EP0613817B1 - Installation de propulsion marine avec une hélice placée au dessous de la coque, dont le fond est de préférence totalement plat, ou dont le fond est plat aux environs de l'installation de propulsion - Google Patents

Installation de propulsion marine avec une hélice placée au dessous de la coque, dont le fond est de préférence totalement plat, ou dont le fond est plat aux environs de l'installation de propulsion Download PDF

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Publication number
EP0613817B1
EP0613817B1 EP94102988A EP94102988A EP0613817B1 EP 0613817 B1 EP0613817 B1 EP 0613817B1 EP 94102988 A EP94102988 A EP 94102988A EP 94102988 A EP94102988 A EP 94102988A EP 0613817 B1 EP0613817 B1 EP 0613817B1
Authority
EP
European Patent Office
Prior art keywords
shaft
propulsion system
ship
ship propulsion
propeller
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
EP94102988A
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German (de)
English (en)
Other versions
EP0613817A1 (fr
Inventor
Manfred Dipl.-Ing. Heer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schottel GmbH and Co KG
Original Assignee
Schottel GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schottel GmbH and Co KG filed Critical Schottel GmbH and Co KG
Publication of EP0613817A1 publication Critical patent/EP0613817A1/fr
Application granted granted Critical
Publication of EP0613817B1 publication Critical patent/EP0613817B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 
    • B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
    • B63B17/0018—Arrangements or devices specially adapted for facilitating access to underwater elements, e.g. to propellers ; Externally attached cofferdams or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/42—Steering or dynamic anchoring by propulsive elements; Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/42—Steering or dynamic anchoring by propulsive elements; Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
    • B63H2025/425—Propulsive elements, other than jets, substantially used for steering or dynamic anchoring only, with means for retracting, or otherwise moving to a rest position outside the water flow around the hull

Definitions

  • the invention relates to a ship propulsion system according to the preamble of claim 1.
  • US-A-3,807,347 describes a boat drive with a propeller, the drive being intended in particular as an auxiliary drive for sailboats, which is located during normal operation of the boat in a vertical shaft of the hull, which with the drive retracted at the lower end with one of the contours of the Boat hull following plate is locked. If the auxiliary drive is required, the plate and propeller are moved out of the shaft or removed from the lower end of the shaft so that the propeller can work in the surrounding water.
  • the propeller and cover plate are part of one structural unit.
  • the shaft is extended above the water level so that it does not have to be sealed at the upper end.
  • DE-B-1 136 907 describes a control screw arrangement in which there may be a plurality of control screws on the lower one End of a waterproof tubular body are arranged, which is arranged floating in a vertical shaft of the hull of the watercraft, to which the control screw arrangement is assigned, in order to give the control screw arrangement the opportunity to deflect upwards and to prevent it from being damaged when the control screw arrangement is touched.
  • the waterproof tubular body is equipped with a flood and drainage device.
  • a rudder propeller arrangement as an auxiliary control for sailing yachts is described in DE-A-3 201 654, in which the rudder propeller can be retracted into a vertical shaft in the ship's hull when not in use and the shaft at the lower end is closed by a plate which follows the contour of the ship and which is vertical adjustable drive is assigned and consequently follows the vertical adjustment movements of the rudder propeller arrangement.
  • the invention is based on a ship propulsion system that includes a rudder propeller.
  • propulsion systems are generally assigned to watercraft that are intended for traffic even in shallow water.
  • Such watercraft have a flat bottom, at least in parts, and a vertical drive shaft train is passed through this floor, sealed against water, which connects the motor housed inside the ship to the propeller below the ship's bottom and outside the watercraft. Rotating around its horizontal axis, the propeller propels the watercraft.
  • the ability to run in shallow water is now limited when the propeller is below of the ship's floor. In such cases, the propeller can therefore be moved into a shaft integrated into the ship's contour. If the watercraft comes into correspondingly shallow water, the propeller is raised into the shaft to such an extent that it comes behind the level in which the ship's floor is located. Although the watercraft can no longer be directed using the propeller, it can still drive with other means in an area where it would otherwise not be able to get because the water depth is too shallow.
  • the problem was solely a problem of shipping traffic.
  • the watercraft should enter very shallow water and be able to be moved there temporarily, for example in order to be loaded or unloaded as close as possible to the shore.
  • the invention addresses the problem in a completely different aspect. She wants to further develop a watercraft, the drive of which is designed as required, so that repairs can be carried out on the underwater part of the drive with as little effort as possible. With the previous watercraft, the need for a repair on the outboard part of the drive always resulted in the vehicle being brought ashore or into a dock or was this a prerequisite for a repair if one did not want to remove the entire drive, which in turn involved was associated with considerable effort. This is now changed with the invention in such a way that a considerable part, in particular minor repairs, is possible without the vehicle being brought ashore, into a dock or the drive must be removed when the vehicle remains in the water.
  • the entirety of the invention makes this possible in that when the propeller is pulled up into the shaft, the shaft is sealed off from the water surrounding the watercraft, the water is pumped out of it and the chamber thus emptied can be made accessible to maintenance personnel.
  • the energy generation part that is to say the engine, transmission, etc., is arranged in the interior 2 of the watercraft enclosed by the outer skin 1 and since it can be of any desired type, it is not shown.
  • the vertical drive shaft train 3 leads from the inboard energy generation part to the outboard propeller 4, which can be rotated about its horizontal axis of rotation 5 in order to propel the watercraft.
  • Drive shaft train 3 with vertical longitudinal axis 6 and propeller shaft with horizontal axis of rotation 5 are non-positively connected in a known manner via an angular gear (not shown).
  • the propeller 4 is a rudder propeller and with its help the direction of propulsion of the watercraft is to be determined, which is why it can be pivoted by up to 360 ° about the longitudinal axis 6 of the drive shaft train 3, which in turn is known per se, for which reason the means for this are not shown.
  • the rudder propeller 4 is surrounded by a nozzle 7.
  • a shaft 8, which is a rotationally symmetrical cylinder, is arranged concentrically to the longitudinal axis 6 of the drive shaft train 3 in the supporting structure of the watercraft. In this shaft 8 the rudder propeller 4 with the nozzle 7 surrounding it is vertically adjustable.
  • the drive shaft train 3 is variable in length or longitudinally adjustable.
  • the rudder propeller 4 with nozzle 7 is located completely within the shaft 8 behind the plane which is determined by the flat, level bottom of the ship's outer skin 1. 1 is the rudder propeller in its non-operating position. In its other end position, the rudder propeller 4 and nozzle 7 are below the aforementioned level, which is determined by the flat, level bottom of the outer skin 1 of the watercraft. In this position according to FIG. 2, the rudder propeller is in its operating position, in which the propulsion of the watercraft and the propulsion direction can be determined with it.
  • the shaft 8 is closed watertight by a cover 9 and the drive shaft assembly 3 is carried out watertight through this cover 9.
  • the rudder propeller 4 is now attached to the nozzle 7 by means of a frame 11 in the lower nozzle area.
  • the plate 10 is assigned to the nozzle 7 so that it is located in the plane already mentioned several times, which is determined by the flat bottom of the outer skin 1 of the watercraft when the rudder propeller 4 is in its inoperative position, that is to say according to FIG. 1 in the shaft 8 is retracted.
  • the lower cover of the shaft formed by the plate 10 protects the rudder propeller from being damaged by coarse flotsam in the retracted state, a danger which does exist when the watercraft is in shallow water.
  • an all-round strand-shaped sealing profile 12 is assigned to the lower edge of the shaft wall.
  • This sealing profile 12 is a hollow profile made of elastic material and with variable internal pressure, the internal pressure can be determined with a pump 13 and a reservoir 14 for hydraulic or pneumatic pressure medium outside the shaft, but inboard so that the optimal, ie complete sealing effect is then given is when the lid 10 is located exactly in the plane of the bottom of the outer skin of the watercraft (Fig.
  • the drainage and ventilation system is activated as part of the further development of the invention.
  • this has a feed pump 15 with which the shaft 8 which is closed by the lower cover 10 is emptied.
  • the water pumped out of the shaft 8 with the pump from the shaft is pumped out into the water surrounding the watercraft.
  • a liquid level switch 17 which on the one hand indicates the complete emptying of the shaft of water and also switches off the pump 15.
  • manhole 18 In the upper manhole cover 9 there is a manhole 18 which is usually closed by a manhole cover 19. If the water is completely pumped out of the closed shaft, personnel can enter the dry shaft 8 for maintenance and inspection work on the underwater part of the drive by removing the manhole cover 19.
  • the shaft for starting up the drive can be filled with water again, the propeller in the shaft lowered and extended out of the shaft to reach the operating position shown in FIG. 2 reach.
  • the shaft can be filled with water using the reversible pump 15 before the propeller moves out of the shaft.
  • a non-reversible suction pump can be used, in which case the shaft 8 is then refilled in a simple manner by releasing the lower shaft end by lowering the lower shaft cover 10 with the propeller 4 and its nozzle 7.
  • the shaft 8 and the parts assigned to it, that is to say in particular the lower cover or the plate 10, can in principle be of any design without this having any effect on the invention. It can be a "well” or “container” as is usually used in the relevant subject area.
  • sealing profile 12 should expediently be arranged in an annular groove 20 which surrounds the lower edge of the shaft and springs back so far towards the bottom of the outer skin 1 surrounding the shaft 8 that the lower shaft cover 10 in with an optimal sealing effect can lie on the ground level and spring back against the shaft wall to such an extent that the sealing profile 12 does not protrude into the shaft opposite the shaft wall at any time.
  • the annular groove 20 forms a channel 10 which is open toward the plate and has a U-shaped cross section, in which the profile 12 is held under prestress on its entire circumference by a strip 21, the fixing in the axial hose direction being effected by a foot plate 22 with which the Profile is supported on the channel bottom.
  • This base plate 22 is located between the retaining strip 21 and a neck ring 23, which leads to the actual hose part 24.
  • the surface of the profile facing the plate 10 has a plurality of annular sealing lips 26 one behind the other in the diameter direction.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Sealing Devices (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Hydraulic Turbines (AREA)
  • Revetment (AREA)
  • Compounds Of Unknown Constitution (AREA)

Claims (16)

  1. Installation de propulsion marine avec une hélice (4) placée au-dessous de la coque (1), dont le fond est de préférence totalement plat ou dont le fond est plat aux environs de l'installation de propulsion, ladite hélice pouvant être rentrée derrière le plan de la coque dans un logement (8), le logement (8) pouvant être obturé, lorsque l'hélice (4) y est rentrée, dans le plan de la coque (1) par une plaque (10) formant couvercle qui peut monter et descendre avec l'hélice, caractérisée en ce que le logement (8) peut être obturé par la plaque (10) de manière étanche à l'eau et en ce qu'il est prévu un dispositif de pompage (15) pour vider le logement lorsque la plaque (10) a été amenée dans la position où elle obture le logement à la manière d'un couvercle.
  2. Installation de propulsion marine selon la revendication 1, caractérisée en ce que, sur son bord inférieur, le logement (8) est entouré par une gorge annulaire en forme de poche (20) qui présente, par rapport à la paroi du logement et à la coque, un retrait suffisant pour qu'un moyen d'étanchéité (12) inséré dans la gorge annulaire produise un effet d'étanchéité lorsque la plaque se trouve dans le plan de la coque et est appliquée contre le moyen d'étanchéité, sans que celui-ci ne pénètre dans le logement.
  3. Installation de propulsion marine selon la revendication 1, caractérisée en ce que la plaque (10) est associée à un élément (7) qui est associé à l'installation de propulsion marine dans la zone de l'hélice (4) et par rapport auquel l'hélice peut tourner.
  4. Installation de propulsion marine selon la revendication 3, caractérisée en ce que la plaque (10) est reliée à l'élément (7) de manière rigide et solidaire.
  5. Installation de propulsion marine selon la revendication 3 ou 4, caractérisée en ce que l'élément est une tuyère (7) entourant l'hélice (4).
  6. Installation de propulsion marine selon l'une des revendications 2 à 5, caractérisée en ce le moyen d'étanchéité est un boyau annulaire gonflable (12).
  7. Installation de propulsion marine selon la revendication 6, caractérisée en ce que le boyau d'étanchéité (12) peut être gonflé avec un fluide hydraulique ou pneumatique et peut être purgé en cas de non-utilisation.
  8. Installation de propulsion marine selon la revendication 1, caractérisée en ce que le logement (8) est fermé vers l'intérieur du bateau par un couvercle fixe (9) pourvu d'un trou d'homme obturable (18).
  9. Installation de propulsion marine selon la revendication 8, caractérisée en ce que le logement (8) obturé par la plaque (10) peut être rempli d'air par une soupape (16) à mesure que l'eau est évacuée par pompage hors du logement obturé.
  10. Installation de propulsion marine selon la revendication 1, caractérisée en ce que le dispositif de pompage (15) destiné à vider le logement (8) est commandé par un capteur (17) implanté dans la zone de l'extrémité arrière du logement.
  11. Installation de propulsion marine selon l'une des revendications 2 à 5, caractérisée en ce que le moyen d'étanchéité (12) est un anneau fermé réalisé dans un profilé fermé à chambre creuse (24).
  12. Installation de propulsion marine selon la revendication 11, caractérisée en ce que le profité à chambre creuse (24) est maintenu sous précontrainte par une réglette de maintien (21) dans la gorge annulaire en forme de poche de la paroi du logement.
  13. Installation de propulsion marine selon la revendication 12, caractérisée en ce que le blocage axial du profilé à chambre creuse (24) s'effectue au moyen d'une réglette de pied (22) qui est appliquée contre le fond de la gorge annulaire (20).
  14. Installation de propulsion marine selon la revendication 13, caractérisée en ce que la réglette de pied (22) se trouve entre la réglette de maintien (21) et un anneau formant col (23), la réglette de pied, la réglette de maintien et l'anneau formant col entourant au moins une liaison d'agent d'écoulement entre l'intérieur du profilé à chambre creuse (24) et un dispositif de pompage d'agent fluide (13, 14).
  15. Installation de propulsion marine selon la revendication 14, caractérisée en ce que, en présence de plusieurs liaisons d'agent d'écoulement, celles-ci sont reliées à un canal collecteur commun (25) avant d'être reliées au dispositif de pompage (13, 14).
  16. Installation de propulsion marine selon l'une des revendications 6 à 15, caractérisée en ce que le moyen d'étanchéité conçu sous la forme d'un anneau fermé réalisé dans un profilé fermé à chambre creuse (24) comporte, sur sa surface tournée vers la plaque (10), plusieurs lèvres d'étanchéité annulaires (26) qui se succèdent de manière concentrique dans le sens diamétral.
EP94102988A 1993-03-01 1994-02-28 Installation de propulsion marine avec une hélice placée au dessous de la coque, dont le fond est de préférence totalement plat, ou dont le fond est plat aux environs de l'installation de propulsion Expired - Lifetime EP0613817B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4306323 1993-03-01
DE4306323A DE4306323A1 (de) 1993-03-01 1993-03-01 Schiffsantriebsanlage mit einem unter dem vorzugsweise im wesentlichen oder im Bereich der Antriebsanlage ebenen Schiffsboden angeordneten Antriebspropeller

Publications (2)

Publication Number Publication Date
EP0613817A1 EP0613817A1 (fr) 1994-09-07
EP0613817B1 true EP0613817B1 (fr) 1997-05-02

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EP94102988A Expired - Lifetime EP0613817B1 (fr) 1993-03-01 1994-02-28 Installation de propulsion marine avec une hélice placée au dessous de la coque, dont le fond est de préférence totalement plat, ou dont le fond est plat aux environs de l'installation de propulsion

Country Status (12)

Country Link
US (1) US5397255A (fr)
EP (1) EP0613817B1 (fr)
JP (1) JPH06316289A (fr)
CN (1) CN1095681A (fr)
AT (1) ATE152407T1 (fr)
CA (1) CA2116610A1 (fr)
DE (2) DE4306323A1 (fr)
DK (1) DK0613817T3 (fr)
ES (1) ES2102704T3 (fr)
FI (1) FI940943A (fr)
GR (1) GR3024085T3 (fr)
NO (1) NO940687L (fr)

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CN104590485B (zh) * 2014-12-19 2017-01-04 福建东南造船有限公司 一种推进装置的安装结构及其安装方法
CN104590520A (zh) * 2014-12-19 2015-05-06 福建东南造船有限公司 可伸缩侧推装置底封板
WO2017085356A1 (fr) * 2015-11-20 2017-05-26 Rolls-Royce Oy Ab Propulseur rétractable, navire flottant, et procédé de rétractation et d'éjection d'hélice du propulseur rétractable
CN106401847A (zh) * 2016-11-22 2017-02-15 浙江腾荣环保科技有限公司 一种水下发电装置
CN106627998B (zh) * 2017-01-06 2019-06-07 浙江嘉蓝海洋电子有限公司 船底三维声呐的可伸缩安装机构
KR102449087B1 (ko) * 2018-10-23 2022-09-29 삼성중공업 주식회사 인입 가능한 스러스터를 구비한 선박
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CN117310116B (zh) * 2023-10-18 2024-04-05 江苏尚维斯环境科技股份有限公司 一种基于物联网的水质在线监测装置及其方法

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DE3718222A1 (de) * 1987-05-29 1988-02-18 Zikeli Friedrich Dipl Ing Th Wendbar angeordneter wasserfahrzeugantrieb insbesondere fuer motor-bzw. segelyachten und amphibienfahrzeuge
DE3815455C2 (de) * 1988-05-06 1994-10-20 Freudenberg Carl Fa Aufblasbare Dichtung
DE3815655C2 (de) * 1988-05-07 1994-04-14 Blohm Voss Ag Abdichtung für rotierende Wellen, insbesondere Stevenrohrabdichtung
GB2253659A (en) * 1991-03-09 1992-09-16 Robert Jackson A sealing device

Also Published As

Publication number Publication date
EP0613817A1 (fr) 1994-09-07
DE59402573D1 (de) 1997-06-05
JPH06316289A (ja) 1994-11-15
GR3024085T3 (en) 1997-10-31
ES2102704T3 (es) 1997-08-01
NO940687L (no) 1994-09-02
FI940943A0 (fi) 1994-02-28
DK0613817T3 (da) 1997-07-28
CA2116610A1 (fr) 1994-09-02
NO940687D0 (no) 1994-02-28
DE4306323A1 (de) 1994-09-08
FI940943A (fi) 1994-09-02
US5397255A (en) 1995-03-14
ATE152407T1 (de) 1997-05-15
CN1095681A (zh) 1994-11-30

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