CN104203739A - Ship with a detachable hull - Google Patents
Ship with a detachable hull Download PDFInfo
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- CN104203739A CN104203739A CN201380005972.3A CN201380005972A CN104203739A CN 104203739 A CN104203739 A CN 104203739A CN 201380005972 A CN201380005972 A CN 201380005972A CN 104203739 A CN104203739 A CN 104203739A
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- hull
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 27
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
- B63H25/42—Steering or dynamic anchoring by propulsive elements; Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
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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
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
- B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
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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
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
- B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
- B63B1/12—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly
- B63B1/121—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly comprising two hulls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/48—Means for searching for underwater objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G7/00—Mine-sweeping; Vessels characterised thereby
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/87—Combinations of sonar systems
- G01S15/876—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
- B63H25/42—Steering or dynamic anchoring by propulsive elements; Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
- B63H2025/425—Propulsive elements, other than jets, substantially used for steering or dynamic anchoring only, with means for retracting, or otherwise moving to a rest position outside the water flow around the hull
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Fluid Mechanics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Earth Drilling (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
A vessel comprising a plurality of hulls, a propulsion system including propulsion apparatus at each end region of the plurality of hulls, and a control system connected to the propulsion system to control operation of the propulsion apparatus to position the hulls, wherein the propulsion apparatus is angled relative to a longitudinal vertical plane of the respective hull. Such hulls may perform the function of installing underground assets such as tidal turbines, wave energy equipment, laid cables, etc., or may be used to facilitate the installation of infrastructure and to perform the function of inspecting underwater areas.
Description
The present invention relates to the special purpose ship using in high current environment, in order to carry out as the installation function of assets under water such as hydroelectric turbine, wave energy equipment, the cable that lays, or can be used to promote that the installation of Infrastructure and execution check the function in region under water.
In the time that installing as assets such as hydroelectric turbine, Infrastructure, cables, the position with high current there are many demands.For example, tidal energy is a kind of failure-free energy sources in some region of the earth.At present, using the major obstacle of the industry development of that energy is high cost of installation.Because this industry lacks the suitable boats and ships/ship that is specifically designed to specific environment in development, so this cost of installation is very high.Current practice is that use is adapted at the ship using in oil and natural gas industry.But these ships are also not suitable for operating in the torrent of morning and evening tides environment, therefore they can't effectively be applicable to installation (comprising the connection that relevant equipment is supported), the maintenance of morning and evening tides equipment and stop transport.In addition, the daily rental fee rate of these ships is very high and be variable.It is very common that seasonal price is order of magnitude fluctuation.
Offshore wind and wave energy industry are owing to selecting to have the place of many energy (can be current, ripple or wind), so be also faced with to a certain extent similar problem, all need accurately to keep the installation ship of off-position (position) under very unstable and dynamic environment.In the situation that trend changes speed and/or direction fast, in current, there will be surge, and need to tackle fitful wind and/or complicated wave climate.Existing offshore construction ship working capability finite under some wind and flow condition, is mainly the horizontal of ship, i.e. the side of ship.This water wave and/or stormy waves can make ship in situation premonitory, not lose off-position and the shut-down operation of having to, and may cause the equipment even threat to life that is badly damaged.
Up to now, existing offshore construction ship (being used at present installation and the maintenance of regeneration energy resource system) also cannot carry out failure-free location under extreme wind and water environment.
Hunt thunder and be location submarine mine but do not ignite their process.Once submarine mine is positioned, just can be removed fuse, reparation or destroyed in controlled blast, therefore the use of sonar equipment is exactly a kind of basic fundamental of hunting in thunder that is applied in.Common minehunting sonar relates to the use of the hull that sonar is installed single high-resolution, short distance, and this sonar is used for observing the object from different azimuth, so that by this object classification.Up to the present, naval has been used this technology on single hull, and this technology type is same as " single eye eyesight ", and object is confirmed and classified as submarine mine, and ship must move relative to this submarine mine.
Three-dimensional sonar image technique generally comprises use side-scan sonar (SSS), this side-scan sonar comprises sonar set moving and obtaining above object a series of " snapshots ", these " snapshots " can be grouped together along moving direction afterwards, thereby are formed on the image in the seabed in sonar band (cover width).Breakneck through the top at dormant mine top, this for no other reason than that on submarine mine the one or more triggerings in in-built a collection of sensor have the risk of igniting this submarine mine.
More complicated synthetic aperture sonar (SAS) also has same limitation, and this synthetic aperture sonar, in conjunction with many sound pulses (acoustic pings), forms and has the image higher than the resolution of conventional sonar.The principle of SAS is to come the same place on " illuminating (illuminate) " sea bed along rail moving sonar set and by several actv. sound pulses.By the sonar data of all sound pulses of postposition processing consistently, can generate with the improved image along track (along-path) resolution.
Naval's tissue, especially military naval is organized in financially and is limited gradually, and the practicality of the ship of the relative low and high energy power of price will be favourable.
In the current rapidly of river and high speed trend, fixed position place, assets tops keeps off-position to be undertaken by very small amount of relatively large, powerful boats and ships with expensive under water.These boats and ships still can only operate in transient opportunity, and these boats and ships are due to its relatively high moist surface (being the surface that the hull of boats and ships contacts with water under given conditions) and limited in one's ability.The large scale of these boats and ships and consequent high inertia are also unfavorable for that it has high-caliber manoevreability and the rapid reaction to location requirement.In addition, conventional ship needs berthing accommodation to keep off-position.Due to the size of ship, so these berthing accommodations are installed complexity and cost is relatively very high.In the time of this berthing accommodation of towing, can form harm to equipment (cable, equipment etc.) under other sea, if the fracture of this berthing accommodation, the state of they meetings in potential danger.
Key issue is, conventional ship is optimised, in the upper navigation of a direction (working direction), simultaneously must be above object under sea holding position for a long time, even if trend changes direction.Because these ships are not optimized under this class environment and work, thus they generally need to make oneself to reorientate by Rotate 180 degree, thereby keep point to trend.This reorientating need to be carried out at hydrostatic place, makes this ship can keep off-position.For example, but this time of reorientating, for operation (using remote underwater robot) under carrying out necessary sea, also belongs to work-hours, carries out this generic task so this manipulation meeting reduces the very limited time significantly.
According to an aspect of the present invention, a kind of ship is provided, this ship comprises multiple hulls, propulsion system and control system, described propulsion system comprises the propulsion equipment that is positioned at the each end regions of described multiple hulls, described control system is connected to described propulsion system to control the operation of described propulsion equipment, thereby locate described hull, the longitudinal vertical plane of relative each hull of wherein said propulsion equipment is angled.
According to a second aspect of the invention, provide a kind of method, the method comprises having the ship fixed position of multiple hulls, and utilizes control system to operate the propulsion system of described ship, so that described hull remains on this position substantially.
According to these aspects, a kind of ship also can be provided, this ship keeps its position substantially with respect to the attachment point in seabed or offshore structure (as offshore oil and natural fuels, tidal energy equipment or wind energy structure).
Described ship especially can use in the mobile region rapidly that comprises trend, ocean current and river, and does not need to consider the change of flow velocity, wave direction or wind direction.
Advantageously, this gear has two hulls and comprises 4 propulsion systems that are positioned at the propulsion equipment of two end regions of each hull.This propulsion equipment preferably can promote (vector-thrust) ship by vector, and ship can be handled the direction from the thrust of its thrust devices, to control the posture of this ship.
Propulsion equipment is advantageously located at the folding corner region of ship as a whole, and thrust can be provided in any direction.For example, this equipment can be longitudinal axis Fu Yite-Schneider propelling unit (having another name called cycloidal-pin wheel planetary drive), but can be also any propulsion equipment that can produce vectored thrust that can be used (as vector screw propeller, water jet or orientation propelling unit).Like this, can mainly provide by two upstream propulsion equipments or propelling unit (" tractive " ship) thrust of propelling, so that ship can be natural/submissively adapt to (weathervane into) trend; This is equivalent to the f-w-d in road vehicle.Described ship can change always and keep off-position rudder for ship running in the situation that in thrust not needing as conventional situation, and traditional ship drives (" pushing away ") and must be by using rudder for ship and bow (bow) propelling unit to carry out continuous stem the tide by the propulsion unit that is arranged on stern.Use another road vehicle to carry out analogy, that this set of ship of the present invention causes turning to is less (stable in the direction of current), instead of oversteer as conventional ship, i.e. continuous correction is to prevent from losing directional balance.
And, preferably on each hull, provide respectively stern holder (skegs) or rudder for ship, and the stern holder providing or rudder for ship be telescopic, make locate to launch and locate to promote at " bow " at " stern " under given operating conditions.In aquatic environment, this stern holder or rudder for ship can provide larger stability than relying on separately propulsion equipment.
According to a third aspect of the present invention, provide a kind of ship, this ship comprises multiple substantially parallel hulls mutually, and it is arranged as and makes the substantially vertical face symmetry of each hull about the each hull longitudinal axis of crosscut.
According to this aspect, can provide the ship that can move under change of tide condition.
This ship is preferably the catamaran of double body type, and each hull is about symmetrical before and after the substantially vertical central cross plane through each hull, and the shape of bow and stern is basic identical.
This front and back symmetry can be moved ship in change of tide, and does not need this ship to reorientate, and makes the front and back of ship have identical locomitivity.This symmetry makes can realize under condition on a large scale safe, economic operation.
The double body type of ship can form the relatively large between deck space of frame on multiple hulls.Preferably, between two hulls, comprise " moon pool " that be positioned at center, to carry out underwater operation, for example, promote or fall from the basic settling position in center.
Advantageously, provide dynamicpositioning (DP) control system by computer control system, this computer control system is by the position and the course that use propulsion equipment automatically to keep ship.As the position about ship and the information that affects the size and Orientation of the environmental forces of this position are offered computing machine by the sensor of position reference sensor, wind transducer and motion sensor and so on and gyrocompass.This data process system also can advance redundancy (redundancy) (that is, one of propulsion equipment lost efficacy) manipulate, thereby can make the inefficacy of this propulsion equipment can not cause position to change.
Hull preferably has ellipse geometry, be adapted at the diametrically opposite ship's head of conventional ship angular region in reduce resistance, and conventional ship is generally only suitable for reducing resistance in working direction.
According to a fourth aspect of the present invention, a kind of ship is provided, comprise multiple hulls, propulsion system, control system and testing fixture, described propulsion system comprises the propulsion equipment that is positioned at the each end regions of described multiple hulls, described control system is connected to described propulsion system to control the operation of described propulsion equipment, thereby locate described hull, described testing fixture be installed at least two of described multiple hulls upper, leave the outward extending region of described ship to check.
According to a fifth aspect of the present invention, a kind of method is provided, and the method comprises the ship fixed position with multiple hulls, utilizes control system to operate the propulsion system of described ship, so that this hull remains on this position substantially, and the outward extending region of described ship is left in inspection.
According to these aspects, a kind of ship can be provided, this ship is not needing just can to check region under water through in the situation that above object, thereby finds this object.
Each testing fixture comprises transmitter and reception facilities, and transmitter is used for launching and checks that medium, reception facilities are arranged to receive any inspection medium that the object from checked region reflects.Data processing equipment is connected to this testing fixture, is used for generating first and checks data set with second, and each testing fixture generates one and checks data set.
Be arranged on the front end area of at least two hulls or the testing fixture in bow region is preferably Forward-Looking Sonar equipment, and be preferably the Forward-Looking Sonar equipment of high definition.Therefore, be equivalent to provide " solid " vision for data processing equipment.
And described hull is preferably by making as the light material of aluminium and/or compound (being not limited to lass/ fiber-reinforced plastic (G/FRP (fiber-reinforced plastic) or analogue)).Described ship is preferably the catamaran of catamaran hull, and each hull is about symmetrical before and after the substantially vertical central cross plane through each hull, and the shape of bow and stern is basic identical.
Described ship especially can use in aquatic mining area, in this aquatic mining area, exists and comprises flowing rapidly of trend, ocean current and river, operates herein the change that described ship time does not need to consider flow velocity, wave direction or wind direction.
For clear and intactly openly the present invention, by the mode with example with reference to the following drawings, wherein:
Fig. 1 schematically shows a kind of two plane figure's views that the ship of the symmetrical hull of propulsion equipment is all housed at its each end regions that comprise;
Fig. 2 is similar to Fig. 1, but has shown that how ship is at water (flow) direction quilt " traction ";
Fig. 3 is similar to Fig. 2, but has shown the operation that can how to change propulsion equipment in the time of flow reversal;
Fig. 4 has shown that can how to tackle the side that wind or trend bring disturbs;
Fig. 5 a has shown the lateral plan of the ship with the consistent hull of cross-sectional area;
Fig. 5 b has shown the end view of the ship shown in Fig. 5 a;
Fig. 6 a has shown the lateral plan of the optional embodiment of the ship with the consistent hull of cross-sectional area;
Fig. 6 b has shown the end view of the ship shown in Fig. 6 a;
Fig. 7 a-d is the schematic diagram of another embodiment of ship;
Fig. 8 a-d has shown respectively three-dimensional view, lateral plan, end view and the plan view of the ship type of the ship shown in Fig. 7 a-d;
Fig. 9 is the schematic diagram similar to Fig. 1-4, but has shown propulsion equipment can be used to how to rotate ship and work under the obstruction of side current, wind or ripple, and
Figure 10 has shown the schematic perspective view of looking up that comprises two ships with the symmetrical hull of the sonar set that is arranged on bow;
Figure 11 is the top perspective schematic diagram in certain region above that checks this ship from the top of the ship shown in Figure 10.
Referring to Fig. 1-4, ship 2 comprises the hull 4 of two mutual parallel array, and is positioned at each propulsion equipment 6 to end regions of each hull 4, makes each folding corner region of ship 2 all have a propulsion equipment 6.Referring specifically to Fig. 2, what arrow 8 represented is water (flow) direction, is the direction of the thrust that provided by a pair of propulsion equipment 6 in upstream and arrow 10 represents, and this thrust direction is substantially parallel with water (flow) direction.Therefore, the resistance of hull 4 can make its service direction consistent with water (flow) direction, and relative immersed body region 12 keeps stable orientation in current.
As shown in Figure 3, in the situation that being similar to tide race, in the time that current 8a is reverse, the operation 10a of propulsion equipment 6 can be become to the operation of a pair of propulsion equipment on opposite, and do not need ship to reorientate or redirect, make it keep stablizing off-position with respect to region 12.Fig. 4 has shown can how utilize whole 4 propulsion equipments by the propulsion equipment 6 of arranging or only use and is positioned at the windward side of ship 2 or the propulsion equipment of leeward side and produces lateral thrust and deal with the side interference L being brought by the factor such as wind or morning and evening tides.
Propulsion equipment 6 on each hull 4 is arranged, these propulsion equipments are substantially vertically arranged in the cross-sectional plane through ship 2.But if get the vertical section of each hull 4, the propulsion equipment 6 of hull 4 each ends is just with respect to vertical surface angled (as visible in Fig. 7 b) so.Propulsion equipment 6 this is arranged in extreme wind can obtain relative good propelling effect with (such as trend rapidly) in water environment.When water is in the time flowing around hull 4, propulsion equipment 6 need to be with this mobile substantially vertical, and to carry out valid function, the while is due to the alteration of form current of each hull 4, so propulsion equipment 6 needs in the vertical with an angular deflection, thereby obtain the substantially vertical inflow velocity of actv..
Referring to Fig. 5 a and 5b, ship 2 has the hull 4 that cross-sectional area is substantially constant (in order to make cost relatively low), in this cross-section, propulsion equipment 6 launches (upstream propulsion equipment is shown as the Telescoping in being comprised in hull 4 spaces) in the central vertical face at each hull in the front and back of each hull 4.Stern holder or rudder for ship 14 can also be provided, and can in the vertical surface of the stern of each hull 4, provide stern holder or rudder for ship 14, and these stern holders or rudder for ship 14 are telescopic, only in needs, fall and launch (shown in downstream stern holder/rudder for ship above water surface WL in contraction state).Propulsion equipment shown in Fig. 5 a and 5b preferably adopts pin pendulum planetary drive, Fu Yite-Schneider drive system, propeller-type, but they can use the propelling of thrust vectoring orientation to establish device or water jet blower equally.
In normal running, upstream propulsion equipment 6 can be fallen and be activated, and with the moving ship 2 of adverse current tractive, and the stern holder/rudder for ship 14 of downstream or aft end can be fallen, to help to keep directional balance.
The layout of propulsion equipment 6 means, ship 2 is by the thrust of utilizing upstream propulsion equipment 6 to produce, can be in the various flow directions and flow velocity the stability of holding position and direction, make the remainder of ship " advance with the wind " passively and keep (in-line) in the same way with balance and stable mode and current.
Optimize the geometry of hull 4, to comprise the propulsion equipment that can produce substantially equal resistance in former and later two directions of ship 2.Each hull 4, is at least underwater hull part, and about the substantially vertical plane symmetry at the single center at bilge place, wherein each hull 4 is about symmetrical before and after bilge.This symmetry makes ship 2 turn and in the time that reversing sense flows, to keep off-position in trend.Therefore, hull 2 itself does not need to be rotated with towards current, thus operable time is increased to greatest extent.Can also ensure so more easily data process system to be optimized, make ship on mobile both direction, all there is identical characteristic.
Stern holder or rudder for ship 14 can also launch in the front and back of the line of centers of the ship 2 shown in Fig. 6 a and 6b.In these cases, normally in service, be arranged in the downstream of ship 2 or the stern holder of tail end or the unfolded water that enters of rudder for ship 14, and the stern holder or the rudder for ship 14 that are positioned at upstream or forward end can be raised.
Stern holder/rudder for ship 14 provides passive or active keel region, to improve directional balance and to help ship 2 box haul flow directions.In brief, need to provide following functions with stern holder/rudder for ship 14:
Directional balance in trend rapidly when operation or off-position.Reduce thus the needs that go as course by data process system.
On navigation channel, provide and turn to.
The inclination thin slice of basic horizontal or hydrofoil (not shown) can launch in the front and back of each hull 4 alternatively, can between hull, launch, also can launch in the outside of hull (or inside and outside both sides of hull), thereby produce thrust substantially upwards or downward thrust, for example, so that hull 4 (when use ship-mounted crane to promote or use winch above ship 2 ends time) in the time bearing vertical load, or help in transit hull for example, in asymmtric load when cable installatition () maintenance level.In some cases, by using suitable sensor and software, this thin slice or hydrofoil can also be dynamically orientable in inclination, thereby can be used as stabiliser, reduce in inclination and scrolling direction the ship motion that causes fluctuation.
Hull 4 can also carry out geometry optimization in the horizontal, to reduce lateral drag (, from larboard to starboard), ship 2 can easily be operated.Even, in hydrostatic, in the time that trend changes direction, this trend may be attempted to side propelling ship 2.Ship 2 with the hull geometry structure through optimizing keeps off-position in the top of assets under water.
This exclusive hull shape has following advantageous feature:
Through the oval hull 4 of symmetry of optimizing, at forward with oppositely all there is low resistance.
This ellipse hull 4 also provides improved surfing (wave riding) performance under higher sea situation.
High freeboard, that is, the distance of 16 planes from floating line to upper deck, can make the ship type of low resistance have high lifting (high lift) performance.
High freeboard keeps dry spar deck 16 under higher sea situation, thereby can operation improving window.
Use oval ship type in catamaran layout time, do not need bilge keel, and this bilge keel is normally essential on single hull.
Each end position place at hull 4 provides space, to make in shallow water or can protect propulsion equipment 6 to avoid landing in the time that ship 2 need to be placed in seabed during at ebb tide.
DP control system makes the ship 2 can be in violent (aggressive) and difficult sea situation (as tide race) and/or while laying submarine cable (as) holding position during in ship high-speed mobile.This also makes ship 2 handle in any direction, and can keep its navigation/orientation.Optimize hull 4, not only can be reducing in the same way resistance (as common ship) when (in-line) with current, and can reduce at current resistance during with respect to longitudinal hull axis inclination certain angle.Because data process system can search best orientation so that resistance minimizes, thus the combination of the break-in thrust of ship 2 each folding corner regions and the ship type of optimization can form a kind of in so a kind of environment extremely competent and actv. ship basically.Can ensure so particularly fuel saving of ship 2.
Under the direct control of propulsion equipment in DP software.This software is used to coordinate thrust, to keep the position of ship 2 and to keep its orientation in target location, and makes thus maximizing efficiency.Therefore, data process system must specifically be adjusted according to hull configuration and propulsion equipment.
Fig. 6 a and 6b have also shown the possibility that replaces the scalable propulsion equipment 6 shown in use Fig. 5 a and 5b at the propulsion equipment of outside installation ship body 4.These are installed in outside propulsion equipment 6 for example by rotating around pivot 18 or rotating rise.Propulsion equipment 6 can also be installed in the outside of hull 4, thereby can mention simply from the extendible portion on deck 16.If propulsion equipment 6 is installed as shown in Fig. 6 a and 6b, on propulsion equipment, can directly provide dull and stereotyped (not shown) so, also reduce thus the efficiency of propulsion equipment to stop air to be inhaled into this propulsion equipment.
Fig. 7 a-d has shown that it (is the opening in deck 16 that ship 2 and the hull 4 of how arranging support with moon pool 20, be used for approaching the surface of water), build bridge 22 and the deck 16 of the lifting means 24 that can exist with the form of a pair of sheerlegs 26, derrick block can be suspended to described sheerlegs 26, makes it possible to promote above ship 2 ends or by moon pool 20.Ship 2 uses the object of multiple hulls 4 to be to provide maximized between deck space.
Fig. 8 a-d has more clearly illustrated and has made the oval ship type of the minimized symmetry of resistance, and has been positioned at the substantially vertical Transverse plane 32 of the bilge position of each hull 4 of front and back symmetrical (shown in Fig. 8 d).Can see, it is dark compared with end that the core 28 of hull 4 downsides enters distance in water, thereby promote non-retractable propulsion equipment 6 to use in submerged operation.
Catamaran type gear has relatively low water plane, and is combined with the elliptic geometry structure of hull 4, and ship 2 can provide the drinking water region of resistance to wave.
Fig. 9 has shown propulsion equipment 6 can be used to how to rotate ship 2 and how to work under the disavantage of side current, wind or wave L.In some aspects, can as handling on land crawl vehicle, carry out management of a ship 2, this crawl vehicle is by motion crawler belt in the opposite direction and can be started immediately.By the direction operation upstream propulsion equipment 6 towards identical with the general direction of current, and towards the direction operation downstream propulsion equipment 6 that is substantially orthogonal to upstream propulsion equipment 6 directions, and each to propulsion equipment under different thrust powers (by data process system control) operate, ship 2 can keep location above assets target area 12 under sea, and is directed to direction L (in figure shown in long and short dash line hull 4).
Ship 2 is handled extremely flexible, can be in high current and other destructive sea situation stable position, and do not need to use expensive/risky berthing accommodation.
Because ship 2 is adapted at operating in two-way flow district, simultaneously its in navigation direction symmetrical and while moving towards the positive direction or oppositely performance similar, so ship 2 does not need to redirect, make thus maximize the effective time of executable operations under sea.
Specifically, with regard to tidal energy related facility, ship 2 provides remarkable reduction and the means that relevant cost and risk is installed, and this installation is the major obstacle that need to overcome for promotion industry at present.Ship 2 can provide technological means (under receivable cost condition) to complete construction in the whole project life cycle and possible maintenance task.
Ship 2 also can provide safe and reliable means to finish the work, for example (but being not limited to this): field investigation, basis installation, offshore drilling's support, cable installation, cable reparation, cable protection, turbine attachment/detachment, website are stopped transport and divided power plant maintenance under water.
Referring to Figure 10 and 11, ship 2 comprises that two with the mutually substantially parallel hull of arranging 4 of catamaran type, and it is similar to the mode of ship mentioned above.Similarly, propulsion equipment (not shown in Figure 10 and 11) is preferably placed at each hull 4 opposed end location separately, makes each folding corner region of ship 2 all have a propulsion equipment.In operation, arranging of propulsion equipment can make ship 2 relative immersed body (as submarine mine 34 (as shown in Figure 11)) in current keep stable orientation.
Telescopic stern holder or rudder for ship (mentioned above) can also be provided in the front and back of each hull 4, while needs, this stern holder or rudder for ship can be fallen and launched.
As above-mentioned, the layout of propulsion equipment means that ship 2 can keep stable position and orientation under various flow directions and speed, thereby becomes in the same way with current with stable mode with a kind of balance.Because the position of submarine mine can be on map accurate Drawing out, so this layout is favourable in the time hunting thunder.
As mentioned before, hull 4 can be by making as the material of the relative lightweight such as aluminium and/or G/FRP.If use G/FRP, the structure forming so just has very strong tension force and substantially can not corrode.The ship being formed from aluminium can than with G/FRP build ship 2 gentlier, stronger.The aluminium of navigation grade has high impact resistance, makes ship 2 can keep out the collision of the badly damaged G/FRP hull of meeting, and the aluminium of therefore navigation grade is more preferably for hunting thunder ship.The aluminium of navigation grade also has good resistance to corrosion, and in most of situation, aluminum ship can continue 50 years in harsh saltwater environment.And, up to the present, aluminium be maintenance cost minimum can be used in the manufacturing material of ship.
In addition, the tiltable thin slice of basic horizontal or hydrofoil (not shown) can launch in the front and back of each hull 4 alternatively, can between hull, launch, also can (or inside and outside both sides of hull) launch in the outside of hull, thereby produce thrust substantially upwards or downward thrust, so that hull 4 is maintenance level in the time bearing vertical load, or can help in transit hull in asymmtric load maintenance level.In addition, in some cases, by using suitable sensor and software, this thin slice or hydrofoil in inclination (in pitch) can also be dynamically orientable, thereby can be used as stabiliser, reduce in inclination and scrolling direction the ship motion being caused by wave.
DP control system make ship 2 can violence and difficulty sea situation (as tide race) under, and/or in high-speed mobile holding position.
Testing fixture 36 is positioned at the downside of one of end portion 30, be forward end part 30 places, it comprises feedway and receiving device, feedway is used for launching and checking medium in inspection area, and receiving device is arranged to receive the inspection medium of launching that any object from checked region reflects.As everyone knows, in aquatic environment, launching acoustic energy with transmitter and receive object in any region from check with reception facilities while being reflected back toward the acoustic energy of launching of sonar set, sonar set is failure-free for the inspection of underwater environment.Hunting in thunder, the advantage with this sonar equipment is, before can locating, need not be through the top of explosive submarine mine, and just as current SSS and SAS, to hunt thunder ship the same.Each testing fixture 36 use are launched acoustic energy away from the direction of the outside projection of ship tomorrow, and preferably the working direction (, Forward-Looking Sonar device) of relative ship 2 is launched this acoustic energy in water forward and backward.In this mode, the inspection area of each sonar equipment or the visual field are overlapping with respect to each sonar structure 12.Each sonar structure 36 is connected to data processing equipment, to generate respectively first and second inspection data of inspection area.Therefore, data processing equipment can be each sonar equipment 36 and generates the essentially identical image of inspection area.Afterwards, two images that are positioned at the sonar equipment at difference place, space can three-dimensionally be combined in electronics mode by the described data processing equipment with suitable software or another data processing equipment with suitable software, thereby generate the 3-D view of the inspection area being covered by two sonar equipments 36.Preferably, this sonar equipment can generate the image of high definition.The object 34 of any as explosive submarine mine and so on be found the in the situation that of can be above ship 2 need not pass through this object.Therefore,, in the time checking that data are connected to data process system, the position of submarine mine 34 can very accurately be recorded.
Referring to Figure 11, when the front region of boarding ship 2 (shown in arrow 38), sonar equipment 36 can be observed submarine mine 34 under water, this submarine mine is equipped with a series of sensors, one or more can the blasting through contact mine 34 in above submarine mines 34 at ship 2 in these sensors.Therefore, the manoevreability of ship 2 height can make submarine mine 34 avoid easily blasting.
Ship 2 can be equipped with removes the device of submarine mine, to dispose the submarine mine in mine inspection region, or the position data of submarine mine can be sent to another and be specifically designed to the ship of cleaning submarine mine.
In safety problem, consider that ship, through the top of submarine mine 34, is installed on anti-magnetized coil on hull 4, to weaken or eliminate the unnecessary magnetic field that can trigger the Magnetic Sensor in some submarine mine being produced by ship 2.For further ensureing safety, the propulsion equipment using is very quiet compared with other propulsion system, in case the sensor in contact mine, this submarine mine is by detecting the noise of certain threshold level or the particular noise of ship triggers blast.
This ship 2 also can be used for drawing and the measurement on surface, seabed; especially can be used for as drawing and the measurement on the surface, seabed in the marine environment of coral reef, this is because propulsion system can make not need anchor is dropped into ecological rapid wear region that may be protected by law or possibility outlawry.
And ship 2 is also being brought into play positive effect in the rescue of seabed.For example, when submarine lost efficacy and submarine personnel while not needing to run away immersion device suite emergency escape by seabed, can adopt afterwards tow lift.Why preferred tow lift is, is in deep-sea, avoid a large amount of pressure and avoid being exposed in cold water because tow lift can make submarine personnel, thereby can makes submarine personnel substantially not survive injuredly.Ship 2 can utilize the testing fixture that Forward-Looking Sonar is housed reliably by the submarine location of losing efficacy, and launches salvage work in utilizing propulsion system to keep off-position on the water.In addition, can also realize or help to carry out by ship 2 the marine salvage work of other form.
Claims (33)
1. a ship, comprise multiple hulls, propulsion system and control system, described propulsion system comprises the propulsion equipment that is positioned at the each end regions of described multiple hulls, described control system is connected to described propulsion system to control the operation of described propulsion equipment, thereby locate described hull, the longitudinal vertical plane of relative each hull of wherein said propulsion equipment is angled.
2. ship as claimed in claim 1, the quantity of wherein said multiple hulls is two.
3. ship as claimed in claim 1 or 2, wherein said propulsion system comprises four propulsion equipments that are positioned at region, each hull both ends.
4. the ship as described in one of aforementioned claim, wherein said propulsion equipment is positioned at the folding corner region of making as a whole described ship.
5. the ship as described in one of aforementioned claim, and comprise the stern holder and/or the rudder for ship that are arranged on each hull.
6. ship as claimed in claim 5, wherein said stern holder and/or rudder for ship are telescopic.
7. the ship as described in one of aforementioned claim, wherein said control system adopts computer control system, and this computer control system is by being used described propulsion equipment automatically to keep position and the course of described ship.
8. ship as claimed in claim 7, wherein position reference sensor, wind transducer and motion sensor and gyrocompass provide with the position of described ship and affect the relevant information of the size and Orientation of environmental forces of this position to computing machine.
9. the ship as described in one of aforementioned claim, also comprises the moon pool through the deck construction being supported by described multiple hulls.
10. the ship as described in one of aforementioned claim, and comprise inclination thin slice or the hydrofoil of basic horizontal, this inclination thin slice or hydrofoil launch before and after on each hull.
11. ships as claimed in claim 10, wherein said hydrofoil is between described hull.
12. ships as described in claim 10 or 11, wherein said hydrofoil is positioned at the outside of described hull.
13. ships as described in one of aforementioned claim, it is arranged as and makes the substantially vertical face symmetry of each hull about the each hull longitudinal axis of crosscut.
14. ships as described in one of aforementioned claim, also comprise the testing fixture being installed at least two of described multiple hulls, leave the outward extending region of described ship to check.
15. 1 kinds of methods, comprise and will have the ship fixed position of multiple hulls, and utilize control system to operate the propulsion system of described ship, so that described hull remains on this position substantially.
16. methods as claimed in claim 15, wherein said control system is computer control system, this computer control system is by being used the propulsion equipment of described propulsion system automatically to keep position and the course of described ship.
17. methods as claimed in claim 16, wherein position reference sensor, wind transducer and motion sensor offer computing machine together with gyrocompass by the position about described ship and the information that affects the size and Orientation of the environmental forces of this position.
18. methods as described in one of claim 15-17, and comprise and check and leave the outward extending region of described ship.
19. methods as described in one of claim 15-18, wherein said ship is the described ship of one of claim 1-14.
20. 1 kinds of ships, comprise multiple substantially parallel hulls mutually, and it is arranged as and makes the basic vertical surface symmetry of each hull about the each hull longitudinal axis of crosscut.
21. ships as claimed in claim 20, wherein each hull is about symmetrical before and after the substantially vertical central cross plane through each hull.
22. ships as described in claim 20 or 21, the bow of wherein said ship and the shape of stern are basic identical.
23. ships as described in one of claim 20-22, also comprise the moon pool that is arranged in the deck construction being supported by described hull.
24. ships as described in one of claim 20-23, wherein said hull has disciform geometry.
25. 1 kinds of ships, comprise multiple hulls, propulsion system, control system and testing fixture, described propulsion system comprises the propulsion equipment that is positioned at the each end regions of described multiple hulls, described control system is connected to described propulsion system to control the operation of described propulsion equipment, thereby locate described hull, described testing fixture be installed at least two of described multiple hulls upper, leave the outward extending region of described ship to check.
26. ships as claimed in claim 25, wherein each testing fixture comprises transmitter and reception facilities, described transmitter is used for launching and checks that medium, described reception facilities are arranged to receive any inspection medium that the object from checked region reflects.
27. ships as claimed in claim 26, also comprise data processing equipment, and it is connected to described testing fixture and is used for generating inspection data set, and each testing fixture generates one and checks data set.
28. ships as described in one of claim 25-27, wherein said testing fixture adopts Forward-Looking Sonar equipment.
29. 1 kinds of methods, comprise and will have the ship fixed position of multiple hulls, utilize control system to operate the propulsion system of described ship, so that described hull remains on this position substantially, and the outward extending region of described ship is left in inspection.
30. methods as claimed in claim 29, wherein said inspection comprises that transmitting checks medium and receives any inspection medium that the object from checked region reflects.
31. methods as claimed in claim 29, also comprise from testing fixture separately and generate respectively inspection data set.
32. methods as claimed in claim 31, wherein said inspection generates the essentially identical image separately of described inspection area from each testing fixture.
33. methods as claimed in claim 32, wherein said essentially identical image solid separately combines, to generate the 3-D view of described inspection area.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1200841.3 | 2012-01-18 | ||
| GBGB1200841.3A GB201200841D0 (en) | 2012-01-18 | 2012-01-18 | A vessel |
| GB1202548.2 | 2012-02-14 | ||
| GBGB1202548.2A GB201202548D0 (en) | 2012-02-14 | 2012-02-14 | A vessel |
| PCT/GB2013/050105 WO2013108033A2 (en) | 2012-01-18 | 2013-01-17 | A vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104203739A true CN104203739A (en) | 2014-12-10 |
Family
ID=47827373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380005972.3A Pending CN104203739A (en) | 2012-01-18 | 2013-01-17 | Ship with a detachable hull |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20140378012A1 (en) |
| EP (1) | EP2819916A2 (en) |
| JP (1) | JP2015504026A (en) |
| CN (1) | CN104203739A (en) |
| CA (1) | CA2860853A1 (en) |
| GB (1) | GB2498652A (en) |
| WO (1) | WO2013108033A2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810070A (en) * | 2015-04-22 | 2015-07-29 | 中国核动力研究设计院 | Maintenance support base station and achievement method applicable to offshore floating nuclear power plant |
| CN105109615A (en) * | 2015-08-31 | 2015-12-02 | 许庆松 | Anti-overturn catamaran |
| CN107132524A (en) * | 2017-06-06 | 2017-09-05 | 浙江大学 | Submarine target locus computational methods based on two identification sonars |
| CN107878683A (en) * | 2017-11-08 | 2018-04-06 | 安徽科微智能科技有限公司 | A kind of offshore Modularized unmanned ship draw off gear |
| CN109188405A (en) * | 2018-09-14 | 2019-01-11 | 天津海之星水下机器人有限公司 | A kind of numbers of beams is adjustable multibeam sonar and design method |
| CN112236359A (en) * | 2018-06-06 | 2021-01-15 | 艾罗丁咨询新加坡私人有限公司 | Floating platform for fastening a floating wind power plant at the bottom of a body of water |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9475548B1 (en) * | 2014-08-29 | 2016-10-25 | Cobalt Boats, LLC | Multi-hull platform boat |
| US20180043975A1 (en) * | 2015-02-27 | 2018-02-15 | Yu Lee TAN | Vehicle control system for watercraft using a microchip based processor and control surfaces |
| CN106114749B (en) * | 2016-06-17 | 2019-01-01 | 武汉理工大学 | A kind of disturbance complementation catamaran |
| IT201900009045A1 (en) * | 2019-06-14 | 2020-12-14 | Duferco Eng S P A | LOW ENVIRONMENTAL IMPACT MOTOR SHIP FOR PASSENGER TRANSPORT |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104810070A (en) * | 2015-04-22 | 2015-07-29 | 中国核动力研究设计院 | Maintenance support base station and achievement method applicable to offshore floating nuclear power plant |
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| CN107878683A (en) * | 2017-11-08 | 2018-04-06 | 安徽科微智能科技有限公司 | A kind of offshore Modularized unmanned ship draw off gear |
| CN112236359A (en) * | 2018-06-06 | 2021-01-15 | 艾罗丁咨询新加坡私人有限公司 | Floating platform for fastening a floating wind power plant at the bottom of a body of water |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2013108033A3 (en) | 2013-11-14 |
| GB201300875D0 (en) | 2013-03-06 |
| JP2015504026A (en) | 2015-02-05 |
| GB2498652A (en) | 2013-07-24 |
| US20140378012A1 (en) | 2014-12-25 |
| CA2860853A1 (en) | 2013-07-25 |
| EP2819916A2 (en) | 2015-01-07 |
| WO2013108033A2 (en) | 2013-07-25 |
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