CN202323789U - Roadbed wind-sand-proof facility capable of automatically adjusting wind-sand-resisting direction in gobi gale region - Google Patents
Roadbed wind-sand-proof facility capable of automatically adjusting wind-sand-resisting direction in gobi gale region Download PDFInfo
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- CN202323789U CN202323789U CN2011204952373U CN201120495237U CN202323789U CN 202323789 U CN202323789 U CN 202323789U CN 2011204952373 U CN2011204952373 U CN 2011204952373U CN 201120495237 U CN201120495237 U CN 201120495237U CN 202323789 U CN202323789 U CN 202323789U
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- wind
- supporting rope
- sand
- roadbed
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Abstract
The utility model relates to an engineering protection structure, in particular to a roadbed wind-sand-proof facility capable of automatically adjusting a wind-sand-resisting direction in a gobi gale region, comprising a plurality of spans of wind-sand-proof devices which are vertical to a main wind guide direction to be arranged; each span of the wind-sand-proof device comprises a rotatable stand column; an upper supporting rope and a lower supporting rope are mounted between the adjacent rotatable stand columns, and a combined wind-proof net is arranged between the upper supporting rope and the lower supporting rope; anchor pulling ropes are arranged at two sides of the stand columns; the upper ends of the anchor pulling ropes are movably sleeved at the top ends of the rotatable stand columns and the lower ends of the anchor pulling ropes are fixedly arranged on ground anchors; and the anchor pulling ropes, the upper supporting ropes and the lower supporting ropes are respectively connected with decompression rings in a dispersed manner. The roadbed wind-sand-proof facility disclosed by the utility model is arranged along a main wind direction; when the wind direction changes, the actual direction of the wind-sand-proof facility is automatically adjusted in a certain range and the sand-wind-proof facility is automatically positioned to a gale direction, so as to effectively block wind sand and achieve the aims of preventing wind sand disasters, and protecting engineering buildings and works. The roadbed wind-sand-proof facility disclosed by the utility model has the characteristics of simple structure, convenience for construction, time saving in conservation and maintenance, and good wind-sand-proof effect.
Description
Technical field
The utility model relates to a kind of engineering protection structure, specifically belongs to the anti-dust storm facility of roadbed that strong wind zone, a kind of Gobi desert can be adjusted the anti-blown sand direction automatically.
Background technology
The dust storm disease distributes very extensively in China, and along with the accelerated development of China's infrastructure construction, various dust storm disease problems become increasingly conspicuous in railway construction and operation, and the dust storm disease in Gobi desert strong wind zone is the typical case especially.Because periodicity, the sudden characteristics of dust storm disease, the normal construction and the operation of rail track constituted great threat.Under present technical level condition, except that the measure of adopting environmental protection, selecting effectively anti-dust storm works to protect is one of the most frequently used measure.Anti-dust storm works now commonly used is in the majority with rigid structure, though also have some flexible works to be used in the anti-dust storm structure since the dust storm local wind to instability change, cause existing windproof structure thing effect to be restricted.Therefore, if can according to the dust storm local wind to variation, a kind of initiatively works of the anti-dust storm direction of adjustment that can box haul changes is set, will in engineering construction, circuit operation and disease management, play an important role.
The utility model content
The purpose of the utility model is the anti-dust storm facility of roadbed that provides strong wind zone, a kind of Gobi desert can adjust the anti-blown sand direction automatically for the various construction projects that receive the dust storm disease hazard; Use this facility to be set to the harmful wind resistance direction that can in time adjust anti-dust storm works again to wind direction variation in the use automatically of the windproof sand calamity of cardinal wind the initial stage, and then effective windproof sand calamity is harmful to anti-dust storm works.
The purpose of the utility model is achieved in that strong wind zone, a kind of Gobi desert can adjust the anti-dust storm facility of roadbed of anti-blown sand direction automatically; Comprise the anti-dust storm device of the multispan of laying perpendicular to cardinal wind; Whenever stride anti-dust storm device and comprise rotatable column; Supporting rope and following supporting rope are installed between the adjacent rotatable column, the windproof net of combination is installed between last supporting rope and the following supporting rope, the column both sides are equipped with draws anchor line; Draw anchor line upper end kink on rotatable column top, draw the anchor line lower end to be fixed in earth anchor; Draw anchor line, go up and disperse to be connected with pressure-reducing ring on supporting rope and the following supporting rope.
Rotatable column lower end is provided with oval enlarged footing; Rotatable column lower end periphery is provided with pedestal; Pedestal is provided with pedestal cup groove, is provided with rubber cushion blocks in the pedestal cup groove, and rubber cushion blocks is provided with the groove with oval enlarged footing shape adaptation; Oval enlarged footing is positioned at groove, and pedestal cup channel opening place is through stone bolt fixed installation cover plate.
Rotatable column and cover plate are made with steel concrete; Because the oval enlarged footing of column lower end is positioned in the wear-resisting rubber cushion blocks groove, rubber cushion blocks has the moderate finite deformation ability, and reinforced concrete upright column inserts in the pedestal, receives can in pedestal cup groove, rotate under the wind; Reinforced concrete upright column is crossed upper and lower supporting rope with the windproof Netcom of combination and is connected together; When wind is on anti-dust storm device; Reinforced concrete upright column can be adjusted rotation direction with the wind with the windproof net overall structure of combination and rotate or tilt, the effectively anti-dust storm function of performance.
Draw anchor line to lay the pressure-reducing ring that disperses connection and can make pressure-reducing ring, instantaneous strong wind impact load is had cushioning effect drawing generation distortion under the anchor line pulling force; Equally, upper and lower supporting rope is laid the pressure-reducing ring that disperses to connect can make pressure-reducing ring under upper and lower supporting rope rope tension, produce distortion, and instantaneous strong wind impact load is had cushioning effect.
The utility model in Xinjiang the Lan-xing Railway second two-wire China Railway 21 Bureau (7 bid section) test work area section use 1 year; Evidence is according to the excursion of actual wind-force size in Gobi desert dust storm area and long-term wind direction; Prevailing wind direction along this area is laid the utility model; When wind direction changes, adjust the actual trend of anti-dust storm device within the specific limits automatically, autofitting is in the strong wind direction; Effectively dust storm is played barrier effect, reach the purpose of effective windproof sand calamity evil, protection engineering works, works.The utlity model has simple structure, construction is convenient, maintenance saves time, anti-dust storm good effectiveness.
Description of drawings
Fig. 1 the utility model plane structure sketch map,
Fig. 2 is the utility model cross-sectional configuration sketch map,
Fig. 3 sews up interface chart for wire rope net,
Fig. 4 is upper and lower supporting rope and pressure-reducing ring arrangement diagram,
Fig. 5 is the vertical view of Fig. 4,
Fig. 6 is a kind of connected mode of drawing anchor line and pressure-reducing ring,
Fig. 7 is the B-B sectional view of Fig. 6,
Fig. 8 is the structural representation of pressure-reducing ring termination connector,
Fig. 9 be shown in Figure 6 be the enlarged drawing that draws anchor line and pressure-reducing ring connected mode,
Fig. 9 a is the structural representation of annulus screw,
Figure 10 is the connected mode of drawing anchor line and another kind of pressure-reducing ring,
Figure 10 a is a pressure-reducing ring structural representation shown in Figure 10,
Figure 10 b is clasp and the sketch map that concerns that draws anchor line, pressure-reducing ring,
Figure 11 is the utility model facade structures sketch map,
Figure 12 is the base plane structural representation,
Figure 13 is the A-A sectional drawing of Figure 12.
Among the figure: 1-rotatable column, 101-go up hanging seats, 102-following hanging seat, 103-oval enlarged footing, 2-pedestal, 3-draw anchor line; 4-earth anchor, 5-pressure-reducing ring, 501-annulus screw, 502-screw end, 503-annulus end, 6-upward supporting ropes; 7-following supporting rope, 8-wire rope net, 9-earth work grille net, 10-ironwire suture, 11-fixedly wire clips; 12-rubber cushion blocks, 1201-lower cushion block, 1202-upward cushion blocks, 13-cover plate, 14-stone bolt; The cross buckle of 15-steel, 16-pressure-reducing ring termination connector, 1601-the first through hole, 1602-the second through hole, 17-clasp; 18-connection cord, 19-go up lanyard, 20-following lanyard, 21-high resiliency spring, 22-railway is along the line.
The specific embodiment
Like Fig. 1, Fig. 3 and shown in Figure 11: strong wind zone, a kind of Gobi desert can be adjusted the anti-dust storm facility of roadbed of anti-blown sand direction automatically; Comprise the anti-dust storm device of the multispan of laying perpendicular to cardinal wind; Whenever stride anti-dust storm device and comprise rotatable column 1; Supporting rope 6 and following supporting rope 7 are installed between the adjacent rotatable column 1, the windproof net of combination is installed between last supporting rope 6 and the following supporting rope 7, rotatable column 1 both sides are equipped with draws anchor line 3; Draw anchor line 3 upper end kinks on rotatable column 1 top, draw anchor line 3 lower ends to be fixed in earth anchor 4; Draw anchor line 3, go up and disperse to be connected with pressure-reducing ring 5 on supporting rope 6 and the following supporting rope 7.Rotatable column 1 is a reinforced concrete upright column.
Referring to Fig. 2, Fig. 3 and Fig. 4: rotatable column 1 top is provided with hanging seat 101; Rotatable column 1 bottom is provided with down hanging seat 102; Last supporting rope 6 is provided with link with the two ends of following supporting rope 7; Last supporting rope 6 link hanging sleeves are in last hanging seat 101, and following supporting rope 7 link hanging sleeves are in following hanging seat 102, and hanging sleeve has connection cord 18 between last hanging seat 101 and the following hanging seat 102; Make up windproof net and comprise wire rope net 8 and earth work grille net 9, the and arranged on left and right sides fixed installation shop of wire rope net 8 hangs earth work grille net 9, and ironwire suture 10 will make up windproof net stitching and be connected in connection cord 18, goes up supporting rope 6 and following supporting rope 7.
Referring to Fig. 3: perfect as the utility model, in order to increase wind loading rating, last hanging seat 101 is gone back hanging sleeve has last lanyard 19, last lanyard 19 and last supporting rope 6 almost parallels, fixedly wire clips 11 will be gone up lanyard 19 and last supporting rope 6 links together; Following hanging seat 102 is gone back hanging sleeve has following lanyard 20, following lanyard 20 and following supporting rope 7 almost parallels, and fixedly wire clips 11 will descend lanyard 20 and following supporting rope 7 to link together; Ironwire suture 10 will make up windproof net stitching and be connected in connection cord 18, goes up supporting rope 6 and last lanyard 19, following supporting rope 7 and following lanyard 20.
Referring to Fig. 2, Fig. 3, Figure 12 and Figure 13: rotatable column 1 lower end is provided with oval enlarged footing 103; Rotatable periphery, column 1 lower end is provided with pedestal 2; Pedestal 2 is provided with pedestal cup groove, is provided with rubber cushion blocks 12 in the pedestal cup groove, and rubber cushion blocks 12 is provided with the groove with oval enlarged footing 103 shape adaptation; Oval enlarged footing 103 is positioned at groove, and pedestal cup channel opening place is through stone bolt 14 fixed installation steel concrete cover plates 13.For easy for installation, rubber cushion blocks 12 is divided into two, i.e. lower cushion block 1201 and last cushion block 1202.
Referring to Fig. 4 and Fig. 5: last hanging seat 101 that the rotatable column 1 of each root is provided with and following hanging seat 102 towards alternate setting; So that 22 the utility model is set is example along the railway; Last hanging seat 101 that the last hanging seat 101 that first, the 3rd rotatable column 1 is provided with and following hanging seat 102 are provided with towards 22, the second along the line of railway, the 4th rotatable column 1 and following hanging seat 102 be railway along the line 22 dorsad; Like this, after this windproof structure was set, rail track was in the actual operation phase; When running into wind direction at strong wind season and change; Windproof structure can adapt to the variation of wind direction and rotate, and has reached preferably stressed, the function in the anti-dust storm of performance and extending structure application life.
Referring to Fig. 6, Fig. 7 and Fig. 8: first kind of pressure-reducing ring 5 be one special can distortion, the opening steel loop of high resiliency, big rigidity; At pressure-reducing ring ring body opening part is that the ring body two ends have the part overlap joint overlapping; Pressure-reducing ring termination connector 16 is provided with two through holes side by side; Ring body one end is fixedly connected with first through hole 1601 of pressure-reducing ring termination connector 16,1602 movable connections of second through hole of the ring body other end and pressure-reducing ring termination connector 16; Referring to Fig. 9 and Fig. 9 a, pressure-reducing ring 5 open ends are provided with screwed hole, and the screw end 502 of annulus screw 501 is connected with screwed hole, and the annulus end 503 of annulus screw 501 is connected with drawing anchor line 3.The annexation of first kind of pressure-reducing ring 5 and last supporting rope 6 or following supporting rope 7 is same as first kind of pressure-reducing ring 5 and the annexation of drawing anchor line 3.
Because pressure-reducing ring 5 open ends are connected with drawing anchor line 3 through annulus screw 501; Pressure-reducing ring 5 ring bodies one end is fixedly connected with pressure-reducing ring termination connector 16; The other end and 16 movable connections of pressure-reducing ring termination connector, under wind, pressure-reducing ring 5 can be in the pressure-reducing ring termination 1602 li activities of second through hole of connector 16; After anti-dust storm structure receives wind; Act on wind-force on wire rope net 8 and the earth work grille net 9 through the power transmission, act on and be laid in upper and lower supporting rope and draw on the pressure-reducing ring 5 on the anchor line, pressure-reducing ring 5 receives the wind of unexpected generation; To produce certain elastic deformation, can effectively reduce the burst impact force cause to structural damage.
Referring to Figure 10 and Figure 10 a: second kind of pressure-reducing ring 5 also be one special can distortion, the opening steel loop of high resiliency, big rigidity; At pressure-reducing ring ring body opening part is to be provided with breach between the ring body two ends; Indentation, there fixedly is equipped with high resiliency spring 21, and the two ends of high resiliency spring 21 are fixedly connected with pressure-reducing ring 5 ring body two ends; Drawing whenever to use at a distance from 30～40 centimetres distance on the anchor line 3 draws anchor line 3 on the outer wall of the pressure-reducing ring 5 of a connection high resiliency spring 21, to twine a circle; That is to say, draw on the anchor line 3 and whenever twine a pressure-reducing ring 5 at a distance from 30～40 centimetres distance; Referring to Figure 10 and Figure 10 b: clasp 17 is fixed on pressure-reducing ring 5 and draws anchor line 3, makes pressure-reducing ring 5 and draws anchor line 3 closely to be connected not drop.The annexation of second kind of pressure-reducing ring 5 and last supporting rope 6 or following supporting rope 7 is same as second kind of pressure-reducing ring 5 and the annexation of drawing anchor line 3.After anti-dust storm structure receives wind; The wind-force that acts on wire rope net 8 and the earth work grille net 9 passes through the power transmission; Act on and be laid in upper and lower supporting rope and draw on the pressure-reducing ring 5 on the anchor line; Pressure-reducing ring 5 receives the wind of unexpected generation, will produce certain elastic deformation, can effectively reduce the burst impact force cause to structural damage.
Field unwrapping wire length should be more lax during installation, can under wind, turn to guarantee anti-dust storm structure box haul.
The operating principle of the utility model: because the part that insert in the pedestal cup groove reinforced concrete upright column lower end is oval; Wrapped up by rubber cushion blocks around the oval enlarged footing; Reinforced concrete upright column is crossed supporting rope with the windproof Netcom of combination and is connected together; When wind was on windproof structure, overall structure can box haul rotates or tilts the effectively anti-dust storm function of performance.This structure can be provided with according to the excursion of actual wind-force size in windproof sand ground district and long-term wind direction; When changing to reach wind-force size and wind direction; Structure self can be adjusted, and autofitting is in the strong wind direction, and the position of dust storm structures under wind face is prevented in adjustment automatically; Play the effect of opposing dust storm, reach the purpose of windproof sand calamity evil, protection engineering works, works.
Claims (10)
1. strong wind zone, a Gobi desert can be adjusted the anti-dust storm facility of roadbed of anti-blown sand direction automatically; It is characterized in that: it comprises the anti-dust storm device of the multispan of laying perpendicular to cardinal wind; Whenever stride anti-dust storm device and comprise rotatable column (1); Supporting rope (6) and following supporting rope (7) are installed between the adjacent said rotatable column (1); Said supporting rope (6) and the said windproof net of combination that is equipped with between the supporting rope (7) down gone up; Said rotatable column (1) both sides are equipped with draws anchor line (3), and said anchor line (3) the upper end kink that draws is on said rotatable column (1) top, and earth anchor (4) is fixed in said anchor line (3) lower end of drawing; Said anchor line (3), the said supporting rope (6) of going up of drawing upward disperses to be connected with pressure-reducing ring (5) with said supporting rope (7) down.
2. strong wind zone, a kind of Gobi desert as claimed in claim 1 can be adjusted the anti-dust storm facility of roadbed of anti-blown sand direction automatically; It is characterized in that: said rotatable column (1) lower end is provided with oval enlarged footing (103); Said rotatable column (1) periphery, lower end is provided with pedestal (2); Said pedestal (2) is provided with pedestal cup groove; Be provided with rubber cushion blocks (12) in the said pedestal cup groove; Said rubber cushion blocks (12) is provided with the groove with said oval enlarged footing (103) shape adaptation, and said oval enlarged footing (103) is positioned at said groove, and said pedestal cup channel opening place is through stone bolt (14) fixed installation cover plate (13).
3. strong wind zone, a kind of Gobi desert as claimed in claim 1 can be adjusted the anti-dust storm facility of roadbed of anti-blown sand direction automatically; It is characterized in that: said rotatable column (1) top is provided with hanging seat (101); Said rotatable column (1) bottom is provided with down hanging seat (102); The said supporting rope (6) of going up is provided with link with the said two ends of supporting rope (7) down; Said supporting rope (6) the link hanging sleeve of going up is in the said hanging seat (101) of going up, and said supporting rope (7) link hanging sleeve down is in said hanging seat (102) down, said go up hanging seat (101) with said under between the hanging seat (102) hanging sleeve connection cord (18) is arranged; The windproof net of said combination comprises wire rope net (8) and earth work grille net (9); The and arranged on left and right sides fixed installation shop of said wire rope net (8) hangs said earth work grille net (9), and ironwire suture (10) is sewed up the windproof net of said combination and is connected in said connection cord (18), said supporting rope (6) and the said supporting rope (7) down gone up.
4. strong wind zone, a kind of Gobi desert as claimed in claim 3 can be adjusted the anti-dust storm facility of roadbed of anti-blown sand direction automatically; It is characterized in that: said upward hanging seat (101) is gone back hanging sleeve has last lanyard (19), said lanyard (19) and said supporting rope (6) almost parallel of going up gone up, and fixedly wire clips (11) links together said upward lanyard (19) and the said supporting rope (6) of going up; Said hanging seat (102) is down gone back hanging sleeve has following lanyard (20), said lanyard (20) down and said supporting rope (7) almost parallel down, and fixedly wire clips (11) links together said lanyard (20) down and said supporting rope (7) down; Said ironwire suture (10) is sewed up the windproof net of said combination and is connected in connection cord (18), said supporting rope (6) and said lanyard (19), the said supporting rope (7) down and said lanyard (20) down gone up gone up.
5. strong wind zone, a kind of Gobi desert as claimed in claim 4 can be adjusted the anti-dust storm facility of roadbed of anti-blown sand direction automatically; It is characterized in that: the said rotatable column of each root (1) is provided with said go up hanging seat (101) and said hanging seat (102) down towards alternate setting; First, the 3rd rotatable column (1) are provided with said hanging seat (101) and the said hanging seat (102) down gone up be towards railway (22) along the line, said hanging seat (101) and the said said dorsad railway of hanging seat (102) down (22) along the line gone up that second, the 4th rotatable column (1) are provided with.
6. strong wind zone, a kind of Gobi desert as claimed in claim 5 can be adjusted the anti-dust storm facility of roadbed of anti-blown sand direction automatically; It is characterized in that: said wire rope net (8) is that ordinary steel rope establishment, the mesh of 8mm is rhombus by diameter, and the rhombus length of side is 100mm, and the crossbar contact place of said wire rope net (8) connects with the cross buckle of steel (15).
7. can adjust the anti-dust storm facility of roadbed of anti-blown sand direction automatically like strong wind zone, any described a kind of Gobi desert of claim 1 to 6; It is characterized in that: said pressure-reducing ring (5) is an opening steel loop; Said pressure-reducing ring (5) ring body opening part has the part overlap joint overlapping; Pressure-reducing ring termination connector (16) is provided with two through holes side by side; Ring body one end is fixedly connected with first through hole (1601) of said pressure-reducing ring termination connector (16), and movable connection of second through hole (1602) of the ring body other end and said pressure-reducing ring termination connector (16), said pressure-reducing ring (5) open end is provided with screwed hole; The screw end (502) of annulus screw (501) is connected with said screwed hole, and the annulus end (503) of said annulus screw (501) is connected with the said anchor line (3) that draws.
8. can adjust the anti-dust storm facility of roadbed of anti-blown sand direction automatically like strong wind zone, any described a kind of Gobi desert of claim 1 to 6; It is characterized in that: said pressure-reducing ring (5) is an opening steel loop; Said pressure-reducing ring (5) is provided with breach between the ring body two ends; Said indentation, there fixedly is equipped with high resiliency spring (21), and the two ends of said high resiliency spring (21) are fixedly connected with said pressure-reducing ring (5) ring body two ends; The said anchor line (3) that draws upward whenever draws anchor line (3) winding one on the outer wall of the said pressure-reducing ring (5) of a said high resiliency spring of connection (21) to enclose at a distance from 30～40 centimetres distance with said; Clasp (17) is fixed on the said anchor line (3) that draws with said pressure-reducing ring (5).
9. strong wind zone, a kind of Gobi desert as claimed in claim 7 can be adjusted the anti-dust storm facility of roadbed of anti-blown sand direction automatically; It is characterized in that: said rotatable column (1) is a reinforced concrete upright column.
10. strong wind zone, a kind of Gobi desert as claimed in claim 8 can be adjusted the anti-dust storm facility of roadbed of anti-blown sand direction automatically; It is characterized in that: said rotatable column (1) is a reinforced concrete upright column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204952373U CN202323789U (en) | 2011-12-02 | 2011-12-02 | Roadbed wind-sand-proof facility capable of automatically adjusting wind-sand-resisting direction in gobi gale region |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204952373U CN202323789U (en) | 2011-12-02 | 2011-12-02 | Roadbed wind-sand-proof facility capable of automatically adjusting wind-sand-resisting direction in gobi gale region |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202323789U true CN202323789U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204952373U Withdrawn - After Issue CN202323789U (en) | 2011-12-02 | 2011-12-02 | Roadbed wind-sand-proof facility capable of automatically adjusting wind-sand-resisting direction in gobi gale region |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202323789U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132467A (en) * | 2011-12-02 | 2013-06-05 | 中铁二十一局集团有限公司 | Roadbed wind and sand prevention facility capable of automatically adjusting wind and sand preventing direction in strong wind area of Gobi |
| CN111636702A (en) * | 2020-05-26 | 2020-09-08 | 中国十七冶集团有限公司 | Windproof device for construction site and construction method |
-
2011
- 2011-12-02 CN CN2011204952373U patent/CN202323789U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132467A (en) * | 2011-12-02 | 2013-06-05 | 中铁二十一局集团有限公司 | Roadbed wind and sand prevention facility capable of automatically adjusting wind and sand preventing direction in strong wind area of Gobi |
| CN103132467B (en) * | 2011-12-02 | 2015-05-13 | 中铁二十一局集团有限公司 | Roadbed wind and sand prevention facility capable of automatically adjusting wind and sand preventing direction in strong wind area of Gobi desert |
| CN111636702A (en) * | 2020-05-26 | 2020-09-08 | 中国十七冶集团有限公司 | Windproof device for construction site and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20150513 |
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| RGAV | Abandon patent right to avoid regrant |