CN1040960A

CN1040960A - Draught variable ship

Info

Publication number: CN1040960A
Application number: CN88106826.8A
Authority: CN
Inventors: 松本; 宗夫
Original assignee: Bruce Ship Design Co ltd
Current assignee: Bruce Ship Design Co ltd
Priority date: 1987-09-18
Filing date: 1988-09-16
Publication date: 1990-04-04
Also published as: JP2704618B2; JPH01289793A; WO1989002390A1; CN1017514B; IT8821982A0

Abstract

The present invention relates to variable drinking water ship, though existing catamaran has advantages such as shallow draft can navigate by water at a high speed, but navigation fashion exists because of inconvenience and stops and set sail thereby the problem of not convenient usefulness in shallow inland river of the depth of water and lake, gear of the present invention has central hull and is positioned at central hull both sides, the outside hull that its top, front and back end is coupled together, with driver train up and down outside hull can be moved up and down and be supported by central relatively hull, thereby the drinking water of ship ship can freely be changed between draft extreme and least draft, adapt to different navigating area situations, becoming can be at the desirable boats and ships of inland river and off-lying sea navigation.

Description

Draught variable ship

The relevant draught variable ship of the present invention, when this ship from the darker place of more shallow course, the place depth of water of the depth of waters such as lake, inland river the time, can change from shallow draft to deep draft free adjustment draft amount by the depth of water, be particularly suitable for as the express traffic ship that has good all-wave performance in the off-lying sea.

In ship design in the past, the carlot that becomes precondition, the load-carrying volume, lift-launch personnel or tonnage restriction, maximum speed when the speed of a ship or plane or trail run, the drinking water restriction waits and is the basis, thereby decision hull shape, size, maximum displacement, detailed catalogues such as draft extreme, yet in the inland river, the boats and ships of lake navigation are because the depth of water is more shallow, it must be shallow draft, owing to for light-draft oceangoing ship, must constitute wave making resistance, and friction drag is big hull bottom shape, to navigate by water the off-lying sea from the inland river, requiring of the high speed vessel on connection island is more, in this occasion, owing to must be the shallow draft structure, do navigation at a high speed even want in the off-lying sea of deep water, because of water resistance is big, the all-wave poor performance is also impossible.

Catamaran, hydrofoil boat, air cushion vehicle are as existing high speed vessel practicability already, and there are the following problems respectively.

Catamaran, be the configuration abreast at certain intervals of the hull of two homotypes, and on upper deck, make it to couple together, the balance of hull is good, because of this ship type shape reduces wave making resistance, can carry out the high speed navigation with superficial drinking water, yet, in the more shallow inland river of the depth of water, lake, because of unreasonable can not the stop and set sail aspect the drinking water, thereby can not utilize.

Hydrofoil boat is in the both sides of hull the hydrofoil that sinks in the water to be set, this hydrofoil produces lift and makes the hull come-up by the navigation of ship, therefore it can obtain the high speed that speed is three times in common ship approximately in the shallow draft navigation, yet owing to stopping and low speed when setting sail makes draft amount big, because of the shallow inland river of the depth of water, in the lake dependence with set sail on the same with catamaran thereby can not be utilized.

The hot ship of gas is to advertise strongly into pressurized air to the water surface from hull bottom to form air cushion, deadweight with this air cushion supporting ship makes it almost near the water surface, can with speed 4～5 times high speed navigation of common ship, can be amphibious, but because strong wind and noise becomes obstacle, so the shortcoming that existence can not all can freely utilize anywhere and cost is high.

Therefore the present invention is the variable where the shoe pinches that above-mentioned traditional high speed vessel can not set sail and stop from the shallow inland river of the depth of water that solves by making draft amount, to provide from the shallow draft to the deep draft, can adapt to situation, displacement is remained necessarily, draft amount can freely regulated draught variable ship be a purpose.

Below, the present invention is relevant in the shallow inland river of the depth of water, lake etc. and can navigate by water continuously in the dark off-lying sea of the depth of water, can make draft amount from shallow draft to the freely regulated draught variable ship of deep draft, this draught variable ship comprises central hull 10, about being positioned in pairs along these central hull both sides, and the outside hull 11 that couples together on its top, rear and front end, by the driver train up and down 12 that utilizes oil hydraulic cylinder 12b etc. the central relatively hull 10 of outside hull 11 can be supported by easy on and off versatilely, when outside hull 11 rises to uppermost position in fig-ure, the displacement of central authorities' hull 10 burdens reaches maximum, the displacement of outside hull 11 burdens reaches minimum, thereby obtains shallow draft H ₁, when outside hull dropped to upper/lower positions, the displacement of outside hull 11 burdens reached maximum, and the displacement of central hull 10 burdens reaches minimum or is zero, thereby obtains the darkest suction H ₃, and can be at shallow water H ₁With extreme draft H ₃Between free adjustment drinking water.

Next, explain implementing effect of the present invention, for having central hull and being positioned at the left and right sides of this central hull in pairs, and the outside hull that its top, front and back end is coupled together, and this outside hull can above-mentioned relatively central hull be moved up and down and the draught variable ship that is connected by the driver train up and down that utilizes fluid pressure cylinder or electrical retractor etc., for example in the shallow place of the inland river depth of water, outside hull is risen, thereby form the shallow draft type ship Bottom Shape that central hull and outside hull become one, with the ratio of undertaking displacement is that central hull is undertaken maximum, outside hull is undertaken minimum, thereby form shallow draft state, the darker place of the depth of water in the off-lying sea etc. on the other hand, outside hull is descended, thereby form 100% displacement is undertaken by outside hull, central authorities' hull forms the extreme draft state of the state of keeping afloat, just like the form the same wave making resistance and friction drag are reduced with catamaran, and make the stable high speed navigation of all-wave function admirable become possibility, and then obtain between shallow draft and extreme draft, when the displacement ratio that central hull and outside hull are undertaken changes, can by situation make the drinking water free adjustment from shallow draft to deep draft, or from deep draft to shallow draft in the middle of the drinking water on draught variable ship.

In addition, for pilot house, guest room are arranged on the above-mentioned central hull, and engine installation and propelling unit are arranged on draught variable ship on the side of said external hull, even drinking water changes, can make center of gravity often be positioned at the central part of ship, stability is guaranteed.

Embodiment

Below according to accompanying drawing the present invention is described in more detail.

The aspect of the relevant desirable draught variable ship of the present invention of expression among Fig. 1, represented mutually shipmate side view among Fig. 2, have central hull 10 and be positioned at about it in pairs along the both sides of this central hull 10, and the outer hull 11 that top, front and back end is coupled together with front end connecting portion 11a and rear end connecting portion 11b, hull 11 is shown dimetric shape greatly surrounding around the central hull 10 in addition, and each two place by entreating hull 10 left and right sides hereinto totally four places are provided with the driver train up and down 12 that riser guide 12a and oil hydraulic cylinder 12b by mutual binding form, and outside hull 11 can central relatively hull 10 be moved up and down like that be supported.

Pilot house 13 and guest room 14 are being set on central hull 10, are having pair of right and left engine installation 15 and propelling unit 16 on the side of outside hull 11.

Fig. 4,5,6th, by the state that central relatively hull 10 liftings of outside hull 11 is represented make drinking water to change, Fig. 4 is the state of outside hull 11 when rising to uppermost position in fig-ure, constitutes shallow draft H this moment ₁, make the hull bottom of central hull 10 and outside hull 11 consistent, on the ratio that displacement is undertaken, make central hull 10 for maximum, outside hull 11 is minimum.With shallow place navigation such as the depth of water of this state in the inland river etc.

Fig. 5 makes outside hull 11 drop to the state of midway location, drinking water H in the middle of at this moment becoming ₂, the ratio of undertaking of its displacement and shallow draft H shown in Figure 4 ₁State is compared, and central hull 10 is reduced, and outside hull 11 increases.

This state is suitable for locating navigation the dark slightly bank of the depth of water etc.

Fig. 6 is a state when making outside hull drop to upper/lower positions, constitutes extreme draft H this moment ₃, make central hull 10 almost near the water surface or float on the surface, its displacement burden is zero, and outside hull is born whole displacement, forms draft extreme, and become identical with traditional catamaran.

This state be suitable for the dark off-lying sea at high speed of the depth of water navigate by water and catamaran same, make wave making resistance, friction drag little, all-wave function admirable and stable high speed navigation becomes possibility.

In addition, in an embodiment, shown fluid pressure cylinder is a conduct embodiment of driver train 12 up and down, and on figure, express riser guide 12a and oil hydraulic cylinder 12b, yet be not limited to this embodiment, also can adopt the yo-yo fashion of rack-and-pinion, or the yo-yo fashion of ball bolt, or with the yo-yo fashion of motor coiling steel wire rope or utilize the mode that moves up and down etc. of the reciprocator of connecting rod mechanism.

Draught variable ship of the present invention described above is traditional might improve with the all-wave performance of tender because it has inland river that the shallow draft structure can not do in the off-lying sea at a high speed navigation by making with simple institution freedom conversion drinking water, can be formed in inland river and off-lying sea and navigate by water the desirable boats and ships of dual-purpose.

Draught variable ship optimum of the present invention is as reaching the off-lying sea from the inland river, the high-speed transit ship that island and city are coupled together, for example for island and city are coupled together for working and the usefulness of going to school, by utilizing the rivers and creeks can navigate by water near till the more convenient position of centre of the city, can establish trickleer traffic, navigate by water owing to making high speed in the off-lying sea in addition, and traffic time is shortened greatly.

Also be suitable for use as in addition in the inland river, the sightseeing ship locating to navigate by water such as lake, inland sea, archipelago small island bay.

Simple declaration to accompanying drawing

Fig. 1 is the birds-eye view of relevant desirable draught variable ship of the present invention, Fig. 2 is shipmate lateral plan when the shallow draft state, upward represent the deep draft state with long and two-short dash line with figure, Fig. 3 is for being illustrated in the deep draft state, along the section-drawing of Figure 1A-A line, Fig. 4,5,6th, along Fig. 2 B-B line amplification profile, Fig. 4 is the shallow draft state, Fig. 5 is middle drinking water state, and Fig. 6 is the deep draft state.

10 is central hull, and 11 is outside hull, and 11a is the front end connecting portion, and 11b is the rear end connecting portion, and 12 for moving up and down device, and 12a is a riser guide, and 12b is an oil hydraulic cylinder, and 13 is pilot house, and 14 is the guest room, and 15 is engine installation, and 16 is propelling unit, H ₁Be shallow draft, H ₂Be centre drinking water, H ₃Be extreme draft.

Claims

1, a kind of draught variable ship, it is characterized in that comprising central hull, be positioned at these central hull both sides and become pair of right and left, and the outside hull that its top, front and back end is coupled together is supported this outside hull with the driver train that moves up and down that the central relatively hull of this outside hull is moved up and down.

2, draught variable ship according to claim 1 is characterized in that on above-mentioned central hull pilot house and guest room being set, and engine installation and propelling unit are set on the said external hull.

3, variable drinking water ship according to claim 1 is characterized in that fluid pressure cylinder is used for the above-mentioned driver train that moves up and down.