Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
  • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
  • B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
  • B63G8/38—Arrangement of visual or electronic watch equipment, e.g. of periscopes, of radar
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
  • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
  • B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
  • B63G8/04—Superstructure
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
  • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
  • B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
  • B63B2015/0016—Masts characterized by mast configuration or construction
  • B63B2015/0041—Telescoping masts
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
  • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
  • B63B2221/00—Methods and means for joining members or elements
  • B63B2221/20—Joining substantially rigid elements together by means that allow one or more degrees of freedom, e.g. hinges, articulations, pivots, universal joints, telescoping joints, elastic expansion joints, not otherwise provided for in this class
  • B63B2221/24—Joining substantially rigid elements together by means that allow one or more degrees of freedom, e.g. hinges, articulations, pivots, universal joints, telescoping joints, elastic expansion joints, not otherwise provided for in this class by means that allow one or more degrees of translational freedom, e.g. telescopic joints, not otherwise provided for in this class

Definitions

• the present invention relates to a support structure and guidance for a hoistable submarine vehicle mast, also called periscopic mast.
• Such a hoistable mast is generally intended to carry communication means for the underwater vehicle, such as transmit and / or receive radio antennas, or to carry means for exploring the environment of the undercarriage. such as radar antennas, sensors or periscopes.
• a hoist submarine mast in hoisted position, is subject to strong constraints from the underwater environment in which the vehicle evolves.
• this mast is subjected to a high longitudinal stress due to a reaction force of the water.
• the supporting and guiding structure comprises a support provided with means for guiding the mast in translation in a hoisting direction, this support comprising a central wall, of generally planar shape extending longitudinally parallel to said hoisting direction, and defining a housing space for the mast,
• the guide means comprise at least two guide rails, carried by the support, extending in said hoisting direction, and at least two complementary guide elements carried by the mast and each cooperating with a respective rail, each rail. forming stops for the associated guide member, immobilizing said guide member in a second direction perpendicular to said hoisting direction and the central wall, and
• the supporting and guiding structure comprises means for fixing the support on a structural part of the submarine.
• the means for guiding the mast in translation in said hoisting direction enable the mast to be hoisted longitudinally between a retracted position inside a solid mass of the underwater vehicle and a hoisted position.
• Such a support also carries fastening means on the solid mass, which is a structural part of the underwater vehicle.
• the mast and its support can be reported together, in a single mounting operation, in the underwater vehicle.
• the support comprises four walls flanking the mast transversely to said hoisting direction, so as to form a housing transversely closed for this mast.
• a support of the type defined above is described in EP 1 177 974 B1.
• the purpose of the invention is in particular to reduce improving the stability of the mast, while reducing the mass and the bulk of the support.
• the subject of the invention is in particular a support and guidance structure for a hoistable mast of an underwater vehicle, in which:
• the support and guide structure comprises a support provided with means (16) for guiding the mast in translation in a hoisting direction, this support comprising a central wall, of generally planar shape extending longitudinally parallel to said hoisting direction; , and defining a housing space for the mast,
• the guide means comprise at least two guide rails, carried by the support, extending in said hoisting direction, intended to cooperate with at least two complementary guide elements carried by the mast and each cooperating with a respective rail, each rail forming stops for the associated guide element, adapted to immobilize this guide element in a second direction perpendicular to said hoisting direction and to the central wall, and
• the support and guide structure comprises means for fixing the support on a structural part of the submarine
• the guide means comprise at least one other guide rail, carried by the support, intended to cooperate with another complementary guide element carried by the mast and cooperating with this other rail, this other rail forming stops for this other element guide means adapted to immobilize the other guide element in a third direction perpendicular to said hoisting direction and said second direction, and
• the housing space is open in said second direction in substantially any plane perpendicular to said hoisting direction.
• Such a support comprising a wall on one side of the mast, has a dimension in a direction perpendicular to said hoisting direction, less than the size of a support of the state of the art in the same direction which has a wall on each side of the mast.
• a supporting and guiding structure according to the invention has one or more of the following features, taken alone or in any technically possible combination.
• the support has horizontal reinforcing ribs, extending between the guide rails.
• the support comprises two lateral uprights extending perpendicularly to the central wall, each upright carrying at least one guide rail of the mast whose stops immobilize the associated guide element in said second direction, and the central wall also carrying at least a guide rail of the mast whose stops immobilize the associated guide element in said third direction.
• the guide rail of the wall is arranged on this wall near one of the lateral uprights.
• the invention also relates to an assembly of an underwater vehicle hoistable mast and a support and guidance structure according to the above-defined method, in which the mast carries:
• this other rail forming stops for this other guide element, immobilizing this other guide element in the third direction.
• the assembly has one or more of the following characteristics, taken alone or in any technically possible combination.
• the support has at least one dimension, measured perpendicularly to the central wall, less than one dimension of the mast in the same direction.
• the assembly comprises an asymmetrical mast with respect to a vertical central plane perpendicular to the central wall, this mast having a first mass half greater than that of a second half, in which the guide rail arranged on the wall is arranged on the side of the half mast of higher mass.
• the mast has, in a plane perpendicular to said hoisting direction, a dimension measured in said second direction, greater than its dimension measured in said third direction.
• the mast comprises a carriage comprising two guide elements for each rail, arranged at each end of the carriage in said hoisting direction.
• the mast comprises means of intervention, carried by the carriage, selected from communication means, such as a transmitting and / or receiving radio antenna, means for exploring the environment of the submarine , such as a radar antenna, an optronic sensor or any other type of sensor.
• the support carries a hoist, and the mast comprises a guide tube of the cylinder, at least two mast guide members being fixed on the guide tube.
• the invention finally relates to an underwater vehicle, of the type comprising a structural part for receiving at least one hoistable mast, characterized in that it comprises an assembly as defined above, whose support is fixed to the structural part. by means of fixing means.
• the underwater vehicle has one or more of the following characteristics, taken alone or in any technically possible combination.
• the said assembly is attached to the structural part so that the support is located towards the rear of the submarine relative to the mast, in a longitudinal direction of the underwater vehicle.
• the structural part comprises: a central partition, opposite which is arranged the central wall of the support, two side walls, extending perpendicularly to the central partition so that the structural portion has a U-section in a section plane horizontal, and two flanges, each extending a respective side wall, folded substantially parallel to the central partition, so that the structural portion surrounds the support.
• the fastening means comprise: two fastening elements, carried by the central wall, and extending between this central wall and the central partition, two fastening elements, each carried by a respective upright, and each extending between this respective amount and a respective side wall, and two fasteners, each carried by a respective amount, and each extending between this respective amount and a respective rim.
• the fastening elements are screw jacks.
• FIG. 1 is a side view of an assembly of a hoistable mast and a support for this mast, according to a first embodiment of the invention
• FIG. 2 is a top view of the assembly of Figure 1;
• FIG. 3 is a perspective view of an assembly of a hoistable mast and a support for this mast according to a second embodiment of the invention;
• FIG. 4 is a perspective view of the support of the assembly of FIG. 3;
• FIG. 5 is a view from above of the assembly of FIG. 3;
• FIG. 6 is a perspective view of a portion of the mast of the assembly of FIG. 3.
• FIG. 1 shows an assembly 10 of a hoistable mast 12, in particular for an underwater vehicle, and a support 14 for this mast.
• the mast 12 is shown in the hoisted position.
• the mast 12 is connected to the support 14 via means 16 for guiding the mast in translation in a vertical hoisting direction Z, for hoisting and lowering this mast 12.
• the guiding means 16 comprise guide rails 18, carried by the support 14 and extending in said hoisting direction Z.
• the guiding means 16 comprise, for each guide rail 18, at least one element 20. complementary guide, carried by the mast 12, and intended to cooperate with the rail 18.
• the rails 18 and the guide members 20 are shown in particular in Figure 2.
• the mast 12 comprises a first portion 22 carrying the guide elements 20, and a second portion 24 integral with the first 22, carrying means 26.
• intervention means 26 comprise for example means of communication , such as a transmitting and / or receiving radio antenna, means for exploring the environment of the submarine, such as a radar antenna, a sensor or a periscope, or any other means capable of be integrated into a submarine mast.
• the support 14 comprises a central wall 32, of generally planar shape, extending longitudinally parallel to said hoisting direction Z.
• the central wall 32 comprises a plurality of relief openings 31 .
• second direction Y the horizontal direction perpendicular to said hoisting direction Z and the central wall 32
• third direction X the direction perpendicular to the directions Y and Z.
• the support 14 also comprises two lateral uprights 34, extending in said second direction Y, perpendicular to the central wall 32, as shown in FIG. 2, so that the support 14 substantially has a section U-shaped in a cutting plane perpendicular to the direction of hoisting Z.
• these lateral uprights 34 are integral with the central wall 32.
• Each upright 34 carries a guide rail 18, these two guide rails 18 preferably being arranged facing one another.
• the wall 32 comprises at least one guide rail 18, in order to optimize the stability of the mast 12 during its movement in said hoisting direction Z.
• Each rail 18 which is carried by one of the uprights 34 has a U-shaped cross-section, comprising lateral portions forming the U-branches, between which the guide element 20 is housed. These lateral portions form abutments 18A. for each guide element 20 associated so as to immobilize this guide element 20 in said second direction Y. Furthermore, the rail 18 carried by the wall 32, of similar configuration, forms stops 18A for each associated guide element 20. in order to immobilize this guide element 20 in said third direction X.
• the mast 12 is thus maintained on the support 14 in said second Y and third X directions, and can therefore be moved only in translation in said hoisting direction Z. This holding of the mast 12 on the support 14 facilitates the handling of the assembly 10 when mounted in an underwater vehicle.
• abutments 18A both in said second Y and third X directions makes it possible to provide good stability to the mast 12, in particular by carrying out a recovery of forces in these two directions Y, X.
• the guide rail 18 of the wall 32 is advantageously carried by this wall 32 near a lateral upright 34, so as to benefit from the robustness of this lateral upright 34.
• the mast 12 is not symmetrical with respect to a central plane perpendicular to the central wall 32, but has a first mass half greater than that of a second half.
• the guide rail 18 of the wall 32 is preferably arranged on the side of the upper mast half, in order to sustain it robustly.
• Such a support 14 defines a housing space 33 for the mast 12, this housing space 33 being open in substantially any horizontal plane. Indeed, in the example shown, this open housing 33 is defined only by the wall 32 and the uprights 34.
• a support 14 according to the invention is less cumbersome than a support of the state of the art which transversely frames the mast, and therefore which extends beyond the mast in any direction perpendicular to said Z. hoisting direction
• the assembly 10 comprises means 36 for motorizing the mast 12, for driving this mast 12 in said hoisting direction Z.
• These motorization means 36 may be of any known type. Because the housing 33 delimited by the support 14 is open, the access to the mast 12 for these motorization means 36 is relatively simple.
• the support 14 carries fastening means 40 provided for this purpose, in particular visible in Figure 2.
• This structural part 38 is also called “solid”.
• the structural portion 38 has a central partition 38A and two side walls 38B extending perpendicularly to the central partition 38A so that the structural portion 38 has a U-section in a horizontal sectional plane.
• the structural part also comprises two flanges 38C, each extending a side wall 38B, folded substantially parallel to the central partition 38A, so that the structural part 38 surrounds the support 14.
• the fastening means 30 comprise fastening elements 42 carried by the support 14.
• Each fastening element 42 is for example formed by a screw jack, extending between the support 14 and the structural part 38.
• the fastening means 30 comprise, for example, six fastening elements 42, among which:
• two fastening elements 42A are carried by the central wall 32, and extend as far as the central partition 38A,
• two fixing elements 42B are each carried by a respective upright 34, and each extend to a respective lateral partition 38B, and
• two fixing elements 42C are each carried by a respective upright 34, and each extends to a respective rim 38C.
• the fixing elements 42A, 42C clamp the support 14 in said second direction Y, between the central partition 38A and the flanges 38C, and the fixing elements 42B clamp the support 14 in said third direction X, between the side walls 38B.
• the fasteners 42 form support means of the support 14 on the structural part 38 in said second Y and third X directions.
• the fastening means 30 also comprise means 43 for screwing to the ground, shown in FIG.
• FIGS. 3 to 6 show an assembly 10 according to a second embodiment of the invention.
• elements similar to those of the preceding figures are designated by identical references.
• the mast 12 has, in said second direction Y perpendicular to the central wall 32, a dimension which is greater than its dimension in said third horizontal direction X.
• the wall 32 extends parallel to the smallest dimension of the mast 12, and therefore has a width substantially equal to this smaller dimension of the mast 12.
• the support 14 is even less bulky than that of the first embodiment.
• the support 14 comprises horizontal reinforcing ribs 48, extending between the guide rails 18, making it possible to improve the mechanical strength of this support 14, in particular the resistance to the stresses induced by the forces applied by the water in which the underwater vehicle moves when the mast 12 is hoisted.
• the first part of the mast 12 forms a carriage 22 intended to carry the second part 24 of this mast 12.
• the carriage 22 comprises two guide elements 20 for each rail 18, these guide elements 20 being arranged at each end of this carriage 22 in said hoisting direction Z.
• the second part 24 comprises a payload, for example an optronic sensor, a radar, a means of communication or any other device required for a mission of the underwater vehicle.
• a payload for example an optronic sensor, a radar, a means of communication or any other device required for a mission of the underwater vehicle.
• the motorization means 28 comprise a hoist 44 cooperating with the carriage 22, in particular by means of a tube 46 for guiding the jack relative to the support 14, carried by the carriage 22, so as to increase the stiffness.
• the guide elements 20 for at least two rails 18 are fixed on this guide tube 46.
• the assembly 10 is attached to the structural part 38 of the submarine so that the support 14 is located towards the rear of the submarine relative to the mast 12, in a longitudinal direction of the submarine.
• the forces applied to the mast 12, for example by the water in which the submarine moves, from the front to the rear of this submarine, are transmitted to the support 14 optimally.
• the support 14 could carry different types of hoisting masts, as long as they are compatible with the guide means 16.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Aviation & Aerospace Engineering (AREA)
• Radar, Positioning & Navigation (AREA)
• Laying Of Electric Cables Or Lines Outside (AREA)
• Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Applications Claiming Priority (2)

Publications (2)

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Family Applications (1)

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Family Cites Families (11)

• 2011
  • 2011-07-01 FR FR1155961A patent/FR2977232B1/fr not_active Expired - Fee Related
• 2012
  • 2012-06-26 EP EP12731392.2A patent/EP2726369B1/de active Active
  • 2012-06-26 ES ES12731392.2T patent/ES2583090T3/es active Active
  • 2012-06-26 PL PL12731392.2T patent/PL2726369T3/pl unknown
  • 2012-06-26 KR KR1020147002696A patent/KR101979471B1/ko active IP Right Grant
  • 2012-06-26 US US13/824,665 patent/US9481431B2/en active Active
  • 2012-06-26 WO PCT/EP2012/062335 patent/WO2013004549A1/fr active Application Filing

Non-Patent Citations (1)

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