EP4100309A1 - Dispositif de liaison de deux parties d'une coque d'un navire, et coque de navire comportant un tel dispositif - Google Patents
Dispositif de liaison de deux parties d'une coque d'un navire, et coque de navire comportant un tel dispositifInfo
- Publication number
- EP4100309A1 EP4100309A1 EP21701821.7A EP21701821A EP4100309A1 EP 4100309 A1 EP4100309 A1 EP 4100309A1 EP 21701821 A EP21701821 A EP 21701821A EP 4100309 A1 EP4100309 A1 EP 4100309A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- frame
- tenon
- hull
- mortise
- transverse
- 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.)
- Pending
Links
- 238000003780 insertion Methods 0.000 claims abstract description 11
- 230000037431 insertion Effects 0.000 claims abstract description 11
- 210000003423 ankle Anatomy 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000006378 damage Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B7/00—Collapsible, foldable, inflatable or like vessels
- B63B7/02—Collapsible, foldable, inflatable or like vessels comprising only rigid parts
- B63B7/04—Collapsible, foldable, inflatable or like vessels comprising only rigid parts sectionalised
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B3/00—Hulls characterised by their structure or component parts
- B63B3/02—Hulls assembled from prefabricated sub-units
- B63B3/08—Hulls assembled from prefabricated sub-units with detachably-connected sub-units
Definitions
- Device for connecting two parts of a ship's hull, and ship's hull comprising such a device
- the present invention relates to the field of shipbuilding and more specifically relates to a device for connecting two parts of a ship's hull, as well as a ship's hull comprising such a device.
- the collision box is incorporated into the hull of the ship, typically in its front part to constitute the bow thereof. It comprises a core fixed to the hull, for example by screwing and / or by gluing, and is covered with a coating which is common to the box and to the rest of the hull. The means for fixing the box to the hull are covered by this coating and are therefore not accessible.
- a device for connecting two parts of a hull of a ship comprising:
- An ankle which is adapted to be engaged, on the one hand, in a transverse housing provided in the second frame and opening into said mortise and, on the other hand, in a transverse through hole made in the tenon, so as to retain the tenon in the mortise.
- the connecting device according to the invention therefore allows easy installation and removal of the two frames, and is very particularly suitable for fixing a collision box on a hull of a ship since the pin extends in the second frame non-orthogonally to the second face, and preferably parallel to the second face; the box is therefore not crossed by rigid elements which would hamper its shock absorbing function.
- the pin and the hole of the tenon are arranged to generate a ramp effect causing the two frames to be clamped towards each other in the longitudinal direction by means of a transverse force d insertion of the ankle in said transverse through hole.
- a ramp otherwise called a linear cam, which transforms a translational movement into a transverse and in particular orthogonal translational movement, is a particularly suitable means for obtaining good control of the tightening.
- a linear cam here allows a more sensitive and more reliable adjustment than a conventional cam, that is to say a cam which transforms a rotational movement into a translational movement.
- the peg comprises a frustoconical portion contributing to the ramp effect, said transverse through hole and said transverse housing being configured to have distinct axes when the tenon is inserted into the mortise.
- the peg may include a threaded portion adapted to engage in a threaded portion of the transverse housing of the second frame.
- the screwing is a reliable means of fixing the ankle further allowing good control of the translation of the ankle in the second frame, and therefore good control over the tightening.
- the tenon comprises a proximal portion having dimensions suitable for insertion without play in the mortise and a distal portion having dimensions suitable for insertion with play in the mortise.
- the terms “distal” and “proximal” here reflect the positions of the portions relative to the first frame.
- the proximal portion is the portion closest to the first frame and the distal portion is the portion furthest from the first frame.
- the distal portion thus allows easier insertion of the tenon in the mortise and the proximal portion adjusted to the mortise allows centering of the first frame and of the second frame.
- the tenon is of cylindrical shape.
- the tenon is screwed to the first frame.
- a screw fixing is a simple way to achieve the tenon, which can then be easily replaced.
- a ship hull comprising a first part and a second part mutually linked by a connecting device according to the invention.
- the first part of the shell is a collision box and the first frame comprises a central area for fixing a core of said box and a peripheral area comprising at least one fixing opening opening out at a first face of the first frame and at a rear face of the first frame opposite the first face.
- Figure 1 is a perspective view of a ship whose hull comprises a first part and a second part which are linked by a connecting device according to the invention
- Figure 2 is a side view of the front of the hull of the ship of Figure 1, the elements of the connecting device being separated,
- Figure 3 is a sectional view of the connecting device of Figure 1 along section line II-II,
- Figure 4 is a perspective view of a tenon of the connecting device of Figures l to 3,
- Figure 5 is a view of a first face of a first frame of the connecting device of Figures 1 to 3
- Figure 6 is a view of a second face of a second frame of the connecting device of Figures 1 to 3
- FIG. 7 is a perspective view of the first frame on which is fixed a core of a collision box
- FIG. 8 illustrates a second configuration of the device of FIG. 3 in which the elements of the device are assembled.
- Figure 1 is a perspective view of an NV ship, here an unmanned autonomous ship, comprising a hull 3, a QL keel equipped with an LS ballast, an SF rudder and an MT mast.
- the hull 3 here comprises a first part 30, here a collision box which constitutes the bow of the hull 3, and a second part 31 which extends from the first part to the rear of the ship, or sternpost.
- the connecting device 1 comprises a first frame 2 integral with the first part 30 of the hull 3 of the vessel NV.
- the fixing of the first part 30 of the hull 3 to the first frame 2 is carried out here by means of screw passing through the first frame 2 and the first part 30 of the shell 3, as well as by mechanical anchoring as will be seen in the remainder of the description.
- the connecting device 1 comprises a second frame 4 integral with the second part 31 of the hull 3 of the ship.
- the fixing of the second frame 4 to the second part 31 of the shell 3 is here carried out by tightening by means of screw-nut systems VE1, VE2, two of which are shown in FIG. 3.
- a first face 20 of the first frame 2 and a second face 40 of the second frame 4 are configured to establish a contact surface.
- the contact between the first face 20 and the second face 40 is maintained by two tenon-mortise systems of the connecting device, of which a single tenon-mortise system 10 will be described below for the purposes of simplification.
- a tenon 5 extends from the first frame 2 so as to protrude from the first face 20.
- the tenon 5 is generally cylindrical, has a length of 30 millimeters and a proximal end 50 of the tenon 5 is attached to the first frame 2.
- FIG. 4 is a perspective view of the post 5 isolated from the rest of the device, presented here in order to facilitate understanding of the invention.
- the proximal end of the tenon 5 comprises a countersink 51 adapted to receive a countersunk head 70 of a screw 7, and the tenon 5 is fixed to the first frame 2 by said screw 7 including a threaded rod 71 cooperates with a nut 72 so as to hold the tenon 5 against the first frame 2 by clamping.
- a cavity 41 is formed in the first part 30 of the shell 3 so as to receive the nut 72 and a portion of the threaded rod 71.
- the post 5 has a proximal portion 52 extending from the proximal end 50, here over a length of 6 millimeters and having a diameter of 25 millimeters, and a distal portion 53 extending from the proximal portion 52 on a length of 24 millimeters and having a diameter slightly less than the diameter of the proximal portion 52, here a diameter of 24.8 millimeters
- the tenon 5 here comprises a transverse through hole 54 formed transversely to the tenon 5, here orthogonally to the axis of the tenon, that is to say here parallel to the first face 20.
- the tenon 5 comprises two circular orifices 55, 56 sharing the same first axis XI and provided on its side wall.
- a first orifice 55 has a diameter equal to 14.5 millimeters.
- a second orifice 56 has a countersink 57 and has a diameter at the level of the internal surface of the tenon equal to 14.5 millimeters and a maximum dimension at the level of the external surface of the tenon equal to 15 millimeters.
- the transverse through hole 54 is made so as to be closer to the proximal end 50 than to a distal end 58 of the post 5 opposite the proximal end 50.
- the edge of the transverse through hole 54 is located at a distance of 4.2 millimeters from the proximal end 50 and at a distance of 11.3 millimeters from the distal end 58.
- a mortise 6 is provided in the second frame 4 at the level of the second face 40.
- the mortise is cylindrical and has a diameter substantially equal to the diameter of the proximal portion 52 so that, when the first frame 2 and the second frame 4 establishes the contact surface, the tenon 5 is inserted into the mortise in an adjusted manner.
- the mortise 6 is through.
- the second frame 4 comprises a transverse housing 21 which extends parallel to the second face 40 by crossing the mortise 6 and which opens at a first edge 42 of the second frame 4 and at a second edge 43 of the second frame 4 opposite the first edge 42.
- the transverse housing 21 is here a cylindrical hole extending along a second axis X2 and of which a first part 24 located between the first edge 42 and the mortise 6 has a first diameter and a second part 25 located between the second edge 43 and the mortise 6 has a second diameter smaller than the first diameter.
- the first diameter is here equal to 14 millimeters and the second diameter is here equal to 8 millimeters.
- the second part 25 of the transverse housing 21 is here threaded.
- the connecting device 1 further comprises a pin 8 configured to be inserted into the transverse housing 21.
- the pin 8 is here generally cylindrical in shape and comprises three portions 80, 81, 82 of distinct diameters.
- a first portion 80 of the cylindrical pin has a constant diameter slightly less than the first diameter of the transverse housing 21, here a diameter of 14.2 millimeters.
- the first portion 80 comprises a first end 83 of the ankle, in which is made a screwing cavity 84, here a hollow hexagonal cavity (represented by transparency in dotted lines on figure 3).
- Said recess 84 is configured to cooperate with a screwing tool, for example a hexagonal key.
- a second portion 81 of the pin 8 has a constant diameter slightly less than the second diameter of the second part 25 of the transverse housing 21, here a diameter of 8 millimeters.
- the second portion 81 is threaded and is configured to cooperate with the second threaded portion 25 of the transverse housing 21.
- the ankle 8 further comprises an intermediate portion 82 located between the first portion 80 and the second portion 81.
- the intermediate portion 82 has a diameter which varies with its length; for example here, the intermediate portion 82 is frustoconical and has a diameter which decreases linearly from the first portion 80 to the second portion 81.
- the intermediate portion 82 has a maximum diameter equal to the diameter of the first portion 80 and a minimum diameter equal to the diameter of the second portion 81.
- the first frame 2 is a plate having an outline matching the outline of the first part of the shell, here a fusiform outline, having a length of 745 millimeters a maximum width of 115 millimeters, a thickness of 18 millimeters and having a first axis of symmetry Axl extending in its length.
- the first frame 2 comprises a central zone ZC configured to receive a core of the collision box, and a peripheral zone ZP configured to receive a coating of the core of the collision box, for example a resin.
- the central zone ZC has three recesses 90, 91, 92 here having a depth of 15.5 millimeters.
- the recesses are configured to strengthen the connection between the frame 2 and the core of the collision box by means of the resin surrounding the core. This resin which surrounds the core also fills the recesses 90, 91 and 92.
- the frame 2 is therefore linked to the core by means of the resin.
- the recesses also make it possible to lighten the first frame 2.
- the tenon 5 of the tenon-mortise system described above is located between a first recess 90 and a second recess 91.
- a second tenon 5 'of a second tenon-mortise system is located between the second recess 91 and a third recess 92.
- the peripheral zone ZP further comprises fixing openings 93i to 93e, opening at the level of the first face 20 and at the level of a rear face (not shown in FIG. 5) of the first frame 2 which is opposite to the first side
- the fixing openings 93i to 93 6 allow, during the production of the coating of the collision box, conventionally by casting a resin in a mold temporarily placed around the core, that the resin flows from the other side of the first frame 2 at the rear face.
- the resin extends on either side of the first frame and forms a mechanical anchor with the first frame 2, improving the attachment of the collision box to the first frame 2.
- the second frame 4 has an outline and dimensions substantially identical to those of the first frame 2, and also comprises three recesses 41, 42, 43 identical to the recesses 90, 91 and 92 of the first frame 2 and having the function of lightening the second frame 4.
- FIG. 7 illustrates the first frame 2 of which the central part comprises an NY core of a collision box, prior to the production of the coating.
- the peripheral zone ZP of the frame is here devoid of coating.
- the core NY comprises six grooves, of which three grooves RNi to RN 3 are visible in FIG. 7, partially matching the contours of the corresponding fixing openings 93 2 , 93 4 and 93 6 . These grooves make it possible to promote the flow of the coating resin in the fixing openings.
- the connecting device 1 can be made from any material, and preferably from a material resistant to corrosion and oxidation.
- the first frame 2 and the second chassis 4 are made of a titanium alloy and the other elements of the connecting device are made of stainless steel.
- the contact surface is established between the first face 20 and the second face 40 by inserting the tenon 5 into the mortise 6.
- the smaller diameter of the distal part 53 of the tenon 5 allows insertion with play of the tenon in the mortise 6, and therefore easier insertion.
- the proximal portion 52 allows a play-free, ie adjusted, insertion of the tenon 5 into the mortise 6 when the contact surface is established.
- the pin 8 is inserted into the transverse housing 21 so that the frustoconical intermediate portion 82 is located in the transverse through hole 54.
- the intermediate part 82 of the pin 8 bears against the countersink 57 of the second hole 56 and pushes the tenon 5 into the mortise 6.
- the intermediate portion 82 here generates a ramp effect, or linear cam, and transforms the translational movement of the pin 8, which is a movement parallel to the second face 40, into a translational movement of the tenon 5 in the mortise 6, and therefore into a movement of the first frame 2 towards the second frame, that is to say a movement orthogonal to the translational movement of the ankle 8.
- the clamping force of the first face 20 against the second face 40 therefore depends on the position of the ankle 8 in the orifice 21 and is adjustable by screwing.
- first axis XI and the second axis X2 are distinct, in particular once the contact surface has been established between the first face 20 and the second face 40 established.
- the transverse through hole 54 and the transverse housing 21 are not coaxial.
- the screw cavity 84 is advantageously accessible from the first edge 42 of the second frame 4.
- the pin 8 is here configured so as not to extend out of the second frame 4 so as not to harm the hydrodynamic performance of the vessel.
- the countersink 57 of the second orifice 56 allows better privacy of the contact between the frustoconical intermediate portion 82 and the second orifice 56.
- the countersink 57 makes it possible to increase the contact surface in order to avoid matting of the contact surface.
- FIG. 8 shows a second configuration of the device in which the contact surface is established between the first face 20 and the second face 40 and in which the tightening is ensured by the tenon-mortise system 10.
- the pin 8 of the device 1 described above in connection with Figures 1 to 8 comprises the frustoconical intermediate portion 82 acting as a cam and advantageously ensuring control over the tightening.
- the invention is not limited to a pin comprising a cam and according to other variant embodiments, the pin and the transverse housing 21 have constant diameters. According to these variants, the relative position of the transverse housing 21 and of the transverse through hole is adjusted so as to ensure the contact surface between the first face 20 and the second face 40.
- the invention further covers certain variants in which the intermediate portion comprises a different linear cam.
- the diameter of the intermediate portion could decrease in a non-linear fashion.
- the cam is not linear and the pin has an eccentric.
- the pin 8 is fixed in the second frame 4 by screwing its second portion 81 into the second part 25 of the transverse housing, advantageously allowing precise control over the tightening.
- the invention is however not limited to this method of attachment and is compatible with any means of attachment.
- the peg can cooperate with the second frame by any other fixing system, for example of the type pin or bayonet type.
- the invention covers, for example, a tightening device in which the second portion 81 of the pin 8 comprises a bayonet-type fixing and in which the intermediate portion 82 comprises an eccentric.
- the tenon 5 described above is fixed to the first frame 2 by means of a screw nut system.
- the tenon 5 can be fixed to the first frame 2 by any suitable means, in particular by welding.
- the device can be made of any material and in particular the device can comprise a single material or more than two different materials.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Connection Of Plates (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2001065A FR3106810A1 (fr) | 2020-02-03 | 2020-02-03 | Dispositif de liaison de deux parties d’une coque d’un navire, et coque de navire comportant un tel dispositif |
PCT/EP2021/052319 WO2021156208A1 (fr) | 2020-02-03 | 2021-02-01 | Dispositif de liaison de deux parties d'une coque d'un navire, et coque de navire comportant un tel dispositif |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4100309A1 true EP4100309A1 (fr) | 2022-12-14 |
Family
ID=70918554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21701821.7A Pending EP4100309A1 (fr) | 2020-02-03 | 2021-02-01 | Dispositif de liaison de deux parties d'une coque d'un navire, et coque de navire comportant un tel dispositif |
Country Status (4)
Country | Link |
---|---|
US (1) | US20230062865A1 (fr) |
EP (1) | EP4100309A1 (fr) |
FR (1) | FR3106810A1 (fr) |
WO (1) | WO2021156208A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115743462B (zh) * | 2022-11-30 | 2024-06-11 | 中国船舶集团青岛北海造船有限公司 | 一种船舶假舵建造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2328693A (en) * | 1942-06-02 | 1943-09-07 | Albert L Taylor | Sectional boat |
US2584685A (en) * | 1949-03-08 | 1952-02-05 | William J Evert | Sectional and portable boat structure |
US7029350B2 (en) * | 2004-01-05 | 2006-04-18 | Katzfey Lance J | Sectionalized surfboard |
FR2970306A3 (fr) * | 2011-01-10 | 2012-07-13 | Edmond Wernett | Dispositif d'emboitement, montage bois |
-
2020
- 2020-02-03 FR FR2001065A patent/FR3106810A1/fr active Pending
-
2021
- 2021-02-01 WO PCT/EP2021/052319 patent/WO2021156208A1/fr unknown
- 2021-02-01 EP EP21701821.7A patent/EP4100309A1/fr active Pending
- 2021-02-01 US US17/797,356 patent/US20230062865A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
FR3106810A1 (fr) | 2021-08-06 |
US20230062865A1 (en) | 2023-03-02 |
WO2021156208A1 (fr) | 2021-08-12 |
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