CN105547673A - Dynamic characteristic tracking device and method of anchor chain - Google Patents
Dynamic characteristic tracking device and method of anchor chain Download PDFInfo
- Publication number
- CN105547673A CN105547673A CN201510962758.8A CN201510962758A CN105547673A CN 105547673 A CN105547673 A CN 105547673A CN 201510962758 A CN201510962758 A CN 201510962758A CN 105547673 A CN105547673 A CN 105547673A
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- Prior art keywords
- cable
- fairlead
- microprocessor
- fiber
- anchor chain
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
- G01L5/047—Specific indicating or recording arrangements, e.g. for remote indication, for indicating overload or underload
Abstract
The invention discloses a dynamic characteristic tracking device and method of an anchor chain. The device comprises a microprocessor, a computer, a tension force measuring instrument and a fiber inductor, the microprocessor is mounted on a soleplate, the soleplate is fixed on a ship, the ship is provided with a pile, the pile is fixed to a cable, the front end of the ship is provided with a cable guiding roller, the cable is fixed to the seabed by penetrating the cable guiding roller, the tension force measuring instrument and the fiber inductor are positioned on the cable between the cable guiding roller and the seabed, and the fiber inductor is connected to the microprocessor via a fiber of the cable guiding roller. According to the dynamic characteristic tracking device of the anchor chain, the cable is provided with the tension force measuring instrument, a displacement sensor and a pressure sensor are integrated in the tension force measuring instrument, and the tension force at the top end of the cable can be obtained accurately; and the fiber inductor records coordinates of the cable in different positions to obtain the change direction of the cable, the reliability is high, the structure is simple, and the device and method can be applied to the practical marine site to measure the tension force and direction of the cable in real time.
Description
Technical field
The present invention relates to a kind of anchor chain dynamic perfromance tracking means and method, belong to the field tests of anchor chain.
Background technology
Along with ocean development more and more develops toward deep-sea, non-linear disaster environment effect can be subject at different time and space scale boats and ships, to be there is the phenomenons such as Large Amplitude Motion, large scale distortion, high mode dynamic response, corrosion decay in it, very big to the security threat of boats and ships.Therefore, in order to fully ensure the safety of boats and ships, must various factors be considered, adopting multiple means to be studied.In recent years, tightening rope mooring system is the most frequently used anchor chain type.At present, be also only limitted to numerical simulation or experiment measuring, in experiment measuring, cannot simulate marine environment accurately for the distortion of deep-sea anchor chain and tonometry, and the method that anchor chain is blocked in general application is measured, this is difficult to the real oceanic condition of reflection.And only have device by tensile measurer measuring cable rope tensility at present, and there is no the device in real-time follow-up cable direction.In the deep-marine-environment of complexity, the action direction of cable tension is also very important.The present invention directly can measure direction and the Tensity size that rope anchor chain is tightened at deep-sea, and passes data back measuring station in time, the behaviour in service of moment concern anchor chain.Measuring accuracy of the present invention is high, intelligence degree is high.
Along with the development of optical fiber technology, use optical fiber to make sensor as material and arise at the historic moment.Antijamming capability is strong, good insulating because have for optical fiber, high temperature resistant good, so be used for developing a variety of sensor, and such as optical fiber liquid level, fiber optic temperature, optical fibre gyro, fibre-optic current etc.Can passing only because light forms total reflection between fine layer attendant of a stage actor coating of optical fiber, can pass through fast in the middle of optical fiber.Fibre Optical Sensor is made up of optical transmitter, sensitive element (material of optical fiber or non-optical fiber), optical receiver, signal processing system and optical fiber.The light source sent by optical transmitter is through fiber guides to sensitive element, and certain character in this time is subject to measured modulation, and modulated light is through receiving coupling fiber to optical receiver.Fibre Optical Sensor can be divided into functional Fibre-Optic Sensors to follow non-functional optic fiber sensor by principle, and both difference is that modulator is wherein different, and the optical fiber of NOT-function Fibre Optical Sensor is as just the propagation medium of light.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of anchor chain dynamic perfromance tracking means and method, be arranged on cable by tensile measurer and fiber sensor, cable direction is returned to by fiber sensor, cable top tension value is returned by tensile measurer, be taken to cable software for calculation Aqwa, simulate cable position shape and cable power constantly, the tension force of cable and the direction of cable change can be drawn accurately.
Technical scheme: for achieving the above object, anchor chain dynamic perfromance tracking means of the present invention, comprise microprocessor, computing machine, tensile measurer and fiber sensor, described microprocessor is arranged on mount pad, mount pad is fixed on hull, hull is provided with stake, stake is fixed with cable, in the front end of hull, fairlead is installed, cable is fixed on seabed through fairlead, described tensile measurer and fiber sensor to be located on the cable between fairlead and seabed and adjacent fairlead, fiber sensor is connected with microprocessor by the optical fiber through fairlead, microprocessor is connected with computing machine.
As preferably, described microprocessor comprises single-chip microcomputer, ARM microcontroller, and the optical signalling of fiber sensor is after single-chip microcomputer rough handling, and single-chip microcomputer serial is sent to ARM microcontroller process, and microprocessor is connected with computing machine.
As preferably, described computing machine is provided with Aqwa software, the cable top tension force can measured according to tensile measurer and the initial bit shape data of cable simulate the cable position shape of whole cables under the environmental load such as wave and current and tension force constantly.
A method for above-mentioned anchor chain dynamic perfromance tracking means, comprises the following steps:
(1) tensile measurer and fiber sensor are arranged on cable, fiber sensor is connected with microprocessor through fairlead by optical fiber, induction point coordinate when optical fiber is vertical with hull by fairlead on microprocessor is set to initial position, record initial coordinate, with fiber perpendicular downwards for X-axis, vertical optical fiber and the intersection point of fairlead are initial point, and vertical X axis is Y-axis;
(2) cable position shape and cable power is simulated constantly by cable power software for calculation Aqwa software, this software adopts nonlinear finite element method to carry out iterative to cable distortion and tension force, consider the elastic deformation of the various stressed and cable of mooring hawser, mooring hawser and the environmental load such as ripple, the stream INTERACTION PROBLEMS of Different Weight, size and material composition can be calculated;
Anchorage tension measuring instrument of the present invention, is applicable to power industry, the communications industry, traffic transport industry, glass wall curtain decoration industry, ropeway operation industry, building trade, recreation ground, constructing tunnel, fishery is fished for, Ge great scientific research institutions and educational institution, testing agency and relate to the occasion of rope and lineoutofservice signal pull.It has the rope structure of tensile force, does not need dismounting directly to measure; Lightweight, structure is simple, easy to operate, of many uses.
Beneficial effect: anchor chain dynamic perfromance tracking means of the present invention, by installation tension measuring instrument on cable, tensile measurer inside is integrated with displacement transducer and pressure transducer, can draw the tension force of cable accurately; By the coordinate of fiber sensor record cable diverse location, draw the direction that cable changes, good reliability, structure is simple, can apply in actual marine site, measures tension force and the direction of cable in real time, prevents anchor chain from rupturing under the wave action.
Accompanying drawing explanation
Fig. 1 is anchor chain dynamic perfromance tracking means system architecture schematic diagram.
Fig. 2 is anchor chain tracing of the movement induction system schematic diagram.
Fig. 3 is anchor chain tracing of the movement induction system microprocessor principle schematic.
Fig. 4 is anchorage tension measuring instrument schematic diagram.
Fig. 5 is Fairlead roller arrangement schematic diagram.
Fig. 6 is Fibre Optical Sensor operating diagram.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figures 1 to 6, anchor chain dynamic perfromance tracking means of the present invention, comprise microprocessor 1, tensile measurer and fiber sensor 9, described microprocessor 1 is arranged on mount pad 6, mount pad 6 is fixed on the boat deck 3 of hull 4, hull 4 is provided with stake 2, stake 2 is fixed with cable 5, in the front end of hull 4, fairlead 7 is installed, fairlead 7 is arranged on boat deck 3 by fairlead seat 15, cable 5 is fixed on seabed through fairlead 7, described tensile measurer and fiber sensor 9 are located on the cable 5 between fairlead 7 and seabed, fiber sensor 9 is connected with microprocessor 1 by the optical fiber 8 through fairlead 7, microprocessor by the signal feedback of tensile measurer on computing machine, computing machine is provided with Aqwa software.
In the present invention, microprocessor 1 of the present invention is the optical filtering flap-type near infrared spectrometer based on ARM microcontroller, and principle as shown in Figure 3.Photoelectric detecting signal in optical system is after ADC, parallel being input in single-chip microcomputer carries out preliminary data process, be sent in ARM microcontroller by single-chip microcomputer serial again, utilize ARM microcontroller calibrate spectroscopic data and analyze, and realize the control to optical system and display operating system.
In the present invention, anchorage tension measuring instrument as shown in Figure 4, adopts rope tension instrument, pressure transducer and displacement transducer to be placed in anchorage tension measuring instrument.It has the rope structure of tensile force, does not need dismounting directly to measure; Lightweight, structure is simple, easy to operate, of many uses, tension test scope 500-2000kg, test rope diameter: 10mm ~ 34mm.Tensile measurer is provided with ON/OFF key 10, regulates measurement range key 11, series number 12, clearing/acknowledgement key 13, digital display screen 14.
The fiber sensor 9 that the present invention adopts is NOT-function Fibre Optical Sensor, and the optical fiber 8 of NOT-function Fibre Optical Sensor is as just the propagation medium of light.Optical fiber 8 sensor is made up of optical transmitter, sensitive element, optical receiver, signal processing system and optical fiber 8.The light source sent by optical transmitter guides to sensitive element through optical fiber 8, and certain character in this time is subject to measured modulation, and modulated light is through receiving coupling fiber to optical receiver, and optical fiber 8 working sensor process as shown in Figure 6.
A method for above-mentioned anchor chain dynamic perfromance tracking means, comprises the following steps:
(1) tensile measurer and fiber sensor 9 are installed on the cable 5, fiber sensor 9 is connected with microprocessor 1 through fairlead 7 by optical fiber 8, optical fiber 8 direction is parallel with cable 5 direction, induction point coordinate when optical fiber 8 is vertical with hull by fairlead 7 on microprocessor 1 is set to initial position, record initial coordinate, with optical fiber 8 vertically downward for X-axis, vertical optical fiber 8 is initial point with the intersection point of fairlead 7, and vertical X axis is Y-axis;
(2) fiber sensor 9 and tensile measurer are arranged on cable 5 top, the cable anchor point tension value returned constantly by cable top tensile measurer, by the position shape of cable power software for calculation Aqwa computing cable and the size of cable power.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. an anchor chain dynamic perfromance tracking means, it is characterized in that: comprise microprocessor, computing machine, tensile measurer and fiber sensor, described microprocessor is arranged on mount pad, mount pad is fixed on hull, hull is provided with stake, stake is fixed with cable, in the front end of hull, fairlead is installed, cable is fixed on seabed through fairlead, described tensile measurer and fiber sensor to be located on the cable between fairlead and seabed and adjacent fairlead, fiber sensor is connected with microprocessor by the optical fiber through fairlead, microprocessor is connected with computing machine.
2. anchor chain dynamic perfromance tracking means according to claim 1, it is characterized in that: described microprocessor comprises single-chip microcomputer and ARM microcontroller, the optical signalling of fiber sensor is after single-chip microcomputer rough handling, single-chip microcomputer serial is sent to ARM microcontroller process, draws tension force and the tension direction at optical fiber sensor location place on cable.
3. anchor chain dynamic perfromance tracking means according to claim 1 and 2, is characterized in that: described computing machine is provided with Aqwa software.
4. a method for anchor chain dynamic perfromance tracking means as claimed in claim 3, is characterized in that: comprise the following steps:
(1) tensile measurer and fiber sensor are arranged on cable, fiber sensor is connected with microprocessor through fairlead by optical fiber, optical fiber direction is parallel with cable direction, induction point coordinate when optical fiber is vertical with hull by fairlead on microprocessor is set to initial position, record initial coordinate, with fiber perpendicular downwards for X-axis, vertical optical fiber and the intersection point of fairlead are initial point, and vertical X axis is Y-axis;
(2) fiber sensor and tensile measurer are arranged on cable top, the cable anchor point tension value returned constantly by cable top tensile measurer, by the position shape of cable power software for calculation Aqwa computing cable and the size of cable power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510962758.8A CN105547673A (en) | 2015-12-21 | 2015-12-21 | Dynamic characteristic tracking device and method of anchor chain |
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| CN201510962758.8A CN105547673A (en) | 2015-12-21 | 2015-12-21 | Dynamic characteristic tracking device and method of anchor chain |
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| CN201510962758.8A Pending CN105547673A (en) | 2015-12-21 | 2015-12-21 | Dynamic characteristic tracking device and method of anchor chain |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106934103A (en) * | 2017-02-17 | 2017-07-07 | 哈尔滨工程大学 | Mooring system dynamic response method of estimation based on segmentation extrapolation strategy |
| CN110057569A (en) * | 2019-05-26 | 2019-07-26 | 江苏佳华机械科技有限公司 | Anchor chain performance test tooling |
| CN111122142A (en) * | 2020-01-14 | 2020-05-08 | 浙江大学 | Experimental device and method for researching dynamic response and flow field characteristics of anchor chain under cyclic motion |
| CN110057569B (en) * | 2019-05-26 | 2024-05-03 | 江苏佳华机械科技有限公司 | Anchor chain performance test tool |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200944069Y (en) * | 2006-06-19 | 2007-09-05 | 浙江省建筑科学设计研究院有限公司 | Steel rope internal force tester |
| CN101261178A (en) * | 2008-04-24 | 2008-09-10 | 上海交通大学 | Active mode ocean platform mixing model test device |
| CN101424551A (en) * | 2008-11-28 | 2009-05-06 | 北京航空航天大学 | Active vision non-contact type servomechanism parameter measurement method and apparatus thereof |
| CN101839815A (en) * | 2010-05-11 | 2010-09-22 | 浙江大学 | Installation and complex loading model testing platform for novel deep sea mooring foundation |
| CN201961497U (en) * | 2011-03-28 | 2011-09-07 | 扬帆集团股份有限公司 | Ship anchor system design test device |
| US20110251803A1 (en) * | 2010-04-09 | 2011-10-13 | Lucas Teurlay | Assembly, system, and method for cable tension measurement |
| CN103185545A (en) * | 2013-03-20 | 2013-07-03 | 重庆大学 | Space vector object three-dimensional rotational coordinate measuring method |
| CN103837084A (en) * | 2014-02-18 | 2014-06-04 | 浙江华东工程安全技术有限公司 | Three-direction displacement measurement method based on laser speckle imaging technology |
| CN204007545U (en) * | 2014-06-12 | 2014-12-10 | 北京华航无线电测量研究所 | Rotational angle measurement mechanism |
-
2015
- 2015-12-21 CN CN201510962758.8A patent/CN105547673A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200944069Y (en) * | 2006-06-19 | 2007-09-05 | 浙江省建筑科学设计研究院有限公司 | Steel rope internal force tester |
| CN101261178A (en) * | 2008-04-24 | 2008-09-10 | 上海交通大学 | Active mode ocean platform mixing model test device |
| CN101424551A (en) * | 2008-11-28 | 2009-05-06 | 北京航空航天大学 | Active vision non-contact type servomechanism parameter measurement method and apparatus thereof |
| US20110251803A1 (en) * | 2010-04-09 | 2011-10-13 | Lucas Teurlay | Assembly, system, and method for cable tension measurement |
| CN101839815A (en) * | 2010-05-11 | 2010-09-22 | 浙江大学 | Installation and complex loading model testing platform for novel deep sea mooring foundation |
| CN201961497U (en) * | 2011-03-28 | 2011-09-07 | 扬帆集团股份有限公司 | Ship anchor system design test device |
| CN103185545A (en) * | 2013-03-20 | 2013-07-03 | 重庆大学 | Space vector object three-dimensional rotational coordinate measuring method |
| CN103837084A (en) * | 2014-02-18 | 2014-06-04 | 浙江华东工程安全技术有限公司 | Three-direction displacement measurement method based on laser speckle imaging technology |
| CN204007545U (en) * | 2014-06-12 | 2014-12-10 | 北京华航无线电测量研究所 | Rotational angle measurement mechanism |
Non-Patent Citations (3)
| Title |
|---|
| 孙巧雷: "基于AQWA的半潜式深水钻井平台运动响应与锚泊系统张力响应分析", 《河北科技大学学报》 * |
| 张文娜: "《传感器技术》", 30 November 2011, 清华大学出版社 * |
| 谢云平: "《船舶设计原理》", 28 February 2015, 国防工业出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106934103A (en) * | 2017-02-17 | 2017-07-07 | 哈尔滨工程大学 | Mooring system dynamic response method of estimation based on segmentation extrapolation strategy |
| CN110057569A (en) * | 2019-05-26 | 2019-07-26 | 江苏佳华机械科技有限公司 | Anchor chain performance test tooling |
| CN110057569B (en) * | 2019-05-26 | 2024-05-03 | 江苏佳华机械科技有限公司 | Anchor chain performance test tool |
| CN111122142A (en) * | 2020-01-14 | 2020-05-08 | 浙江大学 | Experimental device and method for researching dynamic response and flow field characteristics of anchor chain under cyclic motion |
| CN111122142B (en) * | 2020-01-14 | 2023-12-19 | 浙江大学 | Experimental device and method for researching dynamic response and flow field characteristics of anchor chain under cyclic motion |
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Application publication date: 20160504 |
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