CN205426231U - Jack -up platform wave current load experiment data acquisition device - Google Patents
Jack -up platform wave current load experiment data acquisition device Download PDFInfo
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- CN205426231U CN205426231U CN201620212916.8U CN201620212916U CN205426231U CN 205426231 U CN205426231 U CN 205426231U CN 201620212916 U CN201620212916 U CN 201620212916U CN 205426231 U CN205426231 U CN 205426231U
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Abstract
The utility model discloses a jack -up platform wave current load experiment data acquisition device, its technical scheme is that it includes: pond (1), jack -up platform (2), stress and strain piece group (3), three shaft vibration acceleration sensor (4), acoustic emission sensor group (5), wave height sensor (6), data acquisition facility (7), data processing display device (8). The utility model discloses an arrange a plurality of sensor arrangement form simultaneously, once the experiment can obtain multiunit experimental result value, and a plurality of experimental results can be verified each other, confirmation in insurance validity is tested and has greatly been reduced the experimental work volume on the basis of result reliability, can guarantee the synchronous sampling problem of each sensor well, with all environmental data in the experimentation once complete collection get off, wave current load experiment data acquisition's precision is greatly improved, the experimental data error is big in having solved the experiment of present wave current load, the extravagant scheduling problem of manpower and materials.
Description
Technical field
This utility model belongs to field of ocean engineering, particularly to a kind of wave loadings data acquisition unit method.
Background technology
In ocean engineering is built, marine environment is very severe, the most simultaneously by the effect of typhoon, wave, ocean current, sea ice, tide and earthquake etc..The marine stability of jack-up unit, environmental suitability require higher, and its structure is complicated, involve great expense, and external load and structural strength standard are difficult to accurately determine.Wave and current load are the control loads of offshore structures, and cost, degree of safety and the life-span of engineering is played very important effect.Therefore, wave loadings calculates and rational strength assessment is particularly important in the jack-up unit design phase accurately.
In conventional wave loadings experiment, main employing is all one chip ess-strain sheet acquisition method, because being affected by the factors in experimentation, causes the experimental data error collected bigger, and for ensureing that requirement of experiment need to carry out substantial amounts of repeatability checking test, manpower and materials waste is serious.And being vibrated by towing equipment in experimentation, the vortex release impact under Coupling effect and the impact of other kinds environment noise, there is bigger error in the experimental data that one chip ess-strain sheet can be caused to collect.The utility model proposes a kind of can the method for accurate acquisition jack-up unit wave loadings experimental data, the data acquisition tested for the self-elevating ocean platform wave loadings of different size provides guide for method, has important theory significance and engineer applied is worth.
Utility model content
The problems such as the purpose of this utility model is: provides a kind of jack-up unit wave loadings experimental data collector, improves the precision that wave loadings experimental data gathers, and solves experimental data error in the experiment of current wave loadings big, manpower and materials waste.
The technical solution of the utility model is: a kind of jack-up unit wave loadings experimental data collector, and it includes: pond (1), jack-up unit spud leg (2), ess-strain sheet group (3), three shaft vibration acceleration transducers (4), acoustic emission sensor group (5), wave-height sensing device (6), data acquisition equipment (7), data process display device (8)；
Described pond (1) is used for simulating the generation ocean wave stream loading environment such as wave, ocean current；
Described jack-up unit spud leg (2) is positioned in pond, for simulating all kinds of platform legs in ocean, and can the multi-direction motion of level in described pond (1) under applied external force；
Described ess-strain sheet group (3) is fixed on the dynamometer link surface of described jack-up unit spud leg (2), environmental load signal suffered by described jack-up unit spud leg (2) during experiments of measuring, and the environmental load signal that in organizing, single ess-strain sheet is gathered, it is sent respectively to described data acquisition equipment (7)；
Described three shaft vibration acceleration transducers (4) are fixed on the dynamometer link bottom position of described jack-up unit spud leg (2), the acceleration of vibration time domain response of described jack-up unit spud leg (2) during experiments of measuring, and the time domain response signal gathered is sent to described data acquisition equipment (7)；
Described acoustic emission sensor group (5) is fixed on the upper surface of described jack-up unit spud leg (2), for gathering the ambient noise signal in experimentation, there is provided for later data noise reduction process and support, and the ambient noise signal gathered is sent to described data acquisition equipment (7)；
Described wave-height sensing device (6) is fixed in pond, and it is parallel with described jack-up unit spud leg (2), in good time wave height signal during gathering experiments of measuring, and the wave height signal gathered is sent to described data acquisition equipment (7)；
Described data acquisition equipment (7) is used for collecting the environmental load data signal that the single ess-strain sheet of described ess-strain sheet group (3) transmits, the time domain response signal that described three shaft vibration acceleration transducers (4) transmit, the ambient noise signal that the single acoustic emission sensor of described acoustic emission sensor group (5) transmits, the wave height signal that described wave-height sensing device (6) transmits, and convert the signals into the form adapting to described data process display device (8), it is sent to described data and processes display device (8)；
Described data process display device (8) for the environmental load data signal data after treatment transmitted by described data acquisition equipment (7), time domain response signal data, ambient noise signal data, wave height signal data, after processing further, show.
Further, described ess-strain sheet group (3) includes 3 groups of ess-strain sheets, often the vertical distance between group ess-strain sheet is unequal, and often group ess-strain sheet is made up of two ess-strain sheets, and two ess-strain sheets use 90 degree of semibridge system paster methods to fix.
Further, remove greasy dirt and the iron filings on the dynamometer link surface of described jack-up unit spud leg (2) before the ess-strain sheet in described ess-strain sheet group (3) is fixing, after fixing, do water-proofing treatment.
Further, when described acoustic emission sensor group (5) is fixed on described jack-up unit spud leg (2) upper surface, between the emission sensor and described jack-up unit spud leg (2) upper surface of described acoustic emission sensor group (5), fill couplant；
Further, multiple ambient noise signal data that the acoustic emission sensor group (5) that described data acquisition equipment (7) is transmitted by described data process display device (8) transmits completely gather output, obtain final complete effective ambient noise signal data.
Further, multiple environmental load data signals that ess-strain sheet group (3) that described data acquisition equipment (7) is transmitted by described data process display device (8) transmits, respectively according to distance, delta L1 between 3 groups of ess-strain sheets, Δ L2 and Δ L1+ Δ L2, in with once experiment, calculate three groups of different experiments results, obtain the most effective three different environmental load signal datas.
This utility model uses and arranges multiple sensor arrangement simultaneously, once testing i.e. available many group experimental result values, and multiple experimental result can be mutually authenticated, experimental work amount is greatly reduced on the basis of ensureing experimental result reliability, the synchronous acquisition problem of each sensor can be ensured well, by the most complete the collecting of all environmental datas in experimentation, substantially increase the precision that wave loadings experimental data gathers, solve experimental data error in the experiment of current wave loadings big, the problem such as manpower and materials waste.
Accompanying drawing explanation
Fig. 1 is that this utility model system forms schematic diagram.
Detailed description of the invention
Embodiment 1: participate in Fig. 1, a kind of jack-up unit wave loadings experimental data collector, it includes: pond (1), jack-up unit spud leg (2), ess-strain sheet group (3), three shaft vibration acceleration transducers (4), acoustic emission sensor group (5), wave-height sensing device (6), data acquisition equipment (7), data process display device (8).
Described pond (1) is used for simulating the generation ocean wave stream loading environment such as wave, ocean current.
Described jack-up unit spud leg (2) is positioned in pond, for simulating all kinds of platform legs in ocean, and can the multi-direction motion of level in described pond (1) under applied external force.
Described ess-strain sheet group (3) is fixed on the dynamometer link surface of described jack-up unit spud leg (2), environmental load signal suffered by described jack-up unit spud leg (2) during experiments of measuring, and the environmental load signal that in organizing, single ess-strain sheet is gathered, it is sent respectively to described data acquisition equipment (7)；Described ess-strain sheet group (3) includes 3 groups of ess-strain sheets, and often the vertical distance between group ess-strain sheet is unequal, and often group ess-strain sheet is made up of two ess-strain sheets, and two ess-strain sheets use 90 degree of semibridge system paster methods to fix；Remove greasy dirt and the iron filings on the dynamometer link surface of described jack-up unit spud leg (2) before ess-strain sheet in described ess-strain sheet group (3) is fixing, after fixing, do water-proofing treatment.
Described three shaft vibration acceleration transducers (4) are fixed on the dynamometer link bottom position of described jack-up unit spud leg (2), the acceleration of vibration time domain response of described jack-up unit spud leg (2) during experiments of measuring, and the time domain response signal gathered is sent to described data acquisition equipment (7).
Described acoustic emission sensor group (5) is fixed on the upper surface of described jack-up unit spud leg (2), for gathering the ambient noise signal in experimentation, there is provided for later data noise reduction process and support, and the ambient noise signal gathered is sent to described data acquisition equipment (7)；When described acoustic emission sensor group (5) is fixed on described jack-up unit spud leg (2) upper surface, between the emission sensor and described jack-up unit spud leg (2) upper surface of described acoustic emission sensor group (5), fill couplant.
Described wave-height sensing device (6) is fixed in pond, and it is parallel with described jack-up unit spud leg (2), in good time wave height signal during gathering experiments of measuring, and the wave height signal gathered is sent to described data acquisition equipment (7).
Described data acquisition equipment (7) is used for collecting the environmental load data signal that the single ess-strain sheet of described ess-strain sheet group (3) transmits, the time domain response signal that described three shaft vibration acceleration transducers (4) transmit, the ambient noise signal that the single acoustic emission sensor of described acoustic emission sensor group (5) transmits, the wave height signal that described wave-height sensing device (6) transmits, and convert the signals into the form adapting to described data process display device (8), it is sent to described data and processes display device (8).
Described data process display device (8) for the environmental load data signal data after treatment transmitted by described data acquisition equipment (7), time domain response signal data, ambient noise signal data, wave height signal data, after processing further, show.Multiple ambient noise signal data that the acoustic emission sensor group (5) that described data acquisition equipment (7) is transmitted by described data process display device (8) transmits completely gather output, obtain final complete effective ambient noise signal data.Multiple environmental load data signals that ess-strain sheet group (3) that described data acquisition equipment (7) is transmitted by described data process display device (8) transmits, respectively according to distance, delta L1 between 3 groups of ess-strain sheets, Δ L2 and Δ L1+ Δ L2, in with once experiment, calculate three groups of different experiments results, obtain the most effective three different environmental load signal datas.
Claims (6)
1. a jack-up unit wave loadings experimental data collector, it is characterized in that, it includes: pond (1), jack-up unit spud leg (2), ess-strain sheet group (3), three shaft vibration acceleration transducers (4), acoustic emission sensor group (5), wave-height sensing device (6), data acquisition equipment (7), data process display device (8)；
Described pond (1) is used for simulating the generation ocean wave stream loading environment such as wave, ocean current；
Described jack-up unit spud leg (2) is positioned in pond, for simulating all kinds of platform legs in ocean, and can the multi-direction motion of level in described pond (1) under applied external force；
Described ess-strain sheet group (3) is fixed on the dynamometer link surface of described jack-up unit spud leg (2), environmental load signal suffered by described jack-up unit spud leg (2) during experiments of measuring, and the environmental load signal that in organizing, single ess-strain sheet is gathered, it is sent respectively to described data acquisition equipment (7)；
Described three shaft vibration acceleration transducers (4) are fixed on the dynamometer link bottom position of described jack-up unit spud leg (2), the acceleration of vibration time domain response of described jack-up unit spud leg (2) during experiments of measuring, and the time domain response signal gathered is sent to described data acquisition equipment (7)；
Described acoustic emission sensor group (5) is fixed on the upper surface of described jack-up unit spud leg (2), for gathering the ambient noise signal in experimentation, there is provided for later data noise reduction process and support, and the ambient noise signal gathered is sent to described data acquisition equipment (7)；
Described wave-height sensing device (6) is fixed in pond, and it is parallel with described jack-up unit spud leg (2), in good time wave height signal during gathering experiments of measuring, and the wave height signal gathered is sent to described data acquisition equipment (7)；
Described data acquisition equipment (7) is used for collecting the environmental load data signal that the single ess-strain sheet of described ess-strain sheet group (3) transmits, the time domain response signal that described three shaft vibration acceleration transducers (4) transmit, the ambient noise signal that the single acoustic emission sensor of described acoustic emission sensor group (5) transmits, the wave height signal that described wave-height sensing device (6) transmits, and convert the signals into the form adapting to described data process display device (8), it is sent to described data and processes display device (8)；
Described data process display device (8) for the environmental load data signal data after treatment transmitted by described data acquisition equipment (7), time domain response signal data, ambient noise signal data, wave height signal data, after processing further, show.
2. a kind of jack-up unit wave loadings experimental data collector as claimed in claim 1, it is characterized in that: described ess-strain sheet group (3) includes 3 groups of ess-strain sheets, often the vertical distance between group ess-strain sheet is unequal, often group ess-strain sheet is made up of two ess-strain sheets, and two ess-strain sheets use 90 degree of semibridge system paster methods to fix.
3. a kind of jack-up unit wave loadings experimental data collector as claimed in claim 2, it is characterized in that: remove greasy dirt and the iron filings on the dynamometer link surface of described jack-up unit spud leg (2) before the ess-strain sheet in described ess-strain sheet group (3) is fixing, after fixing, do water-proofing treatment.
4. a kind of jack-up unit wave loadings experimental data collector as claimed in claim 1, it is characterized in that: when described acoustic emission sensor group (5) is fixed on described jack-up unit spud leg (2) upper surface, between the emission sensor and described jack-up unit spud leg (2) upper surface of described acoustic emission sensor group (5), fill couplant.
5. a kind of jack-up unit wave loadings experimental data collector as claimed in claim 1, it is characterized in that: multiple ambient noise signal data that the acoustic emission sensor group (5) that described data acquisition equipment (7) is transmitted by described data process display device (8) transmits completely gather output, obtain final complete effective ambient noise signal data.
6. a kind of jack-up unit wave loadings experimental data collector as claimed in claim 1, it is characterized in that: multiple environmental load data signals that ess-strain sheet group (3) that described data acquisition equipment (7) is transmitted by described data process display device (8) transmits, respectively according to distance, delta L1 between 3 groups of ess-strain sheets, Δ L2 and Δ L1+ Δ L2, in with once experiment, calculate three groups of different experiments results, obtain the most effective three different environmental load signal datas.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620212916.8U CN205426231U (en) | 2016-03-18 | 2016-03-18 | Jack -up platform wave current load experiment data acquisition device |
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| CN201620212916.8U CN205426231U (en) | 2016-03-18 | 2016-03-18 | Jack -up platform wave current load experiment data acquisition device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588612A (en) * | 2016-03-18 | 2016-05-18 | 中国海洋大学 | Self-elevating platform wave current loading experimental data acquisition apparatus and method |
| CN106706267A (en) * | 2017-02-28 | 2017-05-24 | 中国海洋大学 | Marine structure wave-current load experimental measuring device in actual marine environment |
| WO2022000528A1 (en) * | 2020-06-29 | 2022-01-06 | 浙江工业大学 | Bridge scouring multi-source monitoring system and monitoring method, and scouring depth evaluation method therefor |
-
2016
- 2016-03-18 CN CN201620212916.8U patent/CN205426231U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588612A (en) * | 2016-03-18 | 2016-05-18 | 中国海洋大学 | Self-elevating platform wave current loading experimental data acquisition apparatus and method |
| CN105588612B (en) * | 2016-03-18 | 2017-12-05 | 中国海洋大学 | A kind of jack-up unit wave loadings experimental data collector and method |
| CN106706267A (en) * | 2017-02-28 | 2017-05-24 | 中国海洋大学 | Marine structure wave-current load experimental measuring device in actual marine environment |
| CN106706267B (en) * | 2017-02-28 | 2024-02-20 | 中国海洋大学 | Ocean structure wave current load experimental measurement device in actual ocean environment |
| WO2022000528A1 (en) * | 2020-06-29 | 2022-01-06 | 浙江工业大学 | Bridge scouring multi-source monitoring system and monitoring method, and scouring depth evaluation method therefor |
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Granted publication date: 20160803 Effective date of abandoning: 20171205 |
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| AV01 | Patent right actively abandoned |