CN205206834U - Tunnel boring machine blade disc that is fit for complicated hard rock geology - Google Patents
Tunnel boring machine blade disc that is fit for complicated hard rock geology Download PDFInfo
- Publication number
- CN205206834U CN205206834U CN201521031748.4U CN201521031748U CN205206834U CN 205206834 U CN205206834 U CN 205206834U CN 201521031748 U CN201521031748 U CN 201521031748U CN 205206834 U CN205206834 U CN 205206834U
- Authority
- CN
- China
- Prior art keywords
- cutter
- hobboing
- girff
- central
- cutterhead
- 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.)
- Expired - Fee Related
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model provides a tunnel boring machine blade disc that is fit for complicated hard rock geology, includes the manhole, protects the footpath sword, limit sword, scraper, spiller, positive hobbing cutter, central hobbing cutter and water spout, is equipped with array center hobbing cutter in the central authorities of blade disc, is equipped with the positive hobbing cutter of array in the periphery of central hobbing cutter, is equipped with in the periphery of positive hobbing cutter and protects footpath sword, limit sword, scraper and spiller along the array of blade disc periphery equipartition, still be equipped with the manhole in the periphery of central hobbing cutter, be equipped with the several water spout everywhere on the blade disc. Central hobbing cutter adopt booth apart from cutter, guarantor footpath sword adopt the girff structure that big knife exchanged, the limit sword improve its arbor when digging expanding. The utility model has the advantages that: the knife interval can be realized to blade disc center sword cutter, has improved the broken rock efficiency of central sword, has reduced constructor intensity of labour for the construction progress, practice thrift construction cost.
Description
Technical field
The utility model relates to a kind of tunnel machine cutterhead of applicable complicated hard rock geology, is mainly used in.
Background technology
Tunneling boring rock tunnel development machine (tunnelboringmachine, TBM) is the special construction machinery in tunnel, is widely used in subway, railway, highway, municipal administration, Hydroelectric tunnel engineering.Cutterhead is the critical component of TBM, has excavation, stablizes face, stirs the functions such as quarrel soil.Cutterhead design is to raising TBM rock breaking capacity and drivage efficiency, and reducing excavate costs and have important effect, is the deciding factor affecting TBM penetration performance.Cutterhead design technology is the key technology of development machine design, therefore, improves independent innovational design and manufacturing capacity, has important strategic importance.TBM cutterhead design main contents comprise cutting tool choice, the design of cutterhead principal parameter, cutters layout, the design of cutterhead body structure, and the design of other components and layout etc.Wherein cutters layout is crucial, is related to cutter and the large bearing life of cutterhead, TBM drivage efficiency, vibration etc.Cutter disc system need carry out adaptability design for the geological conditions of concrete engineering and construction requirement, thus rock break-off process mechanism, workability prediction, cutter force analysis, and tool type, cutterhead layout, correlation between cutting parameter and characteristics of surrounding rock research most important.
When current knife disc tool is arranged, the cutter spacing of the cutter gap ratio front hobboing cutter of central hob is large, general large more than 10mm.When cutter spacing is larger, cutter acts on the radial cracking that rock stratum is formed and is difficult to through, needs to strengthen depth of penetration, and run into complicated hard rock geology drivage efficiency and greatly reduce, in this case, the drivage efficiency of central hob determines the driving speed of whole cutterhead.Cutterhead drivage efficiency reduces tool wear and accelerates, and increases tool changing cost, causes frequent shutdown, have impact on construction speed to a certain extent.
In addition, existing tunneling boring hard rock tunnel development machine, when constructing, needs to use to dig cutter when running into curve propelling, turning, correction, also claims to backbreak cutter.Existingly dig cutter structure complexity, installation site will be left when cutter head structure designs, during cutterhead welding comparatively difficult (complex structure), general use Driven by Hydraulic Cylinder, be furnished with a set of independently hydraulic plumbing system and detection of electrons line system (sensor), fault rate is high, and maintenance manufacturing cost is large.
Summary of the invention
The utility model, for complicated hard rock geological conditions, in order to improve drivage efficiency, minimizing tool changing frequency, the saving construction cost of TBM cutterhead, provides a kind of tunnel machine cutterhead of applicable complicated hard rock geology.
The technical solution of the utility model is: a kind of tunnel machine cutterhead of applicable complicated hard rock geology, comprise manhole, gauge cutter, limit cutter, scraper, perching knife, positive hobboing cutter, central hob and water spout, array central hob is provided with in the central authorities of cutterhead, be arranged with the positive hobboing cutter of array at the outer of central hob, be arranged with array gauge cutter, limit cutter, scraper and the perching knife uniform along cutterhead periphery at the outer of positive hobboing cutter; Also be provided with manhole in the periphery of central hob, cutterhead is provided with several water spout everywhere, it is characterized in that, described central hob adopts Small Distance cutter; The girff structure that described gauge cutter adopts large pocket knife to exchange.
Described central hob comprises hobboing cutter girff, hobboing cutter cutter, cutter bearing, Hob fixing device and bearing and props up block, the two ends of hobboing cutter cutter are connected to bearing respectively by cutter bearing and prop up on block, and bearing props up block Hob fixing device and is fixed in the installation groove of hobboing cutter girff both sides; Described central hob is double structure or tetrad structure, and the central hob of double structure installs two groups of coaxial hobboing cutter cutters in a hobboing cutter girff; The central hob of tetrad structure installs four groups of coaxial hobboing cutter cutters in a hobboing cutter girff; A cutter number little 1-2 cutter number of the positive hobboing cutter described in cutter ratio of this hobboing cutter cutter, making the spacing between each group hobboing cutter cutter and diameter all be less than common hobboing cutter cutter, is described Small Distance cutter.
Described limit cutter comprises tool rest, limit cutter cutter, C type block, long spiro nail, short screw, wedge and pad closure plate, C type block is fixed on the side in the installation groove of tool rest by short screw, the two ends of the cutter shaft of limit cutter cutter are located in the recess of C type block, and the side of cutter shaft is pressed in wedge, below wedge, be provided with pad closure plate, and with long spiro nail, wedge and pad closure plate clamped mutually; Increasing the thickness of the recess bottom of C type block when digging, making the position of described cutter shaft is moved.
The described large girff structure of pocket knife exchange of gauge cutter and the identical of limit cutter, this gauge cutter girff is identical with the girff of normal cutter at cutter axis orientation; Add the distance of a cutter number in the size of cutter hub radial direction, the position of cutter shaft is identical with former girff.
The utility model has the advantages that: cutter head center cutter cutter can realize pocket knife spacing, improve the efficiency of breaking rock of center cutter, compared with existing cutter head center cutter, without the need to changing existing cutter head structure, implement conveniently, reduce tool changing frequency, reduce constructor's labour intensity, accelerate construction speed, save construction cost; Gauge cutter girff increases design, can realize the little amount of digging construction requirement fast not increasing under cutterhead cost of manufacture prerequisite; And the amount of digging can be controlled exactly, extensive to the compliance of the amount of digging, the amount of digging can ascending random conversion, under the prerequisite little to surrounding formations disturbance, realizes the object requirements such as curve propelling, turning, correction smoothly.
Accompanying drawing explanation
Fig. 1 is that the front-end architecture of existing cutterhead arranges schematic diagram;
Fig. 2 is that front-end architecture of the present utility model arranges schematic diagram;
Fig. 3 is the enlarged drawing at P place in Fig. 2;
Fig. 4 is the Facad structure schematic diagram of the central hob of the utility model double structure;
Fig. 5 is the perspective view of Fig. 4;
Fig. 6 is the perspective view of the central hob of the utility model tetrad structure;
Fig. 7 is the A-A sectional view of the utility model Fig. 4 and Fig. 6;
Fig. 8 is that the utility model TBM knife disc tool is arranged and digs principle schematic;
Fig. 9 is that the utility model TBM cutterhead limit cutter digs pad cutter schematic diagram;
Figure 10 is that the utility model TBM cutterhead limit cutter digs pre-structure schematic diagram;
Figure 11 is that the utility model TBM cutterhead limit cutter digs rear structural representation;
Figure 12 is the positive hobboing cutter of the utility model TBM cutterhead, limit hobboing cutter position assumption diagram;
Figure 13 is the utility model TBM cutterhead gauge cutter girff structural representation;
Figure 14 is the B-B sectional view of Figure 13.
Description of reference numerals: 1, manhole, 2, gauge cutter, 3, limit cutter, 4, scraper, 5, perching knife,
6, positive hobboing cutter, 7, central hob, 70, hobboing cutter girff, 71, hobboing cutter cutter ring, 72, hobboing cutter cutter hub, 73, hobboing cutter set bolt, 74, cutter bearing, 75, cutter shaft, 76, baroclinic block, 77, positive briquetting, 78, bearing props up block, 10, (limit cutter) cutter shaft, 11, wedge, 12, pad closure plate, 19, the knife disc tool centre of gyration, 20, hobboing cutter blade sectional plane, 21, cutterhead front wearing plate sectional plane, 22, cutterhead reference line, 23, dig Molded Line, 24, original hobboing cutter outline line, 25, dig front C type block, 26, (limit cutter) girff, 27, (limit cutter) C type block after digging, 28, original height+the radial offset of (limit cutter) C type block, 29, (limit cutter) C type block set bolt, 30, (limit cutter) cutter shaft hold-down screw, 31, (gauge cutter) wedge, 32, (gauge cutter) cutter shaft hold-down screw, 33, (gauge cutter) cutter shaft, 34, (gauge cutter) C type block, 35, (gauge cutter) girff, 36, (gauge cutter) C type block set bolt.
Detailed description of the invention
As shown in Figure 1, TBM cutter head center hobboing cutter and positive hobboing cutter are arranged just as diameter structure, are furnished with central hob 7, positive hobboing cutter 6, limit cutter 3, gauge cutter 2, perching knife 5, manhole 1 and and water spout etc.
As shown in Figure 2, the middle cutter head center hobboing cutter girff 70(of the novel cutterhead of the utility model comprises double-edged hobbing cutter and four sword hobboing cutters) to carry out redesign and be improved to little one to two cutter number, concrete little several grade is depending on concrete geological condition; Gauge cutter girff 9 can number design of a large cutter.Diameter as original cutterhead design central hob 7 is consistent with other cutters, then central hob 7 is due to the restriction of bearing capacity, center cutter duplex tetrad structure, and distance between bearings cannot reduce, and then cutter spacing is according to reducing.The utility model provides a kind of mentality of designing, make the cutter of central hob No. 7 reduce bearing when (bearing size is a corresponding reduction also) cutter number reduces 1 can not reduce, when palette knife number reduces 2, bearing size wants corresponding reduction, and then reduces cutter spacing, improves the broken rock efficiency of central hob 7; It is that gauge cutter girff 9 strengthens design that the utility model provides another kind of mentality of designing, can realizing the hobboing cutter that same girff can fill two kinds of cuttves number, using normal hobboing cutter, as used bigger hobboing cutter when needs dig among a small circle instead during normal driving.
As shown in Figure 2, central hob (comprising duplex and tetrad hobboing cutter) girff 70 reduce after layout on cutterhead and gauge cutter girff 9 strengthen after layout on cutterhead.
Be illustrated in figure 3 central hob 7 and reduce contrast enlarged drawing that is rear and positive hobboing cutter 6.Center cutter girff 70 reduces corresponding diminish (the diameter sinking b) of rear filled tool diameter as seen from the figure, and cutter spacing a also diminished than originally.
See Fig. 4-Fig. 7, center cutter hobboing cutter 7 is divided into double structure (as Fig. 4, shown in Fig. 5 and Fig. 7) and tetrad structure (as shown in Figure 6 and Figure 7), the structure of the center cutter hobboing cutter 7 of two kinds of structures is substantially identical except hobboing cutter number difference, by hobboing cutter girff 70, hobboing cutter set bolt 73, hobboing cutter cutter ring 71, hobboing cutter cutter hub 72, cutter bearing 74, cutter shaft 75, baroclinic block 76, positive briquetting 77 and bearing prop up block 78 and form, hobboing cutter cutter ring 71 is connected to the outer rim of hobboing cutter cutter hub 72, the center of hobboing cutter cutter hub 72 is connected on cutter shaft 75, the two ends of cutter shaft 75 are respectively arranged on a bearing by a cutter bearing 74 and prop up on block 78, two bearings prop up block 78 and are arranged in the installation groove of hobboing cutter girff 70 both sides respectively by two baroclinic blocks 76 and a positive briquetting 77, positive briquetting 77 is positioned at the bottom of hobboing cutter girff 70, two baroclinic blocks 76 are positioned at the position leaning on both sides above positive briquetting 77 two ends, in the triangle groove of the installation groove both sides of one jiao of embedding hobboing cutter girff 70 in the outside of each baroclinic block 76, two through holes of positive briquetting about 77 are connected with the top that bearing props up block 78 through hobboing cutter set bolt 73, realize fixing (as shown in Figure 7) of cutter and girff.The central hob 7 of double structure is two groups of hobboing cutter cutter rings 71 and associated components coaxially arranged, and the central hob 7 of tetrad structure is four groups of hobboing cutter cutter rings 71 and associated components coaxially arranged.The inside dimension of the hobboing cutter girff 70 of pocket knife number makes according to pocket knife number, and its external dimensions is identical with normal cutter girff, if want to fill normal cutter, the girff of the pocket knife number of dismantling, welds normal cutter girff, just can realize assembling normal duplex cutter cutter.The central hob 7 of double structure and tetrad structure uses on a cutterhead simultaneously, considers cutterhead layout and tool changing frequency, and a general cutterhead only has the central hob of a tetrad structure, and has many central hob of double structure.The central hob cutter for same of tetrad structure is 2 duplex hobboing cutters.Consistent with duplex hobboing cutter cutter for same, reduce the kind of cutter.
As shown in Figure 13 and Figure 14, the structure of the girff 35 of gauge cutter 2 is 2 pieces of split-type structurals, welds form (identical with the structure of limit cutter 3) afterwards with cutter head support body.Gauge cutter girff 35 of the present utility model is consistent with former girff (normal cutter girff) at cutter axis orientation; The distance C of a cutter number is added, C=(large size diameter-normal cutter diameter at the size W of the radial direction of cutter hub)/2, the invariant position (contrasting with former girff) of cutter shaft 33.During normal driving, normal cutter is installed, changes large size cutter (installing fixed form identical with normal cutter) when digging, realize digging.
Pad cutter principle is arranged and digged to knife disc tool as shown in Figure 8, in figure, left end point is the hobboing cutter driving kinematic geometry center of circle 19, a row on the right of the geometry center of circle 19 is cutterhead hobboing cutter blade 20(sectional view, have 41 hobboing cutter blades, represent with digital 1-41, the horizontal straight line of 1-No. 28 hobboing cutter blade equidistantly arranges, No. 41st, 29-is in reclinate camber line arrangement, this camber line is that reference line arranged by edge hobboing cutter), below hobboing cutter blade 20 laterally arranged in a straight line, represent cutterhead front plate wearing plate 21.TBM cutterhead digs the determination of principle, as long as it is just passable to form the outside outline line digging increasing limit hobboing cutter.
The described Molded Line circular arc formation method that digs adopts determine arc method at 3, and concrete formation method is:
First point, cutterhead outmost turns front hobboing cutter blade 20(is see Fig. 8), be No. 28 hobboing cutter blade 20 position; Second point, (transition cutter as shown in Figure 9), is extend radially line and cutterhead reference line 22 joint of No. 29 cutter blade 20 to cutterhead first limit cutter; Thirdly, last limit cutter of cutterhead (cutterhead gauge cutter) be illustrated in figure 9 No. 41 cutter blade 20 radially offset needed for the amount of digging formed intersection point.
As shown in Figure 9, for No. 41 blade 20, implementation procedure is described, No. 41 blade 20 in cutterhead position as shown in Figure 12 sequence number 31.Its structure chart as shown in Figure 10, ensure that the amount of digging must make hobboing cutter move outside tool rest 26, as long as raise cutter shaft 10 i.e. padded C type block 25, in order to easy construction, C type block 25 in Figure 10 is made as C type block 27 after the improvement in Figure 11, needs to change screw 30 and screw 29(2 simultaneously).For the ease of execution control, by screw 30 couplings as wedge 11, pad closure plate 12 etc. integrally accessory use.The length that screw 30, screw 29 increase is cutter radial side-play amount.The calculating of cutter radial side-play amount, according to trigonometric function relation:
No. 41 cutter amount of digging=radial offset × sin α
According to the angle that the known α of Fig. 9 is No. 41 cutter and cutter rotary central axis.
Enforcement digs rear cutter structure as shown in Figure 11 shows, a large amount that adds of C type block 27 is this cutter radial side-play amount.
The radial offset of other each cuttves can draw according to digging in Fig. 9 Molded Line 23.
If need padded cutterhead circular arc place perching knife 5 during the amount of digging >=100mm, padded amount is the half of gauge cutter 2 amount of digging.
Innovative point of the present utility model mainly contain following some:
1, TBM cutter head center cutter uses the design of Small Distance cutter;
2, gauge cutter girff can realize the design that large pocket knife exchanges;
3, pad the theoretical and mode of cutter, everyly all should to be included in the utility model with the method that digs improving cutter cutter shaft height.
Claims (4)
1. one kind is applicable to the tunnel machine cutterhead of complicated hard rock geology, comprise manhole, gauge cutter, limit cutter, scraper, perching knife, positive hobboing cutter, central hob and water spout, array central hob is provided with in the central authorities of cutterhead, be arranged with the positive hobboing cutter of array at the outer of central hob, be arranged with array gauge cutter, limit cutter, scraper and the perching knife uniform along cutterhead periphery at the outer of positive hobboing cutter; Also be provided with manhole in the periphery of central hob, cutterhead is provided with several water spout everywhere, it is characterized in that, described central hob adopts Small Distance cutter; The girff structure that described gauge cutter adopts large pocket knife to exchange.
2. the tunnel machine cutterhead of applicable complicated hard rock geology according to claim 1, it is characterized in that, described central hob comprises hobboing cutter girff, hobboing cutter cutter, cutter bearing, Hob fixing device and bearing and props up block, the two ends of hobboing cutter cutter are connected to bearing respectively by cutter bearing and prop up on block, and bearing props up block Hob fixing device and is fixed in the installation groove of hobboing cutter girff both sides; Described central hob is double structure or tetrad structure, and the central hob of double structure installs two groups of coaxial hobboing cutter cutters in a hobboing cutter girff; The central hob of tetrad structure installs four groups of coaxial hobboing cutter cutters in a hobboing cutter girff; A cutter number little 1-2 cutter number of the positive hobboing cutter described in cutter ratio of this hobboing cutter cutter, making the spacing between each group hobboing cutter cutter and diameter all be less than common hobboing cutter cutter, is described Small Distance cutter.
3. the tunnel machine cutterhead of applicable complicated hard rock geology according to claim 1, it is characterized in that, described limit cutter comprises tool rest, limit cutter cutter, C type block, long spiro nail, short screw, wedge and pad closure plate, C type block is fixed on the side in the installation groove of tool rest by short screw, the two ends of the cutter shaft of limit cutter cutter are located in the recess of C type block, and the side of cutter shaft is pressed in wedge, below wedge, be provided with pad closure plate, and with long spiro nail, wedge and pad closure plate clamped mutually; Increasing the thickness of the recess bottom of C type block when digging, making the position of described cutter shaft is moved.
4. the tunnel machine cutterhead of applicable complicated hard rock geology according to claim 1, is characterized in that, the described large girff structure of pocket knife exchange of gauge cutter and the identical of limit cutter, and this gauge cutter girff is identical with the girff of normal cutter at cutter axis orientation; Add the distance of a cutter number in the size of cutter hub radial direction, the position of cutter shaft is identical with former girff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521031748.4U CN205206834U (en) | 2015-12-14 | 2015-12-14 | Tunnel boring machine blade disc that is fit for complicated hard rock geology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521031748.4U CN205206834U (en) | 2015-12-14 | 2015-12-14 | Tunnel boring machine blade disc that is fit for complicated hard rock geology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205206834U true CN205206834U (en) | 2016-05-04 |
Family
ID=55844559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521031748.4U Expired - Fee Related CN205206834U (en) | 2015-12-14 | 2015-12-14 | Tunnel boring machine blade disc that is fit for complicated hard rock geology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205206834U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350976A (en) * | 2015-12-14 | 2016-02-24 | 中船重工（青岛）轨道交通装备有限公司 | Cutter head of tunneling machine suitable for complex hard rock geology |
| CN110344837A (en) * | 2019-07-31 | 2019-10-18 | 中国铁建重工集团股份有限公司 | A kind of balancing earth-pressure shielding machine |
| WO2024061339A1 (en) * | 2022-09-22 | 2024-03-28 | 宁波用躬科技有限公司 | Cutter head for tunneling equipment and tunneling equipment having cutter head |
-
2015
- 2015-12-14 CN CN201521031748.4U patent/CN205206834U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350976A (en) * | 2015-12-14 | 2016-02-24 | 中船重工（青岛）轨道交通装备有限公司 | Cutter head of tunneling machine suitable for complex hard rock geology |
| CN110344837A (en) * | 2019-07-31 | 2019-10-18 | 中国铁建重工集团股份有限公司 | A kind of balancing earth-pressure shielding machine |
| CN110344837B (en) * | 2019-07-31 | 2021-10-29 | 中国铁建重工集团股份有限公司 | Earth pressure balance shield machine |
| WO2024061339A1 (en) * | 2022-09-22 | 2024-03-28 | 宁波用躬科技有限公司 | Cutter head for tunneling equipment and tunneling equipment having cutter head |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105350976A (en) | Cutter head of tunneling machine suitable for complex hard rock geology | |
| CN205206834U (en) | Tunnel boring machine blade disc that is fit for complicated hard rock geology | |
| CN103061777A (en) | Method for building urban underground tunnel shield cutter repairing space with preset reinforcing pile groups | |
| CN108868632A (en) | Stake machine chain broaching with power device sealing structure | |
| CN105970925A (en) | Buckle type retaining wall | |
| CN112400049B (en) | Cutter head | |
| CN109139032A (en) | One kind being suitable for super-large diameter hard rock mole cutterhead | |
| CN108571326B (en) | Compound cutting type hard rock tunneling machine cutterhead and tunneling machine thereof | |
| CN105862738A (en) | Buckling type L-shaped pile manufacturing device | |
| CN210564541U (en) | Quick heading machine | |
| CN209067213U (en) | A kind of high efficient driving heavy type shield cutter | |
| CN111720122B (en) | Vertical shaft tunneling device of three-dimensional parking garage | |
| CN202467850U (en) | Earth pressure balanced shield for large-grain diameter sandy cobble stratum | |
| CN202628106U (en) | Conversion module for cutter disk of shield tunneling machine | |
| CN208950592U (en) | Suitable for super-large diameter hard rock mole cutterhead | |
| CN209557002U (en) | Cutter head of shield machine with down-the-hold drill bit | |
| JP4973051B2 (en) | Method of excavating small earth covering section by earth pressure type shield machine and pressure management method in chamber | |
| CN214062971U (en) | Improved shield machine cutter head for reducing cutter abrasion of water-rich limestone stratum | |
| CN112709579A (en) | Quick-forming development machine for river and canal | |
| CN107152287B (en) | One kind is based on tunnel tunnel face front rock prediction small-sized hydraulic device | |
| CN103195370A (en) | Combined type drill bit | |
| CN205823166U (en) | A kind of antiwind mixing pile drill bit that can quickly change size | |
| CN105715204A (en) | V-shaped latching device for diamond-shaped piles and T-shaped piles | |
| JP2007146432A (en) | Shield machine and excavating method | |
| CN110158691A (en) | A kind of mill teeth and Double-wheel milling milling attachment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20181214 |