CN116907568A - Device and method for monitoring anchor chain tension of floating fan mooring system - Google Patents
Device and method for monitoring anchor chain tension of floating fan mooring system Download PDFInfo
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- CN116907568A CN116907568A CN202310572281.7A CN202310572281A CN116907568A CN 116907568 A CN116907568 A CN 116907568A CN 202310572281 A CN202310572281 A CN 202310572281A CN 116907568 A CN116907568 A CN 116907568A
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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
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/20—Adaptations of chains, ropes, hawsers, or the like, or of parts thereof
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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
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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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
- B63B21/20—Adaptations of chains, ropes, hawsers, or the like, or of parts thereof
- B63B2021/203—Mooring cables or ropes, hawsers, or the like; Adaptations thereof
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- Combustion & Propulsion (AREA)
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- General Physics & Mathematics (AREA)
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Abstract
The invention relates to a device and a method for monitoring anchor chain tension of a floating type fan mooring system, and belongs to the technical field of floating type ocean engineering structures. The problems of large direct measurement error and high underwater measurement cost in the prior art are solved. The intelligent control room comprises an inclinometer, a signal acquisition communication board, a signal processor, a central control room host, a display and a strain sensor, wherein the strain sensor and the inclinometer are electrically connected with the signal acquisition communication board, and the signal acquisition communication board, the signal processor, the central control room host and the display are electrically connected in sequence. The invention has simple structure, convenient installation and use and easy maintenance, can carry out integral replacement if faults occur, saves cost, realizes the comprehensive monitoring of the tension and the inclination angle movement change of the anchor chain, and has small error.
Description
Technical Field
The invention relates to a device and a method for monitoring anchor chain tension, belonging to the technical field of floating ocean engineering structures.
Background
In recent years, the floating type fan technology plays an increasingly important role in the development and utilization of new energy sources at sea, and a mooring anchor chain is used as an indispensable equipment facility of the floating type fan platform, is connected with the floating type fan platform and is used for transmitting and buffering external force born by the floating type fan platform, so that the reliability and the safety of work of the floating type fan platform are of great significance to the normal operation of the floating type fan platform. Because the mooring system is immersed in the seawater for a long time, the risk of seawater corrosion is faced, the mooring system is continuously subjected to various environmental loads such as wind and wave currents, and the like, in the actual operation of the mooring system in the floating type fan platform, the mooring anchor chain is easy to have the condition of abnormal tension, and once the mooring anchor chain is stressed and overloaded and broken, the mooring anchor chain can cause great potential threat to the production safety of the floating type fan platform. Therefore, the monitoring and the reliability assessment of the mooring chain tension of the floating fan platform have strategic significance.
The following problems exist in the prior art:
1. the existing method for monitoring the mooring anchor chain is characterized in that the mooring monitoring is directly measured through the top end of a floating fan platform, namely, a pin roll sensor is arranged at the top end of the floating fan platform to directly measure the tension of the mooring anchor chain, and the method has larger error;
2. the existing method for monitoring the mooring anchor chain utilizes a developed special sensor to carry out structural measurement on a floating fan platform mooring system through underwater measurement, but an auxiliary clamp is required to be installed, and has high requirements on installation accuracy and high cost.
Accordingly, there is a need for an apparatus and method for monitoring the chain tension of a floating wind turbine mooring system that solves the above-mentioned problems.
Disclosure of Invention
The present invention addresses the shortcomings of the four rotor Mars aircraft described above by providing an apparatus and method for monitoring the chain tension of a floating wind turbine mooring system, a brief overview of which is provided hereinafter in order to provide a basic understanding of certain aspects of the invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to identify key or critical elements of the invention or to delineate the scope of the invention.
The technical scheme of the invention is as follows:
the utility model provides a device for monitoring floating fan mooring system anchor chain tension, includes inclinometer, signal acquisition communication board, signal processor, central control room host computer, display instrument and strain sensor, inclinometer and signal acquisition communication board electric connection, signal acquisition communication board, signal processor, central control room host computer, display instrument electric connection in order.
Preferably: the chain stopper is fixedly connected with the platform, a pulley of the tensioner presses the chain stopper, a strain sensor is arranged near the tensioner, an inclinometer is arranged below the tensioner, the inclinometer is connected with the chain stopper, and a pontoon is arranged at the lower part of the platform.
Preferably: three tensioners are arranged on the edge circumferential array of the platform, each tensioner is correspondingly connected with an anchor chain, the anchor chains are steel suspension chains, and three signal acquisition communication plates are connected with the platform.
Preferably: the inclinometer is mounted on the anchor chain, and the inclinometer adopts a MEMS double-shaft inclination sensor of 0.030.
Preferably: the tensioner adopts seawater corrosion resistant material, and the cable adopts special boats and ships cable, avoids passing through the unsafe region of floating fan platform when installation is arranged, in order to avoid the corruption and the trouble of electronic component, the aviation of waterproof grade IP67 is inserted to the socket, and inclinometer, strain transducer peripheral hardware watertight pressure-bearing protective housing.
A method for monitoring the chain tension of a floating wind turbine mooring system comprising the steps of:
step one: establishing a tensioner and base local finite element analysis model;
step two: constructing a measuring point response matrix based on the finite element simulation result;
step three: calculating the pressure at the contact position of the anchor chain and the tensioner pulley;
step four: the inclination angle change of the anchor chain at the lower part of the tensioner is monitored in real time through an inclinometer, and the real-time change condition of the inclination angle alpha is obtained;
step five: and calculating the tension of the anchor chain.
Preferably: step one, a tensioner, a base and an anchor chain model are established, a unit pressure load P is applied at the contact position of a pulley of the tensioner and the anchor chain, the bearing condition of the tensioner and the base is analyzed, the characteristics of a tensioner and a load transmission path are analyzed, a response value X at a measuring point position is obtained, and then a load transmission rigidity matrix K is obtained through calibration;
K＝KX，K＝PX -1 ；
step two, based on the finite element simulation result, screening a region with larger stress on a tensioner base, monitoring the real-time change condition of stress and strain through a strain sensor, and constructing a measuring point response matrix X';
thirdly, calculating the pressure P 'at the contact position of the anchor chain and the tensioner pulley according to the load transfer stiffness matrix K and the measuring point monitoring response matrix X';
P′＝XX′；
step five, calculating the real-time change condition of the tension of the anchor chain according to the physical relationship;
F＝T 2 sinα，T 2 cos＝T 1 ；
wherein a is the included angle between the anchor chain and the vertical direction, T 2 For the upper end tension of the anchor chain, T 1 Is the lower tension of the anchor chain.
The invention has the following beneficial effects:
1. the invention can realize the comprehensive monitoring of the tension of the anchor chain and the change of the inclination angle movement, has small error, can know the tension change of the mooring cable chain on one hand, and evaluates the production safety of the floating fan platform; on the other hand, when the tension of the mooring rope chain is abnormal, emergency risk avoidance measures can be adopted to avoid dangerous situations;
2. the invention can dynamically monitor the tension condition of the anchor chain in real time based on the load identification technology, thereby objectively evaluating the design model of the mooring system and the corresponding specification, having important value for the identification of the load parameters of the platform, laying a foundation for the subsequent stages of structural design, structural optimization, performance evaluation and the like, and providing powerful scientific support for the reliability optimization design of the platform;
3. the invention has simple structure, convenient installation and use and easy maintenance, and can be replaced integrally if faults occur, thereby saving cost;
4. the invention can obtain the tension and inclination angle information of the anchor chain through a load inversion identification technology, has simple operation, high monitoring accuracy, strong timeliness and wide applicability, can run for a long time in a severe marine environment, processes monitoring signal data through the signal processor to the central control room host, can display the tension of the anchor chain and the abnormal condition of the anchor chain in the display instrument, and can transmit an alarm signal to relevant professionals of the floating fan platform for emergency treatment when the tension of the anchor chain is abnormal.
Drawings
FIG. 1 is a schematic structural view of an apparatus for monitoring the chain tension of a floating wind turbine mooring system;
FIG. 2 is a schematic partial structural view of an apparatus for monitoring the chain tension of a floating wind turbine mooring system;
FIG. 3 is a force analysis chart.
In the figure: the device comprises a 1-anchor, a 2-anchor chain, a 3-inclinometer, a 4-tensioner, a 5-chain stopper, a 6-signal acquisition communication board, a 7-cable, an 8-pontoon, a 9-platform, a 10-fan, an 11-signal processor, a 12-central control room host, a 13-display instrument and a 14-strain sensor.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
The first embodiment is as follows: 1-3, a device for monitoring the anchor chain tension of a mooring system of a floating fan in the embodiment comprises an inclinometer 3, a signal acquisition communication board 6, a signal processor 11, a central control room host 12, a display 13 and a strain sensor 14, wherein the strain sensor 14 and the inclinometer 3 are electrically connected with the signal acquisition communication board 6 through a singlechip, the signal acquisition communication board 6, the signal processor 11, the central control room host 12 and the display 13 are electrically connected in sequence, the signal acquisition communication board 6 is a multifunctional circuit module integrating signal acquisition and communication, the multifunctional circuit module comprises a signal acquisition module, a signal processing module, a signal transmission module, a power management module and a device capable of realizing high-precision strain signal measurement, inclination angle signal measurement and high-reliability remote transmission of data, the interface of the signal processor 11 is rich, the invention has the functions of real-time measurement and adjustment, the data transmission frequency reaches 50Hz, static data can be accepted, dynamic data can be accepted, the functions of data real-time acquisition and processing can be realized efficiently, the signal processor 11 has perfect data storage and analysis functions, more equipment can be carried, the system capacity for accepting data tasks can be carried, the information transmission capacity is strong, the real-time transmission of monitoring information can be realized, the invention has the advantages of strong reliability, strong anti-interference capacity, convenient installation, small size, good anti-electromagnetic interference and corrosion resistance, applicability in severe environment, simple operation, friendly man-machine interface interaction function, the upper computer software environment receives the anchor chain 2 tension data transmitted by the signal processor 11, thereby generating control strategies and control information, displaying on the display 13 in real time and feeding back to staff in time, the central office host 12 uses a standard communication interface for serial communication with peripheral devices.
The second embodiment is as follows: referring to fig. 1-3, a device for monitoring the tension of the anchor chain of a mooring system of a floating fan in this embodiment is described, further comprising an anchor 1, an anchor chain 2, a tensioner 4, a chain stopper 5, a pontoon 8 and a platform 9, wherein one end of the anchor chain 2 is connected with the anchor 1 on the seabed, the anchor 1 on the seabed is uniformly arranged, the other end of the anchor chain 2 is connected with the chain stopper 5 through the tensioner 4, the chain stopper 5 is fixedly connected with the platform 9, a pulley of the tensioner 4 is tightly pressed against the anchor chain 2, the tensioner 4 is connected with the platform 9 through a base, a strain sensor is arranged on the base, a strain sensor 14 is arranged near the tensioner 4, an inclinometer 3 is arranged below the tensioner 4, the inclinometer 3 is connected with the anchor chain 2, three pontoons 8 are arranged below the platform 9, the pontoons 8 are arranged around the central platform in a regular triangle, the pontoons 8 are connected with the platform 9 through supporting beams, the chain stopper 5 is connected with the anchor chain 2, the equipment capable of being carried is more, the system carrying task is strong in capacity, the system is strong in information transmission capacity, the whole system can not be supplied with a cable for a real-time, i.e. the cable is not connected with a power supply cable for a power supply cable, i.e. a cable is not connected with a power supply cable for a real-time, and a power supply cable is not connected with a power supply cable, and a cable is not in real-time, and a power supply system is not connected to a power cable is used for a power supply system is used for a cable, and a power supply system is a.e.v.v.is not a.is 67.
And a third specific embodiment: referring to fig. 1 to 3, in the device for monitoring the tension of the anchor chain of the mooring system for a floating wind turbine according to the present embodiment, a wind turbine 10 is disposed in the middle of a platform 9, three tensioners 4 are circumferentially arranged on the edge of the platform 9 with the wind turbine 10 as an axis, each tensioner 4 is correspondingly connected with one anchor chain 2, the anchor chain 2 is a steel suspension chain, a signal acquisition communication board 6 arranged in three circumferential arrays is fixedly connected with the platform 9, strain gauge sensing elements of a strain sensor 14 are attached to the surface near the tensioners 4 and packaged based on circumferential implantation, the appearance of the tensioners 4 is not affected, the tensioners 4 can be well coupled with materials, the structural strength is less affected, the sensor has a wider frequency response range, meets the requirements of dynamic signal monitoring such as pressure and the like, is provided with a protective sleeve, the packaging material of the strain sensor 14 is 304 stainless steel, a plurality of strain gauge sensing elements form a sensing array, the sensing array is constructed into a discrete sensing network, deformation can be quickly converted into analog quantity, so that the stress strain change condition of the area near the monitoring tensioner 4 can be combined with a finite element calibration technology, the pressure change condition of the anchor chain 2 acting on the tensioner 4 is calculated in an inversion mode, collected data is transmitted to a singlechip module through an I2C protocol data transmission protocol, and the singlechip is converted into serial port signals to be transmitted to a signal collection communication board 6.
The specific embodiment IV is as follows: referring to fig. 1-3, a device for monitoring the tension of the anchor chain of a mooring system of a floating fan in this embodiment is described, the inclinometer 3 is mounted on the anchor chain 2 at the lower end of the chain stopper 5, the inclinometer 3 adopts a MEMS biaxial inclination sensor of 0.030, the MEMS inclination sensor is packaged and connected to the signal acquisition communication board 6, the acquisition communication board 6 acquires signals, the measurement results are converted into signals to be output, the signals are amplified, filtered, resolved and corrected by the signal processor 11, the inclination data of the anchor chain 2 enters the central control room host 12, and then the angle display is performed on the display 13 in a visual manner.
Fifth embodiment: 1-3, a device for monitoring the tension of an anchor chain of a mooring system of a floating fan in the embodiment is made of seawater corrosion resistant materials, a tensioner 4 can keep stable and reliable work under various temperatures and humidities, a base structural member of the tensioner 4 is sprayed with seawater-resistant paint and is provided with an anti-corrosion zinc block, and relative rotation parts such as a main shaft of the tensioner 4 are prevented from being corroded by seawater by stainless steel materials; for bolt and nut, install the stainless steel safety cover in the outside, the bolt hole is wrapped up in with silica gel mud, laminating face is scribbled sealed glue etc. in order to effectively reduce the influence of marine environment erosion to equipment, be favorable to guaranteeing stability and life of equipment, boats and ships cable are equipped with simple to operate, easy to maintain, advantage such as data transmission is real-time, for avoiding being used for electric connection's cable 7 to take place to damage, cable 7 adopts special boats and ships cable, avoid passing floating fan platform 9 unsafe region during installation and arrange, for avoiding electronic component's corruption and trouble, the socket adopts the aviation of waterproof grade IP67 to insert, data transmission adopts wired data transmission mode, data transmission frequency is fixed for 20ms, data type is floating point type, strain sensor 14, inclinometer 3 are with the data of gathering to signal processor 11 through demodulation, processing circuit can be based on the singlechip realization, its mainly used to gather analog quantity signal of detection circuit department and convert into digital signal, inclinometer 3, strain sensor 14 are equipped with pressure-bearing protective housing in the pressure-bearing protective housing bottom the pressure-bearing protective housing set up flange the fixed orifices of surface arrangement of flange, the pressure-bearing steel material 304 adopts the pressure-sensitive cable to carry out data transmission type data sensor 6 to gather data signal sensor 6, the data transmission type is data sensor is data transmission plate 6, data transmission type is equipped with a plurality of data sensor 6, and data sensor type is the data transmission type is the signal processor is the data transducer is the data processing of a number of signal processor is 6.
Specific embodiment six: 1-3, a method for monitoring the chain tension of a floating wind turbine mooring system of the present embodiment, employing an apparatus for monitoring the chain tension of a floating wind turbine mooring system, comprises the steps of:
step one: establishing a tensioner 4 and base local finite element analysis model;
step two: constructing a measuring point response matrix based on the finite element simulation result;
step three: calculating the pressure at the contact position of the anchor chain 2 and the pulley of the tensioner 4;
step four: the inclination angle change of the anchor chain 2 at the lower part of the tensioner 4 is monitored in real time through the inclinometer 3, and the real-time change condition of the inclination angle alpha is obtained;
step five: the chain 2 tension is calculated.
Seventh embodiment: 1-3, in the first step, a model of structures such as a tensioner 4, a base, an anchor chain and the like is built, a unit pressure load P is applied at a contact position of a pulley of the tensioner 4 and the anchor chain 2, the pressure action of the anchor chain 2 on the tensioner 4 is simulated, the bearing condition of the tensioner 4 and the base is analyzed through finite element software, the characteristics of the tensioner 4 and a load transmission path are analyzed, a response value X at a measuring point position is obtained, and then a load transmission rigidity matrix K is obtained through calibration;
K＝KX，K＝PX -1 ；
step two, based on the finite element simulation result, screening a region with larger stress on the base of the tensioner 4, monitoring the real-time change condition of stress and strain through the strain sensor 14, and constructing a measuring point response matrix X';
thirdly, calculating the pressure P 'at the contact position of the anchor chain 2 and the pulley of the tensioner 4 according to the load transfer stiffness matrix K and the measuring point monitoring response matrix X';
P′＝LX′；
step five, calculating the real-time change condition of the tension of the anchor chain 2 according to the physical relationship;
F＝T 2 sinα，T 2 cos＝T 1 ；
wherein a is the included angle between the anchor chain 2 and the vertical direction, T 2 For the upper end tension of the anchor chain 2, T 1 And F is the tension at the lower end of the anchor chain 2, and F is P'.
It should be noted that, in the above embodiments, as long as the technical solutions that are not contradictory can be arranged and combined, those skilled in the art can exhaust all the possibilities according to the mathematical knowledge of the arrangement and combination, so the present invention does not describe the technical solutions after the arrangement and combination one by one, but should be understood that the technical solutions after the arrangement and combination have been disclosed by the present invention.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A device for monitoring the chain tension of a floating wind turbine mooring system, characterized by: the intelligent control room comprises an inclinometer (3), a signal acquisition communication board (6), a signal processor (11), a central control room host (12), a display instrument (13) and a strain sensor (14), wherein the strain sensor (14), the inclinometer (3) and the signal acquisition communication board (6) are electrically connected, and the signal acquisition communication board (6), the signal processor (11), the central control room host (12) and the display instrument (13) are electrically connected in sequence.
2. An apparatus for monitoring mooring chain tension of a floating wind turbine mooring system as defined in claim 1, wherein: still include anchor (1), chain stopper (2), tensioning ware (4), chain stopper (5), flotation pontoon (8) and platform (9), the one end and the anchor (1) of chain stopper (2) are connected, the other end of chain stopper (2) is connected with chain stopper (5) through tensioning ware (4), chain stopper (5) and platform (9) fixed connection, pulley of tensioning ware (4) compresses tightly chain (2), be provided with strain sensor (14) near tensioning ware (4), tensioning ware (4) below is provided with inclinometer (3), inclinometer (3) are connected with chain stopper (2), the lower part of platform (9) is provided with flotation pontoon (8).
3. An apparatus for monitoring mooring chain tension of a floating wind turbine mooring system as defined in claim 2, wherein: three tensioners (4) are arranged on the edge circumferential array of the platform (9), each tensioner (4) is correspondingly connected with an anchor chain (2), the anchor chains (2) are steel suspension chains, and three signal acquisition communication plates (6) are connected with the platform (9).
4. An apparatus for monitoring mooring chain tension of a floating wind turbine mooring system as defined in claim 2, wherein: the inclinometer (3) is arranged on the anchor chain (2), and the inclinometer (3) adopts a MEMS double-shaft inclination sensor of 0.030.
5. An apparatus for monitoring mooring chain tension of a floating wind turbine mooring system as defined in claim 2, wherein: the tensioner (4) is made of seawater corrosion resistant materials, the cable (7) is made of special ship cables, the cable is prevented from penetrating through unsafe areas of the floating fan platform (9) during installation and arrangement, waterproof grade IP67 aviation plug is adopted in a socket for preventing corrosion and faults of electronic elements, and watertight pressure-bearing protective shells are arranged outside the inclinometer (3) and the strain sensor (14).
6. A method for monitoring the chain tension of a floating wind turbine mooring system, comprising: a device for monitoring the chain tension of a floating wind turbine mooring system according to any one of claims 1-3, comprising the steps of:
step one: establishing a tensioner (4) and base local finite element analysis model;
step two: constructing a measuring point response matrix based on the finite element simulation result;
step three: calculating the pressure at the contact position of the anchor chain (2) and the pulley of the tensioner (4);
step four: the inclination angle change of the anchor chain (2) at the lower part of the tensioner (4) is monitored in real time through the inclinometer (3) to obtain the real-time change condition of the inclination angle alpha;
step five: and calculating the tension of the anchor chain (2).
7. A method for monitoring the chain tension of a floating wind turbine mooring system according to claim 6, wherein: step one, a tensioner (4), a base and an anchor chain model are established, a unit pressure load P is applied at the contact position of a pulley of the tensioner (4) and the anchor chain (2), the bearing condition of the tensioner (4) and the base is analyzed, the characteristics of the tensioner (4) and a load transmission path are analyzed, a response value X at a measuring point position is obtained, and then a load transmission rigidity matrix K is obtained through calibration;
P＝KX，K＝PX -1 ；
screening a region with larger stress on a base of the tensioner (4) based on a finite element simulation result, monitoring the real-time change condition of stress and strain through a strain sensor (14), and constructing a measuring point response matrix X';
thirdly, calculating the pressure P 'at the contact position of the anchor chain (2) and the pulley of the tensioner (4) according to the load transfer stiffness matrix K and the measuring point monitoring response matrix X';
P′＝KX′；
step five, calculating the real-time change condition of the tension of the anchor chain (2) according to the physical relationship;
F＝T 2 sinα，T 2 cos＝T 1 ；
wherein a is the included angle between the anchor chain (2) and the vertical direction, T 2 For the upper end tension of the anchor chain (2), T 1 Is the lower tension of the anchor chain (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310572281.7A CN116907568A (en) | 2023-05-22 | 2023-05-22 | Device and method for monitoring anchor chain tension of floating fan mooring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310572281.7A CN116907568A (en) | 2023-05-22 | 2023-05-22 | Device and method for monitoring anchor chain tension of floating fan mooring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116907568A true CN116907568A (en) | 2023-10-20 |
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| CN202310572281.7A Pending CN116907568A (en) | 2023-05-22 | 2023-05-22 | Device and method for monitoring anchor chain tension of floating fan mooring system |
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| CN (1) | CN116907568A (en) |
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