CN103362080B - Sound barrier bolton equipment - Google Patents
Sound barrier bolton equipment Download PDFInfo
- Publication number
- CN103362080B CN103362080B CN201310238822.9A CN201310238822A CN103362080B CN 103362080 B CN103362080 B CN 103362080B CN 201310238822 A CN201310238822 A CN 201310238822A CN 103362080 B CN103362080 B CN 103362080B
- Authority
- CN
- China
- Prior art keywords
- bolton
- control system
- equipment
- sound barrier
- telescopic arm
- 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
Abstract
The invention discloses a kind of sound barrier bolton equipment, comprise running gear, dynamical system, hoisting system, control system and bolt fastening system, bolt fastening system comprises boatswain chair, connecting rod and bolton mechanism, bolton mechanism is arranged on connecting rod one end, the connecting rod other end is arranged on boatswain chair, and bolton mechanism is connected with control system; Hoisting system comprises revolving dial, lifting column, telescopic arm and hoist engine, hoist engine is arranged on telescopic arm, telescopic arm fixed end is arranged on lifting column top, be arranged on bottom lifting column on revolving dial, revolving dial is arranged in running gear, and revolving dial, lifting column, telescopic arm are connected with control system respectively with hoist engine; Boatswain chair is connected with hoist engine by wire rope.Bolt fastening system is moved to the position of bolt to be tightened by the present invention by hoisting system, thus realizes the fastening of bolt, simple to operation, the high and job safety of efficiency.Be applicable to railroad maintenance.
Description
Technical field
The present invention relates to high ferro service equipment, particularly relate to a kind of sound barrier bolton equipment.
Background technology
Because the speed of service of bullet train is exceedingly fast, so bullet train can produce very large noise in running.For solving the noise pollution problem that bullet train produces residential block, general meeting installs sound barrier respectively in the both sides of high-speed railway, and (this sound barrier comprises sound insulating panel and column, described column is mounted by means of bolts on high-speed railway both sides, described sound insulating panel is arranged on described column), to do sound insulation.But, when bullet train is through sound barrier region, because bullet train is anterior and afterbody can produce positive and negative blast, this positive and negative blast can produce to extrapolation and the alternating force of inwardly drawing to the sound barrier of circuit both sides, can loosen under the effect of these two alternating forces for the bolt of fixed sound barrier column, even damage, column is toppled over, had a strong impact on the safe operation of bullet train.
At present, general employing implements terminal operation to described bolt by hand, mostly adopts following two kinds of operating types:
1, remove sound insulating panel mode: owing to being equipped with sound insulating panel between column, the bolt so operating personnel must first dismantle outside sound insulating panel ability column carries out terminal operation; But sound insulating panel is very heavy, need lift by crane with special crane gear, and, after completing the bolton in outside, need again, with crane gear, sound insulating panel is reinstalled original place; Like this, efficiency is extremely low, cannot meet the maintenance operation of high ferro; Meanwhile, in the process of dismounting sound insulating panel, also damage may be caused.
2, operating personnel's mode is hung: because high-speed railway mostly is overhead, apart from tens meters at least, ground, tens meters at most, and do not have job execution platform outside overhead bridge pier, carry out operation in midair so operating personnel must to be suspended in rope, such operating type also exists great personal safety hidden danger.
Summary of the invention
The object of the invention is the deficiency in order to overcome above-mentioned background technology, providing a kind of job safety and the high sound barrier bolton equipment of efficiency.
In order to realize above object, a kind of sound barrier bolton equipment provided by the invention, comprise running gear, dynamical system, hoisting system and control system, described dynamical system, hoisting system and control system are arranged in described running gear respectively, also comprise bolt fastening system, described bolt fastening system comprises boatswain chair, connecting rod and bolton mechanism, described bolton mechanism is arranged on one end of described connecting rod, the other end of described connecting rod is arranged on described boatswain chair, and described bolton mechanism is connected with described control system; Described hoisting system comprises revolving dial, lifting column, telescopic arm and hoist engine, described hoist engine is arranged on described telescopic arm, the fixed end of described telescopic arm is arranged on the top of described lifting column, the bottom of described lifting column is arranged on described revolving dial, described revolving dial is arranged in described running gear, and described revolving dial, lifting column, telescopic arm and hoist engine are connected with described control system respectively; Described boatswain chair is connected with described hoist engine by wire rope.By described hoisting system, described bolt fastening system is moved to the position of bolt to be tightened, thus realize the fastening of described bolt, without the need to operating personnel half idle job, also without the need to removing sound insulating panel, simple to operation, the high and job safety of efficiency.
In such scheme, described bolton mechanism comprises hydraulic motor, transmission component and sleeve, described sleeve is connected with the output of described transmission component, and the input of described transmission component is connected with the output of described hydraulic motor, and described hydraulic motor is connected with described control system.Certainly, the bolton mechanism of other structures can also be adopted.
In such scheme, be provided with oscillating oil cylinder between described boatswain chair and connecting rod, the output of described oscillating oil cylinder is connected with described connecting rod, and described oscillating oil cylinder is arranged on described boatswain chair, and described oscillating oil cylinder is connected with described control system; Described boatswain chair is provided with otic placode, and on described telescopic arm, the position of corresponding described otic placode is provided with the electronic latch matched with described otic placode, and described electronic latch is connected with described control system.The swing of described bolton mechanism can be realized by the oscillating oil cylinder added, like this, without the need to the stroke that described lifting column lifting is larger, thus reduce the size of described lifting column, also reduce cost.
In such scheme, described transmission component is provided with contraposition video-frequency monitor, and described contraposition video-frequency monitor is connected with described control system, and this contraposition video-frequency monitor energy convenient working personnel operate accurately.
In such scheme, be provided with the levelling gear for regulating revolving dial levelness between described revolving dial and running gear, this levelling gear can prevent this fastening apparatus from tumbling.
In such scheme, described wire rope is provided with equalizer, and described equalizer is connected with described control system.
In such scheme, the telescopic end of described telescopic arm is provided with the video-frequency monitor for checking column state, and described video-frequency monitor is connected with described control system.
In such scheme, the suspension centre of described hoist engine is arranged on the telescopic section of described telescopic arm.
In such scheme, described control system by hanger erection on described boatswain chair, to ensure that operating personnel can closely operation, handled easily.
In such scheme, described suspension rod and connecting rod are arranged in parallel.
The present invention is compared with the prior art, its superiority of abundant display is: on the one hand, by described hoisting system, described bolt fastening system is moved to the position of bolt to be tightened, thus realize the fastening of described bolt, without the need to operating personnel half idle job, also without the need to removing sound insulating panel, simple to operation, the high and job safety of efficiency; On the other hand, the swing of described bolton mechanism can be realized by the oscillating oil cylinder added, like this, without the need to the stroke that described lifting column lifting is larger, thus reduce the size of described lifting column, also reduce cost; Again on the one hand, operated accurately by the contraposition video-frequency monitor energy convenient working personnel added.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the working state structure schematic diagram of hoisting system, control system and bolt fastening system in the present invention.
In figure: running gear 1, dynamical system 2, hoisting system 3, revolving dial 3a, lifting column 3b, telescopic arm 3c, electronic latch 3c1, hoist engine 3d, suspension centre 3d1, levelling gear 3e, control system 4, bolt fastening system 5, boatswain chair 5a, otic placode 5a1, connecting rod 5b, bolton mechanism 5c, hydraulic motor 5c1, transmission component 5c2, sleeve 5c3, oscillating oil cylinder 5d, wire rope 6, equalizer 6a, contraposition video-frequency monitor 7, video-frequency monitor 8, suspension rod 9, bolt 10, column 11.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail, but this embodiment should not be construed as limitation of the present invention.
As shown in Figure 1: the present embodiment provides a kind of sound barrier bolton equipment, comprise running gear 1, dynamical system 2, hoisting system 3, control system 4 and bolt fastening system 5, described dynamical system 2, hoisting system 3 and control system 4 are arranged in described running gear 1 respectively, described bolt fastening system 5 comprises boatswain chair 5a, connecting rod 5b and bolton mechanism 5c, described bolton mechanism 5c is arranged on one end of described connecting rod 5b, the other end of described connecting rod 5b is arranged on described boatswain chair 5a, described bolton mechanism 5c is connected with described control system 4, described hoisting system 3 comprises revolving dial 3a, lifting column 3b, telescopic arm 3c and hoist engine 3d, described hoist engine 3d is arranged on described telescopic arm 3c, the fixed end of described telescopic arm 3c is arranged on the top (i.e. telescopic end) of described lifting column 3b, the bottom (i.e. fixed end) of described lifting column 3b is arranged on described revolving dial 3a, described revolving dial 3a is arranged in described running gear 1, and described revolving dial 3a, lifting column 3b, telescopic arm 3c and hoist engine 3d are connected with described control system 4 respectively, described boatswain chair 5a is connected with described hoist engine 3d by wire rope 6.By described hoisting system 3, described bolt fastening system 5 is moved to the position of bolt 10 to be tightened, thus realize the fastening of described bolt 10 to be tightened, without the need to operating personnel half idle job, also without the need to removing sound insulating panel, simple to operation, the high and job safety of efficiency.
Above-mentioned bolton mechanism 5c comprises hydraulic motor 5c1, transmission component 5c2 and sleeve 5c3, described sleeve 5c3 is connected with the output of described transmission component 5c2, the input of described transmission component 5c2 is connected with the output of described hydraulic motor 5c1, and described hydraulic motor 5c1 is connected with described control system 4.Certainly, the bolton mechanism of other structures can also be adopted.
Be provided with oscillating oil cylinder 5d between above-mentioned boatswain chair 5a and connecting rod 5b, the output of described oscillating oil cylinder 5d is connected with described connecting rod 5b, and described oscillating oil cylinder 5d is arranged on described boatswain chair 5a, and described oscillating oil cylinder 5d is connected with described control system 4; Described boatswain chair 5a is provided with otic placode 5a1, and on described telescopic arm 3c, the position of corresponding described otic placode 5a1 is provided with the electronic latch 3c1 matched with described otic placode 5a1, and described electronic latch 3c1 is connected with described control system 4.The swing of described bolton mechanism 5 and connecting rod can be realized by the oscillating oil cylinder 5d added, like this, be elevated larger stroke without the need to described lifting column 3b, thus reduce the size of described lifting column 3b, also reduce cost.
Above-mentioned transmission component 5c2 is provided with contraposition video-frequency monitor 7, and described contraposition video-frequency monitor 7 is connected with described control system 4, and this contraposition video-frequency monitor 7 can convenient working personnel operate accurately.Be provided with the levelling gear 3e for regulating revolving dial 3a levelness between described revolving dial 3a and running gear 1, this levelling gear 3e can prevent this fastening apparatus from tumbling.Described wire rope 6 is provided with equalizer 6a, and described equalizer 6a is connected with described control system 4.The telescopic end of described telescopic arm 3c is provided with the video-frequency monitor 8 for checking column state, and described video-frequency monitor 8 is connected with described control system 4.
The suspension centre 3d1 of above-mentioned hoist engine 3d is arranged on the telescopic section of described telescopic arm 3c.Described control system 4 is arranged on described boatswain chair 5a by suspension rod 9, to ensure that operating personnel can closely operation, handled easily.Described suspension rod 9 and connecting rod 5b are arranged in parallel.
The course of work of the present invention is as follows:
1, under the state of returning the vehicle to the garage and knock off, operation control system 4 controls described oscillating oil cylinder 5d makes described bolt fastening system 5 swing to horizontal level;
2, operation control system 4 controls described lifting column 3b and rises to stroke end (by described telescopic arm 3c jack-up);
3, operation control system 4 controls described revolving dial 3a and makes described hoisting system 3 and bolt fastening system 5 turn to the sound barrier direction of high-speed railway both sides;
4, operation control system 4 controls telescopic arm 3c and makes bolt fastening system 5 reach position outside column 11, now can observe the state of column 11 by described video-frequency monitor 8, to guarantee that column 11 is in shape;
5, operation control system 4 controls described oscillating oil cylinder 5d and makes bolt fastening system 5 swing vertical position;
6, observe contraposition video-frequency monitor 7, operation control system 4 control lines walking system 1, revolving dial 3a, telescopic arm 3c and equalizer 6a make sleeve 5c3 be sleeved on bolt 10 to be tightened, if desired, also can control described lifting column 3b action;
7, the fastening described bolt 10 of operation control system 4 hydraulic control motor 5c1 drive sleeve 5c3;
8, operation control system 4 makes bolt fastening system 5 moves a segment distance, and then control lines walking system 1 walking is carried out fastening to next bolt 10 place to be tightened;
9, all bolts 10 fastening after, operation control system 4 controls bolt fastening system 5 and hoisting system 3 return, makes this equipment be in the state of returning the vehicle to the garage and knock off.
Described bolt fastening system 5 is moved to the position of bolt 10 to be tightened by the present invention by described hoisting system 3, thus realize the fastening of bolt 10 to be tightened, without the need to operating personnel half idle job, also without the need to removing sound insulating panel, simple to operation, the high and job safety of efficiency; The swing of described bolton mechanism 5 and connecting rod can be realized by the oscillating oil cylinder 5d added, like this, possess larger stroke without the need to described lifting column 3b, thus reduce the size of described lifting column 3b, also reduce cost; Can convenient working personnel be operated accurately by the contraposition video-frequency monitor 7 added.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a sound barrier bolton equipment, comprise running gear, dynamical system, hoisting system and control system, described dynamical system, hoisting system and control system are arranged in described running gear respectively, it is characterized in that, also comprise bolt fastening system, described bolt fastening system comprises boatswain chair, connecting rod and bolton mechanism, described bolton mechanism is arranged on one end of described connecting rod, the other end of described connecting rod is arranged on described boatswain chair, and described bolton mechanism is connected with described control system; Described hoisting system comprises revolving dial, lifting column, telescopic arm and hoist engine, described hoist engine is arranged on described telescopic arm, the fixed end of described telescopic arm is arranged on the top of described lifting column, the bottom of described lifting column is arranged on described revolving dial, described revolving dial is arranged in described running gear, and described revolving dial, lifting column, telescopic arm and hoist engine are connected with described control system respectively; Described boatswain chair is connected with described hoist engine by wire rope.
2. sound barrier bolton equipment as claimed in claim 1, it is characterized in that, described bolton mechanism comprises hydraulic motor, transmission component and sleeve, described sleeve is connected with the output of described transmission component, the input of described transmission component is connected with the output of described hydraulic motor, and described hydraulic motor is connected with described control system.
3. sound barrier bolton equipment as claimed in claim 1 or 2, it is characterized in that, oscillating oil cylinder is provided with between described boatswain chair and connecting rod, the output of described oscillating oil cylinder is connected with described connecting rod, described oscillating oil cylinder is arranged on described boatswain chair, and described oscillating oil cylinder is connected with described control system; Described boatswain chair is provided with otic placode, and on described telescopic arm, the position of corresponding described otic placode is provided with the electronic latch matched with described otic placode, and described electronic latch is connected with described control system.
4. sound barrier bolton equipment as claimed in claim 2, it is characterized in that, described transmission component is provided with contraposition video-frequency monitor, and described contraposition video-frequency monitor is connected with described control system.
5. sound barrier bolton equipment as claimed in claim 1 or 2, is characterized in that, being provided with the levelling gear for regulating revolving dial levelness between described revolving dial and running gear.
6. sound barrier bolton equipment as claimed in claim 1 or 2, it is characterized in that, described wire rope is provided with equalizer, and described equalizer is connected with described control system.
7. sound barrier bolton equipment as claimed in claim 1 or 2, it is characterized in that, the telescopic end of described telescopic arm is provided with the video-frequency monitor for checking column state, and described video-frequency monitor is connected with described control system.
8. sound barrier bolton equipment as claimed in claim 1 or 2, it is characterized in that, the suspension centre of described hoist engine is arranged on the telescopic section of described telescopic arm.
9. sound barrier bolton equipment as claimed in claim 1 or 2, is characterized in that, described control system by hanger erection on described boatswain chair.
10. sound barrier bolton equipment as claimed in claim 9, it is characterized in that, described suspension rod and connecting rod are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310238822.9A CN103362080B (en) | 2013-06-17 | 2013-06-17 | Sound barrier bolton equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310238822.9A CN103362080B (en) | 2013-06-17 | 2013-06-17 | Sound barrier bolton equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103362080A CN103362080A (en) | 2013-10-23 |
| CN103362080B true CN103362080B (en) | 2015-07-29 |
Family
ID=49364286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310238822.9A Expired - Fee Related CN103362080B (en) | 2013-06-17 | 2013-06-17 | Sound barrier bolton equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103362080B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105133515B (en) * | 2015-09-21 | 2017-07-25 | 武汉市聚力恒隆自动化设备工程有限公司 | Sound barrier inspection maintenance of equipment |
| CN108316174B (en) * | 2018-03-23 | 2023-08-25 | 中国铁路郑州局集团有限公司科学技术研究所 | Sound barrier overhauling equipment and method |
| CN110820613A (en) * | 2019-11-12 | 2020-02-21 | 苏州路云机电设备有限公司 | High-speed railway sound barrier bolt detects and maintains system's equipment |
| CN110778883A (en) * | 2019-11-12 | 2020-02-11 | 苏州路云机电设备有限公司 | High-speed railway sound barrier bolt overhauls device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003268726A (en) * | 2002-03-18 | 2003-09-25 | Nippon Steel Metal Prod Co Ltd | Sound insulating wall for road |
| KR20070009109A (en) * | 2005-07-15 | 2007-01-18 | 주식회사 포스코 | Back-pressing device for noise barrier |
| CN201276676Y (en) * | 2008-10-07 | 2009-07-22 | 铁道第三勘察设计院集团有限公司 | Sound barrier upright post and bridge curtain board connection mounting structure for high-speed railway |
| CN202416199U (en) * | 2012-02-01 | 2012-09-05 | 济南三新铁路润滑材料有限公司 | Railway noise barrier lifter |
| CN203346809U (en) * | 2013-06-17 | 2013-12-18 | 武汉利德测控技术股份有限公司 | Sound barrier bolt fastening device |
-
2013
- 2013-06-17 CN CN201310238822.9A patent/CN103362080B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003268726A (en) * | 2002-03-18 | 2003-09-25 | Nippon Steel Metal Prod Co Ltd | Sound insulating wall for road |
| KR20070009109A (en) * | 2005-07-15 | 2007-01-18 | 주식회사 포스코 | Back-pressing device for noise barrier |
| CN201276676Y (en) * | 2008-10-07 | 2009-07-22 | 铁道第三勘察设计院集团有限公司 | Sound barrier upright post and bridge curtain board connection mounting structure for high-speed railway |
| CN202416199U (en) * | 2012-02-01 | 2012-09-05 | 济南三新铁路润滑材料有限公司 | Railway noise barrier lifter |
| CN203346809U (en) * | 2013-06-17 | 2013-12-18 | 武汉利德测控技术股份有限公司 | Sound barrier bolt fastening device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103362080A (en) | 2013-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103362080B (en) | Sound barrier bolton equipment | |
| CN202785258U (en) | Hoisting device for air overturn of large-sized steel column | |
| CN202945003U (en) | Portal crane for mounting large-scale equipment | |
| CN106006403A (en) | Double-beam cantilever crane | |
| CN103806369B (en) | For the connected mode of the viscous damper of Longspan Bridge antidetonation | |
| CN104291222B (en) | The inner hard protection of a kind of high-rise building Core Walls Structure hangs integrated system with row | |
| CN204625045U (en) | A kind of steel structure hoisting door shaped stent formula hanging apparatus | |
| CN203346809U (en) | Sound barrier bolt fastening device | |
| CN206538116U (en) | It is a kind of that there is the autocrane cleaned with drilling function | |
| CN201737616U (en) | Double-lifting pole | |
| CN202449759U (en) | Lightning-protection container gantry crane | |
| CN203904834U (en) | Bridge detection vehicle for multiple working conditions | |
| CN204474165U (en) | A kind of height limit system | |
| CN105480861A (en) | Turnover lifting tool | |
| CN206940302U (en) | A kind of construction site whip-and-derry | |
| CN208791035U (en) | Solid concrete roabed assembles portal frame with rail | |
| CN204823777U (en) | Two roof beam hoists are with integrated monkey frame | |
| CN204702403U (en) | Diesel engine piston linkage rod group lifting auxiliary device | |
| CN101465575A (en) | In-situ modeling test system for live loading of high-speed railway | |
| CN202465115U (en) | Double main beam gantry crane | |
| CN206476708U (en) | A kind of device that lifting is moved suitable for narrow space | |
| CN204727483U (en) | A kind of hoisting crane fixed pulley | |
| CN207017622U (en) | A kind of elevator safe construction operating platform | |
| CN204457048U (en) | Self lift type head tower installation hanger device | |
| CN204198264U (en) | Electric block drift angle lifting auxiliary device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA ACADEMY OF RAILWAY SCIENCES Free format text: FORMER OWNER: WUHAN LEADDO MEASURING + CONTROL CO., LTD. Effective date: 20131217 Owner name: WUHAN LEADDO MEASURING + CONTROL CO., LTD. ENERGY Effective date: 20131217 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Qiu Hui Inventor after: Zeng Fengliu Inventor after: Mei Kun Inventor after: Zhang Qi Inventor after: Xie Tao Inventor after: Deng Ruifang Inventor after: Zhang Baojun Inventor before: Mei Kun Inventor before: Zhang Qi Inventor before: Xie Tao Inventor before: Deng Ruifang Inventor before: Zhang Baojun |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430070 WUHAN, HUBEI PROVINCE TO: 100081 HAIDIAN, BEIJING Free format text: CORRECT: INVENTOR; FROM: MEI KUN ZHANG QI XIE TAO DENG RUIFANG ZHANG BAOJUN TO: QIU HUI CENG FENGLIU MEI KUN ZHANG QI XIE TAO DENG RUIFANG ZHANG BAOJUN |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20131217 Address after: 100081 Beijing city Haidian District Daliushu Road No. 2 Applicant after: CHINA ACADEMY OF RAILWAY SCIENCES Applicant after: Wuhan Leaddo Measuring & Control Co.,Ltd. Applicant after: ENERGY SAVING & ENVIRONMENTAL PROTECTION & OCCUPATIONAL SAFETY AND HEALTH Research Institute CHINA ACADEMY OF RAILWAY SCIENCES Applicant after: Beijing China Railway Science energy conservation and environmental protection new technology Co.,Ltd. Address before: 430070 Hubei Province, Wuhan city Hongshan District North Industrial Park Wenzhi Street No. 16 Applicant before: Wuhan Leaddo Measuring & Control Co.,Ltd. |
|
| 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: 20150729 |