IL29431A - Ship hulls,especially for cargo vessels - Google Patents

Description

especially cargo vessels The relates to especially motor and more particularly to cargo vessels which can he arranged for general as bulk carriers or for container as and which can be produced by a sectional or unit production of a hull by assembling prefabricated modules on a unit principle as is to a substantial reduction in This preferred method of construction has nevertheless disadvantages to the fact that a plurality of specially produced igs or patterns is necessary for the several modules which are of various and whereby the expense is substantially increased Furthermore the variety of the sections involves comparatively high stock a multiplicity of tion work and procurement of a wide range of auxiliary invention has the object substantially to duce the time of production of a hull without departure from the proved sectional inventions consists in a hull comprising a midship section with parallel port and starboard and fore and aft intermediate sections whose sides verge towards the and stern wherein the midship section is at least in and preferably composed of fully interchangeable prefabricated and the fore and aft intermediate sections are at least in and preferably composed of prefabricated modules which interchangeable these two boat approach to a rational method of in which the ship consists of the largest possible of interchangeable and the smallest possible number of modules differing from one another as regards their dimensions and For of this invention it is sufficient that those modules have identical outer shapes to the required for assembling adjacent interior may differ from module to module according to the overall plan of the and the structural wall strength and other structural features of the several modules also be modular construction in accordance with the vention achieves particular advantages if the hull or the outer skin receives a shape is according to an earlier exclusively om plain triangular or polygonal surfaces which are arranged at a definite angle one to the In this tray the assemblage of the hull does not reuire special skill or special and the otherwise shaping of the hull plating is almost completely avoided as an additional considerable automatic equipment can be a particularly advantageous feature of the tion the top and the bottom can be formed from identical modular units in the of substantially rectangular slabs and the same or similar modular units may be used as part of the outer Those units which are disposed on the sides of the bottom and top deck facing the hull plating may be bevelled along one use of such modular nits in the construction the arrangement of a particularly advantageous hatch At the same time it increases the load capacity of the hull and stabilisation and seagoing module construction of t he hull according to the invention provides a great versatility of design of the ship can readily be adapted to various purposes by the of appropriate prefabricated latter and be so selected and disposed that the ship thus assembled for a or a bulk or an open carrying out the invention it of advantageous to build as much as possible of both the midship and the fore and aft intermediate sections modules in accordance with the and the best results will achieved if these parts of a hull composed entirely of such Even the bow and stem sections proper may at least in part modular units of the individual modules be so disposed that their largest surfaces extend but in some places they may be disposed with their largest surfaces extending In some modular units may be arranged in the median longitudinal of the top In order further to increase the cargo space for special goods such as interconnected modular units may be provided in the region of top deck and the hull As stated above the modular units permit a particularly convenient arrangement of the hatch modular units may be arranged i the region of the upper of the top and the hatch openings fee in by hatch designed to be or to be which covers may be arranged in a plane the top I the top io made available as completely as possible deck Embodiments of the invention ar by tray of in the drawings in 1 is a side view of the hull of a motor cargo vessel Figs 2 to 9 show various of such hull showing different loading arrangements on different 10 is a perspective of the midship 11 a corresponding to a larger is a corresponding to drawn to a The motor vessel of I consists of five joined together on the unit for example by welding together on a sections are a fore section a fore intermediate section a midship section an aft and termediate section 5 similar to section aft section The fore and aft sections 6 are constructed in any suitable known preferably each as a prefabricated The nidship section has parallel sides which may be and either vertical or converging towards the and this section is assembled entirely prefabricated modules in accordance the invention which are completely and those of section 5 converge towards the aft section Both sections 2 and 5 are again built up from modules according to the In a preferred embodiment of the invention the angles of convergence of sections 2 and 5 are the makes it possible to use pairwise interchangeable modules for their She cargo loading such as derricks is provided but not shown on the Double bulkheads 7 are provided between the midship 3 and intermediate sections 2 serve as borders f or te carrying space hatches still to be the modules of the interchangeable sections 3 and 5 comprise a double bottom top deck 10 and side walls 11 11 and double bottom 9 and top deck 10 are preferably ormed of hollow modular such as beam like units 12 of square section and flat rectangular units 13 and The greater the aggregate length of sections and in relation to the total length of the the greater the proportion of the part of the hull relative to the parts not so the more pronounced are advantages achieved by the As will be seen from 2 to 12 outer ends of the horizontally disposed modular units 13 forming the bottom and deck are whereby the bottom and are to merge into the side walls in a manner satisfactory from the point of view of mechanical stability and of Host of the modular units 13 and 14 shown in 9 and 12 are arranged their largest surfaces extending units 13 may be disposed with their is of the 13 and in 8 where apair each 13 and 14 is arranged on either side of hull as a part of the side 8a how unite 12 of square cross disposed in the deck carry a deck ture 28 which includes a coaming fo recei ing the hatch eover 24 which is flush with the deck and serves as a support containers 18 forming a deck In a general manner the selection and structural disposition of the modular units 14 in region of the top deck be i the modules of sections 3 and depends on the type of cargo for which the ship is cargo for example9 containers 18 2S 8a general cargo 19 vehicles or bulk material 22 The selected appropriate dimensions of the 13 and 14 their favourable arrangement in the neutral zones enables the hull to be constructed thout transverse frames apart from the the usable load pecially for general can be better utilized than in usual motor vessels built with transverse as is convincingly in 2 to 11 as compared with conventional a given cargo capacity be provided with a smaller overall length of the whereby the draught is a vessel in soae have one bulkhead less than has a conventional vessel the cargo spaces bounded by double bulkheads 7 room bulkheads and collision which have not been The double bulkheads 7 are at their top with a box frame for mitting and torque double heads 7 additionally be adapted to receive ballast and also serve for accommodation the cargo space ventilation Preferably the double bulkheads 7 have a completely outer which be achieved i all stiffening lie within For use as a general cargo vessel the ship is vided with pivoted suspended decks 15 when lowered into horizontal form of an intermediate deck which is completed by false deck members IS in the region of the VJhen tho same vessel is to b used bulk cargo the false decks IS are removed and the decks 15 raised by means of a swing device 17 locked to uni shown in In this position the false deck 15 provides ship with the properties of for bulk cargo If false are to be provided as shorn in these can be folded against the false decks 15 when the latter are locked in the raised and be fastened to them that in this a complete loading is available for use as a sel bulk cargo the particular arrangement of units 14 in the region of the top deck 10 io moreover possible reduce dead space to a particularly loading with general 19 or containers as shown arrangement of the 14 in the region of the top 10 has the additional great advantage that these units can filled large amounts of water in ballas which ensures satisfactory seagoing behaviour under Of particular significance is the fact that these provide a new for arranging the hatches which presents a considerable technical hatch opening 25 is in the longitudinal direction of ship fey units and transversely by double bulkheads 7 or top frame members and in some cases by the engine room bulkhead and the collision The vessel thus an almost completely continuous loading and unloading opening when used as a general cargo ship or as a bulk cargo the arrangement of the units 14 lateral deck supports 10 and the hatch opening closed by hatch covers latter arc located in the of the double bulkheads 7 and the spaces in a manner one from the arrangement according to 5 and 11 is a ship which has two parallel hatch openings 27 and 29 running lengthwise of the a maximum number of containers 18 can bo loaded on guide rails the smallest possible dead As shown in 11 the hatch openings 27 and are defined laterally in longitudinal direction of the shi by additional centrslly arranged modular units arranged their largest faces with to surfaces with the hatch This is convenient i case of a container Alternatively the median 13 be spaced from one another f thus the cargo space into three separate and in these cases the units 13 the spaced units 13 serve as guide frames for the containers the cargo will be seen particularly from 10 and 11 it is possible to arrange the hatch construction within the height of the units owing to the arrangement of the 14 so that the upper deck 10 has a completely flat surface without camber and without floor rise and there are no projecting hatch coamings the plane of the top deck 109 otherwise been She deck surface is thus and shape of the hatch covers it is possible to operate a deck load over the whole of the top deck surface 8a and The necessary degree of safety for loading and unloading can be obtained when the hatch opening flush with the top deck for example by the fact that locking or unlocking of the hatch cover s only possible after the erection of a guard rail Shis guard rail reliably that seamen and other persons on deck cannot fall into the open hatch opening She guard rail is designed lie collapsed between the cover 23 and 10 when the ha is W the hatch cover 23 is released and lifted the guard rail 30 cam be raised mechanically so that the ing of the guard rail in protective position occurs in every before the hatch is o It will that in order to satisfy a demand for a carrying capacity of the only the midship section has to ho dimensioned and this does not involve any particular constructional The intermediate are attached to the properly dimensioned n As a result of the of the fabricated modules the production of hull becomes highly and both the original construction and any repairs the hull structure can be carried out insufficientOCRQuality

Claims (1)

1. A hulls especially cargo motor comprising a midship section with parallel port and starboard and fore and aft intermediate sections whose sides converge towards the and stern wherein the midship section is at least in and preferably composed of fully interchangeable and the and aft intermediate sections at least in and preferably composed of prefabricated modules which are interchangeable between these t A hull as claimed in Claim wherein the sides of the section are A hull as claimed in Claim wherein the sides of the saidship section are module for building a hull according to Claims 2 or being composed at least in part of modular A module as claimed in Claim wherein the units include hollow oblong rectangular A module as claimed in Claim wherein some slabs are disposed with their largest surfaces extending in the bottom and top deck A module as claimed in Claim wherein som slabs are disposed with their largest surfaces extending in the sides in the median longitudinal axis of the 13 A module as claimed in Claims wherein the outer ends of outermost slabs of the and top deck are bevelled for forming transitions to sides of the A module as claimed in any of 4 to the modular units include hollow beams of square A hull built from modules according to any of Claims 4 A hull built as claimed in Claim wherein hatch openings are framed by modular units according to Claims 5 or hull as claimed in Claim wherein the modular framing hatch openings form the support or centering of hatch covers whose top surfaces are substantially flush with the top of the For the Applicants insufficientOCRQuality