CN206750072U - Inland river and the large-scale ballast-free ship type of river and sea and green roll-on-roll-off ship - Google Patents

Abstract

A kind of inland river and the large-scale ballast-free ship type of river and sea, shiplines refer to below main ship deck, the shiplines by stem, in cross-sectional, afterbody three be all grouped into, the afterbody is provided with convex tail under three Ge Shui Shang, molded line flows to evagination to be vertical between convex tail under two Ge Shui Shang, vertical to flow to evagination and be connected Yu the molded line of convex tail under Shui Shang by shallow volute molded line.And with inland river and the green roll-on-roll-off ship of the large-scale ballast-free ship type of river and sea.Convex tail realizes the energy-saving of hull ballast-free under Shui Shang of the present utility model.

Description

Inland river and the large-scale ballast-free ship type of river and sea and green roll-on-roll-off ship

Technical field the utility model is related to a kind of inland river and the large-scale ballast-free green roll-on-roll-off ship of river and sea, especially It is a kind of large-scale green roll-on-roll-off ship of Changjiang River Trunk Line and reservoir area of Three Gorges and river and sea carrying heavy-duty car and Light-duty Vehicle with load. It can also be the special large-scale green roll-on-roll-off ship that special feature fortune heavy goods vehicles special features transport light-duty (Commercial Vehicle) car.

Background technology generally, in the navigation of ship undercapacity needs to use ballast water to ensure vessel stability and float Property, prevent the wave slamming of Light Condition in particular for enough ballast waters, adverse effect caused by racing of propeller and The speed of a ship or plane declines.At this stage, shipbuilding industry is international and domestic is being directed to the ultralow ballast water ship type development researchs of ballast-free, most New research is a kind of completely without the scheme for carrying ballast water when this shipbuilding technology of a few days center.The ballast-free ship Feature is to be that hull bottom is shaped as V-shape, does not need ballast water that ship head and the tail can also be made to ensure enough in the unloaded state Drinking water, still, vee type hull design concept is to allow hull to reduce weight in maximum, and state can be carried in undercapacity or less without pressure Carry water and save, but due to needing to optimize structure or being significantly increased using high strength steel compared with conventional ship type cost, this V-shape There is great difficulty in ship type cost control, and to meet that same cargo dead-weight must increase the beam and bring fully loaded or few load again The state speed of a ship or plane declines, and synthesis energy saving Effect value must be furtherd investigate.Another mentality of designing is a kind of insertion stream ballast tank, that is, is cancelled Traditional ballast tank, instead 2 open large-scale pipelines are water flow box, open the front and rear covers of large-scale pipeline when clean ship leaves the port Open, current flow into, and current flow before and after pipeline when ship undercapacity sails keeps ship balance, before loading is then closed when navigating by water The method that bonnet bleeds off water, but this mentality of designing can increase difficulty in structure design, bring shipbuilding cost to improve, it is unfavorable Factor increase.Single structure hull design is:One indent opened backward is alow set, and this ship type can make Ship underloading or it is unloaded when there is larger drinking water, but shortcoming is compared with conventional ship type, and hull wetted surface area significantly expands, together Sample is that structure design difficulty increases, the high enterprise of cost.The design that three of the above ship is united without ballast yarn is only in the starting stage, away from specific Real ship is built and high-volume input operation needs time.

Existing inland river particularly Changjiang River Trunk Line ship type is numerous, in the roll-on-roll-off ship type of inland river, there is cargo vehicle roll-on-roll-off ship, business Product car roll-on-roll-off ship, ro-ro passenger ship, also without a kind of multideck carrying heavy-duty car Ge and Light-duty Vehicle with the super-huge roll-on-roll-off ship carried; Also without super-huge Commercial Vehicle roll-on-roll-off ship, existing ship type yardstick is smaller, and when passing through Three Gorges Ship Lock, percent of pass is very low, existing<It is long River main line lockage wheeled cargo ship standard ship dimension series>It is only 110 meters of by the maximum scale length of Three Gorges Ship Lock roll-on-roll-off ship Wide 17.2 meters of carrier vehicles position is only 600;It is only that length is 130 meters wide that present national policy, which encourages to promote the maximum yardstick of other ship types, Therefore, the maximum ship type of Changjiang River Trunk Line is not reaching to lockage fleet optimum combination to 16.2 meters of at this stage, and Three Gorges Ship Lock once mistake The optimum combination of lock is two, and Three Gorges Ship Lock planar dimension is 340 meters wide 34 meters for length, allows lockage planar dimension to grow (with existing< Changjiang River Trunk Line lockage wheeled cargo ship standard ship dimension series>Out to out ship type calculates) it is 260 meters wide 32.4 meters.This reality The super-huge green roll-on-roll-off ship in inland river tested out with development of novel, it is 130 meters that principal dimensions, which reaches overall length, 27.8 meters of the beam, ship type After being optimized by ship model experiment and dynamical system, its energy efficiency indexes has reached domestic inland river and the large-scale no ballast of river and sea III grade of standard of aqua roll-on-roll-off ship because roll-on-roll-off ship mainly load feature be that requirement carrier vehicle floor space is big and loading capacity requirement not Height, and the roll-on-roll-off ship stability margin of scale above is very big, the technology of multideck carrier vehicle is also very ripe, above-mentioned yardstick The loading capacity of carrying capacity has the potential for meeting multideck carrier vehicle.Yangtze River Gorges ship lock navigation pressure is particularly at this stage to dash forward It is aobvious, it was reported that for Three Gorges Ship Lock at present in addition to lock time index is not up to design objective, all other indexs of ship lock exceed design Level, ship treat that lock turns into normality, extremely limited by ship lock management and running space of continuing to tap the latent power.Country intends opening up Three Gorges Hinge water transport new tunnel, but its construction period at least will also have 10 years very long roads to walk, and larger-sized vessel is its alleviation The most effective and approach that most can implement soon of Three Gorges Ship Lock navigation pressure.The environmental pressure of energy-saving and emission-reduction is increasing, Country encourages to put into effect successively using the policy of clean energy resource, and ship is trend of the times using LNG clean energy resourcies, and roll-on-roll-off ship It is relatively stable in links such as course line, harbour stops for other ship types, plus using LNG tank formula container loading and unloading LNG The mode economically feasible of combustion gas, to pursue filling pattern more safely, conveniently, economic, trial of just being exhausted one's ability in industry is opened The LNG stream pattern of different modes, such as highway, railway, water route are opened up, " tank container, a tank arrive most representational product The transport of bottom " formula water-land transshipment and filling pattern have been applied successfully, and the supporting LNG ship technological innovations that change the outfit have been released.

The gas power host technology of clean energy resource required for recent the utility model large Ro Ro ship has obtained ship The certification of level society, corresponding specification is supporting, and encouragement policy has been put into effect.

Content of the invention the technical problems to be solved in the utility model, which is to provide one kind and may adapt to domestic inland river, to be particularly Pass through Yangtze River Gorges ship lock and the shiplines and roll-on-roll-off ship of reservoir area of Three Gorges navigation and river and sea.

In order to solve the above technical problems, technical scheme is used by the utility model：A kind of inland river and river and sea are big Type ballast-free ship type, shiplines refer to hull bottom, and the shiplines are all grouped into by stem, middle horizontal, afterbody three, described Afterbody is provided with convex tail under three Ge Shui Shang, and molded line flows to evagination to be vertical between convex tail under two Ge Shui Shang, vertical to flow to evagination and water The molded line of convex tail is connected by shallow volute molded line under Shang.

Further, tailing axle tail pipe passes through convex tail under the Shui Shang, and center line of shafting is less than common ship type.

Further, the stem is big tiltedly to stretch that the vertical stream of big outer drift type is first or tiltedly to stretch outer drift type bottom greatly greatly be ball on top It is first.

Further, wherein the middle cross is cutd open molded line and floated for S types are outer greatly.

A kind of inland river and the large-scale ballast-free green roll-on-roll-off ship of river and sea, inland river and the large-scale ballast-free of river and sea are green Color roll-on-roll-off ship includes hull, and hull bottom is energy-conservation shiplines, multideck is provided with the hull, using box transition Side wall and pillar support is complete indulges logical upper strata multideck, deck deck transverse and box transition side wall using longitudinal box beam and The bivalve leg of partial lateral box beam transition, its engine room casing, stem or so two sides of a ship realizes stable superstructure；

The shiplines are all grouped into by stem, middle horizontal, afterbody three:

The afterbody is provided with convex tail under three Ge Shui Shang, and molded line flows to evagination to be vertical between convex tail under two Ge Shui Shang, indulges Evagination is flowed to be connected by shallow volute molded line Yu the molded line of convex tail under Shui Shang；

The stem is big tiltedly to stretch that the vertical stream of big outer drift type is first or tiltedly to stretch big outer drift type bottom greatly be that ball is first on top；

Wherein the middle cross is cutd open molded line and floated for S types are outer greatly.

Further, the head end of hull is provided with large-scale gangplank, and large-scale gangplank is mechanically connected by wirerope and electrical hoist, Or two gunnels of hull respectively set a springboard or a gunnel sets springboard wherein.

Further, the ship length be 120 meters ~ 130 meters, width be 27.8 meters ~ 32.4 meters.

Further, the slope lane of vehicle rolling dress is provided between each layer carrier vehicle deck of hull.

Further, ship power fuel uses LNG clean energy resourcies, configures LNG gas engines, and LNG gases use tank Formula container, deposits in main deck, can also deposit in other rational positions.

Further, the forward superstructure is that orthodrome is streamlined.

The utility model has the advantages that the molded line and power-saving technology of optimization reach domestic green III grade of standard of roll-on-roll-off ship, this reality It is also maximum power-saving technology in itself with new maximization.Realize the multideck carrying of heavy motor truck and light-duty vehicle More so that economy is substantially improved.

Main hull is supported between upper deck by box transition side wall and respective strut, its engine room casing, stem or so two The bivalve leg of the side of a ship realizes stable superstructure.The utility model drives and is located at stem, before enclosure design into circular arc flow pattern Line reduces the resistance that stem is brought windward.It is more that hull indulges logical upper strata entirely between upper deck by box transition side wall supports Layer deck, such structure add the bearing strength of transition side wall carrying upper deck load, have saved steel material dosage again；Carry Weight automobile and Light-duty Vehicle are loaded using multideck causes carrier vehicle amount to be significantly increased.

Ship power fuel uses LNG clean energy resourcies, and system uses LNG gas engines, and the storage of LNG gases uses tank Formula container is deposited on main deck, and such arrangement makes handling and more convenient, the mode ratio directly irrigated with pipeline that changes the outfit Compared with the manner can save a large amount of LNG filling or the time to change the outfit.Bow sets large-scale gangplank, is advantageous to deck rolling dress and loads Or unloading cargo vehicle, set electrical hoist and wirerope supporting, by operating personnel's management system, realize springboard raising With decentralization, when loading and unloading finish, it is bonded with the close property of head end portion hull after springboard raising, is fixed using spiral fixer with hull, The bow of sealing can anti-waters stormy waves.

Stem sets first lateral thruster, and bow thruster cabin passes through left and right twice in double bottom from the gateway of port and starboard engine room casing Disengaging is led in longitudinal direction, and such arrangement facilitates staff and smoothly enters bow thruster cabin, and because not at carrier vehicle Deck on open up down to the door in bow thruster cabin, ensure that carrier vehicle deck entrucking rate maximize.

Tailing axle tail pipe pass through the water droplet under convex tail, under it convex depth using full-load draft be no more than navigation channel limiting displacement as Preferably, rib position adjacent at tailpipe exit is in droplet-shaped, is gradually transition to forward position grain direction slow U-shaped, and droplet-shaped transits to Delay U-shaped forward terminal to be located near cabin scuttle bulkhead, structure design is similar to conventional ship type, shipbuilding cost and conventional ship type Quite, it may not necessarily almost consider that ballast-free of the present utility model designs the increase to shipbuilding cost.

Three tails convex under it are also resided under water droplet the advantages of three tail of convex it is similar to and is provided with three slow-witted rudders, can be with during navigation Play a part of stable ship course, one kind is provided for the shipping-direction stability change that the especially big beam of the present utility model is brought The solution of optimization.International and domestic research and testing data for twin-skey ship shows:The utility model uses convex under water droplet The mechanism effect of the tail of type three is significantly better than twin-skey ship, by Naval Architecture and Ocean Engineering institute of Central China University of Science and Technology ship model towing water The tank experiment in pond laboratory, in fact ship speed of a ship or plane forecast achieve well-content achievement.

Brief description of the drawings

Make progressive explanation with reference to the accompanying drawings and examples：

Fig. 1 is inland river and the large-scale ballast-free green roll-on-roll-off ship bow and buttock lines front view of river and sea.

Fig. 2 is afterbody molded lines.

Fig. 3 is body plan.

Fig. 4 is inland river and the large-scale ballast-free green roll-on-roll-off ship front view of river and sea.

Embodiment

As shown in figure 1, a kind of inland river and the large-scale ballast-free ship type of river and sea, shiplines refer to hull bottom, described Shiplines are all grouped into by stem 1, middle horizontal 2, afterbody 3 three, and as described in Figure 2, afterbody 3 is provided with convex tail 31 under three Ge Shui Shang, Molded line flows to evagination 32 to be vertical between convex tail 31 under two Ge Shui Shang, and the vertical molded line for flowing to convex tail 31 under evagination 32 Yu Shui Shang leads to It is 1 to cross shallow volute molded line 33 and connect the airscrew diameter of convex tail 31 convex high ratio with under , Shui Shang：0.23-0.5, indulge flow direction The width of evagination 32 is 1 with action ratio：0 - 0.05.

Preferably, tailing axle tail pipe passes through convex tail under the Shui Shang, and center line of shafting is less than common ship type.Tailing axle tail pipe is worn Convex tail under the water droplet is crossed, convex depth is no more than navigation channel limiting displacement with full-load draft and is advisable under it, the phase at tailpipe exit Adjacent rib position be in droplet-shaped, is gradually transition to delay to forward position grain direction U-shaped, and droplet-shaped transits to slow U-shaped forward terminal and is located at Near cabin scuttle bulkhead, structure design is similar to conventional ship type, and shipbuilding cost is suitable with conventional ship type, almost may not necessarily Consider that ballast-free of the present utility model designs the increase to shipbuilding cost.Under water droplet it is also resided in the advantages of three tail of convex Under convex three tails be similar to and be provided with three slow-witted rudders, stable ship course can be played a part of during navigation, for this practicality newly The shipping-direction stability change that the especially big beam of type is brought provides a kind of solution of optimization.The utility model is used under water droplet The mechanism effect of the tail of convex three is significantly better than twin-skey ship, by the ship model towing of Naval Architecture and Ocean Engineering institute of the Central China University of Science and Technology The tank experiment of tank experiments room, in fact ship speed of a ship or plane forecast achieve well-content achievement.

Further, described preferable, stem 1 be big tiltedly to stretch that the vertical stream of big outer drift type is first or stem top is tiltedly stretched greatly outside greatly Drift type bottom is that ball is first.

Preferably, cross-sectional molded line 2 is the drift outer greatly of S types in.

Page first to the 3rd is accused in the experiment of Central China University of Science and Technology's Naval Architecture and Ocean Engineering institute ship model test towing tank room of testing, explanation Shiplines in this patent have passed through ship model test towing tank laboratory test, and test period is August 31 in 2016.

The experiment of Central China University of Science and Technology's Naval Architecture and Ocean Engineering institute ship model test towing tank room of testing accuses text first to page five, Illustrate that the afterbody of the hull of experiment is provided with convex tail under three Ge Shui Shang, molded line is outer for vertical flow direction between convex tail under two Ge Shui Shang It is convex, it is vertical to flow to evagination and be connected Yu the molded line of convex tail under Shui Shang by shallow volute molded line, stem 1 for it is big tiltedly stretch big outer drift type and indulge flow Head, in cross-sectional molded line 2 to be that S types are outer greatly float.

The experiment of Central China University of Science and Technology's Naval Architecture and Ocean Engineering institute ship model test towing tank room of testing accuse page 22 of text, two Page 13, illustrate the result of experiment.

In Fig. 4, a kind of inland river and the large-scale ballast-free green roll-on-roll-off ship of river and sea include hull 4, and hull bottom is Shiplines, multideck 5 is provided with the hull 4, is supported using the door type structure and pillar of box transition side wall complete Logical upper strata multideck is indulged, deck deck transverse uses longitudinal box beam and local transverse box type beam mistake with box transition side wall Cross, the bivalve leg of the side of a ship of its engine room casing, stem or so two realizes stable superstructure；

The shiplines are all grouped into by stem 1, middle horizontal 2, afterbody 3 three:

The afterbody is provided with convex tail 31 under three Ge Shui Shang, and molded line flows to evagination to be vertical between convex tail 31 under two Ge Shui Shang 32, it is vertical to flow to evagination 32 and be connected Yu the molded line of convex tail 31 under Shui Shang by shallow volute molded line 33；

The stem 1 is big tiltedly to stretch that the vertical stream of big outer drift type is first or big outer drift type lower ball head is tiltedly stretched greatly on top；

Wherein the middle cross 2 is cutd open molded line and floated for S types are outer greatly.

Preferably, the head end of hull 4 is provided with large-scale gangplank, and large-scale gangplank is mechanically connected by wirerope and electrical hoist.

Preferably, the ship length be 120 meters ~ 130 meters, width be 27.8 meters ~ 32.4 meters.

Preferably, the slope lane of vehicle rolling dress is provided between the first layer main deck of hull 4 and ceiling deck.

Preferably, ship power fuel uses LNG clean energy resourcies, configures LNG gas engines, and LNG gases use pot type Container, deposit in main deck;Other rational positions can also be deposited in.

Using the performance of the roll-on-roll-off ship after the shiplines of this patent, according to CCS ship Energy design index (EEDI) checking early stage report,（CCS check of drawings job controls number:WP16D032）:Meet that Department of Transportation of Ministry of Finance wealth is built [2014] No. 61 files are on high energy efficiency demonstration ship EEDI limit value requirements.Illustrate that the roll-on-roll-off ship of this patent reaches green rolling dress III grade of requirement of ship.

Ship heavy industry (Shanghai) power-saving technology Development Co., Ltd has carried out theory using CFD. panel methods during this patent passes through Analyze, shiplines stern uses convex tail 31 under three Ge Shui Shang in this patent, under two Xiang Lin Shui Shang between convex tail 31 Molded line be convex（It is i.e. vertical to flow to evagination 32）Although according to existing design experience, the molded line of vertical stream should be designed to Indent, it can be advantageous to save the energy, but proved by ship model experiment, the energy-saving effect in convex is better than concaving.

Tested by condition one of the shiplines of this patent to picture, and constant will only indulge of other conditions flows to the evagination of evagination 32 Position becomes indent and tested for condition two to picture.

The scope of freedom waveform under the V s=23Km/h speed of a ship or plane of condition one is given, is given under two V s=23Km/h speed of a ship or plane Scope of freedom waveform, it can be deduced that the scope of freedom wave making of condition two is more obvious, and higher in stem crest, has certain optimization Space, give the hull surface pressure coefficient distribution of condition one, the stern of condition two, it can be seen that pressure coefficient is distributed very Close, and physics is actual is consistent.From the oblique upward view of the afterbody of condition two as can be seen that after being pressed downward due to tailing axle, with hull The inadequate fairing of transition, in the flat end（Right first lap）Front after being pushed with axle（The right side second is enclosed）The uneven equal area of pressure is generated, Both liquid of crossing can be become gentler（Indent can be flowed to evagination 32 to be vertical, you can realize gentler mistake Cross）, and above mentioned problem is really not present in condition one, its hull pressure distribution is more uniform, and its energy consumption is also smaller.

In summary, the molded line under two Xiang Lin Shui Shang between convex tail 31 is convex downwards（It is i.e. vertical to flow to evagination 32）Phase Concaved than the molded line between the convex tail 31 under two Xiang Lin Shui Shang, reduce 2%-3% Ship Resistance, that is, reach energy-conservation 2%-3% energy-saving effects.

Claims (10)

1. a kind of inland river and the large-scale ballast-free ship type of river and sea, shiplines refer to below main ship deck, the hull type Line by stem, in cross-sectional, afterbody three be all grouped into, it is characterized in that:

The afterbody is provided with convex tail under three Ge Shui Shang, and molded line flows to evagination to be vertical between convex tail under two Ge Shui Shang, indulges flow direction Evagination is connected Yu the molded line of convex tail under Shui Shang by shallow volute molded line.

2. a kind of inland river according to claim 1 and the large-scale ballast-free ship type of river and sea, it is characterized in that：Tailing axle tail pipe Convex tail under through the Shui Shang.

3. a kind of inland river according to claim 1 and the large-scale ballast-free ship type of river and sea, it is characterized in that：The stem It is tiltedly to stretch that the vertical stream of big outer drift type is first greatly or tiltedly to stretch big outer drift type bottom greatly be that ball is first on top.

4. a kind of inland river according to claim 1 and the large-scale ballast-free ship type of river and sea, it is characterized in that：Wherein the middle cross Molded line is cutd open to float for S types are outer greatly.

5. a kind of inland river and the large-scale ballast-free green roll-on-roll-off ship of river and sea, inland river green roll-on-roll-off ship include hull, its feature It is：Multideck is provided with the hull, logical upper strata multideck is indulged using box transition side wall and pillar support entirely, Deck deck transverse uses longitudinal box beam and local transverse box type beam transition, its engine room casing, stem or so with box transition side wall The leg of two sides of a ship realizes stable superstructure；

The shiplines are all grouped into by stem, middle horizontal, afterbody three:

The afterbody is provided with convex tail under three Ge Shui Shang, and molded line flows to evagination to be vertical between convex tail under two Ge Shui Shang, indulges flow direction Evagination is connected Yu the molded line of convex tail under Shui Shang by shallow volute molded line；

The stem is that the big vertical stream head of outer drift type greatly or stem top of tiltedly stretching is that big outer drift type bottom greatly of tiltedly stretching is ball head；

Wherein the middle cross is cutd open molded line and floated for S types are outer greatly.

6. a kind of inland river according to claim 5 and the large-scale ballast-free green roll-on-roll-off ship of river and sea, it is characterized in that：Institute The head end for stating hull is provided with large-scale gangplank, and large-scale gangplank is mechanically connected by wirerope and electrical hoist.

7. a kind of inland river according to claim 5 and the large-scale ballast-free green roll-on-roll-off ship of river and sea, it is characterized in that：Institute State ship length be 120 meters ~ 130 meters, width be 27.8 meters ~ 32.4 meters.

8. a kind of inland river according to claim 5 and the large-scale ballast-free green roll-on-roll-off ship of river and sea, it is characterized in that：Ship The slope lane of vehicle rolling dress is provided between each layer carrier vehicle deck of body.

9. a kind of inland river according to claim 5 and the large-scale ballast-free green roll-on-roll-off ship of river and sea, it is characterized in that：Ship Oceangoing ship power fuel uses LNG clean energy resourcies, configures LNG gas engines, and LNG gases use tank container.

10. a kind of inland river according to claim 5 and the large-scale ballast-free green roll-on-roll-off ship of river and sea, it is characterized in that： Two gunnels of the hull respectively set a springboard or a gunnel sets springboard wherein.