CN105887843A - Y-shaped plugging pile wall forming equipment - Google Patents
Y-shaped plugging pile wall forming equipment Download PDFInfo
- Publication number
- CN105887843A CN105887843A CN201610296235.9A CN201610296235A CN105887843A CN 105887843 A CN105887843 A CN 105887843A CN 201610296235 A CN201610296235 A CN 201610296235A CN 105887843 A CN105887843 A CN 105887843A
- Authority
- CN
- China
- Prior art keywords
- pile
- recessed
- dise knife
- post
- round stake
- 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- Withdrawn
Links
- 239000002689 soil Substances 0.000 claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 239000004568 cement Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 13
- 238000005553 drilling Methods 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000011083 cement mortar Substances 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- 239000011440 grout Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/18—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 OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
-
- 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
- E02D2200/00—Geometrical or physical properties
- E02D2200/16—Shapes
- E02D2200/1685—Shapes cylindrical
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses Y-shaped plugging pile wall forming equipment which comprises a concave circular pile forming machine and a cylindrical pile forming machine. The equipment is used for manufacturing a Y-shaped plugging pile wall by mutually plugging multiple concrete cylindrical piles, cemented soil concave circular piles between adjacent concrete cylindrical piles, cemented soil concave circular piles at the front parts of the odd concrete cylindrical piles and cemented soil concave circular piles at the rear parts of the even concrete cylindrical piles, to retain soil and prevent leakage of a building foundation.
Description
Technical field
The present invention relates to a kind of become wall equipment, recessed round stake circular arc mutual with the cylinder pile grafting used in a kind of building foundation engineering formation Y shape grafting piling wall become wall equipment.
Background technology
Soil cement pile-formation machine is to be rotated by the multiple drill bit of power drive, the earth of drill bit bottom is cut in rotation process and stirs into cement earth pile with cement mortar by multiple drill bits, at present, be used for keeping off soil in building foundation engineering, the cement-soil pile of antiseepage is all to be formed by multiple concrete cylindricals overlap joint.
Summary of the invention
The present invention compensate for disadvantage mentioned above, it is provided that a kind of recessed round stake circular arc mutual with cylinder pile grafting formed Y shape grafting piling wall become wall equipment.
The present invention is achieved through the following technical solutions:
A kind of Y shape grafting piling wall becomes wall equipment, including recessed round stake pile-formation machine and cylinder pile pile-formation machine.
Recessed round stake pile-formation machine includes following structure: the middle upper portion of steel pipe support is fixed in the lower end of drilling rod one, the middle lower portion of steel pipe support is fixed on the upper end of steel plate support two, the shell middle upper portion of motor two is fixed in the lower end of steel plate support two, the front end output shaft of motor two is fixed with first half dome tool post, and the rear end output shaft of motor two is fixed with later half dome tool post;The upper end of steel plate support one is fixed in the left end bottom of steel pipe support, the shell middle upper portion of motor one is fixed in the lower end of steel plate support one, the front end output shaft of motor one is fixed with first half recessed dise knife post one, and the rear end output shaft of motor one is fixed with later half recessed dise knife post one;The upper end of steel plate support three is fixed in the right-hand member bottom of steel pipe support, the shell middle upper portion of motor three is fixed in the lower end of steel plate support three, the front end output shaft of motor three is fixed with first half recessed dise knife post two, and the rear end output shaft of motor three is fixed with later half recessed dise knife post two;First half recessed dise knife post one and later half recessed dise knife post one form a umbilicate recessed dise knife post, first half recessed dise knife post two and later half recessed dise knife post two and form another umbilicate recessed dise knife post, and the side surface of each recessed dise knife post is separately installed with multiple cutter head;First half dome tool post and later half dome tool post form the dome tool post that a centre is convex, and the side surface of dome tool post is provided with multiple cutter head;The concave arc of recessed dise knife post cross section coincide with the dome arc of dome tool post cross section.
Cylinder pile pile-formation machine includes following structure: the upper end of the lower end fixed motor four of drilling rod two, the output shaft of motor four lower end is fixed with drill bit.
The present invention has a following feature:
The present invention can manufacture the anterior recessed round stake of soil cement of the recessed round stake of the soil cement between multiple concrete circular stanchion and adjacent concrete circular stanchion and odd number concrete circular stanchion, the recessed round stake of soil cement at even number concrete circular stanchion rear portion is mutually inserted the Y shape grafting piling wall of formation, for gear soil, the antiseep on building basis.
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with the accompanying drawings:
Fig. 1 is the front view of recessed round stake pile-formation machine;
Fig. 2 is the rearview of recessed round stake pile-formation machine
Fig. 3 is the A A view of Fig. 1;
Fig. 4 is the front view of cylinder pile pile-formation machine;
Fig. 5 is the cross-sectional view that recessed round stake is mutually inserted the Y shape grafting piling wall of formation with cylinder pile.
In figure: 1, drilling rod one, 2, steel pipe support, 3, steel plate support one, 4, steel plate support two, 5, steel plate support three, 6, motor one, 7, motor two, 8, motor three, 9, first half recessed dise knife post one, 10, first half dome tool post, 11, first half recessed dise knife post two, 12, cutter head, 13, later half recessed dise knife post one, 14, later half dome tool post, 15, later half recessed dise knife post two, 16, output shaft;21, drilling rod two, 22, motor four, 23, drill bit.
Detailed description of the invention
Accompanying drawing is a kind of specific embodiment of the present invention, and this embodiment includes recessed round stake pile-formation machine and cylinder pile pile-formation machine.
Recessed round stake pile-formation machine includes the structure in Fig. 1, Fig. 2, Fig. 3;Concrete structure is as follows: the middle upper portion of steel pipe support 2 is fixed in the lower end of drilling rod 1, the middle lower portion of steel pipe support is fixed on the upper end of steel plate support 24, the shell middle upper portion of motor 27 is fixed in the lower end of steel plate support two, the front end output shaft 16 of motor two is fixed with first half dome tool post 10, and the rear end output shaft of motor two is fixed with later half dome tool post 14;The upper end of steel plate support 1 is fixed in the left end bottom of steel pipe support, the shell middle upper portion of motor 1 is fixed in the lower end of steel plate support one, the front end output shaft 16 of motor one is fixed with first half recessed dise knife post 1, and the rear end output shaft of motor one is fixed with later half recessed dise knife post 1;The upper end of steel plate support 35 is fixed in the right-hand member bottom of steel pipe support, the shell middle upper portion of motor 38 is fixed in the lower end of steel plate support three, the front end output shaft of motor three is fixed with first half recessed dise knife post 2 11, and the rear end output shaft of motor three is fixed with later half recessed dise knife post 2 15;First half recessed dise knife post one and later half recessed dise knife post one form a umbilicate recessed dise knife post, first half recessed dise knife post two and later half recessed dise knife post two and form another umbilicate recessed dise knife post, and the side surface of each recessed dise knife post is separately installed with multiple cutter head 12;First half dome tool post and later half dome tool post form the dome tool post that a centre is convex, and the side surface of dome tool post is provided with multiple cutter head 12;The concave arc of recessed dise knife post cross section coincide with the dome arc of dome tool post cross section.
Recessed round stake pile-formation machine can work independently, specific works mode is as follows: during work, grout injection is distinguished at the position between grouting pump dise knife recessed to left side post and middle dome tool post and between the right recessed dise knife post and middle dome tool post, motor one drives first half recessed dise knife post one and the rotating forward of later half recessed dise knife post one, motor three drives first half recessed dise knife post two and the reversion of later half recessed dise knife post two, motor two drives first half dome tool post to rotate forward, motor two drives later half dome tool post to invert, first half recessed dise knife post one, later half recessed dise knife post one, first half recessed dise knife post two, later half recessed dise knife post two and first half dome tool post, the soil body of its lower end is stirred in rotation by later half dome tool post with cement mortar;Left end is stirred into concave arc in rotation by first half recessed dise knife post one, later half recessed dise knife post one, and right-hand member is stirred into concave arc in rotation by first half recessed dise knife post two, later half recessed dise knife post two;Drilling rod one forms, during being pressed into downwards, the recessed round stake of soil cement that about one two ends are respectively provided with concave arc.
Cylinder pile pile-formation machine includes the structure in Fig. 4;Concrete structure is as follows: the upper end of the lower end fixed motor 4 22 of drilling rod 2 21, and the output shaft of motor four lower end is fixed with drill bit 23.
Cylinder pile pile-formation machine can work independently, specific works mode is as follows: during work, grouting pump irrigates water under high pressure to drill bit, motor four drives bit, drill bit in rotary course by the soil cutting of drill bit lower end, the soil body machined away is mixed in mud, and water under high pressure constantly fills, and mud constantly flows out from circular hole, drilling rod two forms the circular hole of certain depth during being pressed into, casting concrete, formation concrete circular stanchion in this hole.
The dome arc of cylinder pile coincide with the concave arc at two ends, recessed round stake left and right.
nullThe working method that recessed round stake pile-formation machine manufactures Y shape grafting piling wall with cylinder pile pile-formation machine is as follows: first in the position needing pile,First concrete circular stanchion is manufactured according to the working method of above-mentioned cylinder pile pile-formation machine with cylinder pile pile-formation machine,Right lateral side at this cylinder pile、The distance being spaced a recessed round stake manufactures second concrete circular stanchion,Second cylinder pile forward right side、The distance being spaced a recessed round stake manufactures the 3rd concrete circular stanchion,The 3rd cylinder pile right lateral side、The distance being spaced a recessed round stake manufactures the 4th concrete circular stanchion,So manufacture the recessed round pilespacing in one, multiple intervals from concrete circular stanchion,When the concrete strength of the concrete circular stanchion on both sides reaches a timing,In spacing between two the most adjacent cylinder piles、A recessed round stake of soil cement is manufactured respectively according to the working method of above-mentioned recessed round stake pile-formation machine with recessed round stake pile-formation machine,The concave arc making two ends, each soil cement recessed round stake left and right is fit to the cylindrical of the concrete circular stanchion at two ends, left and right respectively;In the front portion of odd number cylinder pile, manufacture a recessed round stake of soil cement with recessed round stake pile-formation machine respectively according to the working method of above-mentioned recessed round stake pile-formation machine, make the concave arc of the recessed round stake rear end of soil cement of odd number cylinder pile front portion be fit to the cylindrical of this odd number cylinder pile;At the rear portion of even number cylinder pile, manufacture a recessed round stake of soil cement with recessed round stake pile-formation machine respectively according to the working method of above-mentioned recessed round stake pile-formation machine, make the concave arc of the recessed round stake rear end of soil cement of even number cylinder pile front portion be fit to the cylindrical of this even number cylinder pile;The anterior recessed round stake of soil cement of the recessed round stake of soil cement being thusly-formed between multiple concrete circular stanchion and adjacent concrete circular stanchion and odd number concrete circular stanchion, the recessed round stake of soil cement at even number concrete circular stanchion rear portion are mutually inserted the Y shape grafting piling wall of formation, for gear soil, the antiseep on building basis.
Claims (1)
1. Y shape grafting piling wall becomes a wall equipment, including recessed round stake pile-formation machine and cylinder pile pile-formation machine, it is characterised in that:
The concrete structure of described recessed round stake pile-formation machine includes: the middle upper portion of steel pipe support (2) is fixed in the lower end of drilling rod one (1), the middle lower portion of steel pipe support is fixed on the upper end of steel plate support two (4), the shell middle upper portion of motor two (7) is fixed in the lower end of steel plate support two, the front end output shaft (16) of motor two is fixed with first half dome tool post (10), and the rear end output shaft of motor two is fixed with later half dome tool post (14);The upper end of steel plate support one (3) is fixed in the left end bottom of steel pipe support, the shell middle upper portion of motor one (6) is fixed in the lower end of steel plate support one, the front end output shaft (16) of motor one is fixed with first half recessed dise knife post one (9), and the rear end output shaft of motor one is fixed with later half recessed dise knife post one (13);The upper end of steel plate support three (5) is fixed in the right-hand member bottom of steel pipe support, the shell middle upper portion of motor three (8) is fixed in the lower end of steel plate support three, the front end output shaft of motor three is fixed with first half recessed dise knife post two (11), and the rear end output shaft of motor three is fixed with later half recessed dise knife post two (15);First half recessed dise knife post one and later half recessed dise knife post one form a umbilicate recessed dise knife post, first half recessed dise knife post two and later half recessed dise knife post two and form another umbilicate recessed dise knife post, and the side surface of each recessed dise knife post is separately installed with multiple cutter head (12);First half dome tool post and later half dome tool post form the dome tool post that a centre is convex, and the side surface of dome tool post is provided with multiple cutter head (12);The concave arc of recessed dise knife post cross section coincide with the dome arc of dome tool post cross section;
The working method of described recessed round stake pile-formation machine: during work, grout injection is distinguished at the position between grouting pump dise knife recessed to left side post and middle dome tool post and between the right recessed dise knife post and middle dome tool post, motor one drives first half recessed dise knife post one and the rotating forward of later half recessed dise knife post one, motor three drives first half recessed dise knife post two and the reversion of later half recessed dise knife post two, motor two drives first half dome tool post to rotate forward, motor two drives later half dome tool post to invert, first half recessed dise knife post one, later half recessed dise knife post one, first half recessed dise knife post two, later half recessed dise knife post two and first half dome tool post, the soil body of its lower end is stirred in rotation by later half dome tool post with cement mortar;Left end is stirred into concave arc in rotation by first half recessed dise knife post one, later half recessed dise knife post one, and right-hand member is stirred into concave arc in rotation by first half recessed dise knife post two, later half recessed dise knife post two;Drilling rod one forms, during being pressed into downwards, the recessed round stake of soil cement that about one two ends are respectively provided with concave arc;
The concrete structure of described cylinder pile pile-formation machine includes: the upper end of the lower end fixed motor 4 22 of drilling rod 2 21, and the output shaft of motor four lower end is fixed with drill bit 23;
Described cylinder pile pile-formation machine working method: during work, grouting pump irrigates water under high pressure to drill bit, motor four drives bit, drill bit in rotary course by the soil cutting of drill bit lower end, the soil body machined away is mixed in mud, water under high pressure constantly fills, mud constantly flows out from circular hole, and drilling rod two forms the circular hole of certain depth during being pressed into, casting concrete, formation concrete circular stanchion in this hole;
nullDescribed recessed round stake pile-formation machine manufactures the working method of Y shape grafting piling wall with cylinder pile pile-formation machine: in the position needing pile,First concrete circular stanchion is manufactured according to the working method of above-mentioned cylinder pile pile-formation machine with cylinder pile pile-formation machine,Right lateral side at this cylinder pile、The distance being spaced a recessed round stake manufactures second concrete circular stanchion,Second cylinder pile forward right side、The distance being spaced a recessed round stake manufactures the 3rd concrete circular stanchion,The 3rd cylinder pile right lateral side、The distance being spaced a recessed round stake manufactures the 4th concrete circular stanchion,So manufacture the recessed round pilespacing in one, multiple intervals from concrete circular stanchion,When the concrete strength of the concrete circular stanchion on both sides reaches a timing,In spacing between two the most adjacent cylinder piles、A recessed round stake of soil cement is manufactured respectively according to the working method of above-mentioned recessed round stake pile-formation machine with recessed round stake pile-formation machine,The concave arc making two ends, each soil cement recessed round stake left and right is fit to the cylindrical of the concrete circular stanchion at two ends, left and right respectively;In the front portion of odd number cylinder pile, manufacture a recessed round stake of soil cement with recessed round stake pile-formation machine respectively according to the working method of above-mentioned recessed round stake pile-formation machine, make the concave arc of the recessed round stake rear end of soil cement of odd number cylinder pile front portion be fit to the cylindrical of this odd number cylinder pile;At the rear portion of even number cylinder pile, manufacture a recessed round stake of soil cement with recessed round stake pile-formation machine respectively according to the working method of above-mentioned recessed round stake pile-formation machine, make the concave arc of the recessed round stake rear end of soil cement of even number cylinder pile front portion be fit to the cylindrical of this even number cylinder pile;The anterior recessed round stake of soil cement of the recessed round stake of soil cement being thusly-formed between multiple concrete circular stanchion and adjacent concrete circular stanchion and odd number concrete circular stanchion, the recessed round stake of soil cement at even number concrete circular stanchion rear portion are mutually inserted the Y shape grafting piling wall of formation, for gear soil, the antiseep on building basis.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610296235.9A CN105887843A (en) | 2016-05-09 | 2016-05-09 | Y-shaped plugging pile wall forming equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610296235.9A CN105887843A (en) | 2016-05-09 | 2016-05-09 | Y-shaped plugging pile wall forming equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN105887843A true CN105887843A (en) | 2016-08-24 |
Family
ID=56703289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610296235.9A Withdrawn CN105887843A (en) | 2016-05-09 | 2016-05-09 | Y-shaped plugging pile wall forming equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105887843A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105735304A (en) * | 2016-05-09 | 2016-07-06 | 吕文娥 | Circular arc insertion crossed baffle pile manufacturing equipment |
CN105735305A (en) * | 2016-05-09 | 2016-07-06 | 吕文娥 | Circular arc insertion and connection crossed baffle pile manufacturing equipment |
CN105862824A (en) * | 2016-05-09 | 2016-08-17 | 吕文娥 | Manufacturing device for fold line piling wall through circular arc connection |
-
2016
- 2016-05-09 CN CN201610296235.9A patent/CN105887843A/en not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105735304A (en) * | 2016-05-09 | 2016-07-06 | 吕文娥 | Circular arc insertion crossed baffle pile manufacturing equipment |
CN105735305A (en) * | 2016-05-09 | 2016-07-06 | 吕文娥 | Circular arc insertion and connection crossed baffle pile manufacturing equipment |
CN105862824A (en) * | 2016-05-09 | 2016-08-17 | 吕文娥 | Manufacturing device for fold line piling wall through circular arc connection |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105735284A (en) | Circular arc locking pile wall manufacturing equipment | |
CN105862743A (en) | Arc buckling pile wall manufacturing equipment | |
CN105735285A (en) | Circular arc inserting and buckling pile wall manufacturing equipment | |
CN105951757A (en) | Socket connection combination retaining wall | |
CN105887844A (en) | Y-shaped plugged retaining wall manufacturing equipment | |
CN105804648A (en) | Y-shaped plugging blocking wall manufacturing equipment | |
CN105887849A (en) | Socket-connection V-shaped folded line pile wall | |
CN105887838A (en) | Socket T-shaped pile wall manufacturing machine | |
CN105862820A (en) | Y-shaped locking connection piling wall | |
CN106013099A (en) | Fastening wall manufacturing device | |
CN105862822A (en) | V-shaped fold line piling wall through latching connection | |
CN105862821A (en) | Y-shaped latching connection piling wall | |
CN105887843A (en) | Y-shaped plugging pile wall forming equipment | |
CN105887848A (en) | Y-shaped joint pile wall forming equipment | |
CN105926606A (en) | Manufacturing device for arc opening-insertion broken line pile wall | |
CN105862817A (en) | Wall forming equipment for Y-shaped buckling pile wall | |
CN105821867A (en) | Y-shaped inserting type pile wall forming equipment | |
CN105887847A (en) | Y-shaped locking pile wall forming equipment | |
CN105862818A (en) | Manufacturing device for circular arc buckling broken-line pile wall | |
CN105862819A (en) | Manufacturing device for circular arc splicing broken-line pile wall | |
CN105821868A (en) | Circular arc jointing type broken-line pile wall manufacturing device | |
CN105735300A (en) | Circular arc lock buckle fold line pile wall manufacturing device | |
CN105887841A (en) | Arc-socket T-shaped retaining pile manufacturing equipment | |
CN105887842A (en) | Arc-locking crossed retaining pile manufacturing equipment | |
CN105887840A (en) | Arc-locking T-shaped retaining pile manufacturing equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160824 |
|
WW01 | Invention patent application withdrawn after publication |