EP0816219B1 - Watercraft with a raisable keel - Google Patents

Watercraft with a raisable keel Download PDF

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Publication number
EP0816219B1
EP0816219B1 EP97111208A EP97111208A EP0816219B1 EP 0816219 B1 EP0816219 B1 EP 0816219B1 EP 97111208 A EP97111208 A EP 97111208A EP 97111208 A EP97111208 A EP 97111208A EP 0816219 B1 EP0816219 B1 EP 0816219B1
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EP
European Patent Office
Prior art keywords
keel
watercraft
lifting
marked
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97111208A
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German (de)
French (fr)
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EP0816219A3 (en
EP0816219A2 (en
Inventor
Horst Wolf
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Individual
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B41/00—Drop keels, e.g. centre boards or side boards ; Collapsible keels, or the like, e.g. telescopically; Longitudinally split hinged keels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B2035/009—Wind propelled vessels comprising arrangements, installations or devices specially adapted therefor, other than wind propulsion arrangements, installations, or devices, such as sails, running rigging, or the like, and other than sailboards or the like or related equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B41/00—Drop keels, e.g. centre boards or side boards ; Collapsible keels, or the like, e.g. telescopically; Longitudinally split hinged keels
    • B63B2041/003—Collapsible keels, or the like, e.g. telescopically; Longitudinally split hinged keels
    • B63B2041/006—Telescopically collapsible keels

Definitions

  • the invention relates to watercraft, in particular Sailing boats or yachts that have a bottom Keel protruding from the bottom of the watercraft to stabilize the boat.
  • the movable one is supported Keel under load, e.g. a start, in the direction of travel, by tilting at a front and a rear position opposite the keel shaft.
  • the keel shaft must be so stable on the one hand be able to absorb such loads, and on the other hand, even in the fully extended state of the Kieles a comparatively large overlap in the direction of extension remain between the keel and the keel shaft. With that generally only one keel can be extended to a maximum 60% of the clear height of the keel shaft reached.
  • the keel according to the invention can be so large with a lifting height how the ship's height is built and thus achieved unusual depths. This is made possible by one so-called “fixed keel” that goes from the ship's deck to below of the ship's bottom is sufficient, and a “lifting keel” that supports the Surrounds the keel and glides along it.
  • the lifting and fixed keels form a rigid unit, so that only horizontal support forces in the ship deck and horizontal and vertical support forces in the ship's bottom must be initiated.
  • This keel still allows execution that is not up to the ceiling, but only up to an intermediate height, e.g. a table top.
  • the materials known in shipbuilding such as aluminum, Steel, stainless steel, can be used.
  • the fixed keel 11 consists of one or more, parallel columns 12a, 12b, 12c arranged vertically to one another are arranged and in the inner contours of the lifting keel 21st fit. It makes sense to consist of hollow profiles.
  • the fixed keel 11 has the upper end on the upper bearing 41 fastens and hangs freely on the keel shaft 4 or sliding in the lifting keel 21.
  • the lifting keel 21 is guided by means of slide rails 13 made of plastic.
  • Keel outer skin 22 with the keel webs 23 result.
  • Lifting keel 21 and fixed keel 11 thus form a rigid Unit that uses only vertical and horizontal Support forces supported on the upper and lower bearings must become.
  • the lifting keel 21 consists of an outer shell 22 and inner, especially vertical, from left to right continuous webs 23.
  • Ballast 24 is located at the lower end.
  • the lifting keel 21 is guided by fixed keel 11 and the lower bearing 31 and raised and lowered with the lifting device 51 and over the Lock 61 or the sleeve 26 connected to the ship against impacts (accident).
  • the lower bearing 31 is on the ship's floor 3, in particular one-piece, trained. It is divided into a horizontal surface 32 for vertical forces and a vertical surface 33 and 34 for horizontal forces.
  • the horizontal surface 32 is part of the load-bearing ship floor 3, that protrudes into the keel shaft 4 and one elastic pad.
  • the upper bearing 41 is through a plate 42 in the ceiling area or plate 43 formed in the table area, which on the Keel shaft supports.
  • the warehouse takes the horizontal and vertical support forces of the fixed keel part 11 and Lifting device 51.
  • the keel shaft 4 envelops and covers all parts of the keel the opening in the ship's floor 3. It consists of a hollow pillar that extends from the 3 floor to the ceiling 2 or only is guided up to the table top 43. It has a rectangular oral cross section 4a or the keel shape 4b. He broadcasts the vertical forces from the upper bearing 41 into the ship's floor 3 or the vertical and also the horizontal forces, if the system with the table top 43 ends. He continues to take the water pressure within the breakthrough.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Sliding-Contact Bearings (AREA)
  • Bridges Or Land Bridges (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Description

Die Erfindung betrifft Wasserfahrzeuge, insbesondere Segelboote bzw. Yachten, welche an ihrer Unterseite einen vom Boden des Wasserfahrzeuges nach unten abragenden Kiel zur Stabilisierung des Bootes aufweisen.The invention relates to watercraft, in particular Sailing boats or yachts that have a bottom Keel protruding from the bottom of the watercraft to stabilize the boat.

Es ist bekannt, den Kiel ganz oder teilweise beweglich auszugestalten, so daß der Kiel je nach Bedarf voll aus dem Bootsrumpf ausgefahren ist oder teilweise oder ganz in diesen zurückgezogen werden kann.(=Hubkiel)It is known that the keel is wholly or partially movable To design, so that the keel fully out as needed the boat hull is extended or partially or completely can be retracted into this (= lifting keel)

Ein Wasserfahrzeug mit den Merkmalen des Oberbegriffs ist auch bekannt aus FR-A-2 351 003A watercraft with the features of the generic term is also known from FR-A-2 351 003

Bei den bekannten Lösungen stützt sich der bewegliche Kiel bei Belastung, z.B. ein Anfahren, in Fahrtrichtung, durch Verkanten an einer vorderen und einer hinteren Stelle gegenüber dem Kielschacht ab.In the known solutions, the movable one is supported Keel under load, e.g. a start, in the direction of travel, by tilting at a front and a rear position opposite the keel shaft.

Dadurch muß der Kielschacht einerseits so stabil ausgebildet sein, daß er derartige Belastungen aufzunehmen vermag, und andererseits muß auch im voll ausgefahrenen Zustand des Kieles einevergleichsweise große Überdeckung in Ausfahrrichtung zwischen Kiel und Kielschacht bestehen bleiben. Damit werden in der Regel nur eine Ausfahrbarkeit des Kieles bis maximal 60% der lichten Höhe des Kielschachtes erreicht.As a result, the keel shaft must be so stable on the one hand be able to absorb such loads, and on the other hand, even in the fully extended state of the Kieles a comparatively large overlap in the direction of extension remain between the keel and the keel shaft. With that generally only one keel can be extended to a maximum 60% of the clear height of the keel shaft reached.

Der erfindungsgemäße Kiel kann mit einer Hubhöhe so groß wie die Schiffshöhe gebaut werden und erreicht damit ungewöhnliche Tiefen. Ermöglicht wird das durch einen sogenannten "Festkiel", der vom Schiffsdeck bis unterhalb des Schiffsbodens reicht, und einem "Hubkiel", der den Festkiel umschließt und an diesem entlanggleitet.The keel according to the invention can be so large with a lifting height how the ship's height is built and thus achieved unusual depths. This is made possible by one so-called "fixed keel" that goes from the ship's deck to below of the ship's bottom is sufficient, and a "lifting keel" that supports the Surrounds the keel and glides along it.

Hub- und Festkiel bilden eine biegesteife Einheit, so daß nur noch horizontale Auflagerkräfte in das Schiffsdeck und horizontale und vertikale Auflagerkräfte in den Schiffsboden eingeleitet werden müssen. The lifting and fixed keels form a rigid unit, so that only horizontal support forces in the ship deck and horizontal and vertical support forces in the ship's bottom must be initiated.

Dieser Kiel ermöglicht weiterhin eine Ausführung, die nicht bis zur Decke, sondern nur bis zu einer Zwischenhöhe, z.B. einer Tischplatte, geführt wird.This keel still allows execution that is not up to the ceiling, but only up to an intermediate height, e.g. a table top.

Es können die im Schiffsbau bekannten Materialien wie Alu, Stahl, Edelstahl, verwendet werden.The materials known in shipbuilding such as aluminum, Steel, stainless steel, can be used.

Eine Ausführungsform gemäß der Erfindung ist im folgenden beispielhaft näher beschriebene. Es zeigen:

Fig. 1:
einen bis zur Schiffsdecke reichenden Kiel im ausgefahrenen Zustand.
Fig. 2:
einen bis zur Schiffsdecke reichenden Kiel im eingefahrenen Zustand.
Fig. 3:
einen bis zur Tischplatte reichenden Kiel im ausgefahrenen Zustand.
Fig. 4:
einen bis zur Tischplatte reichenden Kiel im eingefahrenen Zustand.
Fig. 5:
einen Kiel im Querschnitt.
An embodiment according to the invention is described below by way of example. Show it:
Fig. 1:
a keel reaching to the ship's ceiling when extended.
Fig. 2:
a keel reaching to the ship's ceiling when retracted.
Fig. 3:
a keel reaching to the table top when extended.
Fig. 4:
a keel reaching to the table top when retracted.
Fig. 5:
a keel in cross section.

Der Festkiel 11 besteht aus einer oder mehreren, parallel zueinander angeordneten Säulen 12a, 12b, 12c, die vertikal angeordnet sind und in die Innenkonturen des Hubkieles 21 hineinpassen. Sie bestehen sinnvollerweise aus Hohlprofilen.The fixed keel 11 consists of one or more, parallel columns 12a, 12b, 12c arranged vertically to one another are arranged and in the inner contours of the lifting keel 21st fit. It makes sense to consist of hollow profiles.

Der Festkiel 11 ist mit dem oberen Ende am oberen Lager 41 befestigt und hängt an diesem frei in den Kielschacht 4 bzw. gleitend im Hubkiel 21.The fixed keel 11 has the upper end on the upper bearing 41 fastens and hangs freely on the keel shaft 4 or sliding in the lifting keel 21.

Die Führung des Hubkieles 21 erfolgt mittels Gleitschienen 13 aus Kunststoff.The lifting keel 21 is guided by means of slide rails 13 made of plastic.

Diese werden an den steifen Ecken des Festkieles 11 befestigt und wirken auf die ebenso steifen Ecken des Hubkieles 21, die sich im Schnittpunkt von dessen Kielaußenhaut 22 mit den Kielstegen 23 ergeben.These are attached to the rigid corners of the fixed keel 11 and act on the equally stiff corners of the lifting keel 21, which are at the intersection of it Keel outer skin 22 with the keel webs 23 result.

Über diese gleitende Verbindung zwischen Hubkiel 21 und Festkiel 11 werden alle inneren horizontalen Kräfte bzw. das Biegemoment innerhalb des Kieles übertragen. About this sliding connection between lifting keel 21 and Fixed keel 11 all internal horizontal forces or transmit the bending moment within the keel.

Hubkiel 21 und Festkiel 11 bilden also eine biegesteife Einheit, die nur mittels vertikaler und horizontaler Auflagerkräfte am oberen und unteren Lager abgestützt werden muß.Lifting keel 21 and fixed keel 11 thus form a rigid Unit that uses only vertical and horizontal Support forces supported on the upper and lower bearings must become.

Der Hubkiel 21 besteht aus einer äußeren Schale 22 und inneren, insbesondere vertikalen, von links bis rechts durchgehenden, Stegen 23.The lifting keel 21 consists of an outer shell 22 and inner, especially vertical, from left to right continuous webs 23.

Am unteren Ende befindet sich der Ballast 24.Ballast 24 is located at the lower end.

Ebenfalls am unteren Ende des Hubkieles wird die Hubvorrichtung 51 (z.B. Spindel) angeschlossen. Der Hubkiel 21 wird mittels Festkiel 11 und dem unteren Lager 31 geführt und mit der Hubvorrichtung 51 gehoben und gesenkt und über die Verriegelung 61 bzw. die Muffe 26 mit dem Schiff gegen Stöße (Havarie) verbunden.Also at the lower end of the lifting keel Lifting device 51 (e.g. spindle) connected. The lifting keel 21 is guided by fixed keel 11 and the lower bearing 31 and raised and lowered with the lifting device 51 and over the Lock 61 or the sleeve 26 connected to the ship against impacts (accident).

Das untere Lager 31 ist am Schiffsboden 3, insbesondere einstückig, ausgebildet. Es wird unterteilt in eine horizontale Fläche 32 für vertikale Kräfte und eine vertikale Fläche 33 und 34 für horizontale Kräfte. Die horizontale Fläche 32 ist Teil des tragenden Schiffsbodens 3, der in den Kielschacht 4 knaggenartig hineinragt, und einer elastischen Auflage.The lower bearing 31 is on the ship's floor 3, in particular one-piece, trained. It is divided into a horizontal surface 32 for vertical forces and a vertical surface 33 and 34 for horizontal forces. The horizontal surface 32 is part of the load-bearing ship floor 3, that protrudes into the keel shaft 4 and one elastic pad.

Das obere Lager 41 wird durch eine Platte 42 im Deckenbereich bzw. Platte 43 im Tischbereich gebildet, die sich auf den Kielschacht abstützt. Das Läger nimmt die horizontalen und vertikalen Auflagerkräfte des festen Kielteiles 11 und der Hubvorrichtung 51 auf.The upper bearing 41 is through a plate 42 in the ceiling area or plate 43 formed in the table area, which on the Keel shaft supports. The warehouse takes the horizontal and vertical support forces of the fixed keel part 11 and Lifting device 51.

Der Kielschacht 4 umhüllt alle Teile des Kieles und überdeckt dabei die Öffnung im Schiffsboden 3. Er besteht aus einer hohlen Säule, die vom Schiffsboden 3 bis zur Decke 2 oder nur bis zu der Tischplatte 43 geführt wird. Er hat einen rechteckigen 4a oder der Kielform angepaßten oralen Querschnitt 4b. Er überträgt die vertikalen Kräfte vom oberen Lager 41 in den Schiffsboden 3 bzw. die vertikalen und auch die horizontalen Kräfte, wenn die Anlage mit der Tischplatte 43 endet. Er nimmt weiterhin den Wasserdruck innerhalb des Bodendurchbruches auf. The keel shaft 4 envelops and covers all parts of the keel the opening in the ship's floor 3. It consists of a hollow pillar that extends from the 3 floor to the ceiling 2 or only is guided up to the table top 43. It has a rectangular oral cross section 4a or the keel shape 4b. He broadcasts the vertical forces from the upper bearing 41 into the ship's floor 3 or the vertical and also the horizontal forces, if the system with the table top 43 ends. He continues to take the water pressure within the breakthrough.

BEZUGSZEICHENLISTELIST OF REFERENCE NUMBERS

1 ○1 ○
Schiffship
22
Schiffsdeckdeck
33
Schiffsbodenshipdeck
4a4a
rechteckiger Kielschachtrectangular keel shaft
4b4b
ovaler Kielschachtoval keel shaft
Figure 00040001
Figure 00040001
FestkielFestkiel
12a,b,c12a, b, c
Hohlprofilehollow sections
1313
Gleitschienenslides
Figure 00040002
Figure 00040002
HubkielHubkiel
2222
Außenschaleouter shell
2323
StegeStege
2424
Ballastballast
25a,b,c25a, b, c
Kammernchambers
2626
Muffesleeve
Figure 00040003
Figure 00040003
Unteres LagerLower camp
3232
unteres Lager horizontal-elastischlower bearing horizontally elastic
3333
unteres Lager vertikal-elastischlower bearing vertically elastic
3434
unteres Lager vertikal starrlower bearing vertically rigid
Figure 00040004
Figure 00040004
Oberes LagerUpper camp
4242
Deckenplatteceiling tile
4343
Tischplattetabletop
Figure 00040005
Figure 00040005
Hubvorrichtunglifting device
6161
Verriegelunglock

Claims (8)

  1. Watercraft with keel, in which a movable lifting keel (21), in its longitudinal direction, the vertical direction, is at least partial movable opposite to the watercraft, in which the lifting keel (21) surrounds the fixed keel (11) at least partial,
    Thus marked that
    the lifting keel (21) and the fixed keel (11) are forming a stiff bending unit
    a keel trunk (4) with one opening in the ship's bottom (3) is planned
    the fixed keel (11) with his upward end is fixed on the upper bearing (41) and free suspended into the keel shaft (4)
  2. Watercraft after claim 1.
    thus marked that
    the lifting keel (21) is subdivided in several chambers (25) trough diagonally to the direction of travel ranging ribs (23) and the fixed keel (11) consisting of hollow columns, corresponding to the number and form of the chambers (25) of the lifting keel (21)
  3. Watercraft in conformity to one of the anterior claims
    thus marked that
    the fixed keel (11) is protruding downward out of the watercraft's bottom.
  4. Watercraft in conformity to one of the anterior claims
    thus marked that
    the keel trunk (4) can reach maximum into the watercraft up to the ships deck (2)
  5. Watercraft in conformity to one of the anterior claims
    thus marked that
    the keel trunk (4) can reach maximum into the watercraft up to the height of the desk plate (43)
  6. Watercraft in conformity to one of the anterior claims
    thus marked that
    between the lifting keel (21) and the fixed keel (21) are attached sliding tracks (13).
  7. Watercraft in conformity to one of anterior claims
    thus marked that
    the lifting keel (21) is lateral led at the ship's bottom through separate elastic sliding bearings (32).
  8. Watercraft in conformity to one of the anterior claims
    Thus marked that
    The lifting keel (21) is movable opposite the fixed keel (11) with help of a lifting device (51), for example a spindle.
EP97111208A 1996-07-03 1997-07-03 Watercraft with a raisable keel Expired - Lifetime EP0816219B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19626786 1996-07-03
DE19626786A DE19626786C2 (en) 1996-07-03 1996-07-03 Watercraft with a lifting keel

Publications (3)

Publication Number Publication Date
EP0816219A2 EP0816219A2 (en) 1998-01-07
EP0816219A3 EP0816219A3 (en) 1999-06-23
EP0816219B1 true EP0816219B1 (en) 2002-10-23

Family

ID=7798816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97111208A Expired - Lifetime EP0816219B1 (en) 1996-07-03 1997-07-03 Watercraft with a raisable keel

Country Status (3)

Country Link
EP (1) EP0816219B1 (en)
DE (2) DE19626786C2 (en)
DK (1) DK0816219T3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59803843D1 (en) * 1998-03-09 2002-05-23 Hellmut Krueger LKS lift keel system for sailing yachts
FR2820396B1 (en) * 2001-02-06 2003-10-03 Philippe Baron D ADJUSTABLE Keel FOR SAILBOATS
DE10134778B4 (en) * 2001-07-05 2006-04-06 Jörck, Hartmut Sailboat with heavily drafted waterlines
US20080190341A1 (en) * 2007-02-08 2008-08-14 Baruh Bradford G System and method of adjusting the location and position of the foresail on a sailboat
BE1017587A3 (en) 2007-04-27 2009-01-13 Erik Craps Sailboat, has solid body pivotally mounted to keel, where keel and mast share horizontal and transverse axes and are linked during rotation one-way coupling so that keel rotates independent of mast in direction of tilt
DE102011113561A1 (en) 2011-02-10 2012-08-16 Dr. Ralf Hinkel Holding GmbH Hubkielvorrichtung
WO2023082224A1 (en) * 2021-11-15 2023-05-19 无锡市东舟船舶设备股份有限公司 Fin stabilizer raising and lowering apparatus and research vessel

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1005758A (en) * 1963-09-26 1965-09-29 Frederick Joseph Theaker Improvements in and relating to keels or centre-boards for boats
DE1278870B (en) * 1964-06-12 1968-09-26 Torsten Boerje Gustafsson Keel, especially for sailboats
FR2053507A5 (en) * 1969-07-11 1971-04-16 Yvert Jacques
FR2148864A5 (en) * 1971-08-06 1973-03-23 Auzepy Brenneur Georges
US3753415A (en) * 1971-11-30 1973-08-21 S Burtis Hydrofoil-shaped stabilizing or attitude-affecting means for boats
FR2351003A1 (en) * 1976-05-13 1977-12-09 Cabrol Jean Pierre Adjustable keel for sailing boat - has extension to oppose wind force on sails lowered by mechanism on deck
DE2835085C2 (en) * 1978-08-10 1980-06-04 Guido, Juergen, Dipl.-Ing., 8402 Neutraubling Lifting keel for sports sailboats
DE2947523A1 (en) * 1979-11-26 1981-06-04 Ernst-W. Ing.(grad.) 4400 Münster Zühlke Hinged general-purpose keel with separately spreadable fins - has fin in halves, separately hinged, enclosing short central element
AU567757B2 (en) * 1983-09-05 1987-12-03 Sims, M.L. Improved hydrofoil keel.
DE3515090A1 (en) * 1985-01-22 1986-07-24 Fritz Dipl.-Kaufm. 7750 Konstanz Marggraff BOAT WITH LOWERING AND FOLDABLE KEEL

Also Published As

Publication number Publication date
DK0816219T3 (en) 2003-02-24
EP0816219A3 (en) 1999-06-23
EP0816219A2 (en) 1998-01-07
DE19626786A1 (en) 1998-01-08
DE59708537D1 (en) 2002-11-28
DE19626786C2 (en) 1999-02-11

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