CN105586939A - Fastening device for orthohexagnal piles and H piles - Google Patents
Fastening device for orthohexagnal piles and H piles Download PDFInfo
- Publication number
- CN105586939A CN105586939A CN201610123003.3A CN201610123003A CN105586939A CN 105586939 A CN105586939 A CN 105586939A CN 201610123003 A CN201610123003 A CN 201610123003A CN 105586939 A CN105586939 A CN 105586939A
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- Prior art keywords
- headstock
- stake
- fixed
- line shaft
- regular hexagon
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- 239000002689 soil Substances 0.000 claims abstract description 59
- 239000004568 cement Substances 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims description 23
- 238000003756 stirring Methods 0.000 claims description 16
- 239000011083 cement mortar Substances 0.000 claims description 11
- 238000005553 drilling Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000011440 grout Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000009183 running Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000243 solution Substances 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
- E02D5/22—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
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
-
- 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
- E02D2300/0023—Slurry
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- 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)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention relates to a fastening device for orthohexagnal piles and T piles. The fastening connection device comprises a T pile forming machine and an orthohexagnal pile forming machine. A plurality of soil cement T piles are manufactured, wherein an orthohexagnal gap is formed between every two adjacent T piles in a clamping manner; when the soil cement intensity of the T piles on two sides reaches to a definite intensity value, a soil cement orthohexagnal pile is manufactured in the orthohexagnal gap between the every two T piles by the orthohexagnal pile forming machine according to the working manner of the orthohexagnal pile forming machine, so that a pile wall in which a plurality of soil cement T piles and soil cement orthohexagnal piles are mutually fastened between every two T piles is formed. The fastening connection device is used for soil retaining and leakage prevention of building foundations.
Description
Technical field
The present invention relates to a kind of locker, the regular hexagon stake particularly using in a kind of foundation engineering and T stake locker.
Background technology
Soil cement pile-formation machine is to rotate by the multiple drill bits of power drive, multiple drill bits stir into cement earth pile by the earth cutting of drill bit bottom with cement mortar in rotation process, at present, the pile body that the Soil-cement rig of other pattern becomes is all the assembly of multiple soil cement cylinders, is not the piling wall of soil cement T stake and the mutual snap close of soil cement regular hexagon stake.
Summary of the invention
The present invention has made up above shortcoming, and a kind of regular hexagon stake and the T stake locker that can manufacture soil cement T stake and the mutual snap close of soil cement regular hexagon stake is provided.
The present invention is achieved through the following technical solutions:
A kind of regular hexagon stake and T stake locker, comprise T stake pile-formation machine and regular hexagon stake pile-formation machine.
T stake pile-formation machine comprises following structure: the front end of cross bar two is fixed on the centre of cross bar one, forms a T steel structure thus, and the center of gravity of T steel structure is fixed in the lower end of support bar one; The middle lower end of cross bar one is fixed with column three, the lower end of column three is fixed with motor one, the lower end of motor one is fixed with headstock three, the left end bottom of cross bar one is fixed with column one, the lower end of column one is fixed with headstock one, and the right-hand member bottom of cross bar one is fixed with column two, and the lower end of column two is fixed with headstock two, the rear end lower of cross bar two is fixed with column four, and the lower end of column four is fixed with headstock four; The lower end of headstock one, headstock two, headstock three, headstock four is respectively equipped with a drilling rod, and the lower end of each drilling rod is respectively equipped with a drill bit one; Between headstock three and headstock one, between headstock three and headstock two, be respectively equipped with a line shaft one between headstock three and headstock four, a link arm is fixed respectively on the middle both sides of every line shaft one, and a mixing arm is fixed respectively in the outer end of each link arm; A line shaft two is exported respectively in the right back of headstock two and right front, and these each line shaft two right-hand members are fixed respectively a triangular knife one, a line shaft three of right-hand member output of headstock two, and the right-hand member of this line shaft three is fixed one and is stirred cutter; A line shaft two is exported respectively in the left back of headstock one and left front, and these each line shaft two left ends are fixed respectively a triangular knife one, a line shaft three of left end output of headstock one, and the left end of this line shaft three is fixed one and is stirred cutter.
Regular hexagon stake pile-formation machine comprises following structure: the upper end of the lower end fixed motor two of support bar two, and motor two lower ends are provided with gearbox, and the output shaft of gearbox lower end is fixed with drill bit two; The left end of gearbox, left back end, left front end, right-hand member, right rear end, right front ends are exported respectively a turning cylinder, and a triangular knife two is fixed respectively in the outer end of each turning cylinder.
The present invention has following feature:
The present invention can manufacture the piling wall of soil cement T stake and the mutual snap close of soil cement regular hexagon stake, for gear soil, the antiseepage of building foundation.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention is further illustrated:
Fig. 1 is the structural representation of T stake pile-formation machine;
Fig. 2 is that A-A of Fig. 1 is to view;
Fig. 3 is B-B view of Fig. 1;
Fig. 4 is that C-C of Fig. 1 is to view;
Fig. 5 is the structural representation of regular hexagon stake pile-formation machine;
Fig. 6 is D-D view of Fig. 5;
Fig. 7 is the cross-sectional view of T stake and regular hexagon stake snap close.
In figure: 1, support bar one, 2, motor one, 3, headstock three, 4, headstock one, 5, headstock two, 6, cross bar one, 7, column three, 8, line shaft one, 9, mixing arm, 10, column one, 11, column two, 12, drilling rod, 13, drill bit one, 14, line shaft two, 15, triangular knife one, 16, link arm, 17, cross bar two, 18, column four, 19, headstock four; 21, support bar two, 22, motor two, 23, gearbox, 24, drill bit two, 25, turning cylinder, 26, triangular knife two; 28, line shaft three, 29, stir cutter.
Detailed description of the invention
Accompanying drawing is a kind of specific embodiment of the present invention, and this embodiment comprises T stake pile-formation machine and regular hexagon stake pile-formation machine.
T stake pile-formation machine comprises the structure in Fig. 1, Fig. 2, Fig. 3, Fig. 4; Concrete structure is as follows: the front end of cross bar 2 17 is fixed on the centre of cross bar 1, forms a T steel structure thus, and the center of gravity of T steel structure is fixed in the lower end of support bar 1; The middle lower end of cross bar one is fixed with column 37, the lower end of column three is fixed with motor 1, the lower end of motor one is fixed with headstock 33, the left end bottom of cross bar one is fixed with column 1, the lower end of column one is fixed with headstock 1, and the right-hand member bottom of cross bar one is fixed with column 2 11, and the lower end of column two is fixed with headstock 25, the rear end lower of cross bar two is fixed with column 4 18, and the lower end of column four is fixed with headstock 4 19; The lower end of headstock one, headstock two, headstock three, headstock four is respectively equipped with a drilling rod 12, and the lower end of each drilling rod is respectively equipped with a drill bit 1; Between headstock three and headstock one, between headstock three and headstock two, be respectively equipped with a line shaft 1 between headstock three and headstock four, a link arm 16 is fixed respectively on the middle both sides of every line shaft one, and a mixing arm 9 is fixed respectively in the outer end of each link arm; A line shaft 2 14 is exported respectively in the right back of headstock two and right front, and these each line shaft two right-hand members are fixed respectively a triangular knife 1, a line shaft 3 28 of right-hand member output of headstock two, and the right-hand member of this line shaft three is fixed one and is stirred cutter 29; A line shaft 2 14 is exported respectively in the left back of headstock one and left front, and these each line shaft two left ends are fixed respectively a triangular knife 1, a line shaft 3 28 of left end output of headstock one, and the left end of this line shaft three is fixed one and is stirred cutter 29.
Mixing arm on three line shafts one differs certain angle in rotation, in rotation, is independent of each other mutually.
The specific works mode of T stake pile-formation machine is as follows: when work, grouting pump is to each drill bit one grout injection respectively, motor one drives headstock three runnings, in operation process, the rotating drive headstock one by left and right, rear three line shafts one, headstock two, headstock four turn round headstock three respectively, headstock two drives respectively the line shaft two of right back and the line shaft two of right front relative to synchronously rotating in operation process, and headstock two drives line shaft three rotations of right-hand member simultaneously, headstock one drives respectively the line shaft two of left back and the line shaft two of left front relative to synchronously rotating in operation process, and headstock one drives line shaft three rotations of left end simultaneously, headstock one, headstock two, headstock three, headstock four drive drill bit one to rotate by the drilling rod of its lower end respectively, and four drill bits one stir the soil cutting of its lower end and cement mortar in rotation, three line shafts one drive respectively two link arms on each line shaft one to drive one rotation of mixing arm moving mechanical axis in rotation, and mixing arm stirs the unhewn soil cutting of drill bit one between two common tangents of every two drill bit one cylindricals and cement mortar in rotation process, two line shafts two of right-hand member drive respectively triangular knife one rotation on the line shaft two of right-hand member in rotation, the line shaft three of right-hand member drives the swivel that stirs of right-hand member to move in rotation, the triangular knife one of right-hand member and stir cutter, in rotation, the soil body of the termination of right part and cement mortar are stirred into recessed trapezoidal termination, two line shafts two of left end drive respectively triangular knife one rotation on the line shaft two of left end in rotation, the line shaft three of left end drives the swivel that stirs of left end to move in rotation, the triangular knife one of left end and stir cutter, in rotation, the soil body of the termination of left part and cement mortar are stirred into recessed trapezoidal termination, support bar one is compressed into process and is formed two ends, a left and right respectively with the soil cement T shape stake of recessed trapezoidal termination downwards.
Regular hexagon stake pile-formation machine comprises the structure in Fig. 5, Fig. 6; Concrete structure is as follows: the upper end of the lower end fixed motor 2 22 of support bar 2 21, and motor two lower ends are provided with gearbox 23, and the output shaft of gearbox lower end is fixed with drill bit 2 24; The left end of gearbox, left back end, left front end, right-hand member, right rear end, right front ends are exported respectively a turning cylinder 25, and a triangular knife 2 26 is fixed respectively in the outer end of each turning cylinder.
The specific works mode of regular hexagon stake pile-formation machine is as follows: when work, grouting pump is to drill bit two grout injections, motor two drives gearbox running, gearbox drives drill bit two rotations in operation process, and drill bit two stirs the soil cutting of drill bit two lower ends and cement mortar in rotary course; Gearbox drives respectively the power transmission shaft of left end, left back end, left front end, right-hand member, right rear end, right front ends to drive respectively triangular knife two rotations in operation process, six triangular knifes two in rotary course by the soil cutting at six angles and Soil-cement; Support bar two forms the stake of soil cement regular hexagon in the process of compressing into.
After two T shape stake left and right are involutory, recessed trapezoidal to a synthetic regular hexagon to joint close the right and left.
T shape stake pile-formation machine and regular hexagon stake pile-formation machine associated working process are as follows: in the original position that needs pile axis, manufacture the stake of a soil cement T shape according to the working method of above-mentioned T shape stake pile-formation machine with T shape stake pile-formation machine, the stake of second soil cement T shape is manufactured on right side in this T shape stake, recessed trapezoidal involutory recessed trapezoidal in first soil cement T shape stake right-hand member that makes second soil cement T shape stake left end, so manufactures the multiple soil cement T shape stake that accompanies a regular hexagon gap between every two adjacent T shape stakes, when the soil cement intensity of the T on both sides shape stake reaches a timing, again in the regular hexagon gap between the stake of every two T shapes, manufacture the stake of a soil cement regular hexagon according to the working method of above-mentioned regular hexagon stake pile-formation machine with regular hexagon stake pile-formation machine, what make soil cement regular hexagon stake left end between the stake of every two soil cement T shapes protruding is trapezoidally fit to the recessed trapezoidal of left side T shape stake right-hand member, on the right of protruding trapezoidal being fit to of soil cement regular hexagon stake right-hand member, soil cement T shape stake left end is recessed trapezoidal, so form the piling wall of the mutual snap close of soil cement regular hexagon stake between multiple soil cement T shape stakes and the stake of every two T shapes, for the gear soil of building foundation, antiseep.
Claims (3)
1. regular hexagon stake and a T stake locker, comprises T stake pile-formation machine and regular hexagon stake pile-formation machine, it is characterized in that:
The concrete structure of T stake pile-formation machine comprises: the front end of cross bar two (17) is fixed on the centre of cross bar one (6), forms a T steel structure thus, and the center of gravity of T steel structure is fixed in the lower end of support bar one (1); The middle lower end of cross bar one is fixed with column three (7), the lower end of column three is fixed with motor one (2), the lower end of motor one is fixed with headstock three (3), the left end bottom of cross bar one is fixed with column one (10), the lower end of column one is fixed with headstock one (4), and the right-hand member bottom of cross bar one is fixed with column two (11), and the lower end of column two is fixed with headstock two (5), the rear end lower of cross bar two is fixed with column four (18), and the lower end of column four is fixed with headstock four (19); The lower end of headstock one, headstock two, headstock three, headstock four is respectively equipped with a drilling rod (12), and the lower end of each drilling rod is respectively equipped with a drill bit one (13); Between headstock three and headstock one, between headstock three and headstock two, be respectively equipped with a line shaft one (8) between headstock three and headstock four, a link arm (16) is fixed respectively on the middle both sides of every line shaft one, and a mixing arm (9) is fixed respectively in the outer end of each link arm; A line shaft two (14) is exported respectively in the right back of headstock two and right front, these each line shaft two right-hand members are fixed respectively a triangular knife one (15), a line shaft three (28) of right-hand member output of headstock two, the right-hand member of this line shaft three is fixed one and is stirred cutter (29); A line shaft two (14) is exported respectively in the left back of headstock one and left front, these each line shaft two left ends are fixed respectively a triangular knife one (15), a line shaft three (28) of left end output of headstock one, the left end of this line shaft three is fixed one and is stirred cutter (29);
The specific works mode of T stake pile-formation machine: when work, grouting pump is to each drill bit one grout injection respectively, motor one drives headstock three runnings, in operation process, the rotating drive headstock one by left and right, rear three line shafts one, headstock two, headstock four turn round headstock three respectively, headstock two drives respectively the line shaft two of right back and the line shaft two of right front relative to synchronously rotating in operation process, and headstock two drives line shaft three rotations of right-hand member simultaneously, headstock one drives respectively the line shaft two of left back and the line shaft two of left front relative to synchronously rotating in operation process, and headstock one drives line shaft three rotations of left end simultaneously, headstock one, headstock two, headstock three, headstock four drive drill bit one to rotate by the drilling rod of its lower end respectively, and four drill bits one stir the soil cutting of its lower end and cement mortar in rotation, three line shafts one drive respectively two link arms on each line shaft one to drive one rotation of mixing arm moving mechanical axis in rotation, and mixing arm stirs the unhewn soil cutting of drill bit one between two common tangents of every two drill bit one cylindricals and cement mortar in rotation process, two line shafts two of right-hand member drive respectively triangular knife one rotation on the line shaft two of right-hand member in rotation, the line shaft three of right-hand member drives the swivel that stirs of right-hand member to move in rotation, the triangular knife one of right-hand member and stir cutter, in rotation, the soil body of the termination of right part and cement mortar are stirred into recessed trapezoidal termination, two line shafts two of left end drive respectively triangular knife one rotation on the line shaft two of left end in rotation, the line shaft three of left end drives the swivel that stirs of left end to move in rotation, the triangular knife one of left end and stir cutter, in rotation, the soil body of the termination of left part and cement mortar are stirred into recessed trapezoidal termination, support bar one is compressed into process and is formed two ends, a left and right respectively with the soil cement T shape stake of recessed trapezoidal termination downwards,
The concrete structure of regular hexagon stake pile-formation machine comprises: the upper end of the lower end fixed motor 2 22 of support bar 2 21, and motor two lower ends are provided with gearbox 23, and the output shaft of gearbox lower end is fixed with drill bit 2 24; The left end of gearbox, left back end, left front end, right-hand member, right rear end, right front ends are exported respectively a turning cylinder 25, and a triangular knife 2 26 is fixed respectively in the outer end of each turning cylinder;
The specific works mode of regular hexagon stake pile-formation machine: when work, grouting pump is to drill bit two grout injections, motor two drives gearbox running, gearbox drives drill bit two rotations in operation process, and drill bit two stirs the soil cutting of drill bit two lower ends and cement mortar in rotary course; Gearbox drives respectively the power transmission shaft of left end, left back end, left front end, right-hand member, right rear end, right front ends to drive respectively triangular knife two rotations in operation process, six triangular knifes two in rotary course by the soil cutting at six angles and Soil-cement; Support bar two forms the stake of soil cement regular hexagon in the process of compressing into;
T shape stake pile-formation machine and regular hexagon stake pile-formation machine associated working process: in the original position that needs pile axis, manufacture the stake of a soil cement T shape according to the working method of above-mentioned T shape stake pile-formation machine with T shape stake pile-formation machine, the stake of second soil cement T shape is manufactured on right side in this T shape stake, recessed trapezoidal involutory recessed trapezoidal in first soil cement T shape stake right-hand member that makes second soil cement T shape stake left end, so manufactures the multiple soil cement T shape stake that accompanies a regular hexagon gap between every two adjacent T shape stakes, when the soil cement intensity of the T on both sides shape stake reaches a timing, again in the regular hexagon gap between the stake of every two T shapes, manufacture the stake of a soil cement regular hexagon according to the working method of above-mentioned regular hexagon stake pile-formation machine with regular hexagon stake pile-formation machine, what make soil cement regular hexagon stake left end between the stake of every two soil cement T shapes protruding is trapezoidally fit to the recessed trapezoidal of left side T shape stake right-hand member, on the right of protruding trapezoidal being fit to of soil cement regular hexagon stake right-hand member, soil cement T shape stake left end is recessed trapezoidal, so form the piling wall of the mutual snap close of soil cement regular hexagon stake between multiple soil cement T shape stakes and the stake of every two T shapes, for the gear soil of building foundation, antiseep.
2. regular hexagon stake according to claim 1 and T stake locker, is characterized in that: after two T stake left and right are involutory, to the recessed rectangle of joint close the right and left to a synthetic regular hexagon.
3. regular hexagon stake according to claim 1 and T stake locker, is characterized in that: the mixing arm on three line shafts one of T stake pile-formation machine differs certain angle in rotation, in rotation, is independent of each other mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123003.3A CN105586939A (en) | 2016-03-04 | 2016-03-04 | Fastening device for orthohexagnal piles and H piles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123003.3A CN105586939A (en) | 2016-03-04 | 2016-03-04 | Fastening device for orthohexagnal piles and H piles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105586939A true CN105586939A (en) | 2016-05-18 |
Family
ID=55926824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610123003.3A Pending CN105586939A (en) | 2016-03-04 | 2016-03-04 | Fastening device for orthohexagnal piles and H piles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105586939A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106088036A (en) * | 2016-07-06 | 2016-11-09 | 于洋 | A kind of interlocking pile manufactures machinery |
| CN106088035A (en) * | 2016-07-06 | 2016-11-09 | 于洋 | A kind of snap close stake manufactures machinery |
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| EP1471186A1 (en) * | 2003-04-23 | 2004-10-27 | Compagnie Du Sol | Auger for installing piles |
| GB2447491A (en) * | 2007-03-15 | 2008-09-17 | Roxbury Ltd | Pile Formation |
| 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 |
| CN104452854A (en) * | 2014-12-31 | 2015-03-25 | 宋姝娴 | Multi-drill aqueduct-making machine |
| CN104746513A (en) * | 2015-04-12 | 2015-07-01 | 宋姝娴 | Implementation method of five-axis SMW (soil mixed wall) construction type piling machine |
| CN105064341A (en) * | 2015-08-09 | 2015-11-18 | 宋姝娴 | Manufacturing equipment for round-head T-shaped pile |
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2016
- 2016-03-04 CN CN201610123003.3A patent/CN105586939A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1471186A1 (en) * | 2003-04-23 | 2004-10-27 | Compagnie Du Sol | Auger for installing piles |
| GB2447491A (en) * | 2007-03-15 | 2008-09-17 | Roxbury Ltd | Pile Formation |
| 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 |
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| CN104746513A (en) * | 2015-04-12 | 2015-07-01 | 宋姝娴 | Implementation method of five-axis SMW (soil mixed wall) construction type piling machine |
| CN105064341A (en) * | 2015-08-09 | 2015-11-18 | 宋姝娴 | Manufacturing equipment for round-head T-shaped pile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106088036A (en) * | 2016-07-06 | 2016-11-09 | 于洋 | A kind of interlocking pile manufactures machinery |
| CN106088035A (en) * | 2016-07-06 | 2016-11-09 | 于洋 | A kind of snap close stake manufactures machinery |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160518 |
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| RJ01 | Rejection of invention patent application after publication |