CN105544515A - Rectangular locking port pi pile forming machine - Google Patents
Rectangular locking port pi pile forming machine Download PDFInfo
- Publication number
- CN105544515A CN105544515A CN201511012142.0A CN201511012142A CN105544515A CN 105544515 A CN105544515 A CN 105544515A CN 201511012142 A CN201511012142 A CN 201511012142A CN 105544515 A CN105544515 A CN 105544515A
- Authority
- CN
- China
- Prior art keywords
- reducer
- rotation
- turning cylinder
- pile
- soil
- 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.)
- Withdrawn
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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
- E02D5/22—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
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- 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
-
- 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
- E02D2200/1635—Shapes rectangular made from single element
Abstract
The invention discloses a rectangular locking port pi pile forming machine. Multiple concrete soil pi-shaped locking port piles spaced one pi-shaped locking port pile from each other are produced; when concrete soil of the pi-shaped locking port piles on two sides reaches a certain strength, pi-shaped holes are formed in gaps between every two concrete soil pi-shaped locking port piles according to a pi-shaped hole production working mode of a pile forming machine; concrete is poured in the pi-shaped holes to form concrete pi-shaped locking port piles; and rectangular grooves of the concrete pi-shaped locking port piles between every two cement soil pi-shaped locking port piles are matched with rectangular plugs of the cement soil pi-shaped locking port piles, and rectangular plugs of the concrete pi-shaped locking port piles between every two cement soil pi-shaped locking port piles are matched with rectangular grooves of the cement soil pi-shaped locking port piles, so that pile walls for spaced arrangement and mutual locking between the cement soil pi-shaped locking port piles and the concrete pi-shaped locking port piles are formed for soil retaining and leakage prevention of building foundations.
Description
Technical field
The present invention relates to a kind of pile forming machine, the rectangle fore shaft π stake pile forming machine particularly used in a kind of building foundation engineering.
Background technology
Cement-soil pile forming machine is, by the rotation of drill bit, soil cutting and cement paste are stirred pile, and at present, formed by the cement-soil pile forming machine of other pattern, pile body is all the assembly of multiple cement-soil cylinder, is not the π shape cement-soil pile of mutual fore shaft.
Summary of the invention
The present invention compensate for above shortcoming, provides a kind of rectangle fore shaft π stake pile forming machine that can manufacture cement-soil π shape pile body and the mutual rectangle fore shaft of concrete π shape pile body.
The present invention is achieved through the following technical solutions:
A kind of rectangle fore shaft π stake pile forming machine, the left part back of transverse arm one is fixed with transverse arm two, the right part back of transverse arm one is fixed with transverse arm three, form a π shape framework thus, the front end of transverse arm two is fixed in the lower end of press rods one, and the front end of transverse arm three is fixed in the lower end of press rods two, the middle lower portion of transverse arm one is fixed with column one, the lower end of column one is fixed with motor, the lower end of motor is fixed with reducer one, in the middle of the left part of transverse arm one, lower end is fixed with column two, the lower end of column two is fixed with reducer two, the left end bottom of transverse arm one is fixed with column four, the lower end of column four is fixed with reducer four, in the middle of the right part of transverse arm one, lower end is fixed with column three, the lower end of column three is fixed with reducer three, the right-hand member bottom of transverse arm one is fixed with column five, the lower end of column five is fixed with reducer five, the rear end lower of transverse arm two is fixed with column six, the lower end of column six is fixed with reducer six, the rear end lower of transverse arm three is fixed with column seven, the lower end of column seven is fixed with reducer seven, a turning cylinder one is respectively equipped with between reducer one and reducer two, between reducer one and reducer three, between reducer two and reducer four, between reducer three and reducer five, between reducer two and reducer six, between reducer three and reducer seven, a link arm is fixed on the middle both sides of each turning cylinder one respectively, and the outer end of each link arm fixes a cursor one respectively, the right-hand member rear portion of reducer five and right-hand member front portion export a turning cylinder two respectively, and the right-hand member of each turning cylinder two fixes a rectangle cutter respectively, the left end of reducer four exports a turning cylinder three, and a cursor two is fixed on the both sides of turning cylinder three respectively.
The present invention has following feature:
The present invention can manufacture the piling wall of cement-soil π shape pile body and the mutual rectangle fore shaft of concrete π shape 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 structural representation of the present invention;
Fig. 2 is A-A direction view of Fig. 1;
Fig. 3 is B-B view of Fig. 1;
Fig. 4 is C-C direction view of Fig. 1;
Fig. 5 is the rectangle fore shaft figure of multiple π shape locking notch pile.
In figure: 1, press rods one, 2, press rods two, 3, reducer one, 4, reducer two, 5, reducer three, 6, reducer four, 7, reducer five, 8, turning cylinder one, 9, cursor one, 10, column one, 11, motor, 12, drilling rod, 13, drill bit, 14, turning cylinder two, 15, rectangle cutter, 16, transverse arm one, 17, column two, 18, column three, 19, column four, 20, column five, 21, transverse arm two, 22, transverse arm three, 23, column six, 24, column seven, 25, reducer six, 26, reducer seven, 27, link arm, 28, turning cylinder three, 29, cursor two.
Detailed description of the invention
Accompanying drawing is a kind of specific embodiment of the present invention, and the left part back of this embodiment transverse arm 1 is fixed with transverse arm 2 21, the right part back of transverse arm one is fixed with transverse arm 3 22, thus transverse arm one, transverse arm two, transverse arm three form a π shape framework, the front end of transverse arm two is fixed in the lower end of press rods 1, and the front end of transverse arm three is fixed in the lower end of press rods 22, the middle lower portion of transverse arm one is fixed with column 1, the lower end of column one is fixed with motor 11, the lower end of motor is fixed with reducer 1, in the middle of the left part of transverse arm one, lower end is fixed with column 2 17, the lower end of column two is fixed with reducer 24, the left end bottom of transverse arm one is fixed with column 4 19, the lower end of column four is fixed with reducer 46, in the middle of the right part of transverse arm one, lower end is fixed with column 3 18, the lower end of column three is fixed with reducer 35, the right-hand member bottom of transverse arm one is fixed with column 5 20, the lower end of column five is fixed with reducer 57, the rear end lower of transverse arm two is fixed with column 6 23, the lower end of column six is fixed with reducer 6 25, the rear end lower of transverse arm three is fixed with column 7 24, the lower end of column seven is fixed with reducer 7 26, the lower end of reducer one, reducer two, reducer three, reducer four, reducer five, reducer six, reducer seven is respectively equipped with a drilling rod 12, and the lower end of each drilling rod is respectively equipped with a drill bit 13, a turning cylinder 1 is respectively equipped with between reducer one and reducer two, between reducer one and reducer three, between reducer two and reducer four, between reducer three and reducer five, between reducer two and reducer six, between reducer three and reducer seven, a link arm 27 is fixed on the middle both sides of each turning cylinder one respectively, and the outer end of each link arm fixes a cursor 1 respectively, the right-hand member rear portion of reducer five and right-hand member front portion export a turning cylinder 2 14 respectively, and the right-hand member of each turning cylinder two fixes a rectangle cutter 15 respectively, the left end of reducer four exports a turning cylinder 3 28, and a cursor 2 29 is fixed on the both sides of turning cylinder three respectively.
Cursor one on left and right, rear three turning cylinders one of reducer two differs certain angle in rotation, is independent of each other mutually in rotation.
Cursor one on left and right, rear three turning cylinders one of reducer three differs certain angle in rotation, is independent of each other mutually in rotation.
The present invention manufactures the working method of cement-soil π shape stake: during work, high-pressure pump injects cement paste respectively to each drill bit, motor drives reducer one to operate, the on-stream rotation by two turning cylinders one in left and right of reducer one drives reducer two and reducer three running respectively, reducer two is on-stream by left, the rotation of latter two turning cylinder one drives reducer four and reducer six running respectively, reducer three is on-stream by right, the rotation of latter two turning cylinder one drives reducer five and reducer seven running respectively, reducer five drives the relative synchronous axial system of turning cylinder two of the turning cylinder two of right back and right front respectively in operation process, the on-stream driving turning cylinder three of reducer four rotates, reducer one, reducer two, reducer three, reducer four, reducer five, reducer six, reducer seven drive drill bit rotational respectively by the drilling rod of its lower end, and the earth of its lower end and cement paste stir by seven drill bits in rotation, six turning cylinders one drive two link arms on each turning cylinder one to drive cursors one to rotate moving axis one rotation respectively in rotation, the part earth and cement paste that are less than bit diameter between every two drill bits stir by cursor one in rotation process, become π shape cement earth pile thus, two turning cylinders two drive the rectangle swivel on turning cylinder two to move respectively in rotation, the soil body of the termination of π shape stake right part and cement paste are stirred into rectangle tongue and groove by rectangle cutter in rotation, turning cylinder three drives cursor two rotation on turning cylinder three in rotation, the soil body of π shape stake left part termination and cement paste are stirred into rectangular insert by cursor two in rotation, the rectangle tongue and groove of right part and the rectangular insert of left part match, press rods one, press rods two are compressed into process and are formed left end with rectangular insert, right-hand member with the π shape locking notch pile of rectangle tongue and groove downwards.
The present invention manufactures the working method of concrete π shape stake: during work, high-pressure pump injects water under high pressure respectively to each drill bit, motor drives reducer one to operate, the on-stream rotation by two turning cylinders one in left and right of reducer one drives reducer two and reducer three running respectively, reducer two is on-stream by left, the rotation of latter two turning cylinder one drives reducer four and reducer six running respectively, reducer three is on-stream by right, the rotation of latter two turning cylinder one drives reducer five and reducer seven running respectively, reducer five drives the relative synchronous axial system of turning cylinder two of the turning cylinder two of right back and right front respectively in operation process, the on-stream driving turning cylinder three of reducer four rotates, reducer one, reducer two, reducer three, reducer four, reducer five, reducer six, reducer seven drive drill bit rotational respectively by the drilling rod of its lower end, and the soil cutting of its lower end stirs by seven drill bits in rotation, six turning cylinders one drive two link arms on each turning cylinder one to drive cursors one to rotate moving axis one rotation respectively in rotation, and cursor one will be less than bit diameter in rotation process part soil cutting between every two drill bits stirs, two turning cylinders two drive the rectangle swivel on turning cylinder two to move respectively in rotation, rectangle cutter in rotation by orthogonal for the soil cutting of the termination of right part tongue and groove, turning cylinder three drives cursor two rotation on turning cylinder three in rotation, cursor two is by orthogonal for the soil cutting of left part termination plug in rotation, and the rectangle tongue and groove of right part and the rectangular insert of left part match, the soil body cut is mixed in mud, and water under high pressure constantly injects, and mud constantly flows out from hole, and press rods one, press rods two are compressed into process and formed left end with rectangular insert, right-hand member with the π shape hole of rectangle tongue and groove downwards.
The working method that the present invention manufactures the piling wall of π shape cement earth pile and the mutual fore shaft of π shape concrete pile is as follows: first in the original position needing pile axis, a cement-soil π shape locking notch pile is manufactured by the working method that pile forming machine manufactures cement earth pile according to above-mentioned pile forming machine, on the right side of this π shape locking notch pile, the distance of the π shape locking notch pile in interval manufactures second cement-soil π shape locking notch pile again, so manufactures multiple cement-soil π shape locking notch piles of the π shape locking notch pile distance in multiple interval, when the soil cement intensity of the π shape locking notch pile on both sides reaches some strength, the working method manufacturing π shape hole according to above-mentioned pile forming machine in spacing again between every two cement-soil π shape locking notch piles manufactures a π shape hole respectively, concreting in this π shape hole, form concrete π shape locking notch pile, the rectangle tongue and groove of the concrete π shape locking notch pile between every two cement-soil π shape locking notch piles is made to be fit to the rectangular insert of cement-soil π shape locking notch pile, the rectangular insert of the concrete π shape locking notch pile between every two cement-soil π shape locking notch piles is fit to the rectangle tongue and groove of cement-soil π shape locking notch pile, formation cement-soil π shape locking notch pile like this and concrete π shape locking notch pile are spaced the piling wall of mutual fore shaft, for the gear soil of building foundation, antiseep.
Claims (1)
1. a rectangle fore shaft π stake pile forming machine, the left part back of transverse arm 1 is fixed with transverse arm 2 21, the right part back of transverse arm one is fixed with transverse arm 3 22, thus transverse arm one, transverse arm two, transverse arm three form a π shape framework, the front end of transverse arm two is fixed in the lower end of press rods 1, and the front end of transverse arm three is fixed in the lower end of press rods 22, the middle lower portion of transverse arm one is fixed with column 1, the lower end of column one is fixed with motor 11, the lower end of motor is fixed with reducer 1, in the middle of the left part of transverse arm one, lower end is fixed with column 2 17, the lower end of column two is fixed with reducer 24, the left end bottom of transverse arm one is fixed with column 4 19, the lower end of column four is fixed with reducer 46, in the middle of the right part of transverse arm one, lower end is fixed with column 3 18, the lower end of column three is fixed with reducer 35, the right-hand member bottom of transverse arm one is fixed with column 5 20, the lower end of column five is fixed with reducer 57, the rear end lower of transverse arm two is fixed with column 6 23, the lower end of column six is fixed with reducer 6 25, the rear end lower of transverse arm three is fixed with column 7 24, the lower end of column seven is fixed with reducer 7 26, the lower end of reducer one, reducer two, reducer three, reducer four, reducer five, reducer six, reducer seven is respectively equipped with a drilling rod 12, and the lower end of each drilling rod is respectively equipped with a drill bit 13, a turning cylinder 1 is respectively equipped with between reducer one and reducer two, between reducer one and reducer three, between reducer two and reducer four, between reducer three and reducer five, between reducer two and reducer six, between reducer three and reducer seven, a link arm 27 is fixed on the middle both sides of each turning cylinder one respectively, and the outer end of each link arm fixes a cursor 1 respectively, the right-hand member rear portion of reducer five and right-hand member front portion export a turning cylinder 2 14 respectively, and the right-hand member of each turning cylinder two fixes a rectangle cutter 15 respectively, the left end of reducer four exports a turning cylinder 3 28, and a cursor 2 29 is fixed on the both sides of turning cylinder three respectively,
It is characterized in that: pile forming machine manufactures the working method of cement-soil π shape stake: during work, high-pressure pump injects cement paste respectively to each drill bit, motor drives reducer one to operate, the on-stream rotation by two turning cylinders one in left and right of reducer one drives reducer two and reducer three running respectively, reducer two is on-stream by left, the rotation of latter two turning cylinder one drives reducer four and reducer six running respectively, reducer three is on-stream by right, the rotation of latter two turning cylinder one drives reducer five and reducer seven running respectively, reducer five drives the relative synchronous axial system of turning cylinder two of the turning cylinder two of right back and right front respectively in operation process, the on-stream driving turning cylinder three of reducer four rotates, reducer one, reducer two, reducer three, reducer four, reducer five, reducer six, reducer seven drive drill bit rotational respectively by the drilling rod of its lower end, and the earth of its lower end and cement paste stir by seven drill bits in rotation, six turning cylinders one drive two link arms on each turning cylinder one to drive cursors one to rotate moving axis one rotation respectively in rotation, the part earth and cement paste that are less than bit diameter between every two drill bits stir by cursor one in rotation process, become π shape cement earth pile thus, two turning cylinders two drive the rectangle swivel on turning cylinder two to move respectively in rotation, the soil body of the termination of π shape stake right part and cement paste are stirred into rectangle tongue and groove by rectangle cutter in rotation, turning cylinder three drives cursor two rotation on turning cylinder three in rotation, the soil body of π shape stake left part termination and cement paste are stirred into rectangular insert by cursor two in rotation, the rectangle tongue and groove of right part and the rectangular insert of left part match, press rods one, press rods two are compressed into process and are formed left end with rectangular insert, right-hand member with the π shape locking notch pile of rectangle tongue and groove downwards,
Pile forming machine manufactures the working method of concrete π shape stake: during work, high-pressure pump injects water under high pressure respectively to each drill bit, motor drives reducer one to operate, the on-stream rotation by two turning cylinders one in left and right of reducer one drives reducer two and reducer three running respectively, reducer two is on-stream by left, the rotation of latter two turning cylinder one drives reducer four and reducer six running respectively, reducer three is on-stream by right, the rotation of latter two turning cylinder one drives reducer five and reducer seven running respectively, reducer five drives the relative synchronous axial system of turning cylinder two of the turning cylinder two of right back and right front respectively in operation process, the on-stream driving turning cylinder three of reducer four rotates, reducer one, reducer two, reducer three, reducer four, reducer five, reducer six, reducer seven drive drill bit rotational respectively by the drilling rod of its lower end, and the soil cutting of its lower end stirs by seven drill bits in rotation, six turning cylinders one drive two link arms on each turning cylinder one to drive cursors one to rotate moving axis one rotation respectively in rotation, and cursor one will be less than bit diameter in rotation process part soil cutting between every two drill bits stirs, two turning cylinders two drive the rectangle swivel on turning cylinder two to move respectively in rotation, rectangle cutter in rotation by orthogonal for the soil cutting of the termination of right part tongue and groove, turning cylinder three drives cursor two rotation on turning cylinder three in rotation, cursor two is by orthogonal for the soil cutting of left part termination plug in rotation, and the rectangle tongue and groove of right part and the rectangular insert of left part match, the soil body cut is mixed in mud, and water under high pressure constantly injects, and mud constantly flows out from hole, and press rods one, press rods two are compressed into process and formed left end with rectangular insert, right-hand member with the π shape hole of rectangle tongue and groove downwards,
Pile forming machine manufactures the working method of the piling wall of π shape cement earth pile and the mutual fore shaft of π shape concrete pile: first in the original position needing pile axis, a cement-soil π shape locking notch pile is manufactured by the working method that pile forming machine manufactures cement earth pile according to above-mentioned pile forming machine, on the right side of this π shape locking notch pile, the distance of the π shape locking notch pile in interval manufactures second cement-soil π shape locking notch pile again, so manufactures multiple cement-soil π shape locking notch piles of the π shape locking notch pile distance in multiple interval, when the soil cement intensity of the π shape locking notch pile on both sides reaches some strength, the working method manufacturing π shape hole according to above-mentioned pile forming machine in spacing again between every two cement-soil π shape locking notch piles manufactures a π shape hole respectively, concreting in this π shape hole, form concrete π shape locking notch pile, the rectangle tongue and groove of the concrete π shape locking notch pile between every two cement-soil π shape locking notch piles is made to be fit to the rectangular insert of cement-soil π shape locking notch pile, the rectangular insert of the concrete π shape locking notch pile between every two cement-soil π shape locking notch piles is fit to the rectangle tongue and groove of cement-soil π shape locking notch pile, formation cement-soil π shape locking notch pile like this and concrete π shape locking notch pile are spaced the piling wall of mutual fore shaft, for the gear soil of building foundation, antiseep.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511012142.0A CN105544515A (en) | 2015-12-31 | 2015-12-31 | Rectangular locking port pi pile forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511012142.0A CN105544515A (en) | 2015-12-31 | 2015-12-31 | Rectangular locking port pi pile forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105544515A true CN105544515A (en) | 2016-05-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511012142.0A Withdrawn CN105544515A (en) | 2015-12-31 | 2015-12-31 | Rectangular locking port pi pile forming machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN105544515A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464102A (en) * | 2015-12-31 | 2016-04-06 | 吕文娥 | Forming machine for rectangular locking pi-shaped(pi);(phi)piles |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5007770A (en) * | 1989-12-04 | 1991-04-16 | Simmons Robert J | Method and apparatus for constructing a subsurface retaining wall |
| JP2010007329A (en) * | 2008-06-26 | 2010-01-14 | Sumitomo Forestry Co Ltd | Agitating device for columnar improvement |
| 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 |
| CN104863142A (en) * | 2015-06-05 | 2015-08-26 | 张璐 | Pentagonal prism composite soil pile machine |
| CN105113494A (en) * | 2015-08-09 | 2015-12-02 | 刘玉秋 | N-shaped retaining pile forming machine |
| CN105133584A (en) * | 2015-08-09 | 2015-12-09 | 刘玉燕 | Socket pile molding device |
| CN105464102A (en) * | 2015-12-31 | 2016-04-06 | 吕文娥 | Forming machine for rectangular locking pi-shaped(pi);(phi)piles |
| CN105672268A (en) * | 2015-12-31 | 2016-06-15 | 吕文娥 | Rectangular locking pi-shaped pile forming machine |
-
2015
- 2015-12-31 CN CN201511012142.0A patent/CN105544515A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5007770A (en) * | 1989-12-04 | 1991-04-16 | Simmons Robert J | Method and apparatus for constructing a subsurface retaining wall |
| JP2010007329A (en) * | 2008-06-26 | 2010-01-14 | Sumitomo Forestry Co Ltd | Agitating device for columnar improvement |
| 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 |
| CN104863142A (en) * | 2015-06-05 | 2015-08-26 | 张璐 | Pentagonal prism composite soil pile machine |
| CN105113494A (en) * | 2015-08-09 | 2015-12-02 | 刘玉秋 | N-shaped retaining pile forming machine |
| CN105133584A (en) * | 2015-08-09 | 2015-12-09 | 刘玉燕 | Socket pile molding device |
| CN105464102A (en) * | 2015-12-31 | 2016-04-06 | 吕文娥 | Forming machine for rectangular locking pi-shaped(pi);(phi)piles |
| CN105672268A (en) * | 2015-12-31 | 2016-06-15 | 吕文娥 | Rectangular locking pi-shaped pile forming machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105464102A (en) * | 2015-12-31 | 2016-04-06 | 吕文娥 | Forming machine for rectangular locking pi-shaped(pi);(phi)piles |
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| C10 | Entry into substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160504 |
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| WW01 | Invention patent application withdrawn after publication |