CN110562403B - Automatic salvage ship for river channel cleaning - Google Patents
Automatic salvage ship for river channel cleaning Download PDFInfo
- Publication number
- CN110562403B CN110562403B CN201910987390.9A CN201910987390A CN110562403B CN 110562403 B CN110562403 B CN 110562403B CN 201910987390 A CN201910987390 A CN 201910987390A CN 110562403 B CN110562403 B CN 110562403B
- Authority
- CN
- China
- Prior art keywords
- net
- ship
- cross rod
- cabin
- salvage
- 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.)
- Active
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 208000034699 Vitreous floaters Diseases 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000007667 floating Methods 0.000 description 12
- 230000007613 environmental effect Effects 0.000 description 10
- 108010066114 cabin-2 Proteins 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/32—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for collecting pollution from open water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/10—Devices for removing the material from the surface
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
Abstract
The invention discloses an automatic salvage ship for river channel cleaning, which mainly comprises a ship body and a salvage net; the middle part of the ship body is provided with a cabin, two sides of the cabin are respectively provided with upright rods, the upright rods are respectively provided with bearing seats with adjustable upper and lower positions, a cross rod is sleeved between the bearing seats, two ends of the cross rod extend beyond the left side and the right side of the ship body, two ends of the cross rod are respectively connected with a fishing net, the net rack is along the running direction of the ship, the front part is provided with a fishing net inlet, the rear part is hung with a rear side net, the bottom is hung with a cambered surface net, two sides are provided with an outer net and an inner net, and a semi-conical guide plate is arranged in the fishing net close to the cross rod; the bottom of the cabin is provided with a filter screen plate. The invention utilizes the resistance of water to realize automatic rotation without additional power; the semi-conical guide plates are obliquely arranged, so that floaters are automatically sent into the cabin without manual assistance; the automatic machine has the advantages of novel structural design, high automation degree, high efficiency, energy conservation and popularization and use value.
Description
Technical Field
The invention belongs to the field of river channel garbage cleaning equipment, and particularly relates to an automatic salvage ship for river channel cleaning.
Background
Environmental protection generally refers to a general term for various actions taken by a human to solve real or potential environmental problems, coordinate the relationship between the human and the environment, protect the living environment of the human, and ensure the sustainable development of the economy and society. The method and means are engineering technology, administrative management, economy, propaganda and education and the like. The relevant important meeting of the country proposes: the environmental control force is increased, the environmental quality is improved as a core, the strictest environmental protection system is implemented, the action plan for preventing and controlling the pollution of the atmosphere, water and soil is deeply implemented, and the following environmental protection agency monitoring and monitoring law enforcement vertical management system is implemented. Therefore, environmental protection is increasingly gaining importance.
In the current environmental treatment of water surfaces such as lake surfaces, river channels and the like, the salvaging of floaters on the water surfaces is the most basic work, and the task is completed at present, mainly the salvaging is carried out by means of a manual ship-sitting net, and the salvaging is carried out on a ship, so that the manual work load is large, and the efficiency is low. Therefore, it is very significant to design a high-efficiency, fully-automatic salvage ship.
Disclosure of Invention
The invention aims to solve the problems, and provides an automatic salvage ship for river channel cleaning, which realizes full-automatic salvage operation on water surface floaters, greatly improves working efficiency and reduces labor cost.
The technical scheme of the invention is realized in such a way that the automatic salvage ship for river channel cleaning mainly comprises a ship body and a salvage net; the ship is characterized in that an open cabin is arranged in the middle of the ship body, upright rods are vertically arranged on two sides of the cabin respectively, bearing seats which can be adjusted along the upper and lower positions of the upright rods are respectively arranged on the upright rods, a cross rod is sleeved between bearings in the bearing seats, two ends of the cross rod extend beyond the left side and the right side of the ship body, two ends of the cross rod are respectively connected with at least two sector salvaging nets, and the salvaging nets connected with each end of the cross rod are uniformly arranged in a vertical plane taking the cross rod as an axle center; the fishing net is characterized in that the fishing net is taken as a supporting frame, the net frame is taken as a supporting frame along the running direction of the ship, the front is provided with a fishing net inlet, the rear is provided with a rear side net, the bottom is provided with an arc surface net, two sides are provided with an outer side net and an inner side net, a half-cone-shaped guide plate is arranged in the fishing net and close to the position of a cross rod, a small cone opening of the half-cone-shaped guide plate is propped against the outer side net, a large cone opening of the half-cone-shaped guide plate penetrates through the inner side net and faces the cabin direction, the concave surface of the half-cone-shaped guide plate is opposite to the arc surface net, and when the arc surface net faces downwards, the horizontal position of the small cone opening of the half-cone-shaped guide plate is higher than the horizontal position of the large cone opening; the bottom of the cabin is provided with a filter screen plate, and a drain hole is arranged below the filter screen plate.
Further, the automatic salvage ship for river channel cleaning is characterized in that two salvage nets are arranged at each end of the cross rod in a position opposite to each other, and two salvage net center connecting lines at one end of the cross rod are mutually perpendicular to two salvage net center connecting lines at the other end of the cross rod.
Further, the automatic salvage ship for river cleaning is characterized in that a water baffle is connected between the rear side net and the cambered surface net, and the water baffle increases the rotating force of the salvage net through the thrust of water.
Furthermore, the automatic salvage ship for river channel cleaning is characterized in that an engine serving as a power device is arranged on the ship body.
Further, the automatic salvage ship for river channel cleaning is characterized in that the ship body is provided with the hoisting beam, and the hoisting beam is provided with the lifting hook positioned above the cabin.
Furthermore, the automatic salvage ship for river channel cleaning is characterized in that the lower part of the bearing seat is connected with a hydraulic lifting mechanism.
The working principle is as follows: when the ship body moves forwards, the salvaging net is enabled to enter the floating objects in the water from the salvaging net inlet by adjusting the height of the bearing seat, the salvaging net with the floating objects rotates anticlockwise due to water resistance, when the salvaging net rotates to a higher position, the floating objects in the net fall into the semi-conical guide plate due to the action of gravity, the semi-conical guide plate is obliquely arranged, meanwhile, the floating objects slide out through the semi-conical guide plate and are thrown into the ship cabin due to the inertia effect, and therefore automatic salvaging operation is achieved, and manual assistance is not needed.
The beneficial effects of the invention are as follows: 1. the invention utilizes the resistance of water to realize automatic rotation without additional power; 2. the semi-conical guide plates are obliquely arranged, so that floaters are automatically sent into the cabin without manual assistance; 3. the height of the salvaging net can be adjusted, and the salvaging depth can be adjusted conveniently. The invention has novel structural design, high automation degree, high efficiency, energy conservation and popularization and use value.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a cross-sectional view at a in fig. 1.
Fig. 3 is a schematic view of another structure of the present invention.
In the figure, 1, a ship body, 2, a cabin, 3, a vertical rod, 4, a bearing seat, 5, a cross rod, 6, a salvaging net, 61, a net rack, 62, a salvaging net inlet, 63, a rear side net, 64, a cambered surface net, 65, an outer side net, 66, an inner side net, 67, a semi-conical guide plate, 68, a water baffle, 7, a filter screen plate, 8, a drain hole, 9, an engine, 10, a hoisting beam, 11, a lifting hook, 12 and a hydraulic lifting mechanism.
Detailed Description
Example 1:
as shown in fig. 1 and 2, an automatic salvage ship for river channel cleaning is characterized by mainly comprising a ship body and a salvage net; the ship is characterized in that an open cabin 2 is arranged in the middle of the ship body 1, vertical rods 3 are vertically arranged on two sides of the cabin 2 respectively, bearing seats 4 which can be adjusted along the vertical rods 3 are respectively arranged on the vertical rods 3, a cross rod 5 is sleeved between bearings in the bearing seats 4, two ends of the cross rod 5 extend beyond the left side and the right side of the ship body, two fan-shaped salvage nets 6 are respectively connected to two ends of the cross rod 5, 2 salvage nets 6 respectively connected to the left end and the right end of the cross rod 5 are symmetrically arranged in a vertical plane in a central mode by taking the cross rod 5 as an axis, and the central connecting lines of the two salvage nets 6 at one end of the cross rod 5 are mutually perpendicular to the central connecting lines of the two salvage nets 6 at the other end of the cross rod 5 (namely, when the two salvage nets 6 at one side are in the vertical position, the two salvage nets 6 at the other side are in the horizontal position as shown in fig. 1); the fishing net 6 is characterized in that the net frame 61 is used as a supporting frame, the net frame 61 is provided with a fishing net inlet 62 at the front and a rear net 63 at the rear along the running direction of the ship, a cambered surface net 64 is hung at the bottom, an outer net 65 and an inner net 66 are arranged at two sides of the fishing net 6, a semi-conical guide plate 67 is arranged in the fishing net 6 and close to a cross rod, a small cone opening of the semi-conical guide plate 67 is propped against the outer net 65, a large cone opening of the semi-conical guide plate 67 passes through the inner net 66 and faces the cabin direction, a concave surface of the semi-conical guide plate 67 is opposite to the cambered surface net 64, and when the cambered surface net 64 faces downwards, the small cone opening of the semi-conical guide plate 67 is higher than the large cone opening; the bottom of the cabin 2 is provided with a filter screen plate 7, and a drain hole 8 is arranged below the filter screen plate 7. The hull 1 is provided with an engine 9 as a power unit. The lower part of the bearing seat 4 is connected with a hydraulic lifting mechanism 12.
The working process is as follows: as shown in fig. 1 and 2, when the ship body 1 advances along the arrow, the salvage net 6 is made to enter the floating objects in the water from the salvage net inlet 62 by adjusting the height of the bearing seat 4, the salvage net 6 filled with the floating objects rotates anticlockwise due to the resistance of the water, when the salvage net 6 rotates from the position B to the position C, the floating objects in the net fall into the semi-conical guide plate 67 due to the gravity, and due to the inclined arrangement of the semi-conical guide plate 67 and the inertia effect, the floating objects slide out through the semi-conical guide plate 67 and are thrown into the ship cabin 2, so that the automatic salvage operation is realized without manual assistance.
Or when the ship turns off the engine 9 and stops advancing, the salvage net 6 automatically rotates due to the thrust of flowing water when the ship body 1 is fixed at a certain position on a river, so that the automatic operation can be realized without external power, and the energy conservation and the environmental protection are realized.
Example 2:
as shown in fig. 3, an automatic salvage ship for river channel cleaning mainly comprises a ship body and a salvage net; the middle part of the ship body 1 is provided with an open cabin 2, two sides of the cabin 2 are respectively and vertically provided with upright rods 3, the upright rods 3 are respectively provided with bearing seats 4 which can be adjusted along the upper and lower positions of the upright rods 3, a cross rod 5 is sleeved between bearings in the bearing seats 4, two ends of the cross rod 5 extend beyond the left side and the right side of the ship body, two ends of the cross rod 5 are respectively connected with four sector-shaped salvage nets 6 (only two are vertically arranged in the figure, the other two are horizontally arranged to avoid unclear identification of other structural members, and the 4 salvage nets 6 connected with each end of the cross rod 5 are uniformly arranged in a vertical plane taking the cross rod 5 as an axle center; the fishing net 6 is characterized in that the net frame 61 is used as a supporting frame, the net frame 61 is provided with a fishing net inlet 62 at the front and a rear net 63 at the rear along the running direction of the ship, a cambered surface net 64 is hung at the bottom, an outer net 65 and an inner net 66 are arranged at two sides of the fishing net 6, a semi-conical guide plate 67 is arranged in the fishing net 6 and close to a cross rod, a small cone opening of the semi-conical guide plate 67 is propped against the outer net 65, a large cone opening of the semi-conical guide plate 67 passes through the inner net 66 and faces the cabin direction, a concave surface of the semi-conical guide plate 67 is opposite to the cambered surface net 64, and when the cambered surface net 64 faces downwards, the small cone opening of the semi-conical guide plate 67 is higher than the large cone opening; the bottom of the cabin 2 is provided with a filter screen plate 7, and a drain hole 8 is arranged below the filter screen plate 7. The water baffle 68 is connected between the rear side net 63 and the cambered surface net 64, and the water baffle 68 increases the rotating force of the overshot 6 through the thrust of water generated in the running process of the ship, so that the overshot 6 can rotate by itself without adding extra power. The hull 1 is provided with an engine 9 as a power unit. The ship body 1 is provided with a hoisting beam 10, and the hoisting beam 10 is provided with a lifting hook 11 positioned above the cabin 2. The transfer of the aquatic floats collected in the hold 2 to shore is facilitated. The lower part of the bearing seat 4 is connected with a hydraulic lifting mechanism 12.
The working process is as follows: as shown in fig. 1 and 2, when the ship body 1 advances along the arrow, the height of the bearing seat 4 is adjusted to enable the salvage net 6 to enter the floating objects in the water from the salvage net inlet 62, the salvage net 6 filled with the floating objects is automatically rotated in the anticlockwise direction due to the resistance of the water and the resistance of the water baffle 68, when the salvage net 6 rotates from the position B to the position C, the floating objects in the net fall into the semi-conical guide plate 67 due to the gravity, and due to the inclined arrangement of the semi-conical guide plate 67 and the inertia effect, the floating objects slide out through the semi-conical guide plate 67 and are thrown into the cabin 2, so that the automatic salvage operation is realized without manual assistance.
Or when the ship turns off the engine 9 and stops advancing, the salvage net 6 automatically rotates due to the thrust of flowing water when the ship body 1 is fixed at a certain position on a river, so that the automatic operation can be realized without external power, and the energy conservation and the environmental protection are realized.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (6)
1. An automatic salvage ship for river channel cleaning mainly comprises a ship body and a salvage net; the ship is characterized in that an open cabin is arranged in the middle of the ship body, upright rods are vertically arranged on two sides of the cabin respectively, bearing seats which can be adjusted along the upper and lower positions of the upright rods are respectively arranged on the upright rods, a cross rod is sleeved between bearings in the bearing seats, two ends of the cross rod extend beyond the left side and the right side of the ship body, two ends of the cross rod are respectively connected with at least two sector salvaging nets, and the salvaging nets connected with each end of the cross rod are uniformly arranged in a vertical plane taking the cross rod as an axle center; the fishing net is characterized in that the fishing net is taken as a supporting frame, the net frame is taken as a supporting frame along the running direction of the ship, the front is provided with a fishing net inlet, the rear is provided with a rear side net, the bottom is provided with an arc surface net, two sides are provided with an outer side net and an inner side net, a half-cone-shaped guide plate is arranged in the fishing net and close to the position of a cross rod, a small cone opening of the half-cone-shaped guide plate is propped against the outer side net, a large cone opening of the half-cone-shaped guide plate penetrates through the inner side net and faces the cabin direction, the concave surface of the half-cone-shaped guide plate is opposite to the arc surface net, and when the arc surface net faces downwards, the horizontal position of the small cone opening of the half-cone-shaped guide plate is higher than the horizontal position of the large cone opening; the bottom of the cabin is provided with a filter screen plate, and a drain hole is arranged below the filter screen plate.
2. The automatic fishing vessel for river cleaning of claim 1, wherein two fishing nets are arranged at each end of the cross bar in opposite positions, and two fishing net center connecting lines at one end of the cross bar are perpendicular to two fishing net center connecting lines at the other end of the cross bar.
3. The automatic salvage ship for river channel cleaning of claim 1, wherein a water baffle is connected between the back side net and the cambered surface net.
4. The automatic salvage ship for river channel cleaning of claim 1, wherein said ship body is provided with an engine as a power unit.
5. An automatic salvage ship for river channel cleaning according to claim 1 or 2, characterized in that said ship body is provided with a lifting beam, and said lifting beam is provided with a lifting hook positioned above the cabin.
6. The automatic salvage ship for river channel cleaning of claim 1, wherein the lower part of the bearing seat is connected with a hydraulic lifting mechanism.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910987390.9A CN110562403B (en) | 2019-10-17 | 2019-10-17 | Automatic salvage ship for river channel cleaning |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910987390.9A CN110562403B (en) | 2019-10-17 | 2019-10-17 | Automatic salvage ship for river channel cleaning |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110562403A CN110562403A (en) | 2019-12-13 |
CN110562403B true CN110562403B (en) | 2024-04-12 |
Family
ID=68785573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910987390.9A Active CN110562403B (en) | 2019-10-17 | 2019-10-17 | Automatic salvage ship for river channel cleaning |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110562403B (en) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2533059Y (en) * | 2002-02-09 | 2003-01-29 | 孙永祥 | Vessel for collecting floats from open water |
CN201040578Y (en) * | 2006-12-12 | 2008-03-26 | 冯波 | Floater salvage boat |
KR20170137402A (en) * | 2016-06-03 | 2017-12-13 | 박동열 | small vessel for cleaning ocean garbage |
JP2017226403A (en) * | 2016-06-21 | 2017-12-28 | 船山株式会社 | Water surface cleaning boat |
CN207120854U (en) * | 2017-07-14 | 2018-03-20 | 卢新水 | Floater cleaning boat |
CN108163153A (en) * | 2017-12-28 | 2018-06-15 | 五河县鹏润机械科技有限公司 | A kind of adjustable water float object pick-up boat of import |
CN108372910A (en) * | 2018-04-24 | 2018-08-07 | 黄明术 | A kind of river course clear up garbage cleaning device |
CN108725705A (en) * | 2018-06-04 | 2018-11-02 | 苏州世纪天成信息技术有限公司 | One kind handling ship based on unpiloted body eutrophication |
CN110144865A (en) * | 2019-05-27 | 2019-08-20 | 李召 | A kind of municipal administration river garbage marine salvage equipment |
CN210882539U (en) * | 2019-10-17 | 2020-06-30 | 刘小兵 | Automatic salvage ship for river channel cleaning |
-
2019
- 2019-10-17 CN CN201910987390.9A patent/CN110562403B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2533059Y (en) * | 2002-02-09 | 2003-01-29 | 孙永祥 | Vessel for collecting floats from open water |
CN201040578Y (en) * | 2006-12-12 | 2008-03-26 | 冯波 | Floater salvage boat |
KR20170137402A (en) * | 2016-06-03 | 2017-12-13 | 박동열 | small vessel for cleaning ocean garbage |
JP2017226403A (en) * | 2016-06-21 | 2017-12-28 | 船山株式会社 | Water surface cleaning boat |
CN207120854U (en) * | 2017-07-14 | 2018-03-20 | 卢新水 | Floater cleaning boat |
CN108163153A (en) * | 2017-12-28 | 2018-06-15 | 五河县鹏润机械科技有限公司 | A kind of adjustable water float object pick-up boat of import |
CN108372910A (en) * | 2018-04-24 | 2018-08-07 | 黄明术 | A kind of river course clear up garbage cleaning device |
CN108725705A (en) * | 2018-06-04 | 2018-11-02 | 苏州世纪天成信息技术有限公司 | One kind handling ship based on unpiloted body eutrophication |
CN110144865A (en) * | 2019-05-27 | 2019-08-20 | 李召 | A kind of municipal administration river garbage marine salvage equipment |
CN210882539U (en) * | 2019-10-17 | 2020-06-30 | 刘小兵 | Automatic salvage ship for river channel cleaning |
Also Published As
Publication number | Publication date |
---|---|
CN110562403A (en) | 2019-12-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110394294B (en) | Fishing goods dumping and sorting equipment for trawl or purse seiner and using method thereof | |
CN206128034U (en) | Automatic circulation removes algae device | |
CN210395294U (en) | Fishing and collecting device for river channel cleaning ship | |
CN205632943U (en) | River course floats automatic ship of clearing up of algae | |
CN110562403B (en) | Automatic salvage ship for river channel cleaning | |
CN210882539U (en) | Automatic salvage ship for river channel cleaning | |
CN209836968U (en) | Novel automatic clearance of efficient water conservancy sluice department water floater device | |
CN211498789U (en) | Fishing device for floating objects on water surface of river channel | |
CN210406699U (en) | Device is put in with seedling to aquaculture | |
CN113863256B (en) | Pool garbage cleaning device for environmental protection | |
CN212103975U (en) | Equipment is fished for to liquid surface floater | |
CN115039723A (en) | A fish blocking fence for water conservancy fishery | |
CN212787078U (en) | Novel aquaculture is with fishing device | |
CN204452853U (en) | Water rubbish clean-up vessel | |
CN207927598U (en) | A kind of fishing trapper | |
CN208762987U (en) | A kind of river corridor restoration operation ship | |
CN209722919U (en) | A kind of water conservancy and hydropower floating object cleaning device | |
CN208053584U (en) | A kind of duckweed pick-up boat | |
CN107687162A (en) | A kind of circulating floating object suspension salvages machine | |
CN210047604U (en) | Water surface floater fishing boat | |
CN212712796U (en) | Purification device for water environment ecological restoration | |
CN205180101U (en) | Solar energy oxygen -increasing machine is bred to steamed crab | |
CN210063312U (en) | Water surface floater fishing boat | |
CN110800675A (en) | Pearl mussel breeding device | |
CN213443002U (en) | Environment-friendly ship with garbage collection device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |