DK167488B1

DK167488B1 - PARAVANE DESIGNED AS COPY OF SHIP HODS, NECESSARY FOR USE BY MINING

Info

Publication number: DK167488B1
Application number: DK511888A
Authority: DK
Inventors: Dieter Peters; Erwin Schneider
Original assignee: Howaldtswerke Deutsche Werft
Priority date: 1987-09-23
Filing date: 1988-09-15
Publication date: 1993-11-08
Also published as: EP0308698A1; EP0308698B1; DK511888D0; DE3731970C2; DE3871303D1; DE3731970A1; DK511888A

Description

i DK 167488 B1in DK 167488 B1

Den foreliggende opfindelse angår en paravane, hvor paravanen er udformet som kopi af skibsskrog og er bestemt til anvendelse til aktiv beskyttelse mod miner og har form af et neddykningslegeme med opdriftslegemer 5 samt dykke- og trimmeceller og til optagelse af anordninger til frembringelse af fysiske skibskendetegn, og navnlig er udformet som slæbelegeme, hvor neddykningslegemet er dannet af en indhylling af fleksibelt materiale af art som en slange til udformning af en optagebehol-10 der, og hvor der i bovområdet er anordnet vandindtrædelsesåbninger, og hvor hækområdet til dannelse af et hydrodynamisk tryk fra det indesluttede vand er hovedsagelig lukket udformet.The present invention relates to a paravane in which the paravan is designed as a copy of ship hulls and is intended for use for active protection against mines and is in the form of a dive body with buoyancy bodies 5 as well as dive and trim cells and for receiving devices for producing physical ship characteristics. and, in particular, is designed as a drag body, wherein the dive body is formed of a casing of flexible material of a kind such as a hose for forming a take-up container, and where in the upper region water entry openings are provided, and the stern area for forming a hydrodynamic pressure from the enclosed water is mainly closed formed.

En sådan paravane kendes fra USA-patentskrift nr.Such a paravane is known from US Pat.

15 2,967,504. Ved denne kendte paravane foreligger der det problem udover tryk at simulere skibskendetegn i henseende til magnetik og i givet fald i henseende til akustik med henblik på kunstigt at muliggøre en tænding af mere moderne miner samt herudover at tilvejebringe mod-20 standsdygtighed over for de høje belastninger, der opstår fra miner, som detonerer i en umiddelbar nærhed. I USA-patentskrift nr. 2,969,036 er den ganske tilsvarende teknik også beskrevet, idet der i dette USA-patentskrift er indføjet nogle videreudformninger af denne teknik, 25 nemlig i fig. 8-14. Foranstaltninger til simulering af skibskendetegn i henseende til magnetik og akustik findes ikke angivet i disse to USA-patentskrifter. Den kendte teknik, der angives i disse skrifter, findes indholdsmæssigt inkluderet i den teknik, der angives 30 indledningsvist i det foregående.2,967,504. In this known paravane, there is the problem besides pressure to simulate ship characteristics with respect to magnetics and, where appropriate, with respect to acoustics, in order to artificially enable the ignition of more modern mines as well as to provide resistance to the high loads. arising from mines that detonate in the immediate vicinity. In U.S. Patent No. 2,969,036, the quite similar technique is also described, with some further embodiments of this technique, namely in Figs. 8-14. Measures to simulate ship characteristics with respect to magnetics and acoustics are not provided in these two United States patents. The prior art disclosed in these writings is included in the content contained in the prior art set forth above.

Det er den foreliggende opfindelses opgave at tilvejebringe forbedring af de kendte paravaner og at muliggøre en simulering af skibskendetegn navnlig i henseende til tryk og til magnetik, der foreligger ved 35 skibe, der befinder sig flydende i vandoverfladen, samt også ubåde og samtidig at der er tilsikret indhyllingen DK 167488 B1 2 en stabilisering mod en høj belastning fremkaldt af detonerede miner.It is the object of the present invention to provide improvement of the known paravans and to enable a simulation of ship characteristics, in particular with regard to pressure and magnetics, present in 35 vessels floating in the water surface, as well as submarines and at the same time there are the sheath DK 167488 B1 2 ensured a stabilization against a high load caused by detonated mines.

Denne opgave er ifølge opfindelsen ved en paravane af den indledningsvis angivne art tilvejebragt derved, 5 at indhyllingen optager en spiralformet vikling til frembringelse af et magnetfelt.According to the invention, this object is provided by a paravane of the type indicated in the introduction, in that the envelope receives a helical winding to produce a magnetic field.

Herved er der muliggjort fremstilling af en dels økonomisk fordelagtig samt dels i håndteringsmæssig henseende simpel og sprængsikker apparatbærer, der er 10 brugbar ved aktiv uskadeliggørelse af miner med tændme-kanismer af kombineret art,This makes it possible to produce a partly economically advantageous and partly in terms of handling simple and explosive device carrier which is useful in the active harmless mining of combustion canes of a combined kind,

Endvidere foreslås det ifølge opfindelsen, at der til forstærkning af et magnetfelt i indhyllingen er indført jernpartikler, såsom små kugler 15 Endvidere foreslås det ifølge opfindelsen, at ind hyllingen for neddykningslegemet ved hjælp af en styrbar spændetovsanordning er anordnet sammenrykkelig mellem bov- og hækelement til længdeændring. Det opnås herved, at geometrien for trykfeltet på simpel måde er indstil-20 lelig, og at der lader sig indstille forskellige længder.Further, according to the invention, it is proposed that, in order to reinforce a magnetic field, iron particles, such as small balls, are introduced into the casing. In addition, it is proposed according to the invention that the shelf for the dive body is arranged with a controllable tension rope device to be foldable between bow and stern end for lengthening. . It is hereby achieved that the geometry of the pressure field is simply adjustable and that different lengths can be adjusted.

Til forstærkning af trykfeltet foreslås det ifølge opfindelsen, at neddykningslegemets hækelement er udrustet med en styrbar passageåbning til indstilling af 25 opstuvningstrykket i neddyknings legemet. Det er i forbindelse hermed fra USA-patentskrift nr. 3,012,534 allerede kendt at styre vandgennemstrømningen med en propelpumpe .In order to strengthen the pressure field, it is proposed according to the invention that the dive element of the dive body is provided with a controllable passage opening for adjusting the stiffening pressure in the dive body. It is already known in this connection from US Patent No. 3,012,534 to control the water flow with a propeller pump.

Udførelsesformer ifølge opfindelsen beskrives nær-30 mere i det følgende under henvisning til tegningen, hvor:Embodiments of the invention are described in more detail below with reference to the drawings, in which:

Fig. l set fra siden viser en neddykningslegemeanordning,FIG. 1 is a side view of a submersible body assembly,

Fig. 2 viser det i fig. 1 viste set forfra, og 35 Fig. 3 viser i forstørret målestok et deludsnit ved X af den i fig. l viste indhyllingskappe og endvidere 3 DK 167488 B1 inkluderende en vikling.FIG. 2 shows that in FIG. 1, and FIG. 3 shows, on an enlarged scale, a partial section at X of the one shown in FIG. 1, and furthermore, including a winding.

Ved en på tegningen vist udførelsesform er der vist et neddyknings legeme 1, som er anbragt ved hjælp af svømmere 2 forbundne via træktove 3, og som bliver truk-5 ket via et slæbetov.In one embodiment shown in the drawing, a dive body 1 is shown which is arranged by means of swimmers 2 connected via pull ropes 3 and which is drawn by a tow rope.

Det i form af en cylinder foreliggende neddykningslegeme 1 er dannet af et formstabilt bovelement 5 og hækelement 6, hvorimellem der er anordnet en fleksibel midterdel 7.The submersible body 1 in the form of a cylinder is formed by a form-stable upper member 5 and a hook member 6, between which a flexible central part 7 is arranged.

10 Bovelementet 5 er fladhovedet udformet og er udrus tet med en trimmecelle 8, slæbeanordning 9 og en middeltonestøj simulator 10. Middeltonestøjsimulatoren 10 simulerer i det midterste frekvensområde af et skibs støj-spektrum. Bovelementet 5's endeflade har åbninger 11, 15 gennem hvilke neddyknings legemet l's inderrum altid er fyldt med havvand, som i forhold til det omgivende vand udviser en trykdifference svarende til opstuvningstryk-ket.The bow element 5 is flat-headed and is equipped with a trim cell 8, towing device 9 and a mid-tone noise simulator 10. The mid-tone noise simulator 10 simulates in the middle frequency range of a ship's noise spectrum. The end surface of the bow element 5 has openings 11, 15 through which the inner compartment of the immersion body 1 is always filled with sea water which, in relation to the surrounding water, exhibits a pressure difference corresponding to the buoyancy pressure.

I det konusformede hækelement 6 befinder der sig et 20 som apparatrum udlagt fortrængningsvolumen 12, som afgrænser det underliggende driftsoperationsrum i hækelementet 6, og hvori påkrævede anordninger 13 til styring af simulationsudstyret er anordnet.In the cone-shaped hitch element 6 there is a displacement volume 20 which is defined as apparatus space, which defines the underlying operating operating space in the hitch element 6, and in which devices 13 for controlling the simulation equipment are required.

Endvidere er i og ved hækelementet anordnet trimme-25 cellerne 8, tovspils-anordninger påkrævet til forkortning af neddykningslegemet 1, bestående af spil 14, spændetov 15 og tovholdeanordning 16, endvidere trykgas-lagerenhed 18 anbragt til trykgasfyldning af neddykningsceller 17 og trimmeceller 8, roranlæg 19, der er 30 installeret som manøvreringshjælpemiddel, samt en dybtones imulator 20, som i det nedre frekvensområde simulerer et skibs støjspektrum.Further, in and at the stern member are provided the trimming cells 8, rope play devices required to shorten the dive body 1, consisting of winch 14, tension rope 15 and rope holding device 16, 19, which is 30 installed as a maneuvering aid, as well as a deep tone emulator 20, which simulates the noise spectrum of a ship in the lower frequency range.

Midterdelen 7 består af en indhylling 21 bestående af fleksibelt materiale, f.eks. gummi med vævsindlæg, 35 hvori der i den samlede længde er spiralformet indføjet en vikling 22. Indhyllingen 21 er opdelt i økonomisk DK 167488 B1 4 fordelagtigt fremstillelige moduler, som via forbindelseselementer 23 er forbundet indbyrdes og med hækelementet 6 samt bovelementet 5. Den i indhyllingen 21 indføjede vikling 22 har sine dimensioner og viklingsantal 5 således dimensioneret, at de ved hjælp af regulerbare strømstyrker frembringer magnetfelter, der modsvarer et flertal af skibe, der skal simuleres.The middle portion 7 consists of a casing 21 consisting of flexible material, e.g. rubber with tissue inserts 35 in which, in the overall length, a coil 22. A wrap 22. The wrap 21 is divided into economically advantageous modules which are connected to each other via connecting elements 23 and to the hook element 6 as well as the bow element 5. 21 inserted winding 22 has its dimensions and winding number 5 so dimensioned that by means of adjustable currents they generate magnetic fields corresponding to a majority of ships to be simulated.

Viklingen 22 tjener ud over frembringelse af magnetfeltet også til tilvejebringelse af den fleksible 10 indhylling 21's geometriske form, navnlig ved små trykdifferencer (lav hastighed).In addition to generating the magnetic field, the winding 22 also serves to provide the geometric shape of the flexible envelope 21, particularly at small pressure differences (low speed).

Til opnåelse af den krævede neddykningsstilling og ønskede neddykningsdybde er neddykningslegemet 1 udrustet med tilsvarende anordninger hertil, såsom neddyk-15 ningsceller 17, trimmeceller 8, træktove 3 og svømmere 2.To obtain the required dive position and desired dive depth, the dive body 1 is equipped with corresponding devices therefor, such as dive cells 17, trim cells 8, draft ropes 3 and swimmers 2.

Energiforsyningen og styringen af de enkelte funktionssystemer finder i dette tilfælde sted ud fra det slæbende fartøj via det træksikre forsyningskabel.In this case, the energy supply and control of the individual functional systems takes place from the towing vessel via the tow-proof supply cable.

Claims

5 DK 167488 B1

1. Paravane designed as a copy of ship's hulls and intended for use for active protection against mines and in the form of a buoyant body with buoyancy bodies and diving and trim cells and for the recording of devices for producing physical ship characteristics, and in particular designed as towed bodies; wherein the immersion body is formed of a casing of flexible material of a kind such as a hose for forming a receptacle, and wherein water entry openings are provided in the upper region, and the stern area for forming a hydrodynamic pressure from the enclosed water is substantially closed. formed, characterized in that the casing (21) accommodates a helical winding (22) to produce a magnetic field.

Paravane according to claim 1, characterized in that iron particles, such as small spheres, are introduced into the casing (21) to reinforce a magnetic field.

Paravane according to claim 1 or 2, characterized in that the casing (21) for the submersible body 20 (1) is arranged by means of a controllable tensioning device (14, 15, 16) foldable between the bow and stern element (5, 6) for length change. .

Paravane according to claim 1, 2 or 3, characterized in that the dive element 25 (6) of the dive body (1) is provided with a controllable passage opening for adjusting the pressure in the dive body (1).