EP3409575A1 - Safran comprenant un moyeu et moyeu de safran - Google Patents

Safran comprenant un moyeu et moyeu de safran Download PDF

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Publication number
EP3409575A1
EP3409575A1 EP17173460.1A EP17173460A EP3409575A1 EP 3409575 A1 EP3409575 A1 EP 3409575A1 EP 17173460 A EP17173460 A EP 17173460A EP 3409575 A1 EP3409575 A1 EP 3409575A1
Authority
EP
European Patent Office
Prior art keywords
rudder blade
hub
connecting means
wall
side wall
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.)
Granted
Application number
EP17173460.1A
Other languages
German (de)
English (en)
Other versions
EP3409575B1 (fr
Inventor
Dirk Lehmann
Herbert Blümel
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.)
Becker Marine Systems GmbH and Co KG
Original Assignee
Becker Marine Systems 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
Priority to EP17173460.1A priority Critical patent/EP3409575B1/fr
Application filed by Becker Marine Systems GmbH and Co KG filed Critical Becker Marine Systems GmbH and Co KG
Priority to PL17173460.1T priority patent/PL3409575T3/pl
Priority to DK17173460.1T priority patent/DK3409575T3/da
Priority to PT171734601T priority patent/PT3409575T/pt
Priority to ES17173460T priority patent/ES2925695T3/es
Priority to HRP20221052TT priority patent/HRP20221052T1/hr
Priority to CN201710908962.0A priority patent/CN108974312B/zh
Priority to SG10201804501YA priority patent/SG10201804501YA/en
Priority to US15/991,606 priority patent/US10464654B2/en
Priority to TW107118326A priority patent/TWI761522B/zh
Priority to CA3006531A priority patent/CA3006531C/fr
Priority to JP2018103017A priority patent/JP7437869B2/ja
Priority to KR1020180062201A priority patent/KR102524329B1/ko
Publication of EP3409575A1 publication Critical patent/EP3409575A1/fr
Application granted granted Critical
Publication of EP3409575B1 publication Critical patent/EP3409575B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • B63H25/06—Steering by rudders
    • B63H25/38—Rudders

Definitions

  • the present invention relates to a rudder blade, in particular for a Halbschweberuder or Vollschweberuder for watercraft, in particular ships, comprising a nose strip, an end strip, a first side wall and a first side wall opposite the second side wall and arranged in a terminal space rudder blade hub for connecting a rudder shaft, wherein the rudder blade hub has a hub body, the hub body having an inner bore for receiving a rudder post and a circumferential hub outer surface. Furthermore, the present invention relates to a rudder blade hub for a rudder blade.
  • a rudder for a watercraft comprises a rudder blade, which is rotatably mounted on the hull by means of a rudder stock. To connect the rudder stock to the rudder blade a rudder blade hub is provided in the rudder blade.
  • Rudder blades in particular for half-hulled or full-hauled powders for watercraft, in particular for large ships such as container ships or oil tankers, can have a total weight of well over 100 tons, with the rudder blade hub accounting for up to 20% of this total weight.
  • the rudder blade hub is arranged in a connection space provided in the interior of the rudder blade.
  • the connection space can be limited in the vertical direction as well as in the directions of the leading edge and the end strip of horizontal and vertical frames of a rider blade strength conferring skeleton structure. In the direction of the rudder blade outer side of the connection space is usually limited by a portion of the respective adjacent side wall of the rudder blade.
  • rudder blade hubs known from the prior art are dimensioned such that they are compatible with the hub outer surface abut the inner sides of the side walls of the rudder blade. Forces acting on the sidewalls are thereby diverted directly to the rudder hub and rudder post. Due to the large profile thickness of rudders for large ships, however, the known rudder blade hubs are oversized in terms of connection and storage of the rudder stock. Therefore, known rudder hub hubs are very heavy material and expensive components.
  • so-called welding windows are often provided in known rudder blades, which are arranged in the region of the rudder blade hub in the side walls of the rudder blade.
  • the rudder blade hub extends with its hub outer surface partially through the welding window and then has to be laboriously welded to the side walls of the rudder blade.
  • the rudder blade hub forms with its hub outer surface then a part of the rudder blade outer wall of the rudder blade.
  • the present invention has for its object to provide a rudder blade with a rudder blade hub, which compared to known from the prior art rudder blades has a lower overall weight and can be produced with reduced material and cost, while ensuring a sufficiently high strength to the large im Operation of the rudder blade to absorb acting forces and moments and to derive a rudder stock. It is a further object of the present invention to provide a rudder blade hub for a rudder blade which is lighter than known rudder blade hubs and which can be manufactured with less material and cost.
  • a rudder blade in particular for a half-tail or a Vollschweberuder, for watercraft, especially ships, proposed comprising a nose strip, an end bar, a first side wall and a first side wall opposite the second side wall and arranged in a terminal space rudder hub to Connecting a rudder post, the rudder hub hub having a hub body, the hub body having an inner bore for receiving a rudder post and a circumferential hub outer surface, the hub outer surface further being fully spaced is arranged from an inner side of the first side wall and from an inner side of the second side wall.
  • the nose strip of the rudder blade When arranged on the vessel state, the nose strip of the rudder blade is the bow, or, if a propeller is present, facing the propeller of the ship.
  • the end bar of the rudder blade is the nose strip opposite and the bow, or the propeller, arranged facing away. Between the end strip and the nose strip extend a first side wall and a first side wall opposite the second side wall, which form the rudder blade outer wall.
  • the rudder blade is substantially symmetrical with respect to a median plane which runs vertically in the state of the rudder blade arranged on the ship and is defined approximately by the set of skeleton lines of the individual profile sections of the rudder blade.
  • Slight deviations from the symmetry of the rudder blade with respect to the midplane may be present, for example, when the leading edge and / or the end blade of the rudder blade is twisted or twisted, that is, when the leading edge or the end bar is biased against the propeller effluent for cavitation prevention and energy recovery.
  • the nose bar or tail bar may be twisted or biased to starboard in an upper rudder blade section and to port side in a lower rudder blade section, or vice versa.
  • a terminal space is provided, which is preferably delimited by the side walls or partial areas of the side walls of the rudder blade. In the vertical direction, the terminal space is bounded above and below preferably by horizontal frames of a skeleton structure of the rudder blade.
  • a rudder blade hub for connecting a rudder stock is arranged in the connection space.
  • a rudder stock can be inserted into the inner bore of the hub body of the rudder hub.
  • a fastening means such as a hydraulic screw may be provided.
  • the hub outer surface is fully spaced from an inner side of the first side wall and disposed from an inner side of the second side wall.
  • the rudder blade hub is disposed in such a way inside the terminal compartment that the hub outer surface at each point of the circumference of the hub body spaced from the inside of the first side wall and from the inside of the second side wall is arranged.
  • the rudder blade hub of the rudder blade according to the invention is significantly smaller. This has the advantage that less material must be used for the rudder blade hub, with the result that the total weight of the rudder blade is reduced and that the manufacturing costs are reduced.
  • the hub outer surface is arranged over the entire axial height of the rudder blade hub spaced from the inside of the first side wall and from the inside of the second side wall, and / or that the hub outer surface does not make physical contact with the inside of the first side wall and the inside of the first side wall second side wall.
  • the axial height of the rudder blade hub is measured along the longitudinal axis of the rudder blade hub, wherein the longitudinal axis of the rudder blade hub extends in the direction of a rudder blade to be arranged in the rudder blade hub. If the hub outer surface is arranged over the entire axial height of the rudder blade hub at a distance from the inside of the first side wall and the inside of the second side wall, material can be saved not only in the circumferential direction of the hub body but also via the axial height of the rudder blade hub running perpendicular to the circumferential direction.
  • the material costs and the costs can be further reduced.
  • the rudder blade hub in particular the hub body, viewed in the direction of the longitudinal axis of the rudder blade hub end side arranged end faces, a first or lower and a second or upper end, connected to ribs of the rudder blade, in particular welded.
  • the hub body has an outer diameter, that the terminal space has a first outer wall, wherein the first outer wall is a portion of the first side wall, that the terminal space has a second outer wall, wherein the second outer wall is a portion of the second side wall in that the connection space has an inner spacing between an inner side of the first outer wall and an inner side of the second outer wall, wherein the outer diameter of the hub body is smaller than the inner spacing.
  • connection space of the rudder blade is preferably a partial volume of the rudder blade.
  • the connection space is limited in the vertical direction of partial areas of horizontal rungs of the rudder blade, wherein the horizontal ribs lie in the planes of the profile sections.
  • To the outer sides of the rudder blade of the terminal compartment is bounded by portions of the first side wall and the second side wall, which form the outer walls of the terminal compartment.
  • the connection space is formed approximately cuboid and is preferably located approximately in the center of the rudder blade. Due to the profile-related slight curvature of the side walls or the outer walls of the connection space slight deviations of the terminal space may be present from the cuboid shape. In principle, the connection space can also be designed differently than cuboid.
  • connection space is also preferably in the region of the largest profile thickness of the rudder blade and has a width which is defined by the inner spacing of the inside of the first outer wall to the inside of the second outer wall. If the rudder blade hub is advantageously designed with an outer diameter which is smaller than this inner spacing, then the rudder blade hub can be arranged in the interior of the connection space such that it has no physical contact with the first outer wall and / or with the second outer wall.
  • the rudder blade hub thus has smaller dimensions than known from the prior art rudder blade hubs for rudder blades. By this measure, the cost of materials and the production costs of the rudder blade are further reduced.
  • the rudder blade hub has at least one, preferably a plurality, connecting means, wherein the at least one connecting means between the hub outer surface and the inside of the first side wall, in particular the first outer wall, and / or the inside of the second side wall, in particular the second outer wall , wherein the rudder blade hub preferably has at least two connecting means, wherein a first connecting means extends between the hub outer surface and the inside of the first side wall, in particular the first outer wall, and wherein a second connecting means between the hub outer surface and the inside of the second side wall, in particular the second outer wall extends.
  • the at least one connecting means establishes a connection between the rudder blade hub, in particular the hub outer surface of the hub body, and the first side wall and / or the second side wall or the first outer wall and / or the second outer wall of the terminal compartment.
  • the strength of the rudder blade is increased and a sufficient derivation of the rudder forces and moments achieved on the rudder stock on the rudder blade hub, while reducing the cost of materials and production costs.
  • the preferred rudder blade hub thus smaller and lighter be dimensioned and formed without the strength of the rudder blade is impaired.
  • the rudder forces and moments are no longer transmitted directly beyond the hub outer surface in physical contact with the sidewalls, but are instead transmitted via the connecting means from the sidewalls of the rudder blade to the hub body of the rudder blade hub.
  • the weight of the at least one connecting means is less than the material savings achieved by the reduction of the rudder blade hub.
  • no welding window in the side wall of the rudder blade to provide more, so that the complex welding of the known from the prior art rudder blade hub with the side walls of the rudder blade or the rudder blade outer wall deleted.
  • a first connecting means may extend between the hub outer surface and the inside of the first side wall, in particular the first outer wall, and a second connecting means may extend between the hub outer surface and the inside of the second side wall, in particular the second outer wall ,
  • each connecting means preferably extends between the hub outer surface and either the inside of the first side wall, in particular the first outer wall, or the inside of the second side wall, in particular the second outer wall.
  • an embodiment of the rudder blade and the rudder blade hub is conceivable in which the hub body with the hub outer surface in physical contact with the inside of the first side wall, in particular the first outer wall, and / or with the inside of the second side wall, in particular the second outer wall, or in which the hub outer surface is not spaced from the inner sides of the side walls, and wherein the rudder blade hub has at least one connecting means.
  • the at least one connecting means is formed, in particular during operation and in the vessel arranged state of the rudder blade, on the rudder blade, in particular on the side walls of the rudder blade, acting forces and / or moments on the rudder blade hub, in particular on the hub body to transmit.
  • the hub body can thus be dimensioned smaller.
  • the reduced strength of the rudder blade due to the material reduction of the hub body and the lack of direct connection of the hub body to the side walls is compensated by the arrangement of the at least one connecting means.
  • the at least one connecting means has a first connecting area and a second connecting area, wherein the at least one connecting means with the first connecting area is arranged and / or fixed on the hub outer surface and wherein the at least one connecting means is connected to the second connecting area on the inside of the first Sidewall, in particular the first outer wall, and / or on the inside of the second side wall, in particular the second outer wall, arranged and / or fixed.
  • the connecting means has two connecting regions, which are designed for connection to the hub outer surface and / or the inner side of the first side wall, in particular the first outer wall, and / or the inner side of the second side wall, in particular the second outer wall.
  • each connection means preferably has a first connection region and a second connection region.
  • Each connection means is then arranged and / or fixed to the first connection area on the hub outer surface.
  • the individual connection means with the second connection region is then preferably arranged or fastened either on the inner side of the first outer wall or on the inner side of the second outer wall.
  • a connecting means may be arranged to a first side of the median plane of the rudder blade, which corresponds for example in the state of the starboard side arranged on the ship. This connection means is then arranged and / or fixed to the second connection region on the inside of the starboard-side outer wall.
  • Another connecting means may be that of the first Be disposed opposite side of the second side of the median plane, that is, in the arranged on the ship state of the rudder blade on the port side. This connection means is then arranged and / or fixed to the second connection region on the inside of the port-side outer wall.
  • At least two connecting means are provided, wherein the at least two connecting means are arranged symmetrically or asymmetrically to a median plane of the rudder blade, and / or that on both sides of the median plane an equal number of connecting means are arranged, and / or that the number at connection means, which extend between the hub outer surface and the inside of the first side wall, in particular the first outer wall, is equal to the number of connecting means extending between the hub outer surface and the inside of the second side wall, in particular the second outer wall.
  • the median plane which extends approximately from the leading edge to the leading edge, divides the rudder blade into two approximately symmetrically arranged regions, deviations from the symmetry may occur, for example, by a twisted or twisted leading edge or by a twisted or twisted end bar.
  • the center plane of the rudder blade preferably extends through the longitudinal axis of the rudder blade hub or the hub body, wherein the longitudinal axis in turn runs centrally in the inner bore of the hub body. If a plurality of connecting means are provided, these are preferably arranged symmetrically on both sides of the median plane. This advantageously results in a uniform recording and transmission of the forces acting on the rudder blade during operation.
  • connection means are arranged on both sides of the median plane, that is to say in the state of the rudder blade arranged on the ship, both on the starboard side and on the port side of the rudder blade. Also, this measure leads to an increase in the strength and to improve the absorption and transmission of occurring during operation rudder forces and - moments on the rudder blade hub and on a rudder stock.
  • the at least two connecting means are arranged asymmetrically to a median plane of the rudder blade.
  • An asymmetric arrangement is particularly advantageous in a twisted rudder blade.
  • the connecting means which are arranged on one side of the median plane, each arranged completely on this side, that is, the connecting means are arranged with none of their portions at the same time on both sides of the median plane.
  • the at least one connecting means extends over at least 60%, preferably at least 70%, more preferably at least 80%, particularly preferably at least 90%, very particularly preferably over 100% of the axial height of the rudder blade hub, and preferably over at least 60 %, preferably at least 70%, more preferably at least 80%, most preferably at least 90%, most preferably over 100%, of the axial height is arranged and / or fixed to the hub outer surface.
  • the axial height of the rudder blade hub is measured in the direction of the longitudinal axis of the rudder blade hub, wherein the longitudinal axis of the rudder blade hub passes through a central axis of the inner bore of the hub body and corresponds to the direction of a rudder stem arranged in the rudder blade hub.
  • the at least one connecting means advantageously over the entire axial height along the rudder blade hub, in particular of the hub body, and is preferably arranged and / or fixed over the entire axial height of the hub outer surface, so a particularly stable connection of the rudder blade hub on the hub outer surface of the hub body to the inside of the first side wall and to the inside of the second side wall.
  • the at least one connecting means is a web and / or a plate and / or a strut.
  • the at least one connecting means is preferably formed approximately cuboid. This form can be produced with low material costs and particularly cost-efficient.
  • an approximately cuboid design of the at least one connecting means in the form of a web, a plate or a strut enables a particularly efficient transmission of the rudder forces and torques occurring during operation to the hub body of the rudder blade hub.
  • the at least one connecting means in particular the web, the plate or the strut, extends vertically, that is, that the at least one connecting means, in particular the web, the plate or the strut, parallel to the longitudinal axis of the Ruderblattnabe runs and is arranged and / or attached to the hub outer surface.
  • the at least one connecting means, in particular the web, the plate or the strut preferably extends in a radial outward direction from the hub outer surface of the hub body toward the inside of the first side wall, in particular the first outer wall, and / or in the direction of the inside of the second side wall, in particular the second outer wall.
  • a radial arrangement of the at least one connecting means and / or a substantially vertical extent parallel to the longitudinal axis of the rudder blade hub allows a particularly simple design of the connecting means in the form of cuboidal components and also ensures a very efficient transmission of the rudder forces and moments of the rudder blade outer wall or the side walls on the rudder blade hub.
  • the at least one connecting means in particular the web, the plate or the strut, not in a radial outward direction from the hub outer surface of the hub body towards the inside of the first side wall, in particular the first outer wall, and / or in the direction of the inside of the second side wall, in particular the second outer wall, extends or is arranged.
  • the at least one connecting means in particular the web, the plate or the strut, can also be relative to a radial of the hub body, ie with respect to a radial direction from the hub outer surface of the hub body in the direction of the inside the first side wall and / or towards the inside of the second side wall, are at an angle and thus have an angle to the radial.
  • the at least one connecting means may also have an arcuate course or a bend, in particular in the direction of the longitudinal axis of the rudder blade hub.
  • the at least one connecting means may have the arcuate course or the bending profile in sections or over its entire vertical extension.
  • the at least one connecting means may also have a curved course or a bend in a plan view of the rudder blade hub along the longitudinal axis with respect to the radial.
  • connecting means are very particularly preferably arranged symmetrically or asymmetrically to the median plane of the rudder blade and / or over the circumference of the hub body , preferably evenly distributed.
  • connection means are arranged symmetrically to the center plane of the rudder blade and / or arranged distributed over the circumference of the hub body.
  • two of the four connection means are thus arranged on a first side of the center plane, for example on the starboard side, while two further connection means are arranged on a second side of the center plane, for example on the port side.
  • the two connecting means are arranged on the starboard side with respect to the center plane of the rudder blade symmetrical to the connecting means on the port side.
  • connection means provision can be made in particular for the connection means to be distributed uniformly over the circumference of the hub body. This means that when four connecting means, the angular distance in a plan view along the longitudinal axis seen on the hub body between adjacent connecting means is 90 °.
  • the result is a symmetrical rudder blade hub comprising a hub body and four connecting means, which is particularly easy to manufacture and provides a particularly good strength of the rudder blade.
  • At least two connecting means are provided, wherein the at least two connecting means to the center plane of the rudder blade an angular distance of 0 ° to 90 °, preferably from 30 ° to 80 °, more preferably from 50 ° to 70 °, particularly preferably from 55 ° to 65 °, and / or wherein the at least two connecting means to a perpendicular to the median plane of the rudder blade and extending through a longitudinal axis of the rudder blade hub transverse plane an angular distance of 0 ° to 90 °, preferably from 10 ° to 60 °, more preferably from 20 ° to 40 °, more preferably from 25 ° to 35 °.
  • the transverse plane perpendicular to the median plane and through the longitudinal axis of the rudder blade hub divides the rudder blade into a forward region that includes the leading edge and a rearward region that encompasses the endstroke.
  • the transverse plane is also perpendicular to the median plane and the profile planes. If the rudder blade hub is arranged in the area of the largest profile thickness, then the transverse plane also contains the plane of the largest profile thickness.
  • the angular distance of the connecting means can be measured both to the center plane or to the transverse plane. If the angular distance of a connecting means is 90 ° to the center plane of the rudder blade, the connecting means lies substantially in the transverse plane. Depending on the configuration of the rudder blade, that is, depending on the profile shape, and after the expected forces and loads in the operation of the rudder blade, it may be advantageous that the connecting means have a distance of 50 ° to 70 ° to the median plane.
  • the center plane two connecting means are arranged, wherein the angular distance between the arranged on the respective side two connecting means between 20 ° and 120 °, preferably between 40 ° and 80 °, especially preferably between 50 ° and 70 °, particularly preferably between 55 ° and 65 °.
  • the at least one connecting means with the hub body, in particular the hub outer surface, and / or with the side walls of the rudder blade, in particular with the outer walls, welded and / or glued and / or forged to this.
  • the at least one connecting means may be welded and / or glued to the hub body, in particular to the hub outer surface, and / or the outer walls, that is to say that the connecting means is welded or glued to the first connecting area with the hub body, in particular with the hub outer surface, and with the second connection region with the first side wall, in particular the first outer wall, or the second side wall, in particular the second outer wall, is welded or glued.
  • a welding of the connecting means with the hub body or the hub outer surface and / or with the side walls or the outer walls is particularly simple and inexpensive to perform.
  • the hub body is rotationally symmetrical with respect to a longitudinal axis of the rudder blade hub, wherein the hub body is preferably cylindrical or conical.
  • the wall thickness of the hub body can be constant or increase or decrease in the axial direction along the longitudinal axis.
  • the rudder blade has ribs, that the hub body has a lower end side and an upper end side, and that the hub body with the lower end side attached to a first lower frame, in particular welded, and / or that of the hub body with the upper end side attached to a second upper bulkhead, in particular welded.
  • the hub body has an upper end side and a lower end side at the end, the terms "top” and “bottom” referring to the state of the rudder blade arranged in a ship.
  • the rudder blade preferably has an inner skeleton structure, which is formed by horizontally and vertically oriented frames.
  • the rudder blade can have two to fifty, preferably four to ten, frames.
  • the horizontal ribs extend from the leading edge to the end bar and are stretched between the first side wall and the second side wall and are aligned substantially parallel to the profile planes.
  • a first, lower frame limits the connection space from below, and a second, upper frame limits the connection space from above.
  • connection space can be delimited by the outer wall of the connection space or by the partial regions of the side walls.
  • the connection space can also be seen in the direction of travel to the front or back limited by a first vertical and a second vertical frame. Due to the limitation of the connection space through the side walls and the vertical and horizontal ribs or the upper frame and the lower frame of the connection space is formed approximately cuboid.
  • the axial height of the rudder blade hub is then advantageously chosen so that it corresponds to the height of the connection space, so that the rudder blade hub or the hub body rests with the upper end side against the underside of the upper frame and with the lower end side against the upper side of the lower frame.
  • the rudder blade hub or the hub body can be connected to the upper bulkhead and to the lower bulkhead, for example by welding.
  • the forces and moments acting on the rudder blade during operation are then transmitted not only via the connecting means to the rudder blade hub but also via the ribs, in particular via the upper rib and the lower rib, to the rudder blade hub and thus also to the rudder stock. This results in a further increased strength of the rudder blade.
  • the at least one connecting means is fastened, in particular welded, to the first lower bulkhead with a first end side, and / or that the at least one connecting means is fastened, in particular welded, to the second upper side opposite the first end side; is.
  • the at least one connecting means may be formed as an approximately cuboidal plate, web or strut and is particularly preferably arranged and / or fixed in the radial direction projecting on the hub outer surface of the hub body of the rudder blade hub. As seen in the vertical direction, that is along the longitudinal axis of the rudder blade hub, each connecting means or web, plate or strut has a first lower end side and a second upper end side opposite the first end side.
  • the length of the connecting means in the direction of the longitudinal axis of the rudder blade hub is preferably equal to the axial height of the rudder blade hub or of the hub body, so that the connecting means, in particular the web, the plate or the strut, with the first end side at the lower frame and abuts the upper frame with the second end side.
  • the first lower bulkhead and / or the second upper bulkhead has or have an opening, wherein the diameter of the opening is smaller than the outer diameter of the hub body and greater than the inner diameter of the inner bore of the hub body, wherein the opening of a flange is bounded, and wherein the rudder blade hub to the flange, in particular circumferential, fixed, preferably welded, is.
  • a rudder stock can be inserted from above into the connection space and into the rudder blade hub arranged in the connection space or into the inner bore of the hub body of the rudder blade hub.
  • An opening in the lower frame allows the rudder post to pass out of the terminal space through the rudder blade hub and to be secured in the rudder blade by means of a fastener such as a hydraulic screw.
  • the terminal space bounding the upper frame or the lower frame is then formed in the form of a flange on which the rudder blade hub can be supported.
  • the flange can also be welded or forged to the side walls or to the connection space forwards and back limiting vertical frames.
  • the lower end surface and / or the upper end surface of the rudder blade hub or the hub body on a circumferential circumferential step or a shoulder so that the rudder blade hub can be used with the end faces of the hub body in the opening of the upper frame or the lower frame such that the hub body engages with the step of the lower end face in the opening of the lower frame and / or with the step of the upper end face in the opening of the upper frame.
  • the rudder blade hub can also be fastened to the upper and / or lower bulkhead via a welded connection with a transition radius.
  • a projection or flange surrounding the outside of the hub outer surface can be provided, which abuts with an outer surface on an inner side of the opening of the upper and / or the lower frame and with the upper and / or the lower Spant is welded.
  • the hub body in each case protrudes into the opening of the upper and / or the lower ribs over a length which corresponds approximately to the height of the projection.
  • each individual connection means can be designed like the above-described at least one connection means.
  • the ratio of the outer diameter of the hub body to an inner diameter of the inner bore is between 1.0 and 2.0, preferably between 1.2 and 1.5, more preferably between 1.25 and 1.45.
  • the ratio of the outer diameter of the hub body to the inner diameter of the inner bore is thus significantly smaller than in the case of rudder blade hubs known from the prior art. Accordingly, a large material savings and a significant reduction in costs can be achieved.
  • Another solution of the problem underlying the invention is to provide a rudder blade hub for a prescribed rudder blade.
  • Another solution of the problem underlying the invention is to provide a kit for a prescribed hub comprising a hub body and at least one connecting element.
  • Fig. 1 shows a rudder blade 100, with a nose strip 10, an end strip 11, a first side wall 12 and one of the first side wall 12 opposite second side wall 13 (FIG. Fig. 2 ).
  • a connection space 16 is provided with a rudder blade hub 17 disposed therein.
  • the connection space 16 is delimited downward by a partial region of an upper frame 18 in a vertical upward direction and by a partial region of a lower frame 19 in the vertical direction.
  • connection space 16 Forward in the direction of the nose strip 10 of the connection space 16 is limited by a portion of a front bulkhead 20 and back towards the end bar 11 by a portion of a rear frame 21.
  • first outer wall 22 formed as a portion of the first side wall 12 and by a second outer wall 23 (FIG. Fig. 2 ) formed portion of the second side wall 13 limited.
  • Fig. 2 shows a section along the line AA in Fig. 1 at the level of the rudder blade hub 17.
  • the rudder blade hub 17 is arranged in the interior of the connection space 16. Opposite a median plane 24, the rudder blade 100 is formed approximately symmetrically, with a deviation from the symmetry by the twisted with respect to the median plane 24 leading edge 10, which is effectively unscrewed from the median plane 24 results.
  • the longitudinal axis 25 of the rudder blade hub 17 is perpendicular to the plane of the figure. Perpendicular to the median plane 24 and through the longitudinal axis 25 of the rudder blade hub 17 extends an imaginary transverse plane 26, which divides the rudder blade 100 into a front region 27 and a rear region 28.
  • the rudder blade hub 17 is arranged in the region of the largest profile thickness of the rudder blade 100.
  • the rudder blade hub 17 has a hub body 29 with an internal bore 30.
  • the inner bore 30 is for receiving a in the Fig. 2 not shown rudder stock.
  • the hub body 29 further has a circumferential hub outer surface 31.
  • the hub outer surface 31 is arranged in a fully spaced manner from the inside of the first outer wall 22 and the inner side of the second outer wall 23.
  • the hub body 29 has an outer diameter 32, which is smaller than the inner distance 33 between the inside of the first outer wall 22 and the inside of the second outer wall 23.
  • connecting means 34 are arranged.
  • the rudder blade hub 17 with hub body 29 and connecting means 34 is in Fig. 3 shown enlarged.
  • the connecting means 34 are in the form of plates 35 and approximately cuboid. Each connecting means 34 is welded to a first connecting portion 36 on the hub outer surface 31 and to a second connecting portion 37 on the inside of the first outer wall 22 and on the inside of the second outer wall 23, respectively.
  • the connecting means 34 thus extend between the hub outer surface 31 and the inside of the first outer wall 22 and the inside of the second outer wall 23.
  • the connection means 34 formed as plates 35 are arranged substantially symmetrically with respect to the center plane 24, so that the center plane 24 on both sides the same number of connecting means 34 is arranged.
  • the connecting means 34 serve the forces and moments acting on the side walls 12, 13 during operation of the rudder blade 100 on the hub body 29 of the rudder blade hub 17 and on a rudder shaft arranged in the inner bore 30 of the hub body 29 transferred or dissipate and give the rudder blade 100 sufficient strength.
  • the connecting means 34 are also arranged uniformly over the circumference of the hub outer surface 31, so that between each two adjacently arranged connecting means 34, an angular distance 38 of 90 ° is provided.
  • FIG Fig. 4 An alternative arrangement of the connecting means 34 is shown in FIG Fig. 4 shown.
  • the angular distance 38 between each two lying on one side of the median plane 24 connecting means 34 between 50 ° and 70 °.
  • Fig. 5 shows a section through the transverse plane 26 of the Fig. 2 and the Fig. 3 , Due to the cutting plane are in Fig. 5 the connecting means 34 not shown.
  • the hub body 29 of the rudder blade hub 17 is approximately conical and tapers in the vertical direction downwards. As can be seen, the hub outer surface 31 is spaced from the inside of the first outer wall 22 and the inside of the second outer wall 23. Seen in the axial direction of the longitudinal axis 25 of the rudder blade hub 17, the hub body 29 has an upper end face 39 and a lower end face 40.
  • the hub body 29 lies with a region of the upper end face 39 on the lower side 41 of an upper frame 18 and with a region lower end face 40 on the upper side 42 of a lower frame 19.
  • the upper frame 18 and the lower frame 19 each have an opening 43 so that an unillustrated rudder stock can be inserted into the inner bore 30 of the hub body 29.
  • the openings 43 are bounded in each case by a flange 44, which is connected to the first side wall 12, or to the first outer wall 22, and the second side wall 13, and the second outer wall 23, respectively.
  • the upper end face 39 and the lower end face 40 of the hub body 29 have a peripheral step 46 or a peripheral shoulder.
  • the hub body 29 engages by means of the steps 46 on the upper end face 39 and the lower end face 40 in the respective opening 43 of the upper frame 18 and the lower frame 19 a.
  • the hub body 29 is connected to the flanges 44 in the area of the upper end face 39 and the lower end face 40, respectively.
  • the diameter 60 of the openings 43 is smaller than the outer diameter 32 of the hub body 29 and larger than the inner diameter 59 of the inner bore 30 of the hub body 29th
  • Fig. 6 is a section through the transverse plane 26 of the FIG. 2 and the FIG. 3 shown, wherein the connection of the hub body 29 of the rudder blade hub 17 at the upper bulkhead 18 and at the lower frame 19 from the embodiment according to Fig. 5 different.
  • the hub body 29 of the Fig. 6 has in the region of the upper end face 39 and the lower end face 40 each have a hub outer surface 31 circumferential projection 62 which is connected to an outer surface 63 on an inner side 64 of the upper frame 18 and / or the lower frame 19.
  • the circumferential projection 62 has a transition radius 66.
  • the transition radius is preferably between 5 and 10 cm, more preferably between 5 and 7 cm, particularly preferably 6 cm.
  • hub body 29 When connecting hub body 29 with upper bulkhead 18 and lower bulkhead 19, the hub body 29 protrudes over a length which corresponds approximately to the height 67 of the projection 62 into the opening 43 of the upper frame 18 and the lower frame 19, respectively.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Knives (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Body Structure For Vehicles (AREA)
  • Earth Drilling (AREA)
EP17173460.1A 2017-05-30 2017-05-30 Safran comprenant un moyeu et moyeu de safran Active EP3409575B1 (fr)

Priority Applications (13)

Application Number Priority Date Filing Date Title
PL17173460.1T PL3409575T3 (pl) 2017-05-30 2017-05-30 Płetwa sterowa z piastą płetwy sterowej i piasta płetwy sterowej do płetwy sterowej
DK17173460.1T DK3409575T3 (da) 2017-05-30 2017-05-30 Rorblad med et rorbladnav samt rorbladnav til et rorblad
PT171734601T PT3409575T (pt) 2017-05-30 2017-05-30 Porta do leme com um cubo de hélice de porta do leme e cubo de hélice de porta do leme para uma porta do leme
ES17173460T ES2925695T3 (es) 2017-05-30 2017-05-30 Pala de timón con buje de pala de timón y buje de pala de timón para una pala de timón
HRP20221052TT HRP20221052T1 (hr) 2017-05-30 2017-05-30 Krilo kormila sa glavčinom krila kormila i glavčina krila kormila za krilo kormila
EP17173460.1A EP3409575B1 (fr) 2017-05-30 2017-05-30 Safran comprenant un moyeu et moyeu de safran
CN201710908962.0A CN108974312B (zh) 2017-05-30 2017-09-29 具有舵叶轮毂的舵叶和用于舵叶的舵叶轮毂
SG10201804501YA SG10201804501YA (en) 2017-05-30 2018-05-28 Rudder blade with a rudder blade hub and rudder blade hub for a rudder blade
US15/991,606 US10464654B2 (en) 2017-05-30 2018-05-29 Rudder blade with a rudder blade hub and rudder blade hub for a rudder blade
TW107118326A TWI761522B (zh) 2017-05-30 2018-05-29 舵葉、用於舵葉的舵葉輪轂以及用於舵葉輪轂的成套配件
CA3006531A CA3006531C (fr) 2017-05-30 2018-05-29 Safran comprenant un moyeu de safran a poids reduit
JP2018103017A JP7437869B2 (ja) 2017-05-30 2018-05-30 舵板ハブを備えた舵板および舵板用の舵板ハブ
KR1020180062201A KR102524329B1 (ko) 2017-05-30 2018-05-30 러더 블레이드 허브를 구비하는 러더 블레이드 및 러더 블레이드용 러더 블레이드 허브

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EP17173460.1A EP3409575B1 (fr) 2017-05-30 2017-05-30 Safran comprenant un moyeu et moyeu de safran

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EP3409575A1 true EP3409575A1 (fr) 2018-12-05
EP3409575B1 EP3409575B1 (fr) 2022-06-29

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US (1) US10464654B2 (fr)
EP (1) EP3409575B1 (fr)
JP (1) JP7437869B2 (fr)
KR (1) KR102524329B1 (fr)
CA (1) CA3006531C (fr)
DK (1) DK3409575T3 (fr)
ES (1) ES2925695T3 (fr)
HR (1) HRP20221052T1 (fr)
PL (1) PL3409575T3 (fr)
PT (1) PT3409575T (fr)
SG (1) SG10201804501YA (fr)
TW (1) TWI761522B (fr)

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CN112278222A (zh) * 2020-10-29 2021-01-29 广船国际有限公司 一种船舶舵叶及其摆动测试方法
CN114408140B (zh) * 2021-12-24 2023-06-20 宜昌测试技术研究所 一种适应于水下航行器的鳍舵装置

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FR2692546A1 (fr) * 1992-06-17 1993-12-24 France Etat Armement Safrans pour navire de moyen et gros tonnage.
EP2060486A1 (fr) * 2007-11-13 2009-05-20 becker marine systems GmbH & Co. KG Gouvernail pour bateaux à vitesses élevées et d'un gouvernail réduisant la cavitation, torsadé, en particulier gouvernail à suspension totale

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JPH0490493U (fr) * 1990-12-19 1992-08-06
JPH0713698A (ja) * 1993-06-24 1995-01-17 Hitachi Ltd データ転送制御方式
JPH0713698U (ja) * 1993-08-18 1995-03-07 ジャパン・ハムワージ株式会社 舵軸と舵の結合構造
JP3665141B2 (ja) * 1996-06-21 2005-06-29 テンパール工業株式会社 電子式瞬時引きはずし装置付配線用遮断器
JP4464029B2 (ja) * 2001-04-19 2010-05-19 キヤノン株式会社 情報処理方法および制御プログラムおよび情報処理装置および周辺装置および応答方法および代理応答装置およびネットワークシステム
KR101110392B1 (ko) * 2008-12-09 2012-02-24 현대중공업 주식회사 비대칭 단면형상을 구비하는 선박용 러더
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US2283291A (en) * 1937-10-02 1942-05-19 Goetaverken Ab Afterbody of vessels
FR2692546A1 (fr) * 1992-06-17 1993-12-24 France Etat Armement Safrans pour navire de moyen et gros tonnage.
EP2060486A1 (fr) * 2007-11-13 2009-05-20 becker marine systems GmbH & Co. KG Gouvernail pour bateaux à vitesses élevées et d'un gouvernail réduisant la cavitation, torsadé, en particulier gouvernail à suspension totale

Also Published As

Publication number Publication date
CA3006531C (fr) 2024-03-26
EP3409575B1 (fr) 2022-06-29
US20180346087A1 (en) 2018-12-06
HRP20221052T1 (hr) 2022-11-11
US10464654B2 (en) 2019-11-05
DK3409575T3 (da) 2022-09-12
SG10201804501YA (en) 2018-12-28
ES2925695T3 (es) 2022-10-19
JP2018203236A (ja) 2018-12-27
KR102524329B1 (ko) 2023-04-21
PT3409575T (pt) 2022-08-30
PL3409575T3 (pl) 2022-10-03
KR20180131484A (ko) 2018-12-10
TWI761522B (zh) 2022-04-21
TW201912510A (zh) 2019-04-01
CA3006531A1 (fr) 2018-11-30
JP7437869B2 (ja) 2024-02-26

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