CN107207079A - Swing reducer and possess the floating body of the device - Google Patents
Swing reducer and possess the floating body of the device Download PDFInfo
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- CN107207079A CN107207079A CN201580075966.4A CN201580075966A CN107207079A CN 107207079 A CN107207079 A CN 107207079A CN 201580075966 A CN201580075966 A CN 201580075966A CN 107207079 A CN107207079 A CN 107207079A
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- floating body
- plate portion
- corner
- wave
- swing
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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
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
- B63B39/06—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Vibration Prevention Devices (AREA)
Abstract
One kind is provided and swings reducer, it can reliably be obtained by simple structure weakens the effect that floating body is swung, and resistance, which increases and will not hindered, when suppressing towage floating body pulls in shore.Have：Plate portion (20), configured, and used with the state protruding outside towards the side of floating body (1) (4) in the way of separating gap (7) with the corner (6) of bottom surface (3) in the side (4) of floating body (1)；And support (30A), supporting board (20), the face (22a) upward of plate portion (20), which is collected, to be entered the current of side (4) from the foreign side of side (4) because of the pushing away wave of wave and is directed to gap (7), the face directed downwardly (22b) of plate portion (20) prevents to go to the current of foreign side from bottom surface (3) because of the backrush of wave wave, support (30A) has movable agency (32A), the movable agency (32A) makes plate portion (20) be moved using position and plate portion (20) is accommodated between recess (3A) reception position, the recess (3A) is formed at the vicinity in the corner (6) of floating body (1).
Description
Technical field
The present invention relates to be equipped on the swing reducer of floating body and possess the floating body of the device.
Background technology
In recent years, as the marine equipment in ocean, lake, river etc., it is widely used floating structure (following, also letter
Referred to as floating body).This floating body is for example including various operation ships, drilling ship, oil production platforms, floating landing stage, suspension warehouse, suspension
Parking lot etc..Floating body therefore can simplify structure due to that need not set pillar at the bottom, but then, due to wave to
Floating body is incident and is allowed to swing, it is therefore desirable to weaken the swing of the floating body.
The wave exciting moment that yaw of the floating body in wave is produced by wave triggers.Common floating body is difficult to ensure that fully
The motion for the yaw direction that decays, therefore, the amplitude swung when wave period is near the natural period become big.Therefore, propose in the past
Cross the various technologies (for example, 1~patent document of patent document 4) for the swing for weakening floating body.
Following technology has been recorded in patent document 1：The suspension plate within away from seabed predetermined distance, is expected that by acting on plate
Fluid force increase additional mass and viscous damping forces, weakened with being intended to realize to swing.
Following technology has been recorded in patent document 2：In the light incident side side of the wave of floating body, the advance towards wave is set up
Direction upstream side is inclined, near water line from floating body to the hang plate near lower surface depth, be intended to by inclined plane come real
Now swing and weaken.
Following technology has been recorded in patent document 3：In the sidepiece lower end of the light incident side of wave, being reserved between floating body to lead to
Configure the lamina perpendicularis extended downwards from the bottom surface of floating body water spacer, and make lamina perpendicularis can deflection, be intended to by the inclined of lamina perpendicularis
Tiltedly weaken to realize to swing.
Following technology has been recorded in patent document 4：The ratio between length and width relative to box-shaped floating body, set box-shaped floating body
Width with drinking water the ratio between, thus reduce wave force influence be intended to realize swing weaken.
Prior art literature
Patent document
Patent document 1：Japanese Patent No. 4798573
Patent document 2：Japanese Patent No. 4022973
Patent document 3：Japanese Patent No. 3697091
Patent document 4：Japanese Patent No. 3198698
The content of the invention
Problems to be solved by the invention
But, the technology of patent document 1 is not easy the arrangement operation at sea carrying out swinging reducer.Patent document 2
Technology there is following hidden danger：Because the side lower of floating body is more prominent than the part of water line, therefore, when floating body pulls in shore,
Protuberance can be hindered near the water line of floating body and pulled in shore.There is following hidden danger in the technology of patent document 3：Lamina perpendicularis is in towage floating body
When can act on into obstruction body.In addition, the technology of patent document 1~3 easily makes swing reducer maximize.Patent document 4
Technology can make the shape of floating body in itself the setting free degree reduction.
The present invention is intended to solve the problem, its object is to provide a kind of floating body for swinging reducer and possessing the device,
The swing reducer need not make larger-scale unit, and the effect for the swing for weakening floating body can be reliably obtained by simple structure
Really, and resistance increase when can suppress towage floating body, and it will not hinder and pull in shore.
Technical scheme
(1) to achieve these goals, swing reducer of the invention is characterised by having：Plate portion, in floating body
The corner of side and bottom surface configures cardinal extremity in the way of separating gap with the corner, and so that top is nearby towards described floating
The state protruding outside of the side of body is used；And support, it is incorporated into the floating body and supports the plate portion, the plate portion
Face upward as collecting because pushing away for wave will enter the current of the side from the foreign side of the side wave and be led
To the guide surface function in the gap, the face directed downwardly of the plate portion is as preventing because the backrush of wave wave will be described in
The obstruction face function of the current of the foreign side is gone in bottom surface, and the support has movable agency, and the movable agency makes
The plate portion using position and is being accommodated between the reception position of recess and moved by the plate portion, and the recess is formed at described
The vicinity in the corner of floating body.
(2) preferably, the movable agency has：Linkage component, be rotatably installed on the plate portion with it is described recessed
Between the wall portion in portion；And telescopic transmission device, with the linkage component side by side located at the plate portion and the wall portion of the recess
Between.
(3) preferably, the plate portion has the outer surface of following shape in the reception position, and the shape is along formation
There is the shape of the external surface shape of the floating body around the housing portion of the recess.
(4) preferably, the plate portion is tabular, is used in the use position with the state towards level, and in institute
The external surface shape for stating floating body is formed as plane position and is configured with the housing portion.
(5) preferably, the plate portion is tabular, in the use position so that towards the side of the floating body near top
The outside in face and the state of inclined downward are used, and are formed as plane position in the external surface shape of the floating body and are configured with
The housing portion.
(6) preferably, the plate portion is formed as having from the vicinity in the corner to the floating body in the use position
Side outside obliquely downward extension rake and the vertical portion that bends and extend to vertical lower section from the rake
Curved shape, and it is configured with the housing portion in the corner in curved shape of the floating body.
(7) preferably, the size in the base portion of the plate portion and the gap in the corner be set to it is smaller, so as to by institute
State plate portion upward face guiding and from the gap enter the bottom surface current the bottom surface the corner vicinity
Region forms high speed laminar flow.
(8) preferably, total length of the plate portion throughout the side of the floating body is set.
(9) floating body of the invention is characterised by, the corner with side with bottom surface, and is equipped with the corner above-mentioned
Swing reducer.
(10) preferably, it is described to swing the side that reducer is respectively arranged at the both sides of the floating body.
Beneficial effect
According to the swing reducer of the present invention, the face upward of plate portion is as guide surface function, to because of wave
The current for pushing away wave and entering side from the foreign side of side are collected and are directed to the base portion of plate portion and the gap in corner, because
This, the line set of current one is in gap while accelerating and from the gap into the underface of bottom surface.Because current flow along bottom surface at high speed
It is dynamic, therefore suction function, in the bottom of the bottom surface of adjacent corner, the mode that the bottom surface of adjacent corner is pulled into lower section is acted on
Floating body.Push away wave and act on floating body in the way of side is increased, still, above-mentioned negative pressure is acted on floating in the way of being offset
Body, therefore, it is suppressed that the swing that floating body is produced because pushing away wave.
In addition, the face directed downwardly of plate portion is as face function is hindered, prevent to go to from bottom surface because of the backrush of wave wave
The current of foreign side, therefore, current push obstruction face, and the mode that the bottom surface of adjacent corner pushes top to is acted on into floating body.Return
Plunging breaker acts on floating body in the way of declining side, still, and the power in the pushing obstruction face produced by above-mentioned current is to be supported
The mode disappeared acts on floating body, therefore, it is suppressed that the swing that floating body is produced by backrush wave.
In addition, by movable agency, plate portion can be made to be moved from using position to reception position, therefore, in towage floating body
When, plate portion can be stored and plate portion is not acted on into obstruction body, successfully towage can floated in the way of not causing oil consumption to deteriorate
Body.In addition, using position plate portion due to towards it is sideways protruding outside and hinder pull in shore, but it is possible to by storing plate portion
And floating body is pulled in shore without barrier.
Brief description of the drawings
Fig. 1 is to represent the swing reducer of the embodiments of the present invention and possess the stereogram of the floating body of the device.
Fig. 2A~Fig. 2 D are cuing open for the floating body of the operation principle for the swing reducer for illustrating the embodiments of the present invention
View, Fig. 2A is the figure of the swing for the floating body for illustrating the unequipped present apparatus, and Fig. 2 B~Fig. 2 D are the operation principles for illustrating the present apparatus
Figure.
Fig. 3 A, Fig. 3 B are the figures of the composition for the swing reducer for representing the first embodiment of the present invention, and Fig. 3 A are tables
Show that stabilizer (plate portion) is in the sectional view of the floating body of the state of reception position, Fig. 3 B represent that stabilizer is in and use position
The sectional view of the floating body of state.
Fig. 4 A~Fig. 4 C are the figures of the composition for the swing reducer for representing second embodiment of the present invention, and Fig. 4 A are tables
Show that stabilizer (plate portion) is in the sectional view of the floating body of the state of reception position, Fig. 4 B, Fig. 4 C are to represent that stabilizer is in use
The sectional view of the floating body of the state of position.
Fig. 5 A, Fig. 5 B are the figures of the composition for the swing reducer for representing third embodiment of the present invention, and Fig. 5 A are tables
Show that stabilizer (plate portion) is in the sectional view of the floating body of the state using position, Fig. 5 B represent that stabilizer is in reception position
The sectional view of the floating body of state.
Fig. 6 is the sectional view of the shape for the stabilizer (plate portion) for illustrating each embodiment.
Fig. 7 is the sectional view of the shape for the stabilizer (plate portion) for illustrating the 3rd embodiment.
Embodiment
Hereinafter, embodiments of the present invention are illustrated referring to the drawings.
It should be noted that in the following description, vertical top is set to above, vertical lower section is set to down or
Lower section, in the side of floating body, is set to interior side or inner side, by its phase by the direction of the center line in the width center towards floating body
Toss about, the direction away from center line is set to foreign side or outside to illustrate.
Each embodiment as shown below is only illustrated after all, it is not intended to excluded in the following embodiment of application not
Various modifications, the technology expressed.Each composition of implementation below can carry out various in the range of its technical spirit is not departed from
Deform to implement and choice selection can be carried out as needed, or can be combined as.
(summary for swinging reducer)
First, reference picture 1, Fig. 2 (Fig. 2A~Fig. 2 D) illustrate the summary of the swing reducer of each embodiment.
Fig. 1 is the stereogram for being equipped with the floating body (floating structure) for swinging reducer for representing each embodiment.Such as
Shown in Fig. 1, floating body 1 be formed as with upper surface part (upper surface) 2, lower surface portion (lower surface) 3, both sides facial (side) 4,4,
And the box (approximately parallelepiped body) of facial (end face) 5,5 in two ends.Weaken here it is shown that being equipped with swing in both sides face 4,4
The example of device 10.
As shown in Figure 1, Figure 2 shown in A~Fig. 2 D, swing reducer 10 and possess stabilizer (plate portion) 20, the stabilizer 20 is in Fig. 1
It is middle to omit, supported by the support for being incorporated into floating body 1.The stabilizer 20 the side 4 of floating body 1 and bottom surface 3 corner 6 with
The mode that corner 6 separates gap 7 configures cardinal extremity 21, and so that the state that top is nearby protruded towards the laterally outside of floating body 1 makes
With.In this embodiment, stabilizer 20 is formed as tabular, and horizontal arrangement.
The face 20a upward of stabilizer 20 enters as pushing away unrestrained and from side 4 the foreign side collected because of wave towards sideways 4
Current and be directed to the guide surface function in gap 7.
Therefore, the size in gap 7 preferably sets smaller, so as to by stabilizer 20 upward face 20a guiding and from
Gap 7 enters near zone of the current of the underface of bottom surface 3 in the corner 6 of bottom surface 3 and forms high speed laminar flow.
In addition, the face 20b directed downwardly of stabilizer 20 goes to the water of foreign side as prevention because of the backrush of wave wave from bottom surface 3
The obstruction face function of stream.
For example, in fig. 2, when pushing away wave and pushing side 4 to from side (being left in Fig. 2A), sky as shown in Figure 2 A
Heart arrow, the wave exciting moment M1 turned clockwise puts on floating body 1, if not possessing swing reducer 10, floating body 1
Produce yaw.
In contrast to this, as shown in Figure 2 B, when swinging reducer 10 in the equipment of floating body 1, the guide surface 20a of stabilizer 20
Collect and enter the current of side 4 from the foreign side of side 4 because of the pushing away wave of wave, and be directed to base portion 21 and the angle of stabilizer 20
The gap 7 (reference picture 2D) in portion 6.As shown in single lined arrows, the line set of current one is in gap 7 while accelerating and entering from gap 7
The underface of bottom surface 3, therefore current are while the edge bottom surface 3 of laminar flow one for forming high speed is flowed.Thus, suction function is in corner 6
The bottom of neighbouring bottom surface 3, the power F1 that the bottom surface 3 near corner 6 is drawn downwards acts on floating body 1.Power F1 is to offset ripple
Unrestrained disturbing moment M1 mode is acted on, therefore the swing for inhibiting floating body 1 to be produced because pushing away wave.
In addition, as shown in Figure 2 C, the current for going to foreign side from bottom surface 3 because of the backrush of wave wave, stabilizer 20
Obstruction face 20b turns into the resistance for preventing the current, therefore current are pushed as shown in single lined arrows near obstruction face 20b, corner 6
The lower section of the bottom surface 3 of (reference picture 2D) is changed into high pressure, and the power F2 that bottom surface 3 is pushed away upward is acted on into floating body 1.Rotate counterclockwise
Wave exciting moment M2 puts on floating body 1 by backrush wave, and power F2 is acted in the way of offsetting wave exciting moment M2, therefore suppression
The swing that floating body 1 is produced by backrush wave is made.
I.e., as shown in Figure 2 D, reducer 10 is swung for because pushing away wave for wave will be from the foreign side of side 4 towards sideways
The 4 current WF1 entered, current WF1 are collected by the guide surface 20a of stabilizer 20 and by it from the guide floor 3 of gap 7
Underface, for go to the current WF2 of foreign side from bottom surface 3 because of the backrush of wave wave, passes through the obstruction face 20b of stabilizer 20
To prevent current WF2 from being flowed out from gap 7.
In this way, either for pushing away wave or for backrush wave, all being made in the way of eliminating each wave exciting moment M1, M2
With power F1, F2 produced by current, the swing of floating body 1 is weakened.
Following each embodiment is the swing reducer of the stabilizer 20 with the swing for so weakening floating body 1,
Characterized in that, stabilizer 20 is movably formed in using position and is accommodated in the reception position being formed in the recess of floating body 1
Between.
<First embodiment>
First, the swing reducer 10A of the first embodiment of the present invention is illustrated.As shown in Fig. 3 A, Fig. 3 B,
Swing reducer 10A is only equipped on the side 4 of the side of floating body 1, and with stabilizer 20 and is incorporated into floating body 1 and supports
The support 30A of stabilizer 20.It should be noted that floating body 1 will be equipped with swinging the side 4 of reducer 10A side with
Configure and used by tying down towards the mode for the off-lying sea for bringing wave.
Stabilizer 20 is as described above, using outside and direction of the position from the vicinity in corner 6 towards the side 4 of floating body 1
Horizontal arrangement, but it is also possible to be arranged obliquely towards 4 outside sideways and obliquely downward.
The face 20a upward of stabilizer 20 enters as pushing away unrestrained and from side 4 the foreign side collected because of wave towards sideways 4
Current and be directed to the guide surface function in gap 7, the face 20b directed downwardly of stabilizer 20, which is used as, prevents returning because of wave
Plunging breaker and the obstruction face function that the current of foreign side are gone to from bottom surface 3.
The stabilizer 20 extends to the length direction (bearing of trend in corner 6) of floating body 1, throughout the length direction of floating body 1
Total length or substantially endlong set length.Stabilizer 20 is at multiple positions of length direction, such as near both ends with
Between these three positions of portion, or near both ends and pars intermedia multiple positions, supported by support 30A.Here, stabilizer 20
The total length or a substantially stabilizer of full length throughout floating body 1 are employed, but can also be by stabilizer 20 in length
Direction be divided into it is multiple constitute, and respectively supported in the manner by support 30A.
Support 30A, which has, makes stabilizer 20 using position and the recess 3A for being accommodated in the bottom surface 3 for being formed at floating body 1
The movable agency 32A moved between reception position.
Movable agency 32A has the upper surface for being rotatably clipped on stabilizer 20 and is formed at the bottom surface 3 of floating body 1
Linkage component 32 between recess 3A wall portion and with linkage component 32 side by side located at the upper surface of stabilizer 20 with recess 3A's
Hydraulic cylinder (telescopic transmission device) 31A between wall portion.
When shrinking hydraulic cylinder 31A, stabilizer 20 is accommodated in recess 3A, under the reception position, stabilizer 20
Surface is located on the same face with bottom surface 3.That is, stabilizer 20 has the outer surface of following shapes, and the shape is that edge is formed with recess
The shape of the external surface shape of floating body 1 around 3A housing portion.When extending hydraulic cylinder 31A, stabilizer 20 is from recessed
It is prominent in portion 3A, and it is set in the use position for being slightly offset lower section than bottom surface 3 and being protruded outward from side 4.In hydraulic cylinder
31A equips restricted flexible locking mechanism, in reception position and uses position, and stabilizer 20 is kept by the locking mechanism
Position.
The swing reducer 10A of the first embodiment of the present invention is constituted as described above, therefore, swings reducer
10A as shown in Figure 3 B, extends movable agency 32A hydraulic cylinder 31A when in use, and stabilizer 20 is set in into defined use
Position, and fixed by hydraulic cylinder 31A locking mechanism.Thus, as described above, can by swing reducer 10A come
Obtain the decrease swing effect of floating body 1.
On the other hand, as shown in Figure 3A, in towage floating body 1, when it is pulled in shore, movable agency 32A hydraulic cylinder 31A is made
Shrink, stabilizer 20 is accommodated in the reception position in recess 3A.In this condition, the lower surface due to stabilizer 20 and bottom surface
3 are located on the same face, therefore in towage floating body 1, and stabilizer 20 will not act on into obstruction body, can be not cause oil consumption to deteriorate
Mode successfully towage floating body 1.
In addition, using the stabilizer 20 of position due to hindering and pulling in shore towards 4 protruding outside of side, but be due to by
Stabilizer 20 can be accommodated in the reception position in recess 3A, therefore, it is possible to make floating body 1 pull in shore without barrier during bank.
In addition, in the present embodiment, because the equipment of side 4 only in the side of floating body 1 swings reducer 10A, because
This can suppress the setup cost for swinging reducer 10A.It is of course also possible to equip pendulum in the side 4 of the both sides of floating body 1 respectively
Dynamic reducer 10A, making the either side 4 of floating body 1 can use towards ocean surface side.
<Second embodiment>
Then, second embodiment of the present invention is illustrated.In the present embodiment, as shown in Fig. 4 A figures~4C,
The swing reducer 10A same with first embodiment is equipped on the side 4 of the both sides of floating body 1 respectively.Due to each side 4
Swing reducer 10A is symmetric shape and is same structure, therefore omits the description.
The swing reducer 10B of second embodiment of the present invention is constituted as described above, therefore, such as Fig. 4 B or Fig. 4 C
It is shown, it is same with first embodiment, by by the stabilizer 20 of required side 4 be located at as defined in use position, can obtain
Obtain the swing abated effect of floating body 1.
In addition, as shown in Figure 4 A, in towage floating body 1, when it is pulled in shore, movable agency 32A is worked and store all
Stabilizer 20.Thus, in towage floating body 1, can in the way of not causing oil consumption to deteriorate successfully towage floating body 1, floating
When body 1 pulls in shore, floating body 1 can be made to pull in shore without barrier.
<3rd embodiment>
Then, the swing reducer 10B of third embodiment of the present invention is illustrated.The swing reducer
10B is compared with first and second embodiment, and stabilizer 20B shape is different, in addition, the housing portion of floating body 1 is different.
That is, as shown in Figure 5A, the stabilizer 20B of present embodiment is had from the attached of corner 6 at it using position
The proximad rake 22 and tip flexion from rake 22 of the obliquely downward extension in the outside of the side 4 of floating body 1 and under vertical
Fang Yanshen vertical portion 23.Moreover, separating the ground of gap 7 configuration cardinal extremity 21 with corner 6.
Moreover, movable agency 32B, which has, is rotatably clipped on the recessed of corner 6 of the stabilizer 20 with being formed at floating body 1
Bent connecting rod part 33 between portion 3B wall portion；And with bent connecting rod part 33 side by side located at stabilizer 20 and recess 3b's
Hydraulic cylinder (telescopic transmission device) 31B between wall portion.
As shown in Figure 5 B, when shrinking hydraulic cylinder 31B, stabilizer 20 is accommodated in recess 3B, in the reception position, surely
The rake 22 and the outer surface of vertical portion 23 for determining device 20 are located substantially on the same face with the outer surface in corner 6.Such as Fig. 5 A institutes
Show, when extending hydraulic cylinder 31B, stabilizer 20 is prominent out of recess 3B, and be set in than bottom surface 3 be slightly offset lower section and from
The 4 use position protruded outward sideways.Be also equipped with the flexible locking mechanism of limitation in hydraulic cylinder 31B, in reception position and
Using position, the position of stabilizer 20 is kept by the locking mechanism.
In addition, in the face upward of the stabilizer 20B using position (that is, towards the oblique outside of rake 22 upward
Face) 22a as collect because wave pushing away wave and from side 4 foreign sides towards side 4 enter current and be directed to gap 7
Guide surface function.
Therefore, the size in gap 7 preferably sets smaller, so as to by stabilizer 20 upward face 22a guiding and from
Gap 7 enters near zone of the current of the underface of bottom surface 3 in the corner 6 of bottom surface 3 and forms high speed laminar flow.
In addition, in the face directed downwardly of the stabilizer 20B using position (that is, towards the directed downwardly of the oblique inner side of rake 22
Face) 22b and vertical portion 23 direction on the inside of face 23b be used as the water for preventing to go to foreign side from bottom surface 3 because of the backrush of wave wave
The obstruction face function of stream.
The swing reducer 10B of third embodiment of the present invention is constituted as described above, therefore, as shown in figure 5, with
First embodiment is same, can be by obtaining swing reducer 10B bands using position as defined in stabilizer 20B is located at
The swing abated effect of the floating body 1 come.
In addition, as shown in Figure 5 B, in towage floating body 1, when it is pulled in shore, make movable agency 32B hydraulic cylinder 31B works
Make, and stabilizer 20 is accommodated in the reception position in recess 3B.In this condition, stabilizer 20B outer surface and floating body 1
The outer surface in corner 6 is located substantially on the same face.That is, stabilizer 20B has the outer surface of following shapes, and the shape is along formation
There is the shape of the external surface shape of floating body 1 around recess 3B housing portion.Therefore, in towage floating body 1, stabilizer
Resistance caused by 20B mitigates, successfully towage floating body 1 while can deteriorating suppressing oil consumption.
In addition, using the stabilizer 20B of position due to being pulled in shore towards 4 protruding outside of side thus can hinder, but
When pulling in shore, due to the reception position that can be accommodated in stabilizer 20B in recess 3B, therefore, it is possible to without barrier lean on floating body 1
Bank.
It should be noted that in the present embodiment, it is same with first embodiment, reducer 10B will be swung and only set
Put in the side 4 of the side of floating body 1, but it is also possible in the same manner as second embodiment will swing reducer 10B be arranged on it is floating
The side 4,4 of the both sides of body 1.
(shape of stabilizer and configuration)
Here, being illustrated on the shape of stabilizer and configuration.
Fig. 6 is that contrast shows the side for declining the flat stabilizer 20 of first and second embodiment slightly with outside
Formula than state that level is more obliquely used cross sectional view and the 3rd embodiment stabilizer 20B use state
Cross sectional view.
It is bigger that stabilizer 20B swing weakens effect, but in the case of stabilizer 20, due to towards the outer of stabilizer 20
The overhang of side diminishes, therefore has the advantages that easily to constitute the mechanism for storage.
Here, being further described on stabilizer 20B shape and configuration.
As it was previously stated, stabilizer 20B has in its outside using position from from the vicinity in corner 6 to the side 4 of floating body 1
The rake 22 of obliquely downward extension and the tip flexion from rake 22 and the vertical portion 23 extended to vertical lower section.
In terms of cross sectional shape, confirm through testing (simulation), the pendulum of this structure with rake 22 and vertical portion 23
The dynamic effect that weakens is maximum, also, the optimum value of the size of each several part etc. is confirmed by testing (simulation).
Here, as shown in fig. 7, the water surface depth of floating body 1 is set into d, stabilizer will be made on the basis of the bottom surface 3 of floating body 1
20 cardinal extremity 21 be set as relative to the vertical direction position of floating body 1 it is downward on the occasion of s, will be steady on the basis of the side 4 of floating body 1
The cardinal extremity 21 for determining device 20 is set as towards the center of floating body 1 on the occasion of x0 relative to the horizontal direction position of floating body 1, by rake
22 length is set to b, and rake 22 is set into θ relative to vertical angle of inclination, the length of vertical portion 23 is set into h.
It is to be used as the parameter for swinging decrease excellent that these parameters are made with various changes to be tested the result of (emulation)
Value is derived values below.
[table 1]
It is therefore preferable that this shape and configuration.
[other]
More than, embodiments of the present invention are illustrated, but the present invention can not depart from the scope of its technical spirit
Inside suitably change or combine and implement related embodiment.
For example, stabilizer 20,20B cross sectional shape, configuration are set as specific shape in the respective embodiments described above,
But stabilizer 20,20B cross sectional shape, configuration not limited to this.
As long as the stabilizer that stabilizer is at least constituted as follows：Separate and configure with gap with the corner of floating body
Cardinal extremity, and so that protruding outside state of the top nearby towards the side of floating body is used, the face upward of stabilizer is made
To collect the guide surface performance work(that enter the current of side from the foreign side of side because of the pushing away wave of wave and be directed to gap
Can, the face directed downwardly of stabilizer is played as the obstruction face for the current for preventing to go to foreign side from bottom surface because of the backrush of wave wave
Function.
Symbol description
1 floating body
2 upper surface parts (upper surface)
3 lower surface portions (lower surface)
4 side surface parts (side)
5 end face portions (end face)
10th, 10A, 10B swing reducer
20th, 20B stabilizers (plate portion)
21 stabilizers 20,20B cardinal extremity
22 rakes
The face (guide surface) upward of 22a rakes 22
The face directed downwardly (obstruction face) of 22b rakes 22
23 vertical portions
Face (obstruction face) on the inside of the direction of 23b vertical portions 23
30A, 30B support
31A, 31B hydraulic cylinder (telescopic transmission device)
32A, 32B movable agency
31st, 33 linkage component
Claims (10)
1. one kind swings reducer, it is characterised in that have：Plate portion, the side of floating body and bottom surface corner by cardinal extremity with
The mode for separating gap with the corner is configured, and so that top is nearby towards the state protruding outside of the side of the floating body
Use；And
Support, is incorporated into the floating body and supports the plate portion,
The face upward of the plate portion is as collecting because pushing away for wave will enter the side wave from the foreign side of the side
Current and the guide surface function for being directed to the gap,
The face directed downwardly of the plate portion will go to the current of the foreign side because of the backrush of wave wave as prevention from the bottom surface
Obstruction face function,
The support has a movable agency, the movable agency make the plate portion using position with the plate portion is accommodated in
Moved between the reception position of recess, the recess is formed at the vicinity in the corner of the floating body.
2. swing reducer according to claim 1, it is characterised in that
The movable agency has：Between linkage component, the wall portion for being rotatably installed on the plate portion and the recess；With
And telescopic transmission device, it is located at side by side between the plate portion and the wall portion of the recess with the linkage component.
3. swing reducer according to claim 1 or 2, it is characterised in that
The plate portion has the outer surface of following shape in the reception position, and the shape is along being formed with the recess
The shape of the external surface shape of the floating body of the housing portion of surrounding.
4. swing reducer according to claims 1 to 3, it is characterised in that
The plate portion is tabular, is used in the use position with the state towards level, and in the outer surface of the floating body
It is shaped so as to plane position and is configured with the housing portion.
5. swing reducer according to claims 1 to 3, it is characterised in that
The plate portion be tabular, in the use position so that near top towards the side of the floating body outside and lower section
Inclined state is used, and is formed as plane position in the external surface shape of the floating body and is configured with the housing portion.
6. swing reducer according to claims 1 to 3, it is characterised in that
The plate portion is formed as the outside of the side to the floating body with the vicinity from the corner in the use position
The curved shape of the rake of obliquely downward extension and the vertical portion for bending and extending to vertical lower section from the rake, and
The corner in curved shape of the floating body is configured with the housing portion.
7. according to swing reducer according to any one of claims 1 to 6, it is characterised in that
The size in the base portion of the plate portion and the gap in the corner be set to it is smaller, so as to by the plate portion upward
Face guides and enters near zone of the current of the bottom surface in the corner of the bottom surface from the gap and form high-speed layer
Stream.
8. according to swing reducer according to any one of claims 1 to 7, it is characterised in that
Total length of the plate portion throughout the side of the floating body is set.
9. a kind of floating body, it is characterised in that
Corner with side with bottom surface, swing according to any one of claims 1 to 8 is equipped with the vicinity in the corner
Reducer.
10. floating body according to claim 9, it is characterised in that
It is described to swing the side that reducer is respectively arranged at the both sides of the floating body.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015026780A JP6527346B2 (en) | 2015-02-13 | 2015-02-13 | Motion reduction device and floating body provided with the same |
| JP2015-026780 | 2015-02-13 | ||
| PCT/JP2015/076289 WO2016129141A1 (en) | 2015-02-13 | 2015-09-16 | Oscillation reduction device and floating body provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107207079A true CN107207079A (en) | 2017-09-26 |
Family
ID=56615531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580075966.4A Pending CN107207079A (en) | 2015-02-13 | 2015-09-16 | Swing reducer and possess the floating body of the device |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6527346B2 (en) |
| KR (1) | KR101965090B1 (en) |
| CN (1) | CN107207079A (en) |
| SG (1) | SG11201706270RA (en) |
| WO (1) | WO2016129141A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108394531A (en) * | 2018-03-07 | 2018-08-14 | 湖南工程学院 | A kind of offshore wind farm O＆M ship stabilising arrangement |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6966393B2 (en) * | 2018-08-10 | 2021-11-17 | 日立造船株式会社 | Mooring system |
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| US20030147702A1 (en) * | 2000-05-16 | 2003-08-07 | Mitsubishi Heavy Industries, Ltd. | Swaying reduction apparatus and floating body therewith |
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- 2015-02-13 JP JP2015026780A patent/JP6527346B2/en active Active
- 2015-09-16 KR KR1020177022146A patent/KR101965090B1/en active IP Right Grant
- 2015-09-16 CN CN201580075966.4A patent/CN107207079A/en active Pending
- 2015-09-16 WO PCT/JP2015/076289 patent/WO2016129141A1/en active Application Filing
- 2015-09-16 SG SG11201706270RA patent/SG11201706270RA/en unknown
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| JPH0811781A (en) * | 1994-06-28 | 1996-01-16 | Mitsubishi Heavy Ind Ltd | Hull pitching reducing device |
| US20030147702A1 (en) * | 2000-05-16 | 2003-08-07 | Mitsubishi Heavy Industries, Ltd. | Swaying reduction apparatus and floating body therewith |
| JP2004058691A (en) * | 2002-07-24 | 2004-02-26 | Mitsubishi Heavy Ind Ltd | Device for reducing rocking of floating body and floating body provided with the same |
| JP5577206B2 (en) * | 2010-09-22 | 2014-08-20 | 新日鉄住金エンジニアリング株式会社 | Sway reduction device and floating body |
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| CN108394531A (en) * | 2018-03-07 | 2018-08-14 | 湖南工程学院 | A kind of offshore wind farm O＆M ship stabilising arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6527346B2 (en) | 2019-06-05 |
| SG11201706270RA (en) | 2017-09-28 |
| WO2016129141A1 (en) | 2016-08-18 |
| KR101965090B1 (en) | 2019-08-07 |
| KR20170102976A (en) | 2017-09-12 |
| JP2016147635A (en) | 2016-08-18 |
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Application publication date: 20170926 |