CN113715965A - Prevent winding streamlined buoy of floater - Google Patents
Prevent winding streamlined buoy of floater Download PDFInfo
- Publication number
- CN113715965A CN113715965A CN202111055106.8A CN202111055106A CN113715965A CN 113715965 A CN113715965 A CN 113715965A CN 202111055106 A CN202111055106 A CN 202111055106A CN 113715965 A CN113715965 A CN 113715965A
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- China
- Prior art keywords
- cabin
- buoy
- anchor
- sinking
- stone
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B22/00—Buoys
- B63B22/04—Fixations or other anchoring arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/04—Fastening or guiding equipment for chains, ropes, hawsers, or the like
- B63B21/06—Bollards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/04—Fastening or guiding equipment for chains, ropes, hawsers, or the like
- B63B21/10—Fairleads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B22/00—Buoys
- B63B22/16—Buoys specially adapted for marking a navigational route
- B63B22/166—Buoys specially adapted for marking a navigational route comprising a light
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Power Engineering (AREA)
- Tents Or Canopies (AREA)
Abstract
The invention relates to the technical field of navigation mark structures, in particular to a streamline buoy for preventing a floating object from winding. The anchor cable comprises a body, wherein the body is of a water drop type streamline structure, is provided with an anchor holding structure with a cable, and is positioned at the top of the body and used for mounting an anchor chain and a sinking stone; the mark body structure is positioned at the top of the body and used for installing a mark body; the upper end of the anchor chain is connected with the cable-laying anchor structure, and the lower end of the anchor chain penetrates through the body to be connected with the sinking stone. The ship-shaped navigation mark has a simple structure, is extremely convenient to install and arrange, can be applied to various navigation channels, solves the problem that the traditional ship-shaped navigation mark is easily wound by water surface floaters, and has great popularization value.
Description
Technical Field
The invention relates to the technical field of navigation mark structures, in particular to a streamline buoy for preventing a floating object from winding.
Background
The navigation mark is generally divided into a shore mark and a buoy according to a setting position. Buoys are classified into boat buoys (also called "marker boats") and drum buoys (also called "buoys"). The ship-shaped buoy floater is streamline and is suitable for being arranged on a runoff channel, and the ship body can occupy less channel along the water flow direction due to the flow guiding function of the ship-shaped buoy floater; the drum-shaped buoy floater is cylindrical, is suitable for being arranged on a wider tidal river reach and a sea area channel and is suitable for flowing to a reciprocating river reach.
In the period of steep water rise or high flood level in flood season, a lot of floaters such as waterweeds, floating woods, plastic bags, reeds and the like are arranged on the river surface and sometimes piled into pieces, and the buoy anchor cable is often wound under the action of water flow, so that the overwater buoy is sunk or lost. In order to ensure the normal floating buoy, the entanglement needs to be removed in time. According to two types of buoy structure types, the anchoring facilities are different: the anchor type of the marker ship is mainly at the bow of the ship, and the anchor type of the floating drum is mainly at the bottom of the drum, so the blocking degree of the marker ship to the floating objects on the water surface is different. The steel wire rope of the marker boat is arranged in front of the marker boat, so that the floater on the water surface can be easily hung. The floating drum anchor chain is tied below the floating drum and is generally more than 1 m below a waterline, a water surface scum layer is avoided, and meanwhile, the cylindrical floating body of the floating drum is also favorable for weed circumambulation.
For a long time, the channel management department adopts a manual mode to clear floating objects hung and wound on the anchor cable of the water buoy, the clearing tools mainly comprise an iron hook, a chopper and a high branch chain saw or directly use hands, the clearing efficiency is low, the labor intensity is very high, and the life safety of operating personnel is seriously threatened. However, if the floating drum type buoy is simply introduced to a runoff river section with a narrow channel and rapid water flow, the gyration radius of the floating drum greatly occupies the limited channel width, and the maintenance mode of hoisting the ship-borne buoy is not suitable for the mode of dragging the ship-shaped buoy by a navigation mark working ship of the runoff river section.
Disclosure of Invention
The invention aims to solve the defects of the background technology and provide a streamline buoy for preventing floating objects from winding.
The technical scheme of the invention is as follows: the utility model provides an anti-floating object winding streamline buoy which characterized in that: comprises a body, the body is of a water drop type streamline structure and is provided with a water drop type streamline structure,
the mooring structure is positioned at the top of the body and used for mounting an anchor chain and sinking stones;
the mark body structure is positioned at the top of the body and used for installing a mark body;
the upper end of the anchor chain is connected with the cable-laying anchor structure, and the lower end of the anchor chain penetrates through the body to be connected with the sinking stone.
The body further comprises a center cabin, a fore cabin and a stern cabin; the central cabin is a cylindrical hollow cabin body structure filled with foaming materials; the bow and stern cabins are hollow cabin structures, and the bow and stern cabins are respectively arranged at the front end and the rear end of the central cabin to form a water drop type streamline structure with the central cabin.
Further, an anchor system cabin for an anchor chain and a sinking stone to pass through is arranged in the bow cabin; the anchor system cabin is of a horn-shaped structure with openings at the upper end and the lower end, and the upper end is small and the lower end is large; the mooring structure is positioned at an opening at the upper end of the mooring cabin.
The cable-containing anchor placing structure further comprises a sinking stone placing frame which is arranged at an opening at the upper end of the anchor system cabin and used for placing sinking stones; and a cable stranding device for retracting and releasing the anchor chain is arranged on the stone-depositing placement frame.
A plurality of groups of mooring bollards are arranged at the top of the bow cabin; the mooring bollards are uniformly distributed around the stone-sinking rest by taking the stone-sinking rest as the center.
A plurality of cable guide grooves are further formed in the inner wall of the anchoring cabin; the cable guide groove is a U-shaped groove which is arranged along the vertical direction and used for guiding the anchor chain.
The target body structure is further arranged at the top of the central cabin and comprises an upright post arranged at the top of the central cabin; the upright post is provided with a target body observation plate and a supporting framework.
Furthermore, a navigation light device is arranged at the top end of the upright post.
And a battery box and a solar panel support frame for supporting a solar panel are arranged at the top of the stern cabin.
And furthermore, at least one hanging ring convenient to hoist is arranged at the top of the central cabin.
The invention has the advantages that: 1. the buoy is designed into a water-drop streamline structure, the anchor holding structure with the cable is arranged on the buoy body, the anchor chain and the sinking stone which penetrate through the buoy body are controlled, the upper end of the anchor chain is positioned on the buoy body and directly enters water after penetrating through the buoy body, and cannot be wound by floaters on the water surface, the advantages of the ship-shaped buoy and the floating drum type buoy are combined, the problem that the floaters of the existing ship-shaped buoy are wound is solved, the turning radius of the water-drop buoy structure is small, the buoy is suitable for various channel watersheds, and the application range is wide;
2. the buoy body of the invention is composed of three cabin bodies, forms a water drop type streamline buoy body structure, can be suitable for various navigation channel drainage basins, has the structural advantages of a ship-shaped buoy, and is simple to install and convenient to operate;
3. according to the invention, the anchor system cabin is arranged in the bow cabin, the anchor system cabin is of a horn-shaped structure, so that an anchor chain and sinking stones can conveniently pass through the anchor system cabin, and the anchor system cabin can isolate floating objects on the water surface, so that the floating objects are prevented from being wound on the anchor chain;
4. according to the invention, the sinking stone placing frame and the cable stranding device are arranged on the fore bay, the anchor chain can be conveniently adjusted through the cable stranding device, and the sinking stone placing frame can be used for placing and storing sinking stones;
5. according to the invention, the mooring bollards are arranged around the stone-sinking rest, the anchor chain is wound by the mooring bollards, the structure is simple, the installation is convenient, and different anchor chain position control is realized by different mooring bollards;
6. according to the invention, the inner wall of the anchor system cabin is provided with the plurality of cable guide grooves, and the cable guide grooves are used for guiding the anchor chain, so that the anchor chain is prevented from shaking on the inner wall of the anchor system cabin, and the problem of anchor chain damage caused by the friction of the anchor chain on the inner wall is avoided;
7. the stand column is arranged on the body to serve as a supporting structure, and the stand column is used for installing the supporting framework and the target body roof boarding to form the target body structure, so that the structure is simple and the installation is convenient;
8. the invention is provided with a navigation mark lamp at the top end of a column, and a battery box and a solar panel are arranged on a stern room for supplying power to provide electric energy for the navigation mark lamp;
9. the hanging ring is arranged on the body, so that the lifting is convenient.
The ship-shaped navigation mark has a simple structure, is extremely convenient to install and arrange, can be applied to various navigation channels, solves the problem that the traditional ship-shaped navigation mark is easily wound by water surface floaters, and has great popularization value.
Drawings
FIG. 1: the main view of the buoy of the invention;
FIG. 2: a side view of the buoy of the present invention;
FIG. 3: the invention is a schematic diagram of a central cabin structure;
FIG. 4: a top view of the float of the present invention;
wherein: 1-a central compartment; 2-a bow cabin; 3-stern compartment; 4-anchor chain; 5, stone precipitation; 6-an anchoring cabin; 7-stone depositing shelf; 8-a cable stranding machine; 9-bollard; 10-a cable guide groove; 11-upright post; 12-object inspection plate; 13-a support skeleton; 14-beacon light; 15-battery box; 16-a solar panel support frame; 17-hanging ring.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1 to 4, the present embodiment relates to a streamline buoy for preventing winding of a floating object, which includes a body, the body of the present embodiment includes a center tank 1, a bow tank 2 and a stern tank 3, the center tank 1 is a cylindrical hollow tank structure filled with a foam material, the bow tank 2 and the stern tank 3 are hollow tank structures, and the bow tank 2 and the stern tank 3 are respectively arranged at the front end and the rear end of the center tank 1 to form a water drop type streamline structure with the center tank 1. The top of the center cabin 1 is provided with a mark body structure, the top of the fore cabin 2 is provided with a cable anchor holding structure, and the top of the stern cabin 3 is provided with a solar power supply structure. The entire deck is provided with bollards 9.
As shown in fig. 1 to 3, an independent truncated cone-shaped anchor system cabin 6 is arranged in the bow cabin 2, the anchor system cabin 6 is a horn-shaped structure with openings at the upper end and the lower end, the upper end is small, and the lower end is large, and a watertight partition is arranged between the anchor system cabin 6 and the bow cabin 2. The mooring structure is positioned at the opening at the upper end of the mooring cabin 6, so that the anchor chain 4 and the sinking stone 5 can be conveniently lifted to the cabin surface or thrown underwater. The cable-carrying anchor placing structure comprises a sinking stone placing frame 7 which is arranged at an opening at the upper end of the anchor system cabin 6 and used for storing the sinking stone 5, the sinking stone placing frame 7 is of a portal structure and is positioned at an opening at the upper end of the anchor system cabin 6, and a cable stranding device 8 used for winding and unwinding the anchor chain 4 is arranged on the sinking stone placing frame 7. The cable winch 8 is used for retracting the anchor chain 4 and adjusting the length and the position of the anchor chain 4. When anchor mooring is needed, the mooring winch 8 recovers the anchor chain 4, lifts the sinking stone 5 to pass through the anchor system cabin 6 until the sinking stone 5 is lifted to the sinking stone placing frame 7, and then the recovery of the sinking stone 5 is completed.
In the embodiment, 3 mooring bollards 9 are arranged on the cabin surface of the body, and the mooring bollards 9 are distributed at the front, the rear and the stern parts of the sinking stone shelf 7. The mooring bollard 9 is arranged at the front end of the stone-sinking rest 7 and is mainly used for fixing the anchor chain 4; the anchor chain 4 can also be tied to a mooring bollard 9 at the rear end of the stone-sinking rest 7; after the positions of the sinking stones 5 and the anchor chains 4 are adjusted, winding the anchor chains 4 penetrating through the anchor mooring cabins 6 on the corresponding mooring bollards 9 according to the required positions; when the anchor chain 4 and the sinking stone 5 need to be retracted and adjusted, the anchor chain 4 is wound on the cable stranding device 8, and the anchor chain 4 is retracted and extended through the cable stranding device 8, so that the purpose of adjustment is achieved. When the turning radius of the body needs to be controlled, a stern anchor system needs to be additionally arranged and tied on a cable tie pile 9 at the stern part. Additionally, the bollards 9 arranged at the front end and the stern of the sinking stone shelf 7 are also used for connecting with the navigation mark operation ship when being towed.
The inner wall of the anchor mooring cabin 6 is provided with a plurality of cable guide grooves 10, the cable guide grooves 10 correspond to the mooring bollards 9 one by one and are just positioned right below the mooring bollards 9, and the cable guide grooves 10 are U-shaped grooves which are arranged in the vertical direction and used for guiding the anchor chains 4. After the anchor chain 4 is placed down, the anchor chain 4 is placed in the corresponding cable guide groove 10, the cable guide groove 10 can limit the shaking of the anchor chain 4, and the friction of the anchor chain 4 on the inner wall of the anchor mooring cabin 6 is avoided.
As shown in fig. 1-3, the target structure of the embodiment is arranged at the top of the central cabin 1, the target structure comprises a stand column 11 arranged at the top of the central cabin 1, the stand column 11 and the central cabin 1 are coaxially arranged, a target roof boarding 12 is arranged on the stand column 11, and a support framework 13 is arranged in the stand column 11. The top end of the upright post 11 is provided with a navigation light device 14, and the lower end of the upright post is provided with an equipment cabin with the same width, so that the equipment cabin can be used for storing equipment. The column 12 of this embodiment is a hollow structure, the interior is filled with foam material, the target roof boarding 14 is a plate-shaped structure made of the same material or high molecular weight material, and the overall appearance formed by the target roof boarding 14 conforms to the cone-shaped or pot-shaped target appearance, color and size specified by the standard.
As shown in fig. 2-4, the top of the stern 3 is provided with a battery box 15 and a solar panel support frame 16 for supporting the solar panel, the solar panel is arranged on the solar panel support frame 16, the battery in the battery box 15 is powered by the solar panel, the battery box in the battery box 15 supplies power to the beacon light 14 and the cable stranding device 8, and the beacon light 14 guides ships in a foggy day or under the condition that light rays are not clear at night.
The central cabin 1 of the present embodiment is a steel shell structure, the central cabin 1 is filled with a foam material, and at least one hanging ring 17 convenient for hoisting is arranged at the top of the central cabin 1, as shown in fig. 4.
The body housing of this embodiment may be made of UHMW-PE material, or may be made of other materials, as long as the functions described in this embodiment can be achieved. The surface of the body adopts polyurea spraying coating.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an anti-floating object winding streamline buoy which characterized in that: comprises a body, the body is of a water drop type streamline structure and is provided with a water drop type streamline structure,
the mooring structure is positioned at the top of the body and is used for mounting an anchor chain (4) and a sinking stone (5);
the mark body structure is positioned at the top of the body and used for installing a mark body;
the upper end of the anchor chain (4) is connected with the mooring cable anchor placing structure, and the lower end of the anchor chain penetrates through the body to be connected with the sinking stone (5).
2. The streamlined buoy for preventing entanglement of floats as claimed in claim 1, wherein: the body comprises a central cabin (1), a bow cabin (2) and a stern cabin (3); the central cabin (1) is a cylindrical hollow cabin body structure filled with foaming materials; the bow cabin (2) and the stern cabin (3) are of hollow cabin structures, and the bow cabin (2) and the stern cabin (3) are respectively arranged at the front end and the rear end of the central cabin (1) to form a water-drop streamline structure with the central cabin (1).
3. The streamlined buoy for preventing entanglement of floats as claimed in claim 2, wherein: an anchor system cabin (6) for the anchor chain (4) and the sinking stone (5) to pass through is arranged in the bow cabin (2); the anchor system cabin (6) is of a horn-shaped structure with openings at the upper end and the lower end and small upper part and large lower part; the mooring structure is positioned at an opening at the upper end of the mooring cabin (6).
4. The streamlined buoy for preventing entanglement of floats of claim 3, wherein: the cable-containing anchor placing structure comprises a sinking stone placing frame (7) which is arranged at an opening at the upper end of the anchor system cabin (6) and used for placing the sinking stone (5); and a cable stranding device (8) for collecting and releasing the anchor chain (4) is arranged on the stone-sinking rest (7).
5. The streamline buoy for preventing the floater from winding as claimed in claim 4, wherein: a plurality of groups of mooring bollards (9) are arranged at the top of the bow cabin (2); the mooring bollards (9) are uniformly distributed around the stone-sinking rest (7) by taking the stone-sinking rest (7) as the center.
6. The streamline buoy for preventing the winding of the floater as claimed in any one of claims 2 to 5, wherein: a plurality of cable guide grooves (10) are formed in the inner wall of the anchoring cabin (6); the cable guide groove (10) is a U-shaped groove which is arranged along the vertical direction and used for guiding the anchor chain (4).
7. The streamlined buoy for preventing entanglement of floats as claimed in claim 2, wherein: the target body structure is arranged at the top of the central cabin (1), and comprises an upright post (11) arranged at the top of the central cabin (1); a mark body telescope plate (12) is arranged on the upright post (11), and a supporting framework (13) is arranged in the upright post (11).
8. The float entanglement prevention streamline buoy of claim 7, wherein: and a navigation light device (14) is arranged at the top end of the upright post (11).
9. The float entanglement prevention streamline buoy of claim 8, wherein: the top of the stern compartment (3) is provided with a battery box (15) and a solar panel support frame (16) for supporting a solar panel.
10. The streamlined buoy for preventing entanglement of floats as claimed in claim 2, wherein: the top of the central cabin (1) is provided with at least one lifting ring (17) convenient to lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111055106.8A CN113715965A (en) | 2021-09-09 | 2021-09-09 | Prevent winding streamlined buoy of floater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111055106.8A CN113715965A (en) | 2021-09-09 | 2021-09-09 | Prevent winding streamlined buoy of floater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113715965A true CN113715965A (en) | 2021-11-30 |
Family
ID=78682928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111055106.8A Pending CN113715965A (en) | 2021-09-09 | 2021-09-09 | Prevent winding streamlined buoy of floater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113715965A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU839837A1 (en) * | 1979-01-05 | 1981-06-23 | Предприятие П/Я Р-6109 | Buoy |
| CN102874382A (en) * | 2012-10-17 | 2013-01-16 | 中国船舶重工集团公司第七一○研究所 | Horizontal mooring marine environmental noise vector field monitoring subsurface buoy platform |
| CN103482027A (en) * | 2013-08-22 | 2014-01-01 | 常熟中德重机有限公司 | Combined buoy |
| CN206374932U (en) * | 2017-01-04 | 2017-08-04 | 中山奇创环境科技有限公司 | A kind of antiwind structure of buoy float anchor chain |
| CN206813256U (en) * | 2016-11-03 | 2017-12-29 | 中交烟台环保疏浚有限公司 | Windproof drum for Grab |
| CN207644576U (en) * | 2017-09-07 | 2018-07-24 | 长江武汉航道局 | A kind of channel marking ship of anti-floating material winding |
| CN109421898A (en) * | 2017-08-21 | 2019-03-05 | 中国科学院广州能源研究所 | A kind of wave energy and solar energy composite are powered navigation mark |
-
2021
- 2021-09-09 CN CN202111055106.8A patent/CN113715965A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU839837A1 (en) * | 1979-01-05 | 1981-06-23 | Предприятие П/Я Р-6109 | Buoy |
| CN102874382A (en) * | 2012-10-17 | 2013-01-16 | 中国船舶重工集团公司第七一○研究所 | Horizontal mooring marine environmental noise vector field monitoring subsurface buoy platform |
| CN103482027A (en) * | 2013-08-22 | 2014-01-01 | 常熟中德重机有限公司 | Combined buoy |
| CN206813256U (en) * | 2016-11-03 | 2017-12-29 | 中交烟台环保疏浚有限公司 | Windproof drum for Grab |
| CN206374932U (en) * | 2017-01-04 | 2017-08-04 | 中山奇创环境科技有限公司 | A kind of antiwind structure of buoy float anchor chain |
| CN109421898A (en) * | 2017-08-21 | 2019-03-05 | 中国科学院广州能源研究所 | A kind of wave energy and solar energy composite are powered navigation mark |
| CN207644576U (en) * | 2017-09-07 | 2018-07-24 | 长江武汉航道局 | A kind of channel marking ship of anti-floating material winding |
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Application publication date: 20211130 |
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| RJ01 | Rejection of invention patent application after publication |