CN205225114U - Automatic change catwalk - Google Patents
Automatic change catwalk Download PDFInfo
- Publication number
- CN205225114U CN205225114U CN201521104630.XU CN201521104630U CN205225114U CN 205225114 U CN205225114 U CN 205225114U CN 201521104630 U CN201521104630 U CN 201521104630U CN 205225114 U CN205225114 U CN 205225114U
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- CN
- China
- Prior art keywords
- guide rail
- slideway
- vertical guide
- drilling rod
- sliding seat
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- Expired - Fee Related
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Abstract
The utility model discloses an automatic change catwalk, including installing in subaerial base (8), connecting perpendicular guide rail (4) of base (8) and rig floor face, install in slide (7) that are used for transporting drilling rod (6) on base (8), slide (7) have and are close to the promotion of perpendicular guide rail (4) is held and is kept away from the support end of perpendicular guide rail (4), have in slide (7) and to follow remove slide (7) is used for placing the sliding seat of drilling rod (6), vertical direction setting is followed in perpendicular guide rail (4), still including the drive it follows to promote the end a drive arrangement and drive that perpendicular guide rail (4) are risen or are descended the sliding seat is followed the 2nd drive arrangement that moved slide (7). This automatic change catwalk can high efficiency transport the well head position and do not damage the drilling rod with the drilling rod automation.
Description
Technical field
The utility model relates to oil equipment technical field, particularly relates to a kind of automation cat road.
Background technology
At present, mode during drilling well, drilling rod being transported to drilling floor surface mainly contains: utilize puffer to drag drilling rod on cat road, and this kind of mode is worn and torn drilling rod, bendingly damages drilling rod, directly drilling rod cannot be transported to pithead position, need labour comparatively greatly simultaneously, compare effort; Cat road adds a long hydraulic cylinder, and at drilling rod pushed aft drilling rod to table top, although this kind of mode realizes automation, wear and tear drilling rod equally, and directly drilling rod cannot be transported to pithead position; Manipulator cat road, utilizes manipulator, directly drilling rod is delivered to drilling floor surface, well head place, and efficiency is low, and cost is high; Hydraulic catwalk, is directly transported to pithead position by drilling rod, easy to operate, but cost is higher, reduces well site area.
In sum, how rapidly and efficiently drilling rod automatic transportation is not damaged drilling rod to pithead position, be current those skilled in the art's urgent problem.
Utility model content
The purpose of this utility model is to provide a kind of automation cat road, and drilling rod automatic transportation rapidly and efficiently can not damaged drilling rod to pithead position by this automation cat road.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A kind of automation cat road, comprise and being installed on ground base, connecting the vertical guide rail of described base and drilling floor surface, being installed on described base for transporting the slideway of drilling rod, described slideway has near the lifting end of described vertical guide rail and the support end away from described vertical guide rail, having in described slideway can along the sliding seat for placing described drilling rod of described slideway movement, and described vertical guide rail is vertically arranged; Also comprise and drive described lifting hold along described vertical guide rail rising or the first drive unit declined and drive described sliding seat along the second drive unit of described slideway movement.
Preferably, described first drive unit comprises the first winch being wound with two first connection cords, the top sheave being installed on described vertical guide rail top and is installed on the lower sheave of described vertical guide rail bottom, described slideway has otic placode, wherein described first connection cord is connected on described otic placode through described top sheave, first connection cord described in another root is connected on described otic placode through described lower sheave, and the winding direction of two described first connection cords is contrary.
Preferably, described otic placode is arranged at described lifting end place, described base is connected with slope track near the side of described support end, the lower end of described support end has support roller, described support roller can roll along described slope track and promote setting height, and the both sides of described slope track are welded with limiting plate.
Preferably, described second drive unit comprises the second winch being wound with the second connection cord and the angle pulley be installed on described slideway, described slideway has rail plate, described sliding seat is installed on described rail plate, described sliding seat is fixed with contiguous block, and described second connection cord is connected on described contiguous block through described angle pulley.
Preferably, described sliding seat is provided with the bradyseism limited block for alleviating the vibrations of described drilling rod fixing corresponding thereto, described second winch is installed on described contiguous block place, described contiguous block is welded on described sliding seat, described bradyseism limited block is installed on described sliding seat by bolt, and the described position of bradyseism limited block on described rail plate is adjustable.
Preferably, described lifting end place is provided with the elevator wheel matched with described vertical guide rail, described elevator wheel is provided with roller limited block, and described roller limited block can snap in the draw-in groove of described vertical guide rail.
Preferably, also comprise anti-drop device, described vertical guide rail is fixed with the stationary jaw of dentation, described roller limited block is provided with the movable jaw be meshed with described stationary jaw, described movable jaw departs from described stationary jaw by the 3rd drive unit.
Preferably, described 3rd drive unit comprises the rope be connected in the middle of movable jaw described in both sides and the first cylinder body be connected with described rope.
Preferably, the bottom of described slideway is provided with the second cylinder body of connection the 3rd connection cord and releases pulley, the indentation, there of described slideway sidewall is provided with the injection block described drilling rod being released described slideway, described 3rd connection cord is connected in the connecting hole on described injection block top through described release pulley, under the effect of described second cylinder body cylinder, drive described injection block to rotate around fixed axis, described injection block is resetted by back-moving spring.
Preferably, described base is supported by several supporting legs that can fold.
Automation cat road provided by the utility model, comprises base, vertical guide rail and slideway, for drilling rod to be transported to the drilling floor surface of rig floor stage body from ground.Floor installation, on ground, drilling floor surface has the table top operating personnel receiving drilling rod, and vertical guide rail connects base and drilling floor surface, and slideway is installed on base, for transporting drilling rod.Slideway has and promotes end and support end, promotes end near vertical guide rail, and promoting end can along vertical guide rail upwards or move down; Support end, away from vertical guide rail, is supported on base, supporting skid rail all the time, and slideway promotes end and hoists, and support end is supported on base, realizes drilling rod to deliver to the position that well head is applicable to operating.Have sliding seat in slideway, drilling rod is placed in sliding seat, and sliding seat can move along slideway, thus drilling rod is transported to drilling floor surface place, and drilling rod and sliding seat geo-stationary, do not have sliding friction between drilling rod and sliding seat.Automation cat road also comprises the first drive unit and the second drive unit, and the first drive unit drives and promotes end along vertical guide rail rising or decline, and the second drive unit drives sliding seat to move along slideway, realizes automatic transportation.Vertical guide rail is vertically arranged, and promote end and vertically promote, vertical-lift, can reduce ramp, and structure is simple, and size is less, and save space, well site, usual base is arranged in the horizontal direction, also can arrange along other suitable direction.
Automation cat road provided by the utility model, can rapidly and efficiently by drilling rod automatic transportation to pithead position, achieve drilling rod automatic transportation, decrease labour intensity; Can drilling rod be protected, in process when transporting drilling rod on drilling floor surface, reduce the bending damage, wearing and tearing etc. of drilling rod; Structure is simple, and power arrangement is less, with low cost; Long-distance Control, easy to operate, space hold is little, reduces well site area, safe and reliable.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation in the automation cat road that Fig. 1 provides for detailed description of the invention a kind of in the utility model;
Fig. 2 is automation cat road original state schematic diagram;
Fig. 3 is that slideway promotes view;
Fig. 4 is the view that drilling rod is transported to table top;
Fig. 5 is the partial schematic diagram of vertical guide rail place first drive unit in Fig. 1;
Fig. 6 is the partial schematic diagram that in Fig. 1, vertical guide rail place slideway promotes end;
Fig. 7 is the partial schematic diagram that in Fig. 1, drilling rod is upwards carried at slideway;
Fig. 8 is the partial schematic diagram of Fig. 1 middle slideway anti-drop device;
Fig. 9 is the partial schematic diagram that in Fig. 1, slideway released by drilling rod;
Figure 10 is the partial schematic diagram that in Fig. 1, injection block resets.
In accompanying drawing, mark is as follows:
1-table top operating personnel, 2-rig floor stage body, 3-first winch, 4-vertical guide rail, 5-supporting leg, 6-drilling rod, 7-slideway, 8-base, 9-sliding seat, 10-support roller, 11-top sheave, 12-lower sheave, 13-otic placode, 14-elevator wheel, 15-roller limited block, 16-angle pulley, 17-bradyseism limited block, 18-rail plate, 19-contiguous block, 20-movable jaw, 21-stationary jaw, 22-injection block, 23-release pulley, 24-back-moving spring.
Detailed description of the invention
Core of the present utility model is to provide a kind of automation cat road, and drilling rod automatic transportation rapidly and efficiently can not damaged drilling rod to pithead position by this automation cat road.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1 to Figure 10, the structural representation in the automation cat road that Fig. 1 provides for detailed description of the invention a kind of in the utility model; Fig. 2 is automation cat road original state schematic diagram; Fig. 3 is that slideway promotes view; Fig. 4 is the view that drilling rod is transported to table top; Fig. 5 is the partial schematic diagram of vertical guide rail place first drive unit in Fig. 1; Fig. 6 is the partial schematic diagram that in Fig. 1, vertical guide rail place slideway promotes end; Fig. 7 is the partial schematic diagram that in Fig. 1, drilling rod is upwards carried at slideway; Fig. 8 is the partial schematic diagram of Fig. 1 middle slideway anti-drop device; Fig. 9 is the partial schematic diagram that in Fig. 1, slideway released by drilling rod; Figure 10 is the partial schematic diagram that in Fig. 1, injection block resets.
In a kind of detailed description of the invention, automation cat road provided by the utility model, comprises base 8, vertical guide rail 4 and slideway 7, for drilling rod 6 to be transported to the drilling floor surface of rig floor stage body from ground.Base 8 is installed on ground, and drilling floor surface has the table top operating personnel 1 receiving drilling rod 6, vertical guide rail 4 connects base 8 and drilling floor surface, and slideway 7 is installed on base 8, for transporting drilling rod 6.Slideway 7 has and promotes end and support end, promotes end near vertical guide rail 4, and promoting end can along vertical guide rail 4 upwards or move down; Support end is away from vertical guide rail 4, and be supported on base 8 all the time, supporting skid rail 7, slideway 7 promotes end and hoists, and support end is supported on base 8, realizes drilling rod 6 to deliver to the position that well head is applicable to operating.Have sliding seat 9 in slideway 7, drilling rod 6 is placed in sliding seat 9, and sliding seat 9 can move along slideway 7, thus drilling rod 6 is transported to drilling floor surface place, and drilling rod 6 and sliding seat 9 geo-stationary, do not have sliding friction between drilling rod 6 and sliding seat 9.Automation cat road also comprises the first drive unit and the second drive unit, and the first drive unit drives to promote to hold and rises along vertical guide rail 4 or decline, and the second drive unit drives sliding seat 9 to move along slideway 7, realizes automatic transportation.Vertical guide rail 4 is vertically arranged, and promote end and vertically promote, vertical-lift, can reduce ramp, structure is simple, and size is less, saves space, well site, it should be noted that, usual base 8 is arranged in the horizontal direction, also can arrange along other suitable direction.
Automation cat road provided by the utility model, can rapidly and efficiently by drilling rod 6 automatic transportation to pithead position, achieve drilling rod 6 automatic transportation, decrease labour intensity; Drilling rod 6 can be protected, in process when transporting drilling rod 6 on drilling floor surface, reduce the bending damage, wearing and tearing etc. of drilling rod 6; Structure is simple, and power arrangement is less, with low cost; Long-distance Control, easy to operate, space hold is little, reduces well site area, safe and reliable.
Above-mentioned automation cat road is only a kind of preferred version, specifically be not limited thereto, pointed adjustment can be made according to actual needs on this basis, thus obtain different embodiments, first drive unit comprises the first winch 3, top sheave 11 and lower sheave 12, slideway 7 has otic placode 13, for connecting the first connection cord, top sheave 11 is installed on the top of vertical guide rail 4, and lower sheave 12 is installed on the bottom of vertical guide rail 4.First winch 3 is wound with two first connection cords, first connection cord can be wire rope, it can also be other suitable connection cord, wherein first connection cord is connected on otic placode 13 through top sheave 11, another root first connection cord is connected on otic placode 13 through lower sheave 12, the winding direction of two the first connection cords is contrary, such as first connection cord is connected on otic placode 13 through top sheave 11 clockwise, another root first connection cord is connected on otic placode 13 through lower sheave 12 counterclockwise, also can be wound around conversely.First winch 3 at vertical guide rail 4 place adopts doubly-linked splicing to connect, and can ensure that slideway 7 promotes smoothly, transfers, also can transfer smoothly when slideway 7 cannot be transferred under Gravitative Loads.
On the basis of above-mentioned detailed description of the invention, those skilled in the art according to the difference of concrete occasion, can carry out some changes to automation cat road, and otic placode 13 is arranged at and promotes end place, is easy to connection first connection cord, simplifies structure.Base 8 is connected with slope track near the side of support end, the lower end of support end has support roller 10, support roller 10 can roll along slope track and promote setting height, slideway 7 is promoted end when upwards promoting along vertical guide rail 4, the support end of slideway 7 can promote raising setting height under the slope track effect of base 8 simultaneously, such as rise to 1.1m, slideway 7 one end vertically hoists, the other end promotes setpoint distance under the effect of base 8 slideway 7, realizes drilling rod 6 to deliver to the position that well head is applicable to operating.Preferably, the both sides of slope track are welded with limiting plate, and support roller 10 is moved in slope track, ensure the stationarity that slideway 7 promotes.Limiting plate can be welded on slope track, and also can be fixed by other suitable mode, all in protection domain of the present utility model, the height of limiting plate is unrestricted, can be such as 10mm.
Obviously, under the guidance of this thought, those skilled in the art can carry out some changes according to the difference of concrete occasion to above-mentioned detailed description of the invention, and the second drive unit comprises the second winch, angle pulley 16.Second winch is wound with the second connection cord, angle pulley 16 is installed on slideway 7 and promotes end place, slideway 7 has rail plate 18, and sliding seat 9 is installed in rail plate 18, and sliding seat 9 moves along rail plate 18.Sliding seat 9 is fixed with contiguous block 19, the second connection cord is connected on contiguous block 19 through angle pulley 16, and the second winch rotarily drives contiguous block 19, sliding seat 9, promote drilling rod 6 to move upward along slideway 7, deliver to drilling floor surface upper table surface operating personnel 1 place always, be easy to control, handled easily.
It is important to note that automation cat road provided by the utility model should not be restricted to this kind of situation, sliding seat 9 is provided with bradyseism limited block 17, bradyseism limited block 17 is relative with sliding seat 9 fixing, shakes for alleviating drilling rod 6.Second winch is installed on contiguous block 19 place, compact conformation, is easy to connection second connection cord.Preferably, contiguous block 19 is welded on sliding seat 9, also can be fixed by other suitable mode, bradyseism limited block 17 is installed on sliding seat 9 by bolt, is easy to connect, and the position of bradyseism limited block 17 on rail plate 18 is adjustable, be convenient to dismounting, the convenient position regulating bradyseism limited block 17.
Automation cat road provided by the utility model, in the immovable situation of other parts, promote end place and be provided with the elevator wheel 14 matched with vertical guide rail 4, elevator wheel 14 is rolled along vertical guide rail 4, reduce resistance, the quantity of elevator wheel 14 can be two.Elevator wheel 14 is provided with roller limited block 15, roller limited block 15 can snap in the draw-in groove of vertical guide rail 4, usual connection is led and is comprised rail two channel-section steels and support square steel, roller limited block 15 snaps in the both sides of channel-section steel, when support roller 10 moves on the slope track of base 8, can ensure that slideway 7 moves along vertical guide rail 4, ensure that slideway 7 promotes smoothly, and when ensureing that slideway 7 promotes, move along vertical guide rail 4.
Cause slideway 7 to fall suddenly for preventing in operation process connection cord fracture or other fault and prevent falling suddenly of slideway 7 by the form of claw, also comprise anti-drop device, vertical guide rail 4 is fixed with the stationary jaw 21 of dentation, roller limited block 15 is provided with the movable jaw 20 be meshed with stationary jaw 21, movable jaw 20 is arranged on slideway 7 and promotes on end roller limited block 15, free to rotate, stationary jaw 21 can be welded on vertical guide rail 4, emergency case is there is once lifting, such as the first connection cord disconnects suddenly, the tooth of movable jaw 20 and stationary jaw 21 can clamp mutually, be unlikely to slideway 7 to drop, ensure job safety, ensure safety.During lowering drill pipes 6, movable jaw 20 departs from stationary jaw 21 by the 3rd drive unit.It should be noted that, drive anti-drop device again during lowering drill pipes 6, the drilling rod that hoists is inoperative, simultaneously this anti-drop device act on when promoting drilling rod 6, slideway 7 is stuck on vertical guide rail 4, ensures the stability that now works and safety.
In order to optimize technique scheme further, 3rd drive unit comprises the rope be connected in the middle of both sides movable jaw 20 and the first cylinder body be connected with rope, coupled together by loose rope in the middle of two movable jaws 20, first cylinder body is connected on loose rope by a rope, first cylinder body action, movable jaw 20 is pulled, throws off clamping.
Except another inventive concept provided by the utility model is, the bottom of slideway 7 is provided with the second cylinder body of connection the 3rd connection cord and releases pulley 23, the indentation, there of slideway 7 sidewall is provided with the injection block 22 drilling rod 6 being released slideway 7,3rd connection cord is connected in the connecting hole on injection block 22 top through releasing pulley 23, drives injection block 22 to rotate around fixed axis under the effect of the second cylinder body cylinder.Specifically, after operation completes, drilling rod 6 is transported to ground, by the second cylinder body, drilling rod 6 is released slideway 7, and the second cylinder body can be cylinder, also can be hydraulic cylinder.Second cylinder body connects the 3rd connection cord, 3rd connection cord is through releasing pulley 23, be connected in the connecting hole on injection block 22 top, under the effect of the second cylinder body, drive injection block 22 to rotate around central fixed shaft, drilling rod 6 is released slideway 7, and injection block 22 is resetted by back-moving spring 24, resets under the effect of back-moving spring 24, structure is simple, easy to operate.
On the basis of each specific embodiment above-mentioned, the supporting leg 5 that base 8 can be folded by several supports, and supports, ensure integrally-built stability as by four supporting legs 5, supporting leg 5 can be folded during transport, reduces transport space.
In this manual, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an automation cat road, it is characterized in that, comprise and be installed on ground base (8), connect the vertical guide rail (4) of described base (8) and drilling floor surface, be installed on described base (8) for transporting the slideway (7) of drilling rod (6), described slideway (7) has near the lifting end of described vertical guide rail (4) and the support end away from described vertical guide rail (4), having in described slideway (7) can along the sliding seat for placing described drilling rod (6) of described slideway (7) movement, described vertical guide rail (4) is vertically arranged, also comprise and drive described lifting hold along described vertical guide rail (4) rising or the first drive unit declined and drive described sliding seat along the second drive unit of described slideway (7) movement.
2. automation cat road according to claim 1, it is characterized in that, described first drive unit comprises the first winch (3) being wound with two first connection cords, be installed on the top sheave (11) on described vertical guide rail (4) top and be installed on the lower sheave (12) of described vertical guide rail (4) bottom, described slideway (7) has otic placode (13), wherein described first connection cord is connected on described otic placode (13) through described top sheave (11), first connection cord described in another root is connected on described otic placode (13) through described lower sheave (12), the winding direction of two described first connection cords is contrary.
3. automation cat road according to claim 2, it is characterized in that, described otic placode (13) is arranged at described lifting end place, described base (8) is connected with slope track near the side of described support end, the lower end of described support end has support roller (10), described support roller (10) can roll along described slope track and promote setting height, and the both sides of described slope track are welded with limiting plate.
4. automation cat road according to claim 2, it is characterized in that, described second drive unit comprises the second winch being wound with the second connection cord and the angle pulley (16) be installed on described slideway (7), described slideway (7) has rail plate (18), described sliding seat (9) is installed on described rail plate (18), described sliding seat is fixed with contiguous block (19), described second connection cord is connected on described contiguous block (19) through described angle pulley (16).
5. automation cat road according to claim 4, it is characterized in that, described sliding seat is provided with fixing for alleviating the bradyseism limited block (17) that described drilling rod (6) shakes corresponding thereto, described second winch is installed on described contiguous block (19) place, described contiguous block (19) is welded on described sliding seat, described bradyseism limited block (17) is installed on described sliding seat by bolt, and the position of described bradyseism limited block (17) on described rail plate (18) is adjustable.
6. the automation cat road according to any one of claim 1-5, it is characterized in that, described lifting end place is provided with the elevator wheel (14) matched with described vertical guide rail (4), described elevator wheel (14) is provided with roller limited block (15), described roller limited block (15) can snap in the draw-in groove of described vertical guide rail (4).
7. automation cat road according to claim 6, it is characterized in that, also comprise anti-drop device, described vertical guide rail (4) is fixed with the stationary jaw (21) of dentation, described roller limited block (15) is provided with the movable jaw (20) be meshed with described stationary jaw (21), described movable jaw (20) departs from described stationary jaw (21) by the 3rd drive unit.
8. automation cat road according to claim 7, is characterized in that, described 3rd drive unit comprises the rope be connected in the middle of movable jaw described in both sides (20) and the first cylinder body be connected with described rope.
9. automation cat road according to claim 7, it is characterized in that, the bottom of described slideway (7) is provided with the second cylinder body of connection the 3rd connection cord and releases pulley (23), the indentation, there of described slideway (7) sidewall is provided with the injection block (22) described drilling rod (6) being released described slideway (7), described 3rd connection cord is connected in the connecting hole on described injection block (22) top through described release pulley (23), under the effect of described second cylinder body cylinder, drive described injection block (22) to rotate around fixed axis, described injection block (22) is resetted by back-moving spring (24).
10. automation cat road according to claim 9, is characterized in that, the supporting leg (5) that described base (8) can be folded by several supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521104630.XU CN205225114U (en) | 2015-12-25 | 2015-12-25 | Automatic change catwalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521104630.XU CN205225114U (en) | 2015-12-25 | 2015-12-25 | Automatic change catwalk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205225114U true CN205225114U (en) | 2016-05-11 |
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ID=55900188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521104630.XU Expired - Fee Related CN205225114U (en) | 2015-12-25 | 2015-12-25 | Automatic change catwalk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205225114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067519A (en) * | 2019-06-05 | 2019-07-30 | 吉林大学 | A kind of dynamic catwalk for Science Drilling |
-
2015
- 2015-12-25 CN CN201521104630.XU patent/CN205225114U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067519A (en) * | 2019-06-05 | 2019-07-30 | 吉林大学 | A kind of dynamic catwalk for Science Drilling |
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| Date | Code | Title | Description |
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| 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: 20160511 Termination date: 20201225 |