.

Claims (1)

1. cross pile and the involutory equipment of rectangular pile circular arc, comprise cross pile pile forming machine and rectangular pile pile forming machine;
It is characterized in that: the concrete structure of cross pile pile forming machine comprises: compress into bar 1 lower end and be fixed on motor 1 upper end, motor one lower end is fixed with transmission case 53, compress into bar one bottom left end and be fixed with cross bar 1, cross bar one left end bottom is fixed with armstand 1, armstand one lower end is fixed with transmission case 1, compress into bar one bottom right-hand member and be fixed with cross bar 27, cross bar two right-hand member bottom is fixed with armstand 2 11, armstand two lower end is fixed with transmission case 25, compress into bar one lower front part and be fixed with cross bar 3 14, cross bar three front lower portion is fixed with armstand 3 15, armstand three lower end is fixed with transmission case 3 16, compress into rear end, bar one bottom and be fixed with cross bar 4 17, cross bar four rear end lower is fixed with armstand 4 18, armstand four lower end is 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 each drilling rod lower end fixes a drill bit 13 respectively, be connected with one respectively between transmission case five and transmission case one, between transmission case five and transmission case two and turn round axle 1, be connected with one respectively between transmission case five and transmission case three, between transmission case five and transmission case four and turn round axle 2 20, each both sides turning round axle one are respectively equipped with one and stir cutter 1, each stir that cutter one is fixed on its place by a tool arm 21 turn round axle one, each both sides turning round axle two are respectively equipped with one and stir cutter 2 22, each stir that cutter two is fixed on its place by a tool arm turn round axle two,
During the work of cross pile pile forming machine, provisions for grouting is to each drill bit grout injection respectively, compress into bar one during work to apply downward to compress into power, motor one drives transmission case five running, on-stream two rotations turning round axle one by left and right of transmission case five drive transmission case one and transmission case two running respectively, and on-stream two rotations turning round axle two by front and back of transmission case five drive transmission case three and transmission case four running respectively; The on-stream bit driven respectively by the drilling rod of under it under it of transmission case one, transmission case two, transmission case three, transmission case four, transmission case five; Turn round axle one for two and stir cutter one rotation respectively by the tool arm drive on it in rotation, turn round axle two for two and stir cutter two rotation respectively by the tool arm drive on it in rotation; The earth of its underpart cuts and stirs with cement paste by five drill bits in rotation, stir cutter one, stir cutter two in rotation by be less than between two drill bits bit diameter, the unhewn part soil body of drill bit and cement paste stir; Compress into bar one and compress into process formation about one two ends downwards respectively with the involutory stake of cross of dome termination;
The concrete structure of rectangular pile pile forming machine comprises: compress into bar 2 31 lower end and be fixed on motor 2 32 upper end, driving box 3 33 upper end is fixed in motor two lower end; Compress into bar two bottom left end and be 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, compress into bar two bottom right-hand member and be 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; Be respectively equipped with a driving shaft 1 between driving box three and driving box one, between driving box three and driving box two, a linking arm 46 is fixed on the middle both sides of every driving shaft one respectively, and the outer end of each linking arm fixes a stirring cutter 39 respectively; The right back of driving box two and right front export a driving shaft 2 44 respectively, and the right-hand member of this each driving shaft two fixes a recessed dise knife 24 respectively; The left back of driving box one and left front export a driving shaft 2 44 respectively, and the left end of this each driving shaft two fixes a recessed dise knife 24 respectively;
During the work of rectangular pile pile forming machine, high-pressure pump injects water under high pressure respectively to each drill bit, motor two drives driving box three running, driving box three is operated by the rotating drive driving box one of driving shaft one, driving box two in operation process, and driving box two drives the relative synchronous axial system of driving shaft two of the driving shaft two of right back and right front respectively in operation process; Driving box one drives the relative synchronous axial system of driving shaft two of the driving shaft two of left back and left front respectively in operation process; Driving box one, driving box two, driving box three drive drill bit rotational respectively by the drilling rod of its lower end, and the soil cutting of its lower end stirs by three drill bits in rotation; Two driving shafts one drive two linking arms on each driving shaft one to drive respectively and stir cutter around driving shaft one rotation, stir cutter and stirred by the part soil cutting being less than bit diameter between every two drill bits in rotation process in rotation; Two driving shafts two of right-hand member drive two of right-hand member recessed dise knifes to rotate respectively in rotation, the soil cutting of the termination of right part is become recessed rounded head by these two recessed dise knifes in rotation, two driving shafts two of left end drive two of left end recessed dise knifes to rotate respectively in rotation, and the soil cutting of the termination of left part is become recessed rounded head by these two recessed dise knifes in rotation; Compress into bar two and compress into process formation about one two ends downwards respectively with the rectangular opening of recessed rounded head;
Cross pile pile forming machine and rectangular pile pile forming machine associated working process: first in the original position needing pile axis, an involutory stake of cement-soil cross is manufactured according to the working method of above-mentioned cross pile pile forming machine with cross pile pile forming machine, on the right side of the involutory stake of this cross, the distance of the involutory stake of rectangle in interval manufactures second involutory stake of cement-soil cross again, so manufacture one, multiple interval involutory pilespacing of rectangle from the involutory stake of multiple cement-soil crosss, when the soil cement intensity of the involutory stake of cross on both sides reaches some strength, in spacing again between every two involutory stakes of cross, a rectangular opening is manufactured according to the working method of above-mentioned rectangular pile pile forming machine with rectangular pile pile forming machine, concreting in this rectangular opening, form the involutory stake of concrete rectangular, the recessed rounded head of the concrete rectangular involutory stake left end between every two involutory stakes of cement-soil cross is made to be fit to the dome termination of the involutory stake right-hand member of left side cement-soil cross, the recessed rounded head of concrete rectangular involutory stake right-hand member is fit to the dome termination of the involutory stake left end of the right cement-soil cross, the piling wall that the mutual circular arc of the involutory stake of concrete rectangular between the involutory stake of formation like this multiple cement-soil cross and every two involutory stakes of cement-soil cross is involutory, for the gear soil of building foundation, antiseep.
CN201511012253.1A 2015-12-31 2015-12-31 Circular-arc folding equipment for crossed piles and rectangular piles Pending CN105421389A (en)

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Application Number Priority Date Filing Date Title
CN201511012253.1A CN105421389A (en) 2015-12-31 2015-12-31 Circular-arc folding equipment for crossed piles and rectangular piles

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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105421401A (en) * 2015-12-31 2016-03-23 叶连国 Rectangular inserting buckling device for cross pile and rectangular pile
CN105421398A (en) * 2015-12-31 2016-03-23 刘玉燕 Trapezoidal inserting device for cross pile and rectangular pile
CN105421392A (en) * 2015-12-31 2016-03-23 叶连国 Circular-arc spigot-joint equipment for crossed piles and rectangular piles
CN105421390A (en) * 2015-12-31 2016-03-23 叶连国 Circular-arc jointing equipment for crossed piles and rectangular piles
CN105951758A (en) * 2016-05-25 2016-09-21 刘莉萍 Insertion connection retaining wall
CN105951757A (en) * 2016-05-25 2016-09-21 刘莉萍 Socket connection combination retaining wall
CN105970925A (en) * 2016-05-25 2016-09-28 刘莉萍 Buckle type retaining wall
CN105970924A (en) * 2016-05-25 2016-09-28 刘莉萍 Locking type diaphragm wall
CN106013102A (en) * 2016-05-25 2016-10-12 刘莉萍 Locking connection retaining wall

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201962688U (en) * 2010-12-02 2011-09-07 中交四航局第一工程有限公司 Diaphram wall wharf pile foundation structure
KR20130094449A (en) * 2012-02-16 2013-08-26 노지연 Apparatus and method for continuous hole drilling
CN104612141A (en) * 2015-02-28 2015-05-13 张璐 T-shaped stirring drilling machine
CN104727313A (en) * 2015-04-12 2015-06-24 张璐 Four-end stirring drill rig
CN105178296A (en) * 2015-08-09 2015-12-23 朱艳菊 H-shaped mixing pile equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201962688U (en) * 2010-12-02 2011-09-07 中交四航局第一工程有限公司 Diaphram wall wharf pile foundation structure
KR20130094449A (en) * 2012-02-16 2013-08-26 노지연 Apparatus and method for continuous hole drilling
CN104612141A (en) * 2015-02-28 2015-05-13 张璐 T-shaped stirring drilling machine
CN104727313A (en) * 2015-04-12 2015-06-24 张璐 Four-end stirring drill rig
CN105178296A (en) * 2015-08-09 2015-12-23 朱艳菊 H-shaped mixing pile equipment

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105421401A (en) * 2015-12-31 2016-03-23 叶连国 Rectangular inserting buckling device for cross pile and rectangular pile
CN105421398A (en) * 2015-12-31 2016-03-23 刘玉燕 Trapezoidal inserting device for cross pile and rectangular pile
CN105421392A (en) * 2015-12-31 2016-03-23 叶连国 Circular-arc spigot-joint equipment for crossed piles and rectangular piles
CN105421390A (en) * 2015-12-31 2016-03-23 叶连国 Circular-arc jointing equipment for crossed piles and rectangular piles
CN105951758A (en) * 2016-05-25 2016-09-21 刘莉萍 Insertion connection retaining wall
CN105951757A (en) * 2016-05-25 2016-09-21 刘莉萍 Socket connection combination retaining wall
CN105970925A (en) * 2016-05-25 2016-09-28 刘莉萍 Buckle type retaining wall
CN105970924A (en) * 2016-05-25 2016-09-28 刘莉萍 Locking type diaphragm wall
CN106013102A (en) * 2016-05-25 2016-10-12 刘莉萍 Locking connection retaining wall

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Application publication date: 20160323