CN212738441U - Buoy-based marine observation system - Google Patents
Buoy-based marine observation system Download PDFInfo
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- CN212738441U CN212738441U CN202021787796.7U CN202021787796U CN212738441U CN 212738441 U CN212738441 U CN 212738441U CN 202021787796 U CN202021787796 U CN 202021787796U CN 212738441 U CN212738441 U CN 212738441U
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Abstract
The utility model provides a buoy base ocean observation system, including surface of water buoy, mooring line cable, water body observation node and seabed observation node, mooring line cable's both ends are connected respectively the surface of water buoy reaches seabed observation node, water body observation node sets up in the middle part of mooring line cable, the energy of surface of water buoy is through mooring line cable transmission to water body observation node and seabed observation node, water body observation node with the water body data of gathering and seabed observation node will gather seabed data through mooring line cable transmission to surface of water buoy, realize seabed, water, the real-time passback of ocean appearance survey data, the buoy base ocean observation system that this application provided can accomplish the multidisciplinary real-time observation of the three-dimensional space from seabed to the sea surface to specific observation region, and can combine the task demand to retrieve, maintain, and re-laying the new observation area.
Description
Technical Field
The utility model relates to an ocean is surveyd and monitoring field, in particular to buoy base ocean observation system.
Background
With the development of marine hydrological monitoring and submarine observation network technologies, the applications of marine observation buoys and submarine observation networks in marine observation and offshore observation are gradually increased. The existing buoy mainly observes the sea surface and is difficult to realize seabed observation; the planning and construction period of the seabed observation network is long, seabed observation is mainly used, and the operation, maintenance and cost are high.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a buoy-based marine observation system that has both sea surface observation and sea bottom observation.
A buoy-based ocean observation system comprises a water surface buoy, a mooring machine cable, a water body observation node and a seabed observation node, wherein two ends of the mooring machine cable are respectively connected with the water surface buoy and the seabed observation node, the water body observation node is arranged in the middle of the mooring machine cable, the energy of the water surface buoy is transmitted to the water body observation node and the seabed observation node through the mooring machine cable, and the water body observation node transmits collected water body data and collected seabed data to the water surface buoy through the mooring machine cable.
In some of these embodiments, the surface buoy comprises a buoy frame, a solar panel, a buoy, a storage battery, an electronics bay, a buoy watertight bay, a buoy load-bearing cradle, and a buoy end flange transition piece, the buoy frame, the buoy watertight bay, and the buoy end flange transition piece being secured to the buoy load-bearing cradle, the solar panel being secured to the buoy frame; the storage battery and the electronic cabin are installed inside the buoy watertight cabin, one side of the buoy end flange transition piece is fixed at the bottom of the floating body bearing support, and the other side of the buoy end flange transition piece is connected with the mooring machine cable.
In some of these embodiments, the solar panels may continuously provide renewable energy, the battery stores the energy, and the electronics compartment is signally connected to the exterior and to the moored machine cables by watertight bulkhead cables.
In some embodiments, the solar panels are 4 or 8, the storage battery is 24VDC, the buoy floating body is made of high polymer materials to provide reserve buoyancy, and the buoy frame is made of stainless steel materials and used for fixing the buoy frame, the buoy watertight compartment and the buoy end flange.
In some embodiments, the mooring cable includes two universal joints, an anchor chain flange, an anchor chain bearing head, an electromechanical transmission cable, a rubber outer sheath, a rubber inner sheath, a rubber outer sheath clamp, a rubber inner sheath clamp, a bearing nut, a pin shaft, and a mooring cable end flange transition piece, the universal joints are respectively located at a connection part of the mooring cable and the surface buoy and a connection part of the mooring cable and the seabed observation node, the universal joints are fixedly connected with the anchor chain flange, the anchor chain bearing head is fixedly connected with the anchor chain through the pin shaft, the anchor chain flange is fixed on the anchor chain bearing head through the bearing nut, the rubber inner sheath is wrapped outside the anchor chain and the anchor chain bearing head, and the rubber inner sheath is fixed on the anchor chain bearing head through the rubber inner sheath clamp, the rubber inner sheath is wound on the electromechanical transmission cable in a spiral line mode, the electromechanical transmission cable is coated with a rubber outer sheath, two ends of the rubber outer sheath are fixed on the anchor chain flange plate through the rubber outer sheath clamp, and the mooring force of the water surface buoy is transmitted to the anchor chain flange plate, the anchor chain bearing head and the anchor chain in sequence through the universal joint.
In some embodiments, the universal joint comprises two universal joint flanges, a universal joint cross and 4 universal joint sleeves, and 4 shaft shoulders of the cross are respectively fixed on shaft holes of the two universal joint flanges through the 4 universal joint sleeves.
In some embodiments, the water observation node includes a water observation support, a water observation electric control watertight cabin and an electric control watertight cabin support, the water observation electric control watertight cabin is fixed on the electric control watertight cabin support, the electric control watertight cabin support is fixedly connected with the water observation support, the mooring machine cable is fixed on the water observation support through a cable chain flange, the electromechanical transmission cable is connected with the water observation electric control watertight cabin through an underwater connector, an electronic device in the water observation electric control watertight cabin completes data acquisition/transmission and direct current voltage reduction of the water observation node, and the observation instrument is fixed on the water observation support and is connected with the water observation electric control watertight cabin through the underwater connector.
In some embodiments, the subsea observation node comprises a subsea support, a subsea pressure-resistant watertight compartment clamp, an anchor block, an acoustic releaser, a kevlar rope, and a rope reel, wherein:
the sea floor pressure-resistant watertight cabin clamp and the acoustic releaser are fixed on the sea floor support, the sea floor pressure-resistant watertight cabin is fixed on the sea floor pressure-resistant watertight cabin clamp, the anchor block is fixedly connected to the lower portion of the acoustic releaser, the Kevlar rope is wound on the rope reel frame, one end of each end of the Kevlar rope is fixed on the sea floor support, and the other end of each end of the Kevlar rope is fixed on the anchor block.
In some embodiments, the anchor block adopts a gravity anchor to realize the mooring of the water surface buoy; the anchor block is separated from the seabed observation node by the acoustic releaser, and the seabed observation node floats out of the water surface under the action of the reserve buoyancy of the seabed support after the anchor block is separated; the seabed support is formed by welding a plurality of sections of seamless high-strength aluminum pipes and is used for providing reserve buoyancy.
In some embodiments, a floating ball is further disposed on the mooring machine cable between the water observation node and the seabed observation node, the floating ball includes a floating ball floating body and a floating ball bearing frame, the floating ball floating body is fixed on the floating ball bearing frame, and two ends of the floating ball bearing frame are respectively connected with the mooring machine cable.
The utility model provides a buoy base ocean observation system, including surface of water buoy, mooring line cable, water body observation node and seabed observation node, the both ends of mooring line cable are connected respectively the surface of water buoy reaches seabed observation node, water body observation node sets up in the middle part of mooring line cable, the energy of surface of water buoy is through mooring line cable transmission to water body observation node and seabed observation node, water body observation node with the water body data of gathering and seabed observation node with the seabed data of gathering through mooring line cable transmission to the surface of water buoy, realize the real-time passback of seabed, water, ocean appearance survey data, the buoy base ocean observation system that this application provided can be directed against specific marine phenomenon and specific observation region, accomplish the real-time observation of the multidisciplinary in three-dimensional space from the seabed to the surface of the sea, the system can be recovered and maintained in combination with task requirements, and is re-distributed in a new observation area, so that the system is a transportable fixed ocean observation system, and the observation technology of the existing water surface buoy and seabed observation network is effectively supplemented.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a structural device of a buoy-based marine observation system according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a water surface buoy provided in the second embodiment of the present invention;
fig. 3a is a schematic structural diagram of a machine cable according to a third embodiment of the present invention;
fig. 3b is a schematic structural diagram of a universal joint according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a water observation node provided in the fourth embodiment of the present invention;
fig. 5a is a schematic structural diagram of a seabed observation node according to a fifth embodiment of the present invention;
fig. 5b is an enlarged schematic view of a partial structure of a seabed observation node according to the fifth embodiment of the present invention;
fig. 6 is a schematic structural view of a floating ball according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not 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 two or more unless specifically limited otherwise.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
Example one
Referring to fig. 1, a buoy-based marine observation system according to a first embodiment of the present invention includes: the system comprises a water surface buoy 1, a mooring machine cable 2, a water body observation node 3 and a seabed observation node 4, wherein two ends of the mooring machine cable 2 are respectively connected with the water surface buoy 1 and the seabed observation node 4, the water body observation node 3 is arranged in the middle of the mooring machine cable 2, the energy of the water surface buoy 1 is transmitted to the water body observation node 3 and the seabed observation node 4 through the mooring machine cable 2, and the water body observation node 3 transmits collected water body data and the seabed observation node 4 transmits collected seabed data to the water surface buoy through the mooring machine cable 2.
The buoy-based ocean observation system can complete multidisciplinary real-time observation of three-dimensional space from the sea bottom to the sea surface aiming at specific ocean phenomena and specific observation areas, can be recovered and maintained by combining task requirements, is newly distributed in a new observation area, can realize real-time return of measured data of the sea bottom, water body and ocean surface, is a migratable fixed ocean observation system, and effectively supplements the existing water surface buoy and ocean bottom observation network observation technologies.
Example two
Please refer to fig. 2, which is a schematic structural diagram of a water surface buoy according to an embodiment of the present invention, including: the buoy structure comprises a buoy frame 6, a solar panel 7, a buoy floater 8, a storage battery (not shown), an electronic cabin 9, a buoy watertight cabin 10, a floater bearing bracket 11 and a buoy end flange transition piece 12, wherein the buoy frame 6, the buoy watertight cabin 10 and the buoy end flange transition piece 12 are fixed on the floater bearing bracket 11, and the solar panel 7 is fixed on the buoy frame 6; the storage battery and electronic cabin 9 is arranged inside the buoy watertight cabin 10, one side of the buoy end flange transition piece 12 is fixed at the bottom of the floating body bearing support 11, and the other side of the buoy end flange transition piece is connected with the mooring machine cable 2.
It is understood that the solar panel 7, the storage battery and the electronic cabin 9 are the main components of data acquisition/transmission and energy supply of the surface buoy 1, the solar panel 7 can continuously provide renewable energy, and the storage battery stores the energy.
Furthermore, the water surface buoy 1 adopts a photovoltaic-storage battery combined power supply mode, renewable energy is continuously provided through the solar panel 7, and energy management, data management, voltage conversion and the like are performed through the storage battery and the electronic cabin 9.
Specifically, the storage battery and electronic cabin 9 is arranged inside the buoy watertight cabin 10 and is connected with an external instrument, a satellite communication module and a mooring machine cable 2 through watertight cabin penetrating cables; the solar panel 7 can be selected from 4 blocks, 8 blocks or more as required; the storage battery and the electronic cabin 9 can select 24VDC to supply power for the water surface buoy 1; the buoy floating body 8 adopts a high polymer material to provide reserve buoyancy; the buoy frame (6) is made of stainless steel materials and used for fixing an observation instrument, a communication instrument and a solar panel.
EXAMPLE III
Please refer to fig. 3a and fig. 3b, which are schematic structural diagrams of a mooring cable according to a third embodiment of the present invention, including: the mooring machine cable 2 comprises a universal joint 26, an anchor chain 16, an anchor chain flange 17, an anchor chain bearing head 18, an electromechanical transmission cable 19, a rubber outer sheath 20, a rubber inner sheath 21, a rubber outer sheath hoop 22, a rubber inner sheath hoop 23, a bearing nut 24, a pin shaft 25 and a mooring machine cable end flange transition piece 27. Wherein:
the universal joints 26 are two and are respectively positioned at the joint of the mooring cable 2 and the surface buoy 1 and the joint of the mooring cable 2 and the seabed observation node 4, the universal joints 26 are fixedly connected with the anchor chain flange 17, the anchor chain bearing head 18 is fixedly connected with the anchor chain 16 through a pin shaft 25, the anchor chain flange 17 is fixed on the anchor chain bearing head 18 through the bearing nut 24, the rubber inner sheath 21 is coated outside the anchor chain 16 and the anchor chain bearing head 18, the rubber inner sheath 21 is fixed on the anchor chain bearing head 18 through the rubber inner sheath 21 clamp, the rubber inner sheath 21 is wound on the electromechanical transmission cable 19 in a spiral line form outside the rubber inner sheath 20, two ends of the rubber outer sheath 20 are fixed on the anchor chain flange 17 through the rubber outer sheath 20 clamp, the mooring force of the water surface buoy 1 is transmitted to the anchor chain flange 17, the anchor chain bearing head 18 and the anchor chain 16 through the universal joint 26 in sequence.
It can be understood that the electromechanical transmission cable 19 is positioned outside the rubber inner sheath 21 and inside the rubber outer sheath 20, thereby avoiding the problems of abrasion and the like of the electromechanical transmission cable 19.
Furthermore, the universal joint 26 is used for connecting a buoy end flange transition piece 12 and a mooring machine cable end flange transition piece 27 of the water surface buoy 1, the mooring machine cable end flange transition piece 27 is connected with a mooring machine cable 2, the universal joint 26 is composed of two universal joint flange plates 13, a universal joint cross 14 and 4 universal joint shaft sleeves 15, a wiring hole of an electromechanical transmission cable 19 is formed in the middle of the universal joint cross 14, 4 shaft shoulders of the cross are respectively fixed on shaft holes of the two universal joint flange plates through the 4 universal joint shaft sleeves, through the structure, the cross 4 can be respectively provided with a 45-degree swing angle on two mutually vertical surfaces, and therefore flexible connection of the water surface buoy and the mooring machine cable can be achieved; the water surface buoy swings due to wave motion, and the influence of the swing can be offset through the reverse swing of the universal joint, so that the swing of a mooring machine cable is avoided, and the fatigue wear of the mooring machine cable is weakened.
Example four
Please refer to fig. 4, which is a schematic structural diagram of a water observation node according to the fourth embodiment of the present invention, including a water observation support 28, a water observation electric control watertight compartment 29 and an electric control watertight compartment support 30, wherein the water observation electric control watertight compartment 29 is fixed on the electric control watertight compartment support 28, the electric control watertight compartment support 30 is fixedly connected to the water observation support 28, the mooring cable 2 is fixed on the water observation support 28 through a chain flange 17, the electromechanical transmission cable 19 is connected to the water observation electric control watertight compartment 30 through an underwater connector, an electronic device in the water observation electric control watertight compartment 30 completes data acquisition/transmission and dc voltage reduction of the water observation node, and an observation instrument is fixed on the water observation support 28 and is connected to the water observation electric control watertight compartment 29 through an underwater connector.
EXAMPLE five
Please refer to fig. 5a and 5b, which are schematic structural diagrams of a seafloor observation node according to a fifth embodiment of the present invention, including: the device comprises a seabed bracket 31, a seabed pressure-resistant watertight cabin 32, a seabed pressure-resistant watertight cabin clamp 33, an anchor block 34, an acoustic releaser 35, a Kevlar 36 and a rope reel frame 37. Wherein:
the sea floor pressure-resistant watertight compartment clamp 33 and the acoustic releaser 35 are fixed on the sea floor support 31, the sea floor pressure-resistant watertight compartment 32 is fixed on the sea floor pressure-resistant watertight compartment clamp 33, the anchor block 34 is fixedly connected to the lower portion of the sea floor acoustic releaser 35, the kevlar rope 36 is wound on the rope reel frame 37, one end of the two ends of the kevlar rope 36 is fixed on the sea floor support 31, and the other end of the kevlar rope is fixed on the anchor block 34.
It can be understood that the electromechanical transmission cable 19 is connected with the seabed pressure-resistant watertight cabin (32) through an underwater connector, and electronic devices in the seabed pressure-resistant watertight cabin 32 complete data acquisition/transmission, direct current voltage reduction and the like of the seabed observation node 4, and the electromechanical transmission cable is an electric control terminal of the seabed observation node 4.
Furthermore, the anchor block 34 adopts a gravity anchor, so that the mooring of the water surface buoy 1 is realized; the anchor blocks 34 are separated from the submarine observation nodes 4 through the acoustic releasers 35, and after the anchor blocks 34 are separated, the submarine observation nodes 4 float out of the water surface under the action of the reserve buoyancy of the submarine supports 31; the seabed support 31 is formed by welding a plurality of sections of seamless high-strength aluminum pipes and is used for providing reserve buoyancy; the Kevlar rope 36 is released from the rope reel frame 37, and when in recovery, the seabed support 31 is recovered to the deck, then the Kevlar rope 36 is pulled by a marine winch, the anchor block 34 is pulled out of the water surface, and is lifted to the deck; in this manner, anchor block 34 may be reused, saving cost.
EXAMPLE six
Referring to fig. 6, a schematic diagram of a floating ball according to an embodiment of the present invention is shown.
The floating ball 5 comprises a floating ball floating body 38 and a floating ball bearing frame 39. The floating ball float 38 is fixed on the floating ball bearing frame 39. Two ends of the floating ball bearing frame 39 are respectively connected with the mooring machine cable 2. The size of the floating ball 5 can be designed according to specific needs, so that on one hand, enough reserve buoyancy is provided for the system, and the submarine observation node 4 can be ensured to float out of the water surface when the anchor block 34 is released; on the other hand, as an intermediate member, it is convenient to connect and install the multi-stage mooring cable 2.
The buoy-based ocean observation system can complete multidisciplinary real-time observation of three-dimensional space from the sea bottom to the sea surface aiming at specific ocean phenomena and specific observation areas, can be recovered and maintained by combining task requirements, is newly distributed in a new observation area, can realize real-time return of measured data of the sea bottom, water body and ocean surface, is a migratable fixed ocean observation system, and effectively supplements the existing water surface buoy and ocean bottom observation network observation technologies.
The foregoing is only a preferred embodiment of the present invention, and the technical principles of the present invention have been specifically described, and the description is only for the purpose of explaining the principles of the present invention, and should not be construed as limiting the scope of the present invention in any way. Any modifications, equivalents and improvements made within the spirit and principles of the invention and other embodiments of the invention without the creative effort of those skilled in the art are intended to be included within the protection scope of the invention.
Claims (10)
1. A buoy-based ocean observation system is characterized by comprising a water surface buoy, a mooring machine cable, a water body observation node and a seabed observation node, wherein two ends of the mooring machine cable are respectively connected with the water surface buoy and the seabed observation node, the water body observation node is arranged in the middle of the mooring machine cable, the energy of the water surface buoy is transmitted to the water body observation node and the seabed observation node through the mooring machine cable, and the water body observation node transmits collected water body data and collected seabed data to the water surface buoy through the mooring machine cable.
2. The buoy-based marine observation system of claim 1 wherein the surface buoy comprises a buoy frame, a solar panel, a buoy float, a storage battery, an electronic compartment, a buoy watertight compartment, a buoy load-bearing support, and a buoy end flange transition piece, the buoy frame, the buoy watertight compartment, and the buoy end flange transition piece are fixed to the buoy load-bearing support, and the solar panel is fixed to the buoy frame; the storage battery and the electronic cabin are installed inside the buoy watertight cabin, one side of the buoy end flange transition piece is fixed at the bottom of the floating body bearing support, and the other side of the buoy end flange transition piece is connected with the mooring machine cable.
3. The buoy-based marine observation system of claim 2 wherein the solar panels can provide renewable energy continuously, the storage battery stores the energy, and the electronics bay is in signal communication with the exterior and the moored machine cable via watertight bulkhead cables.
4. The buoy-based marine observation system of claim 3 wherein the solar panels are selected to be 4 or 8, the storage battery is selected to be 24VDC, the buoy body is made of a high polymer material to provide reserve buoyancy, and the buoy frame is made of a stainless steel material and used for fixing the buoy frame, the buoy watertight compartment and the buoy end flange.
5. The buoy-based marine observation system of claim 4 wherein the mooring line cable comprises two universal joints, an anchor chain flange, an anchor chain bearing head, an electromechanical transmission line, an outer rubber sheath, an inner rubber sheath, an outer rubber sheath clamp, an inner rubber sheath clamp, a bearing nut, a pin and a mooring line cable end flange transition piece, the universal joints are respectively located at the connection of the mooring line cable and the surface buoy and the connection of the mooring line cable and the subsea observation node, the universal joints are fixedly connected with the anchor chain flange, the anchor chain bearing head is fixedly connected with the anchor chain through the pin, the anchor chain flange is fixed on the anchor chain bearing head through the bearing nut, the rubber inner sheath is wrapped on the exterior of the anchor chain and the anchor chain bearing head, and the inner rubber sheath is fixed on the anchor chain bearing head through the rubber sheath clamp, the rubber inner sheath is wound on the electromechanical transmission cable in a spiral line mode, the electromechanical transmission cable is coated with a rubber outer sheath, two ends of the rubber outer sheath are fixed on the anchor chain flange plate through the rubber outer sheath clamp, and the mooring force of the water surface buoy is transmitted to the anchor chain flange plate, the anchor chain bearing head and the anchor chain in sequence through the universal joint.
6. The buoy-based marine observation system of claim 5 wherein the universal joint comprises two universal joint flanges, a universal joint cross and 4 universal joint sleeves, and wherein 4 shoulders of the cross are respectively fixed to the shaft holes of the two universal joint flanges through the 4 universal joint sleeves.
7. The buoy-based marine observation system of claim 6, wherein the water observation node comprises a water observation support, a water observation electric control watertight compartment and an electric control watertight compartment support, the water observation electric control watertight compartment is fixed on the electric control watertight compartment support, the electric control watertight compartment support is fixedly connected with the water observation support, the mooring machine cable is fixed on the water observation support through a chain flange, the electromechanical transmission cable is connected with the water observation electric control watertight compartment through an underwater connector, an electronic device in the water observation electric control watertight compartment completes data acquisition/transmission and direct current voltage reduction of the water observation node, and an observation instrument is fixed on the water observation support and is connected with the water observation electric control watertight compartment through the underwater connector.
8. The buoy-based marine observation system of claim 7 wherein the subsea observation node comprises a subsea rack, a subsea pressure tight watertight compartment clamp, an anchor block, an acoustic releaser, a Kevlar rope and a rope reel, wherein:
the sea floor pressure-resistant watertight cabin clamp and the acoustic releaser are fixed on the sea floor support, the sea floor pressure-resistant watertight cabin is fixed on the sea floor pressure-resistant watertight cabin clamp, the anchor block is fixedly connected to the lower portion of the acoustic releaser, the Kevlar rope is wound on the rope reel frame, one end of each end of the Kevlar rope is fixed on the sea floor support, and the other end of each end of the Kevlar rope is fixed on the anchor block.
9. The buoy-based marine observation system of claim 8 wherein the anchor blocks are gravity anchors to allow mooring of the surface buoy; the anchor block is separated from the seabed observation node by the acoustic releaser, and the seabed observation node floats out of the water surface under the action of the reserve buoyancy of the seabed support after the anchor block is separated; the seabed support is formed by welding a plurality of sections of seamless high-strength aluminum pipes and is used for providing reserve buoyancy.
10. The buoy-based marine observation system of claim 9, wherein a floating ball is further disposed on the mooring machine cable between the water observation node and the seabed observation node, the floating ball comprises a floating ball floating body and a floating ball bearing frame, the floating ball floating body is fixed on the floating ball bearing frame, and two ends of the floating ball bearing frame are respectively connected with the mooring machine cable.
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| CN202021787796.7U CN212738441U (en) | 2020-08-25 | 2020-08-25 | Buoy-based marine observation system |
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| CN202021787796.7U CN212738441U (en) | 2020-08-25 | 2020-08-25 | Buoy-based marine observation system |
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