CN107757818B - A kind of pull-type intelligence under true environment is with ship measuring device - Google Patents
A kind of pull-type intelligence under true environment is with ship measuring device Download PDFInfo
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- CN107757818B CN107757818B CN201710939609.9A CN201710939609A CN107757818B CN 107757818 B CN107757818 B CN 107757818B CN 201710939609 A CN201710939609 A CN 201710939609A CN 107757818 B CN107757818 B CN 107757818B
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- ship
- measuring device
- ship model
- pull
- rigid connection
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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
- B63B71/00—Designing vessels; Predicting their performance
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The present invention provides the pull-type intelligence under a kind of true environment with ship measuring device, including telescopic rigid connection bracket, ship model hydrodynamic performance measuring device, ship model hydrodynamic performance measuring device is mounted on ship model by connection frame, telescopic rigid connection bracket is arranged on ship model hydrodynamic performance measuring device, the cross sectional shape of rigid connection bracket is T-type, the both ends of the horizontal segment of rigid connection bracket are arranged symmetrically, and there are two rigid circular pipes, and the end of each rigid circular pipe is provided with a high-power quadrotor.The present invention is simple to manufacture, is easy to operate, measurement is accurate, function admirable, is to substitute traditional towing basin to influence the oscillation of ship experiment intelligent measuring and control device of experimental data accuracy due to factors such as scale and experimental enviroments.
Description
Technical field
The present invention relates to the pull-type intelligence under a kind of true environment with ship measuring device, and specifically one kind is to towing
What the equipment that ship model performance parameter is measured in pond was transformed is useful in the ship hydrodynamic performance measurement dress in sea or lake
It sets.
Background technique
Ship model test towing tank is one of the capital equipment of ship performance test, can usually carry out ship model high speed test,
The fluids correlation tests such as the part test project of ship's manoeuverability and sea-keeping.Model test is carried out in towing basin, is dragged
The limitation of pond condition is draged, many errors, such as scale effect, blocking effect, velocity error, water temperature error are inevitably present
Deng.
It when carrying out ship performance test in towing basin, is limited by pond condition, 1. model dimension cannot be too big, can lead
It causes model Reynolds number to differ greatly with real ship, carries out that very big error or even error result can be generated when result conversion；2. pulling water
Pond cross-sectional area is very limited, when ship model moves in pond, will receive the limitation of pool wall and bottom of pond, leads to flow field around ship model
It is different with true waters, generate error；It is by trailer with movement of ship model, if fortune 3. ship model is tested in pond
Residual acceleration or speed in dynamic will lead to ship model speed through water not equal to ground speed, generates error；4. towing basin is general
It build interior in, and is mostly " stagnant water ", altitude temperature difference effect is extremely significant, causes to generate apparent measurement error；5. carrying out sea-keeping
Experiment, usually relies on pond wave maker and artificially manufactures one direction, pseudorandom wave, to simulate the wave in true ocean, with
Practical wave has very big difference, and experimental result is difficult convincing.
Ship hydrodynamic performance test, experimental situation (such as wind, stream, wave) and true nature are carried out in towing basin
Environment is very different, and is influenced by factors such as pond airline, wave maker performance, pond scales, can make measurement data with
Experimental result under true environment has very big difference, or even can completely contradict, and seriously affects the purpose and meaning for carrying out such experiment
Justice.In view of carrying out the limitation of such experiment in towing basin and building the expensive cost of large-scale towing basin, this patent hair
It is intelligent with ship measuring device that a kind of novel pull-type suitable for the true waters such as lake, sea is illustrated.
Summary of the invention
Be simple to manufacture the purpose of the invention is to providing one kind, be easy to operate, measurement is accurate, function admirable, substitution passes
System towing basin influences the pull-type intelligence under the true environment of experimental data accuracy due to factors such as scale and experimental enviroments
It can be with ship measuring device.
The object of the present invention is achieved like this: measuring including telescopic rigid connection bracket, ship model hydrodynamic performance
Equipment, ship model hydrodynamic performance measuring device are mounted on ship model by connection frame, and telescopic rigid connection bracket setting exists
On ship model hydrodynamic performance measuring device, the cross sectional shape for the bracket that is rigidly connected is T-type, the two of the horizontal segment for the bracket that is rigidly connected
There are two rigid circular pipes for end symmetric setting, and the end of each rigid circular pipe is provided with a high-power quadrotor.
The invention also includes structure features some in this way:
1. minimum the distance between the horizontal segment of the rigid connection bracket and ship model deck are 1 meter.
Compared with prior art, the beneficial effects of the present invention are: the device of the invention can be in ocean, lake, large reservoir
Etc. carrying out ship hydrodynamic performance experiment (such as ship resistance and performance experiment, ship seakeeping experiment, ship's manoeuverability in true waters
Experiment etc.).According to experimental technique requirement, ship model principal dimensions and other factors, after comprehensively considering, selection can satisfy experiment sea situation
It is required that waters, determine the power and control system of quadrotor.Pull-type intelligence is in actual water with ship measuring device
Carry out ship hydrodynamic performance experiment under domain, traditional towing basin can be greatly reduced because scale effect, wall constraint etc. are to experiment
As a result the hydrodynamic performances response characteristic of ship model in the natural environment is further studied in influence.
Pull-type intelligence is natural water area with the experimental site of ship measuring device, and the wave met with is made by wind and gravity
With and generate true environment under short-crested wave wave, can analyze ships strong nonlinearity movement with wave load analysis scale effect
Influence；The synergy for comprehensively considering stormy waves stream, the influence to ship navigation performance；The utilization ratio of device is high, Neng Goujin
Row overwhelming majority hydrodynamicangle experiment, comprising: ship resistance and performance experiment, sea-keeping experiment, maneuverability experiment can be carried out for ship
The measurement of correlation in the fine flow field of oceangoing ship, understands propeller exciting force, the scale effect of vacuole in depth, propose it is rationally effective improve with
Solution.
It is compared with corresponding hydrodynamic performance experiment is carried out in pond, pull-type intelligence saves construction with ship measuring device
The expensive devices such as pond airline, four-degree-of-freedom seaworthiness instrument, wave maker；Importantly, the device is tested in true waters
(lake, large reservoir, sea etc.), measurement result is more nearly true value, and confidence level is higher；Also without the concern for pool wall of pool
Effect, ship model scale effect etc. influence；Meanwhile the apparatus structure is reasonable, simple installation, low in cost, test performance is excellent, it is right
Such test is significant.
Detailed description of the invention
Fig. 1 is schematic three dimensional views of the pull-type intelligence of the present invention with ship measuring device；
Fig. 2 is side view of the pull-type intelligence of the present invention with ship measuring device；
Fig. 3 is top view of the pull-type intelligence of the present invention with ship measuring device；
Fig. 4 is rigid frame connection schematic diagram of the pull-type intelligence of the present invention with ship measuring device；
Fig. 5 is rigid support schematic diagram of the pull-type intelligence of the present invention with ship measuring device；
Fig. 6 is quadrotor schematic diagram of the pull-type intelligence of the present invention with ship measuring device；
Description of symbols: 1. ship model main bodys, 2. two high-power quadrotors, 3. scalable rigid connection branch
Frame, 4. ship model hydrodynamic performance measuring devices, 5. connection frames, 6. rigid circular pipes.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing.
In conjunction with Fig. 1 to Fig. 6, pull-type intelligence of the invention includes ship model main body 1, two high-power four with ship measuring device
Rotor craft 2, scalable rigid connection bracket 3, ship model hydrodynamic performance measuring device 4, connection frame 5 and rigid circular pipe 6.It can
Flexible rigid connection internal stent is equipped with hydraulic launching and recovering equipment, can automatic height adjustment, guarantee that rigid support horizontal member is in
At least 1.0 meters above ship model deck.By two high-power quadrotors of remote control apparatus simultaneously operating, guarantee both full
It is full to test middle ship model speed of a ship or plane requirement, while ship model is always along line navigation.4 upper end of measuring device is connect with rigid connection bracket 3
(measuring device and steelframe main body are concentric), lower end are connected by connection frame 5 with the plate at ship model position of centre of gravity.Two high-power four
Rotor craft is connected with rigid connection bracket by intermediate rigid circular pipe 6；Two aircraft are symmetrically mounted on bracket both ends.
The pull-type is intelligently connect (extremely apart from steelframe upper end with the measuring device upper end of ship measuring device with rigid support
It is 1.3 meters few, guarantee that quadrotor works normally), lower end is fixed on ship model position of centre of gravity (apart from ship model by connection frame 6
0.2 meter of bottom plate), hydraulic telescopic machanism is installed in rigid connection internal stent (including horizontal structure and vertical structure), can be according to reality
Border needs, automatic height adjustment, guarantees that experimental implementation is more convenient, experimental result is more accurate.Two frame quadrotors are logical
It crosses rigid circular pipe to be connected with rigid support horizontal ends, being symmetrically mounted on steelframe two sides, (apart from ship model middle line, horizontal position is at least
1.0 meters), the power requirement of aircraft is mainly related with the experiment speed of a ship or plane and principal dimensions of ship model, real according to ship model hydrodynamic performance
Requirement is tested, the quadrotor of suitable scale and power is selected, corresponds to arrangement such as Fig. 1.
Experimentation flies according to related request installation ship model, hydrodynamic parameter measuring device, rigid connection bracket, quadrotor
Row device guarantees that measuring device and rigid support vertical structure are concentric, and rigid connection bracket and ship model deck, bottom plate are vertical；Experiment
Required equipment all installs, while starting two quadrotors, requires four rotation of adjustment according to the ship model speed of a ship or plane in test
The speed of rotor aircraft and direction guarantee that ship model is advanced with straight heading.After a period of time, to ship model course-stability, at the uniform velocity before
Into and when meeting test requirements document, open related hydrodynamic parameter of the device measuring device record ship model along straight ahead when (such as
Resistance, trim, rolling etc.).
In experimentation, measuring device, ship model main body and quadrotor are connected by rigid support, it can be in junction
Biggish stress is generated, for the safety and accuracy for guaranteeing experiment test, need to be reinforced around junction.While in order to
It solves the above problems, the integrated structure of column is made with the rigid connection bracket of ship measuring device in the pull-type intelligence,
As shown in figure 5, to simplify installation and manufacturing process and increase structural strength.
To sum up, it is intelligent with ship measuring device to provide a kind of pull-type by the present invention.It includes ship model main body, two high-power four
Rotor craft, rigid connection bracket, ship model hydrodynamic performance measuring device.The internal stent that is rigidly connected is equipped with intelligent hydraulic liter
Descending mechanism, can need voluntarily to adjust according to ship model principal dimensions height, and lower end position is equipped with measuring device, records corresponding hydrodynamic force
Performance parameter (such as resistance, trim, heave etc.)；Ship model hydrodynamic performance measuring device upper end is connect with rigid support, lower end
It is connected with ship model；The factors such as the speed of a ship or plane, sea situation requirement that two frame quadrotors are needed according to ship model principal dimensions, experiment, it is comprehensive
Best power range is chosen after consideration, carries out corresponding ship model hydrodynamic performance experiment.Pull-type intelligence with ship measuring device be
True waters (such as lake, large reservoir, sea) carries out related hydrodynamic performance experiment, and progress is corresponding in towing basin
Experiment is compared, and is saved and is built the expensive devices such as pond airline, four-degree-of-freedom seaworthiness instrument, wave maker；Importantly, pull-type
Intelligence with ship measuring device is tested in true waters, and experimental result is more nearly true value, and confidence level is higher；It does not need yet
Consider that pool wall of pool effect, ship model scale effect etc. influence；Meanwhile the apparatus structure is reasonable, simple installation, low in cost, survey
Function admirable is tried, it is significant to such test.
Claims (2)
1. the pull-type intelligence under a kind of true environment is with ship measuring device, it is characterised in that: including telescopic rigid connection
Bracket, ship model hydrodynamic performance measuring device, ship model hydrodynamic performance measuring device are mounted on ship model by connection frame, can be stretched
The rigid connection bracket of contracting is arranged on ship model hydrodynamic performance measuring device, and the cross sectional shape for the bracket that is rigidly connected is T-type, just
Property connecting bracket the both ends of horizontal segment be symmetrical arranged there are two rigid circular pipe, the end of each rigid circular pipe is provided with one
High-power quadrotor, telescopic rigid connection internal stent are equipped with intelligent hydraulic elevating mechanism, can be according to ship model master
Scale needs voluntarily to adjust height.
2. the pull-type intelligence under a kind of true environment according to claim 1 is with ship measuring device, it is characterised in that: institute
It is 1 meter that it is minimum, which to state the distance between horizontal segment and ship model deck of rigid connection bracket,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710939609.9A CN107757818B (en) | 2017-10-11 | 2017-10-11 | A kind of pull-type intelligence under true environment is with ship measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710939609.9A CN107757818B (en) | 2017-10-11 | 2017-10-11 | A kind of pull-type intelligence under true environment is with ship measuring device |
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| Publication Number | Publication Date |
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| CN107757818A CN107757818A (en) | 2018-03-06 |
| CN107757818B true CN107757818B (en) | 2019-09-27 |
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| CN201710939609.9A Active CN107757818B (en) | 2017-10-11 | 2017-10-11 | A kind of pull-type intelligence under true environment is with ship measuring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114132451B (en) * | 2021-11-29 | 2023-02-14 | 哈尔滨工程大学 | Multi-degree-of-freedom positioning auxiliary device for ship model towing tank |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206945257U (en) * | 2016-05-10 | 2018-01-30 | 中国人民解放军海军工程大学 | Model speed and stress synchronized measurement system for the identification of ship model hydrodynamic force coefficient |
| CN106428414A (en) * | 2016-09-13 | 2017-02-22 | 江苏科技大学 | Ship model pitching, heaving and coupling motion remote test system and test method |
| CN106890456A (en) * | 2017-02-13 | 2017-06-27 | 深圳市龙云创新航空科技有限公司 | A kind of modular event driven component and built-up pattern |
| CN107014586B (en) * | 2017-04-26 | 2019-09-27 | 哈尔滨工程大学 | Intelligence is with ship seaworthiness instrument |
| CN107036784A (en) * | 2017-04-26 | 2017-08-11 | 哈尔滨工程大学 | Cable type intelligence seaworthiness instrument apparatus |
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