CN105841918A - Self-propelled ship model test device applicable to arbitrary wave direction and application method for the same - Google Patents
Self-propelled ship model test device applicable to arbitrary wave direction and application method for the same Download PDFInfo
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- CN105841918A CN105841918A CN201610158079.XA CN201610158079A CN105841918A CN 105841918 A CN105841918 A CN 105841918A CN 201610158079 A CN201610158079 A CN 201610158079A CN 105841918 A CN105841918 A CN 105841918A
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a self-propelled ship model test device applicable to arbitrary wave direction and an application method for the same, belonging to the technical field of ship and sea engineering wave load testing. The self-propelled ship model test device applicable to arbitrary wave direction and the application method for the same solve the problem in the prior art that the accurate test data cannot be obtained in the self-propelled ship model testing during the arbitrary wave direction. The self-propelled ship model test device comprises a track I, tracks II, tracks III, a universal pedestal and elastic force devices; the universal pedestal is arranged on the bottom ends of the tracks III; the tracks III are arranged in parallel and the quantity of the tracks III is two; the tracks II are arranged in parallel and the quantity of the tracks II is two; the track I and the tracks II are perpendicular to each other and are in the same plane; the tracks III are perpendicular to the plane where the track I and the tracks II are positioned; the tracks III are connected to the track I through a sliding device; two ends of the track I are connected to the two tracks II through the sliding device; the two sides of the ends of the track I are provided with the elastic force devices; one end of the elastic force device is connected to the end of the track I and the other end of the elastic force device is connected to the tracks II. The self-propelled ship model test device applicable to arbitrary wave direction and the application method for the same are applied to the self-propelled model testing.
Description
Technical field
The present invention relates to be suitable for any wave to free sailing model ship experiment test device and using method, belong to Naval Architecture and Ocean Engineering
Seaway load technical field of measurement and test.
Background technology
Ship model experiment is different according to propulsion mode, can be generally divided into towage and boat two kinds certainly.In towage test, the speed of a ship or plane of ship model is
By in towing basin trailer ensure, trailer be furnished with vehicle speed control system with ensure trailer according to schedule speed travel, therefore without
Hull operational configuration in wave is reflected by method, can bring error to result of the test.Study at present and pointed out that towage tries
Radio-frequency component during load can be responded by proved recipe formula increases, and self-propulsion test can reflect the load under real navigation state truly
Lotus feature, and forecast real ship propulsive performance.Therefore, the ships true operational configuration in wave and load character,
It is to use self-propulsion test the most mostly.
Mostly heading sea from boat, but meet with the wave of wave in actual sea situation to the most random, current document rarely has oblique wave to test
Data, it is impossible to the notional result for oblique wave provides test basis, because the problem of oblique wave test maximum is that the driftage of ship model,
Strict restriction driftage can affect test data precision, and has run counter to the purpose of self-propulsion test mode.
Summary of the invention
It is an object of the invention to solve the drawbacks described above that prior art exists, propose one and can collect restriction driftage and measure ship model
Exercise data, and be suitable for any wave to free sailing model ship experiment test device and using method.
The present invention is to use following technical scheme to realize: a kind of be suitable for any wave to free sailing model ship experiment test device, wrap
Including track I, track II, track III, gimballed base and elastic force apparatus, gimballed base is arranged on track III bottom, and track III is flat
Row is provided with two, and track II is arranged with two in parallel, track I and track II vertically and in the same plane, track III and rail
Road I is vertical with track II place plane, and track III is connected with track I by carriage, and the two ends of track I are filled by slip
Putting and be connected with two tracks II, be respectively provided on two sides with elastic force apparatus, elastic force apparatus one end and track I end of track I end connect
Connecing, the other end is connected with track II.
As preferably, described carriage includes that slide block, track II are provided with slide block II, the two ends of track I and slide block II
Fixing connection, track I is provided with slider I, and two slider I that track III is provided with on slider I, track I and track III are solid
Fixed connect or be integral type structure.
As preferably, described carriage includes that roller and rolling wheel support, track I are provided with carriage I, and slide dress
Putting I and include that rolling wheel support II and roller, track III are provided with carriage III, carriage III includes rolling wheel support III and roller,
Rolling wheel support II is fixing with rolling wheel support III to be connected；Track II is provided with carriage II, and carriage II includes rolling wheel support I
And roller, the end of track I is fixing with rolling wheel support I to be connected.
As preferably, gimballed base includes rotating shaft I and rotating shaft II, and the medium position of rotating shaft I and rotating shaft II is fixedly connected on one
Rising, rotating shaft I two ends are connected on bearing block, and bearing block is fixedly mounted on base plate, and four angles of base plate are provided with installing hole, turn
Axle II two ends are connected on hangers, and hangers upper end is connected with track III bottom.
As preferably, the side of track III is provided with scale.
As preferably, track II two ends are provided with crossbeam, and two tracks be arrangeding in parallel II are linked together by crossbeam.
As preferably, described elastic force apparatus is tension spring.
A kind of be suitable for any wave to the using method of free sailing model ship experiment test device, comprise the following steps:
The first step: test device is arranged on pool trailer；
Second step: the gimballed base of track III lower end of test device is fixed on ship model center of gravity both sides；
3rd step: to will the transducer calibration of test tracks III Heaving Signal, clearing；
4th step: manufacture wave, utilize the Heaving Signal of two tracks III of sensor acquisition, can obtain stern bow two by measuring
The root track III distance away from ship model center of gravity, and then heave and the pitching of hull center of gravity can be obtained.
The invention has the beneficial effects as follows:
The present invention integrates restriction driftage and measures ship model exercise data, adapt in different waves to free sailing model ship test, make
Obtaining method of testing more to simplify, the precision of test data is the highest.
Accompanying drawing explanation
Fig. 1 is the structural representation of ship model and test device connection status；
Fig. 2 is ship model schematic top plan view；
Fig. 3 is gimballed base structural representation；
Fig. 4 is that the part of Fig. 3 disassembles schematic diagram；
Fig. 5 is present invention schematic top plan view in embodiment two；
Fig. 6 is present invention left view schematic diagram in embodiment two；
Fig. 7 is the connecting portion schematic diagram of two slide rails.
In figure: 1 track I 2 track II 3 track III 4 slider I 5 slide block II 6 crossbeam 7 elastic force apparatus 8 ship
Mould 9 wooden bearing 10 scale 11 upper junction plate 12 lower connecting plate 13 rotating shaft I 14 rotating shaft II 15 bearing block
16 hangers 17 base plate 18 key 19 rolling wheel support I 20 rolling wheel support II 21 big roller 22 trundles 23 are universal
Base.
Detailed description of the invention
The present invention will be further described below in conjunction with the accompanying drawings.
Embodiment one
Described be suitable for any wave to free sailing model ship experiment test device, including track I 1, track II 2, track III 3, universal
Base 23 and elastic force apparatus 7, gimballed base 23 is arranged on track III 3 bottom, and track III 3 is arranged with two in parallel, track II
2 are arranged with two in parallel, track I 1 and track II 2 vertically and in the same plane, track III 3 and track I 1 and track II 2
Place plane is vertical, and track III 3 is connected with track I 1 by carriage, and two tracks III 3 are respectively positioned on the same of track I 1
Side, the two ends of track I 1 are connected by carriage and two tracks II 2, and the elastic force that is respectively provided on two sides with of track I 1 end fills
Putting 7, elastic force apparatus 7 one end is connected with track I 1 end, and the other end is connected with track II 2.
As it is shown in figure 1, carriage is slide block, track II 2 is provided with slide block II 5, and the two ends of track I 1 are solid with slide block II 5
Fixed connection, thus achieves track I 1 and slides along track II 2；Track I 1 is provided with slider I 4, and track III 3 is provided with
Two slider I 4 on slider I 4, track I 1 and track III 3 are fixed connection or are integral type structure, realize track III 3 with this
Can horizontally slip along track I 1, can slide up and down again.
As shown in Figure 3 and Figure 4, gimballed base 23 includes in rotating shaft I 13 and rotating shaft II 14, rotating shaft I 13 and rotating shaft II 14
Position, portion is fixed together, and rotating shaft II 14 is fixed through rotating shaft I 13 and with key 18.Rotating shaft I 13 two ends are connected to bearing
On seat 15, bearing block 15 is fixedly mounted on base plate 17, and four angles of base plate 17 are provided with installing hole, and rotating shaft II 14 two ends are even
On being connected in the bearing block of hangers 16, hangers 16 upper end is connected with track III 3 bottom.Can also be provided with below track III 3 and turn
Dynamic device, tumbler includes upper junction plate 11 and lower connecting plate 12, passes through axle between upper junction plate 11 and lower connecting plate 12
Linking together, lower connecting plate 12 can rotate, and hangers 16 is connected on lower connecting plate 12, upper junction plate 11 and track III 3
Lower end is fixing to be connected.
As it is shown on figure 3, track III 3 side is provided with scale 10, scale 10 can facilitate staff to demarcate sensor.
As it is shown in figure 1, in order to make two tracks II 2 more stable with the structure that track I 1 forms, be provided with crossbeam at track II 2 two ends
6, two tracks II 2 are linked together by crossbeam 6.
Said apparatus, in free sailing model ship is tested, track I 1, track II 2 and track III 3 ensure that three lines of hull freely
Degree (i.e. surging, swaying and heave), the gimballed base of two tracks III 3 ensure that three degree of angular freedoms of hull are (i.e. rolling, vertical
Shake and yawing).
A kind of be suitable for any wave to the using method of free sailing model ship experiment test device, comprise the following steps:
The first step: be arranged on pool trailer by test device, as it is shown in figure 1, pool trailer will be fixedly mounted on crossbeam 6
On so that device together can move with trailer；
Second step: the gimballed base 23 of track III 3 lower end of test device is fixed on ship model 8 center of gravity both sides, as in figure 2 it is shown,
Will be screwed on the wooden bearing 9 before and after the center of gravity of ship model 8 axis by gimballed base 23, two track III 3 bottoms
Two gimballed bases 23 need after installing to ensure that hull can all around rotate (roll and pitch i.e. ensureing ship)；
3rd step: to will the transducer calibration of test tracks III 3 Heaving Signal, clearing；
4th step: in process of the test, typically only focuses on heave and the pitching signal of hull, manufactures wave, makes movement of ship model, profit
Heaving Signal H with two tracks III 3 of sensor acquisition1And H2, two tracks III 3 of stern bow can be obtained away from ship model 8 by measuring
Distance L of center of gravity1And L2, and then heave and the pitching of hull center of gravity can be obtained, concrete formula is as follows:
Center of gravity heave:
Center of gravity pitching:
When the present invention uses, it is also possible to interpolation obtains heave and the pitching of stem optional position, obtain the ship at slamming test point-
Ripple relative motion, and then calculate the vertical relative velocity of ship-ripple, this device has important actual application value, it is possible to for all kinds of ships
Type and ocean platform carry out oblique wave test.
Carry out any wave to free sailing model ship process of the test in, the setting of elastic force apparatus serves the effect limiting ship model yawing,
The driftage of ship model of this structure also major limitation, the setting of two tracks III 3, limit ship model yawing the most to a certain extent.Bullet
Power apparatus can be tension spring, it is also possible to for carrying rope springy.Preferably, its one end is fixed with track II 2, the other end
Being connected with slide block II 5, the two ends of track I are in the middle of track II.Two elastic force apparatus it are respectively equipped with on the track II 2 of both sides,
When track I 1 is in initial position, elastic force apparatus is in relaxation state, track I 1 is not produced any power, when the raw driftage of ship
Time, slide block II 5 produces pulling force to track II 21 side shifting, such elastic force apparatus side, and side produces thrust, two tracks II
Elastic force apparatus on 2 is in this state, realizes limiting ship model driftage with this.The trade shape size of the present invention can basis
Demand Design, it is not limited to form shown in figure.
Embodiment two
In the present embodiment, the difference with embodiment one is, relatively sliding between embodiment one middle orbit is by slide block, i.e.
By the way of sliding friction, in the present embodiment, the slip between track is by roller, i.e. by the way of rolling friction.
When track width size is relatively big, and the contact surface between slide block and track increases, the connected mode of this slide block will affect test
Precision, change sliding friction is rolling friction, can solve the problems referred to above well.
As shown in Figures 5 to 7, for one preferably embodiment, track I 1 is provided with carriage I, carriage I
Including rolling wheel support II 20 and roller, track III 3 is provided with carriage III, and carriage III includes rolling wheel support III and roller,
Rolling wheel support II 20 is fixing with rolling wheel support III to be connected；Track II 2 is provided with carriage II, and carriage II includes that roller props up
Frame I 19 and roller, the end of track I 1 is fixing with rolling wheel support I to be connected.
As can be known from Fig. 5 and Fig. 6, it is provided with altogether eight big rollings (with reference to the position of Fig. 5) up and down at track II
Wheel 21, these rollers link together by rolling wheel support I 19, are fixed on track II, it is achieved rolling friction.Such as figure
Shown in 7, track I is wider, and the position really playing rail effect is the upper and lower in figure, track I up and down before and after
It is provided with altogether 12 big rollers 21, links together by rolling wheel support II 20, be fixed on track II, it is achieved roll
Friction.At rolling wheel support about II 20 two ends, be welded with the rolling wheel support III of carriage III, carriage III include four little
Roller 22, four trundles 22 link together by rolling wheel support III, form a guide rail rolled, are enclosed within track III 3,
Realize rolling friction, so that structure is more stable, connects in the middle part of rolling wheel support II 20 and have two big rollers 21, clip rail
Road III 3, it is achieved rolling friction.
Remaining is identical with embodiment one.
Certainly, foregoing is only presently preferred embodiments of the present invention, it is impossible to be considered for limiting inventive embodiment scope.
The present invention is also not limited to the example above, and those skilled in the art are made in the essential scope of the present invention
Impartial change and improvement etc., all should belong to patent covering scope of the present invention.
Claims (8)
1. one kind be suitable for any wave to free sailing model ship experiment test device, it is characterised in that: include track I (1), track II
(2), track III (3), gimballed base (23) and elastic force apparatus (7), gimballed base (23) is arranged on track III (3) end
End, track III (3) is arranged with two in parallel, and track II (2) is arranged with two in parallel, track I (1) and track II (2)
Vertically and in the same plane, track III (3) is vertical with track I (1) and track II (2) place plane, track III (3)
Being connected with track I (1) by carriage, the two ends of track I (1) are connected by carriage and two tracks II (2),
Track I (1) end be respectively provided on two sides with elastic force apparatus (7), elastic force apparatus (7) one end is connected with track I (1) end,
The other end is connected with track II (2).
The most according to claim 1 be suitable for any wave to free sailing model ship experiment test device, it is characterised in that: described
Carriage includes that slide block, track II (2) are provided with slide block II (5), and the two ends of track I (1) are fixed with slide block II (5)
Connecting, track I (1) is provided with slider I (4), and track III (3) is provided with slider I (4), track I (1) and track
Two slider I (4) on III (3) are fixed connection or are integral type structure.
The most according to claim 1 be suitable for any wave to free sailing model ship experiment test device, it is characterised in that: described
Carriage includes that roller and rolling wheel support, track I (1) are provided with carriage I, and carriage I includes rolling wheel support II
(20) and roller, track III (3) is provided with carriage III, and carriage III includes rolling wheel support III and roller, and roller props up
Frame II (20) is fixing with rolling wheel support III to be connected；Track II (2) is provided with carriage II, and carriage II includes that roller props up
Frame I (19) and roller, the end of track I (1) is fixing with rolling wheel support I to be connected.
The most according to claim 1 be suitable for any wave to free sailing model ship experiment test device, it is characterised in that: the universal end
Seat (23) includes rotating shaft I (13) and rotating shaft II (14), and the medium position of rotating shaft I (13) and rotating shaft II (14) is fixing even
Being connected together, rotating shaft I (13) two ends are connected on bearing block (15), and bearing block (15) is fixedly mounted on base plate (17)
On, four angles of base plate (17) are provided with installing hole, and rotating shaft II (14) two ends are connected on hangers (16), hangers (16)
Upper end is connected with track III (3) bottom.
The most according to claim 1 be suitable for any wave to free sailing model ship experiment test device, it is characterised in that: track III
(3) side is provided with scale (10).
The most according to claim 1 be suitable for any wave to free sailing model ship experiment test device, it is characterised in that: track II
(2) two ends are provided with crossbeam (6), and two tracks be arrangeding in parallel II (2) are linked together by crossbeam (6).
The most according to claim 1 be suitable for any wave to free sailing model ship experiment test device, it is characterised in that: described
Elastic force apparatus (7) is tension spring.
8. in the claims 1-7 described in any claim be suitable for any wave to free sailing model ship experiment test device
Using method, it is characterised in that: comprise the following steps,
The first step: test device is arranged on pool trailer；
Second step: the gimballed base (23) of track III (3) lower end of test device is fixed on ship model (8) center of gravity both sides；
3rd step: to will the transducer calibration of test tracks III (3) Heaving Signal, clearing；
4th step: manufacture wave, utilize the Heaving Signal of two tracks of sensor acquisition III (3), can obtain stern by measuring
Two tracks of bow III (3) distance away from ship model (8) center of gravity, and then heave and the pitching of hull center of gravity can be obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610158079.XA CN105841918A (en) | 2016-03-18 | 2016-03-18 | Self-propelled ship model test device applicable to arbitrary wave direction and application method for the same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610158079.XA CN105841918A (en) | 2016-03-18 | 2016-03-18 | Self-propelled ship model test device applicable to arbitrary wave direction and application method for the same |
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| CN106289720A (en) * | 2016-08-17 | 2017-01-04 | 上海斯达瑞船舶海洋工程服务有限公司 | The ship model experiment method of multiple-screw vessel |
| CN106323594A (en) * | 2016-11-21 | 2017-01-11 | 董诗晨 | Ship shafting testing device under action of wave force |
| CN106314680A (en) * | 2016-09-23 | 2017-01-11 | 江苏科技大学 | Remote testing system and method for course keeping in ship or ship model wind waves |
| CN106932172A (en) * | 2017-05-08 | 2017-07-07 | 武汉理工大学 | Ship seakeeping experimental rig |
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| CN107219058A (en) * | 2017-04-19 | 2017-09-29 | 集美大学 | A kind of towing basin ship model performance hydrodynamic test equipment |
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| CN106314680A (en) * | 2016-09-23 | 2017-01-11 | 江苏科技大学 | Remote testing system and method for course keeping in ship or ship model wind waves |
| CN106323594B (en) * | 2016-11-21 | 2018-08-31 | 董诗晨 | A kind of marine shafting experimental rig under action of wave force |
| CN106323594A (en) * | 2016-11-21 | 2017-01-11 | 董诗晨 | Ship shafting testing device under action of wave force |
| CN107219058A (en) * | 2017-04-19 | 2017-09-29 | 集美大学 | A kind of towing basin ship model performance hydrodynamic test equipment |
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| CN107776828B (en) * | 2017-09-28 | 2019-04-19 | 哈尔滨工程大学 | A kind of balance attachment device of ship model experiment model |
| CN107782529B (en) * | 2017-10-11 | 2019-07-16 | 哈尔滨工程大学 | A kind of oscillation of ship experiment intelligent measuring and control device |
| CN107782529A (en) * | 2017-10-11 | 2018-03-09 | 哈尔滨工程大学 | A kind of oscillation of ship tests intelligent measuring and control device |
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Application publication date: 20160810 |