WO2024029205A1 - 係船索張力監視システム - Google Patents
係船索張力監視システム Download PDFInfo
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- WO2024029205A1 WO2024029205A1 PCT/JP2023/021877 JP2023021877W WO2024029205A1 WO 2024029205 A1 WO2024029205 A1 WO 2024029205A1 JP 2023021877 W JP2023021877 W JP 2023021877W WO 2024029205 A1 WO2024029205 A1 WO 2024029205A1
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- WIPO (PCT)
- Prior art keywords
- mooring
- tension
- drum
- hardware
- mooring line
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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
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/16—Tying-up; Shifting, towing, or pushing equipment; Anchoring using winches
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
- B66D1/58—Safety gear responsive to excess of load
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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
- B63B2021/003—Mooring or anchoring equipment, not otherwise provided for
- B63B2021/008—Load monitors
Definitions
- the present disclosure relates to a mooring line tension monitoring system.
- a mooring line When mooring a ship to a fixed structure such as a quay or a sea base, a mooring line is strung around at least one mooring hardware on the ship's hull, and the tip of the mooring line is anchored to a mooring post of the fixed structure. .
- the mooring line is wound up or unwound by a mooring machine (mooring winch) installed on the hull.
- Patent Document 1 discloses that a mooring machine includes a drum around which a mooring line is wound, and a band brake that can be switched between a restrained state that prohibits rotation of the drum and an open state that allows rotation of the drum. It is described that when the brake is in a restrained state, the tension in the mooring line is calculated from the detected value of a load cell provided in the band brake and the tension action radius on the drum.
- Patent Document 2 describes that a fiber rope is used as a mooring rope, an elongation rate sensor is twisted at the tip of the fiber rope, and the tension of the mooring rope is calculated from the detected value of the elongation rate sensor. There is.
- the tension of the mooring line is calculated from the detected value of the load cell installed in the band brake and the radius of tension action on the drum, the calculated tension is based on the tension of the portion of the mooring line near the drum. It is tension.
- the tension of the mooring line is different before and after the mooring hardware. That is, with the configuration described in Patent Document 1, it is not possible to detect the most important tension on the mooring pole side, which is the tension in the portion of the mooring line between the mooring hardware and the mooring pole.
- an object of the present disclosure is to provide a mooring line tension monitoring system that can detect the mooring pole side tension of a mooring line without using an elongation rate sensor.
- the present disclosure is a system for monitoring the tension of a mooring line that is stretched around at least one mooring hardware on a ship's hull and whose tip is moored to a mooring post of a fixed structure, the system comprising: a drum around which the mooring line is wound; and a drum-side tension that is the tension in a portion of the mooring line between the mooring machine and the at least one mooring hardware, and the mooring line is stretched over the at least one mooring hardware.
- a mooring line tension monitoring system comprising: a control device that calculates a mooring column side tension that is a tension in a portion between the mooring line and the column.
- a mooring line tension monitoring system that can detect the mooring pole side tension of a mooring line without using an elongation rate sensor.
- FIG. 1 is a schematic configuration diagram of a mooring line tension monitoring system according to an embodiment. It is a front view of a mooring machine. It is a schematic block diagram of a band brake.
- FIG. 1 shows a mooring line tension monitoring system 1 according to one embodiment.
- This mooring line tension monitoring system 1 monitors the tension of a mooring line 10 when a ship 2 is moored by the mooring line 10 to a fixed structure 3 such as a quay or a sea base.
- the mooring line tension monitoring system 1 includes a plurality of mooring machines 4 provided on the hull 21 of the ship 2 and a control device 9 that controls these mooring machines 4.
- Each mooring machine 4 winds up and unwinds the corresponding mooring line 10.
- four mooring machines 4 are arranged on the port and starboard sides of the bow side and the port and starboard sides of the stern side, but the number and position of the mooring machines 4 can be changed as appropriate.
- a plurality of mooring hardware 22 are provided on the hull 21, and a plurality of mooring columns 31 are provided on the fixed structure 3.
- each mooring line 10 is wrapped around at least one mooring hardware 22, and the tip of the mooring line 10 is anchored to a mooring post 31.
- all the mooring lines 10 are strung around two mooring hardware 22, but the number of mooring hardware 22 over which each mooring line 10 is strung is one or three or more. Good too.
- the mooring hardware 22 is, for example, a stand roller, a fairlead, a deck roller, a chock, etc.
- the mooring bollard 31 is, for example, a bit, a bollard, a quick release hook, or the like.
- the mooring line 10 may be a fiber rope or a metal wire. Examples of the material for the fiber rope include nylon and ultra-high molecular weight polyethylene (HMPE).
- the mooring line 10 may have a distal end portion made of a fiber rope, and a majority of the remaining portion made of wire.
- each mooring machine 4 includes a drum 7 around which the mooring line 10 is wound, and a motor 51 that rotates the drum 7.
- the drum 7 is rotatably supported by a support base 25.
- a reducer 52 is provided between the motor 51 and the drum 7, and a clutch 53 and a band brake 6 are provided between the reducer 52 and the drum 7. That is, the motor 51 rotates the drum 7 via the reducer 52 and the clutch 53.
- the motor 51 rotates in a first direction in which the mooring line 10 is wound around the drum 7 and in a second direction in which the mooring line 10 is unwound from the drum 7.
- the motor 51 is a hydraulic motor, and hydraulic oil is supplied to and discharged from the hydraulic motor via a control valve 55.
- the control valve 55 By controlling the control valve 55 by the control device 9, the motor 51 is switched between stopping, rotating in the first direction, and rotating in the second direction.
- the motor 51 may be an electric motor and may be directly controlled by the control device 9.
- the motor 51 is provided with a torque detector 50 that detects the torque of the motor 51.
- a torque detector 50 that detects the torque of the motor 51.
- the motor 51 is a hydraulic motor
- a pressure sensor that measures the inflow pressure of hydraulic oil supplied to the hydraulic motor is used as the torque detector 50, and the inflow pressure measured by the pressure sensor is used as the torque detector 50. This is converted to a torque of 51.
- a torque sensor that directly measures the torque of the motor 51 may be used.
- the motor 51 is an electric motor, the current flowing through the electric motor may be converted into torque.
- the clutch 53 is switched between a engaged state in which the drum 7 is connected to the reducer 52 and a disengaged state in which the drum 7 is separated from the reducer 52.
- the clutch 53 includes a hydraulic cylinder. This hydraulic cylinder is connected to a solenoid valve 81, and when the solenoid valve 81 is controlled by the control device 9, the clutch 53 can be switched from the engaged state to the disengaged state or vice versa.
- the clutch 53 may include an electric cylinder instead of the hydraulic cylinder, and the electric cylinder may be directly controlled by the control device 9.
- the band brake 6 is switched between a restrained state in which rotation of the drum 7 is prohibited and an open state in which rotation of the drum 7 is permitted.
- the band brake 6 includes a hydraulic cylinder 66, as shown in FIG.
- This hydraulic cylinder 66 is connected to a solenoid valve 82 (see FIG. 2), and when the solenoid valve 82 is controlled by the control device 9, the band brake 6 is switched from the restrained state to the released state or vice versa. I can do it.
- the band brake 6 may include an electric cylinder instead of the hydraulic cylinder 66, and the electric cylinder may be directly controlled by the control device 9.
- the band brake 6 includes a brake drum 61 that rotates together with the drum 7, and a pair of arcuate bands 62 and 63 that extend along the brake drum 61.
- One ends of the bands 62 and 63 are connected to each other via a pin 64, and the other ends of the bands 62 and 63 are connected to the above-mentioned hydraulic cylinder 66 via a link mechanism 65.
- the hydraulic cylinder 66 moves the other ends of the bands 62 and 63 away from each other via the link mechanism 65, a slight gap is formed between the bands 62 and 63 and the brake drum 61, and the band brake 6 becomes in an open state.
- the hydraulic cylinder 66 brings the other ends of the bands 62, 63 closer to each other via the link mechanism 65, the bands 62, 63 tighten the brake drum 61, and the band brake 6 becomes in a restrained state.
- the band brake 6 is provided with a load cell 60 that detects the band tension F acting on the bands 62 and 63 in a restrained state.
- a pin-type load cell 60 is employed.
- the link mechanism 65 includes a tension bar 67, and the tension bar 67 is connected to the bracket 23 provided on the hull 21 via the load cell 60.
- An operation signal is input to the control device 9 for each mooring machine 4.
- the control device 9 controls the control valve 55 and solenoid valves 81 and 82 of the corresponding mooring machine 4 based on the input operation signal. For example, since the control valve 55 includes an operating lever so that a sailor can manually operate the mooring machine 4, when the operating lever is tilted, an operating signal corresponding to the tilting direction is input to the control device 9. Alternatively, when automatic ship maneuvering is performed, the control device 9 may generate the operation signal by itself.
- the functionality of the elements disclosed herein may include general purpose processors, special purpose processors, integrated circuits, ASICs (Application Specific Integrated Circuits), conventional circuits configured or programmed to perform the disclosed functions, and/or a combination thereof.
- Processors are considered processing circuits or circuits because they include transistors and other circuits.
- a circuit, unit, or means is hardware that performs the recited functions or is hardware that is programmed to perform the recited functions.
- the hardware may be the hardware disclosed herein or other known hardware that is programmed or configured to perform the recited functions. If the hardware is a processor, which is considered a type of circuit, the circuit, means or unit is a combination of hardware and software, and the software is used to configure the hardware and/or the processor.
- control device 9 is electrically connected to the torque detector 50 and load cell 60 described above.
- control device 9 is also electrically connected to the winding layer number detector 70 and two cameras 91 (see FIG. 1).
- the winding layer number detector 70 detects the winding layer number of the mooring line 10 on the drum 7 .
- the winding layer number detector 70 converts the position of the outermost circumferential surface of the mooring line 10 wound around the drum 7 into the winding layer number.
- One camera 91 among the two cameras 91 is an area that includes two mooring machines 4 arranged on the bow side and all the mooring hardware 22 over which the mooring lines 10 extending from these mooring machines 4 may be strung.
- the other camera 91 photographs an area including the two mooring machines 4 arranged on the stern side and all the mooring hardware 22 over which the mooring lines 10 extending from these mooring machines 4 may be strung. do.
- the control device 9 determines the portion of each mooring line 10 between the mooring hardware 22 and the mooring post 31 based on the detection results of the torque detector 50, load cell 60, winding layer number detector 70, and the image of the camera 91. Mooring pillar side tension P0, which is tension, is calculated.
- the control device 9 calculates the drum-side tension P, which is the tension in the portion of each mooring line 10 between the mooring machine 4 and the mooring hardware 22. Specifically, when the band brake 6 is in the open state, the control device 9 operates based on the torque T of the motor 51 detected by the torque detector 50 and the number N of winding layers detected by the winding layer number detector 70. Calculate the drum side tension P. For example, the control device 9 calculates the drum side tension P using the following equation (1).
- the control device 9 adjusts the drum side tension P based on the band tension F detected by the load cell 60 and the number N of winding layers detected by the winding layer number detector 70. Calculate. For example, the control device 9 calculates the drum side tension P using the following equation (2).
- control device 9 determines, for each mooring line 10, the tension attenuation rate R due to the mooring line 10 being stretched over the mooring hardware 22.
- the image of the camera 91 is used to determine this tension attenuation rate R.
- the control device 9 determines which mooring hardware 22 each mooring line 10 is wrapped around and the winding angle of the mooring line 10 around each mooring hardware 22 from the image taken by the camera 91. Then, the control device 9 calculates an individual attenuation rate Ri for each of the mooring hardware 22 around which each mooring line 10 is stretched. In addition, "i" refers to the number of the mooring hardware 22 around which one mooring line 10 is stretched. For example, the control device 9 calculates the individual attenuation rate Ri using the following equation (3).
- ⁇ i Friction coefficient regarding the i-th mooring hardware 22
- ⁇ i Wrapping angle of the mooring line 10 around the i-th mooring hardware 22, that is, the individual damping rate Ri of the i-th mooring hardware 22 uses the friction coefficient ⁇ i and the wrapping angle ⁇ i It is calculated as follows.
- the friction coefficient ⁇ i is a coefficient depending on the type of the i-th mooring hardware 22 and the type of the mooring line 10 stretched over the i-th mooring hardware 22.
- the control device 9 stores in advance a friction coefficient table that defines the correspondence between the type of mooring hardware 22 and the type (material and diameter) of the mooring line 10 and the coefficient of friction. Based on the type of mooring line 10 and the image taken by the camera 91, the friction coefficient ⁇ i of the i-th mooring hardware 22 is determined using the friction coefficient table. For example, Table 1 shows a friction coefficient table when the mooring hardware 22 is a chock.
- the control device 9 determines the individual attenuation rate Ri of the mooring hardware 22 based on the tension attenuation due to the mooring rope 10 being stretched over the mooring hardware 22. The rate is determined as R.
- the control device 9 multiplies the individual attenuation rates Ri of those mooring hardware 22 and causes the mooring line 10 to multiply those mooring hardware 22 by the multiplication value. It is determined as the tension attenuation rate R due to passing. That is, the control device 9 determines the tension attenuation rate R of the entire mooring line 10 using the following equation (4).
- n Total number of mooring hardware 22 over which one mooring line 10 is stretched
- the drum side tension P is converted into the mooring column side tension P0 using the tension attenuation rate R, so the mooring line tension monitoring system 1 of the present embodiment converts the drum side tension P into the mooring column side tension P0 without using an elongation rate sensor.
- the mooring column side tension P0 of the cable 10 can be detected.
- the tension attenuation rate R is determined using equation (4), so the tension attenuation rate R of the entire mooring line 10 can be calculated by simply calculating the individual attenuation rate Ri of each mooring hardware 22. be able to.
- the individual damping rate Ri of each mooring hardware 22 is calculated using the friction coefficient ⁇ i and the wrapping angle ⁇ i, the individual damping rate Ri can be calculated using the same formula.
- a split drum including a storage drum and a tension drum is used as the drum 7, and when mooring a ship, the mooring line 10 is wound around the tension drum, and the line of action of tension is applied from the center of the drum 7.
- the radius may be constant. However, in this case, it is necessary to wind the mooring line 10 around the tension drum when mooring the vessel.
- the number of winding layers of the mooring line 10 on the drum 7 is detected by the winding layer number detector 70, there is no need for special work at the time of mooring, which is required when a split drum is used.
- the mooring hardware 22 over which the mooring line 10 is stretched may be determined in advance.
- the camera 91 is not necessary, and the winding angle of the mooring line 10 around each mooring hardware 22 other than the mooring hardware 22 located near the outline of the ship 2 may be stored in advance in the control device 9.
- the control device 9 determines whether the ship is moored based on the GPS information (latitude and longitude) of the ship 2 and the topographic information of the fixed structure 3 (including the latitude and longitude of the mooring pier 31) stored in the control device 9 in advance.
- the angle at which the mooring line 10 is wrapped around the mooring hardware 22 located closest to the pillar 31 may be calculated.
- the present disclosure is a system for monitoring the tension of a mooring line that is stretched over at least one mooring hardware on a ship's hull and whose tip is moored to a mooring post of a fixed structure,
- a mooring machine including a drum around which a rope is wound, and a drum-side tension that is a tension in a portion of the mooring line between the mooring machine and the at least one mooring hardware,
- the at least one of the mooring ropes is determined by determining the tension attenuation rate due to the mooring rope being stretched over two mooring hardware, and multiplying the drum side tension by the tension attenuation rate or dividing the drum side tension by the tension attenuation rate.
- a mooring line tension monitoring system is provided, comprising: a control device that calculates a mooring pole side tension that is a tension in a portion between two mooring hardware and the mooring pole.
- the drum side tension is converted to the mooring column side tension using the tension attenuation rate, the mooring column side tension of the mooring line can be detected without using an elongation rate sensor.
- the at least one mooring hardware includes a plurality of mooring hardware
- the control device calculates an individual attenuation rate for each of the plurality of mooring hardware, and
- the tension attenuation rate due to the mooring line being stretched across the plurality of mooring hardware may be determined by multiplying the individual attenuation rates of the mooring hardware.
- the tension attenuation rate of the entire mooring line can be calculated by simply calculating the individual attenuation rate of each mooring hardware.
- the control device uses a friction coefficient depending on the type of the mooring line and the mooring hardware, and a winding angle of the mooring line with respect to the mooring hardware to perform the individual damping.
- a rate may also be calculated.
- the individual attenuation rates can be calculated using the same formula.
- the control device multiplies the drum side tension by the tension attenuation rate.
- the mooring post side tension may be calculated by calculating the mooring post side tension, and dividing the drum side tension by the tension attenuation rate when the mooring line is unwound from the drum and when the drum is stopped. good. According to this configuration, by simply switching whether to multiply or divide the drum side tension by the tension attenuation rate, the mooring pole side tension when winding the mooring rope and the mooring pole side tension when the mooring rope is unwinding and when the drum is stopped can be changed. Side tension can be calculated.
- the mooring machine includes a motor that rotates the drum, a restraint state that prohibits rotation of the drum, and a restraint state that prohibits rotation of the drum, and a state that allows rotation of the drum.
- the control device includes a band brake that is switched between an open state and a band brake, and the control device calculates the drum side tension based on the torque of the motor when the band brake is in the open state, and when the band brake is in the open state, the control device calculates the drum side tension based on the torque of the motor. When in a restrained state, the drum side tension may be calculated based on the band tension of the band brake.
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Abstract
Description
θi:i番目の係船金物22に対する係船索10の巻き付け角度
つまり、i番目の係船金物22の個別減衰率Riは、摩擦係数μiおよび巻き付け角度θiを使用して算出される。
本発明は上述した実施形態に限定されるものではなく、本発明の要旨を逸脱しない範囲で種々の変形が可能である。
第1の態様として、本開示は、船体上の少なくとも1つの係船金物に掛け渡されるとともに先端が固定構造物の係船柱に係止された係船索の張力を監視するシステムであって、前記係船索が巻き付けられたドラムを含む係船機と、前記係船索における前記係船機と前記少なくとも1つの係船金物との間の部分の張力であるドラム側張力を算出するとともに、前記係船索が前記少なくとも1つの係船金物に掛け渡されることによる張力減衰率を決定し、前記ドラム側張力に前記張力減衰率を乗算するか前記ドラム側張力を前記張力減衰率で除算することで前記係船索における前記少なくとも1つの係船金物と前記係船柱との間の部分の張力である係船柱側張力を算出する制御装置と、を備える、係船索張力監視システムを提供する。
Claims (5)
- 船体上の少なくとも1つの係船金物に掛け渡されるとともに先端が固定構造物の係船柱に係止された係船索の張力を監視するシステムであって、
前記係船索が巻き付けられたドラムを含む係船機と、
前記係船索における前記係船機と前記少なくとも1つの係船金物との間の部分の張力であるドラム側張力を算出するとともに、前記係船索が前記少なくとも1つの係船金物に掛け渡されることによる張力減衰率を決定し、前記ドラム側張力に前記張力減衰率を乗算するか前記ドラム側張力を前記張力減衰率で除算することで前記係船索における前記少なくとも1つの係船金物と前記係船柱との間の部分の張力である係船柱側張力を算出する制御装置と、
を備える、係船索張力監視システム。 - 前記少なくとも1つの係船金物は複数の係船金物を含み、
前記制御装置は、前記複数の係船金物のそれぞれに対して個別減衰率を算出し、前記複数の係船金物の前記個別減衰率を乗算することで、前記係船索が前記複数の係船金物に掛け渡されることによる前記張力減衰率を決定する、請求項1に記載の係船索張力監視システム。 - 前記制御装置は、前記係船索および前記係船金物の種類に応じた摩擦係数と、前記係船金物に対する前記係船索の巻き付け角度を使用して前記個別減衰率を算出する、請求項2に記載の係船索張力監視システム。
- 前記制御装置は、前記ドラムへの前記係船索の巻き取り時、前記ドラム側張力に前記張力減衰率を乗算することで前記係船柱側張力を算出し、前記ドラムからの前記係船索の巻き出し時および前記ドラムの停止時、前記ドラム側張力を前記張力減衰率で除算することで前記係船柱側張力を算出する、請求項1~3の何れか一項に記載の係船索張力監視システム。
- 前記係船機は、前記ドラムを回転させるモータと、前記ドラムの回転を禁止する拘束状態と前記ドラムの回転を許容する開放状態との間で切り換えられるバンドブレーキを含み、
前記制御装置は、前記バンドブレーキが前記開放状態にあるときは、前記モータのトルクに基づいて前記ドラム側張力を算出し、前記バンドブレーキが前記拘束状態にあるときは、前記バンドブレーキのバンド張力に基づいて前記ドラム側張力を算出する、請求項1~3の何れか一項に記載の係船索張力監視システム。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020257005105A KR103008206B1 (ko) | 2022-08-04 | 2023-06-13 | 계선삭 장력 감시 시스템 |
| CN202380055205.7A CN119497692A (zh) | 2022-08-04 | 2023-06-13 | 系船缆张力监视系统 |
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| JP2022125071A JP7860851B2 (ja) | 2022-08-04 | 2022-08-04 | 係船索張力監視システム |
| JP2022-125071 | 2022-08-04 |
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| JP (1) | JP7860851B2 (ja) |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118485424A (zh) * | 2024-04-22 | 2024-08-13 | 浙江省交通运输科学研究院 | 沿海大型港口系船柱结构安全监测装置及系统 |
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| JPH10109686A (ja) * | 1996-10-03 | 1998-04-28 | Mitsubishi Heavy Ind Ltd | 係留索張力監視装置 |
| WO2020110902A1 (ja) * | 2018-11-26 | 2020-06-04 | 帝人株式会社 | 係船索監視システム、係船管理システム、係船索監視方法、及び係船管理方法 |
| JP2020537755A (ja) * | 2017-10-20 | 2020-12-24 | ウィルヘルムセン・シップス・サーヴィス・アーエスWilhelmsen Ships Service As | スマートラインセンサ |
| WO2022030533A1 (ja) * | 2020-08-05 | 2022-02-10 | 川崎重工業株式会社 | 係船索張力監視システム |
| WO2022118753A1 (ja) * | 2020-12-04 | 2022-06-09 | 川崎重工業株式会社 | 操船システム及び操船方法 |
| WO2022118541A1 (ja) * | 2020-12-02 | 2022-06-09 | 川崎重工業株式会社 | 係船索張力制御システム |
-
2022
- 2022-08-04 JP JP2022125071A patent/JP7860851B2/ja active Active
-
2023
- 2023-06-13 CN CN202380055205.7A patent/CN119497692A/zh active Pending
- 2023-06-13 WO PCT/JP2023/021877 patent/WO2024029205A1/ja not_active Ceased
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6259186A (ja) * | 1985-09-06 | 1987-03-14 | Nippon Kokan Kk <Nkk> | 船舶の錨鎖張力検知方法 |
| JPH10109686A (ja) * | 1996-10-03 | 1998-04-28 | Mitsubishi Heavy Ind Ltd | 係留索張力監視装置 |
| JP2020537755A (ja) * | 2017-10-20 | 2020-12-24 | ウィルヘルムセン・シップス・サーヴィス・アーエスWilhelmsen Ships Service As | スマートラインセンサ |
| WO2020110902A1 (ja) * | 2018-11-26 | 2020-06-04 | 帝人株式会社 | 係船索監視システム、係船管理システム、係船索監視方法、及び係船管理方法 |
| WO2022030533A1 (ja) * | 2020-08-05 | 2022-02-10 | 川崎重工業株式会社 | 係船索張力監視システム |
| WO2022118541A1 (ja) * | 2020-12-02 | 2022-06-09 | 川崎重工業株式会社 | 係船索張力制御システム |
| WO2022118753A1 (ja) * | 2020-12-04 | 2022-06-09 | 川崎重工業株式会社 | 操船システム及び操船方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118485424A (zh) * | 2024-04-22 | 2024-08-13 | 浙江省交通运输科学研究院 | 沿海大型港口系船柱结构安全监测装置及系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2024021895A (ja) | 2024-02-16 |
| JP7860851B2 (ja) | 2026-05-18 |
| KR20250037551A (ko) | 2025-03-17 |
| CN119497692A (zh) | 2025-02-21 |
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