Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
  • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
  • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
  • B63B21/56—Towing or pushing equipment
  • B63B21/58—Adaptations of hooks for towing; Towing-hook mountings
  • B63B21/60—Quick releases
• • 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
  • B63G8/42—Towed underwater vessels
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
  • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
  • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
  • B63B21/56—Towing or pushing equipment
  • B63B21/66—Equipment specially adapted for towing underwater objects or vessels, e.g. fairings for tow-cables
• • 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
  • B63G8/39—Arrangements of sonic watch equipment, e.g. low-frequency, sonar
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01Q—ANTENNAS, i.e. RADIO AERIALS
  • H01Q1/00—Details of, or arrangements associated with, antennas
  • H01Q1/27—Adaptation for use in or on movable bodies
  • H01Q1/34—Adaptation for use in or on ships, submarines, buoys or torpedoes

Definitions

• the present invention relates to active sonars variable immersion, towed by a building surface. It relates more particularly to towed active sonars which are presented as bistatic systems in which the transmitting antenna is integrated in a submersible object or "Poisson" and the receiving antenna consists of a linear antenna (flute) towed behind Fish. Such a tow line is said to be dependent because the fish and the linear receiving antenna are integral with one and the same line.
• the implementation of such a sonar shown schematically in Figure 1, comprises two handling steps consisting for one in the sonar launch and the other sonar recovery and storage on the sonar the tractor building.
• the linear receiving antennas are traditionally stored on a winch, for obvious reasons of congestion.
• an active sonar comprising both a transmitting antenna mounted in a towed submersible craft, also called "fish", and a linear receiving antenna is first of all unrolled. antenna by operating the winch and letting the antenna immerse itself at the end of the towing cable. It then involves mechanically and electrically coupling the fish to the tow line and then putting the fish into the sea using any means of lifting and handling.
• the ascent of such a sonar aboard the surface vessel consists firstly in hauling the tow line, then in pulling the fish out of the water and laying it on the deck of the vessel, then again uncoupling the fish of the line. When the latter is uncoupled, the following linear antenna is towed on board and wound on the winch.
• the implementation of such a sonar therefore comprises a certain number of operations of stowage and unstacking, carried out manually, which according to the weight of the transmitter may require the mobilization of a number more or less important operators. But when the sea is difficult, in heavy weather, such operations, usually carried out by crewmen from the rear platform of the building, may prove to these men very delicate, trying, even dangerous, to so that the implementation of the sonar can be made impossible for security reasons.
• the implementation of such a system also requires precise identification, by means of marking on the towing cable, for example, the position of the fish relative to the handling platform, in particular to know when the one It is in the position which causes the halting of hauling and loading on board, an operation which also requires human intervention.
• a known solution consists in storing on two separate reels the electrotractor cable which remains attached to the fish and the linear receiving antenna.
• the launching of the sonar is carried out by completely unrolling the linear receiving antenna (ie the "flute") in the sea and by mechanically and electrically connecting, the emerged end of the fish flute , at the end of unwinding and before complete immersion. Once the connection is made, the fish, attached to the flute, is dropped to the sea by unrolling the electrotractor cable.
• the subject of the invention is a system for securing and automatically connecting a submersible object, or "Poisson", comprising at least one transmitting antenna, towed by a tow line, which fish may contain a sonar transmitter or, at the very least, a transmitting antenna.
• the system comprises at least one automatic securing device for automatically performing the mechanical attachment of the transmitter to a traction line and the connection of this fish to a structure carrying signals and energy in this same line.
• the automatic securing device comprises a male element integral with the traction line and a female element integral with the fish.
• the male element and the female element are configured to fit one into the other, so that the pulling line can be inserted automatically into the female element and so that the insertion of the element male in the female element being made by sliding the line in the female element, the interlocking of the male element in the female element makes the female element integral with the traction line.
• the male element and the female element of the automatic device for securing the transmitter to the traction line comprise connectors capable of being plugged into each other.
• the male element and the female element of the device for automatically securing the fish to the traction line also comprise automatic centering and positioning means, these centering and positioning means. being configured and arranged so that the insertion of the male element into the female element ensures the positioning of the connectors of the male element opposite the connectors of the female element and the plugging of the connectors facing each other.
• the female element of the automatic securing device forms a tubular cavity capable of receiving the male element, which cavity comprises two axial openings, at least one of which has a section sufficient to allow the axial insertion of the male element and a lateral opening whose width, substantially equal to Line diameter allows insertion of the pull line inside the cavity.
• the male element of the automatic securing device has a section greater than the section of the traction line on which it is inserted so that its passage through the lateral opening of the female element is impossible.
• the automatic centering and positioning means of the automatic securing device are configured and arranged to cause, in the case where the relative orientation of the two elements relative to each other when inserting the male element in the female element does not allow the facing of the connectors, a relative rotational movement of the male element and the female element so as to orient the two elements the one in relation to the other adequately
• the automatic positioning and centering means of the automatic securing device comprise finger-shaped structures respectively implanted on the periphery of the male element and on the inner wall of the cavity of the body. 'female element.
• the finger-like structures of the male member are configured to become lodged in the spaces separating the finger-like structures of the female member when the male member is inserted into the female member.
• the finger-shaped structures implanted on the male element have an end profile different from that of the finger-shaped structures implanted on the female element so that the structures implanted on the male element being placed opposite the structures implanted on the female element the bringing together of the two structures necessarily causes the sliding of the first on the seconds.
• the system according to the invention may also comprise an automatic fish handling device, said device comprising the following means:
• displacement means for moving horizontally and vertically and guiding the support from a waiting position to a position allowing the automatic stowage of the fish at the traction line or vice versa from this position to the waiting position,
• the moving means of the automatic handling device comprise at least: a motor,
• Each slide of each of the games has abutments at its ends, the segments AB and BC are straight segments and the segment CD is a curved segment,
• the moving means of the automatic handling device are arranged in such a way that they cooperate so that the mobile support sliding along the slideways, first follows a horizontal translation movement, between two points A and B, then a vertical translation movement between two points B and C; then finally, the stops located at the points C of the slides of the second game forming an axis of rotation, a rearward tilting movement between two points C and D of the slides of the first game.
• the mobile support of the automatic handling device comprises means for holding the fish in place when the support is in the unslotted position.
• the means for holding the fish in place are notches made in the flanks of the mobile support.
• the engine of the automatic handling device is a controlled cylinder, one end of which is fixed to the chassis of the device and the other end of which is fixed to the support.
• the mobile support comprises means constituting a curved groove which is positioned under the traction line when the support is in the tilted position, to guide the traction line and limit its curvature.
• the system according to the invention has the advantage of allowing the automatic stowage of the fish on the traction line and the automatic connection of the fish to the system, which connection may be electrical, optical and / or pneumatic.
• the implementation of the sonar is thus possible without risk for the crew, even by strong sea. It also advantageously facilitates the launching of the sonar by performing the guidance of the pulling line as soon as the fish is mounted on the line.
• the space required for the implementation and implementation of the device according to the invention is advantageously limited the handling system is fixed on the platform and does not itself require any handling during its implementation.
• FIG. 2 a schematic illustration of the structure and operating principle of the system according to the invention
• FIGS. 3 to 8 illustrations of the structure and operating principle of the automatic securing device of the system according to the invention
• Figure 1 schematically illustrates the difficulties presented by the launching and recovery of an active sonar such as that to which is addressed in particular, but not limited to the system according to the invention. It should be noted that for obvious practical reasons the dimensions of the different elements in Figure 1 do not respect the same scale.
• An active sonar is constituted in known manner of transmission means 1 1 and receiving means 12.
• the transmitting and receiving means are towed from a building 15, a surface ship for example, by means of a line 13 (13-a, 13-b, 13-c and 13-d), or electro-tractor cable, which provides both the mechanical traction of the sonar and the routing of signals and supplies from the building to sonar and vice versa, through the corresponding transport structure, cable, fiber or other.
• the transmitting means 11 and receiving 12 are mechanically stowed on the line 13 appropriately. Similarly, these means are electrically (or optically) connected to the traction line 13.
• the receiving means consist of a linear antenna, of flute type, of tubular shape identical to those found in the passive sonars, while the transmitter is integrated in a volume structure also called "fish".
• the receiving flute is usually placed at the rear, at the end of the line of traction, the fish being positioned on the part of the line closest to the vessel.
• the linear receiving antenna 12 is generally permanently secured to the traction line, while the fish is in turn detachably secured.
• the traction line comprises a docking area of the fish 13-d, zone in which are implanted means for mechanically fixing the fish to the line and for its connection to the structure, a cable for example, carrying the signals and energy (power supplies) in the line.
• the launching and recovery of the sonar is performed by means of a winch 14 whose drum is sized to allow the winding of the traction line 13 and Only the linear reception antenna 12.
• the winding of the beginning 13-a of the traction line 13 makes it possible to haul the fish 1 1 on board, on the aft platform of the ship for example.
• the fish must then be uncoupled from the traction line 13 and moved to its storage area to enable the portion of the line situated between the fish 1 1 and the receiving antenna 12 to be wound up.
• we proceed first to the launching of the linear receiving antenna and the portion 13-b line at the rear of the fish then we interrupt the course of the line when the docking area becomes accessible and the fish 1 1 is tied to the line 13 and its connection to the structure, a cable for example, carrying the signals and energy (power supplies) in the line.
• the course of the line is then resumed to allow the placing of the fish and the proximal portion (ie the closest to the carrying vessel) of the line (segments 13-a and 13-d) on which the fish is stowed. .
• Such a material structure has the advantage of having separate transmitting and receiving means, which makes it possible in particular to have omnidirectional transmission means in a simple manner.
• this structure requires for its implementation a large number of handling operations that are currently performed by crew members under sometimes precarious security conditions. This is particularly the case with stowage, unstacking and handling of fish from (or to) its storage area.
• the purpose of the invention is to eliminate or at least limit as much as possible human interventions.
• FIG. 2 schematically shows the object of the invention, which consists of a system comprising a device 21 for automatically ensuring the docking of fish 1 1 to line 13 and its connection to the structure, a cable for example, conveying the signals and energy (power supplies) in the line, which device can be associated with an automatic device 22 for handling the fish, a device symbolized by the semi-dotted arrows 22-a and 22 -b.
• FIGs. 3 to 8 describe in schematic form the general structure and operating principle of the automatic fish securing device (i.e. of the transmitter) at the traction line.
• Figs. 3 to 8 describe in schematic form the general structure and operating principle of the automatic fish securing device (i.e. of the transmitter) at the traction line.
• the automatic securing and connecting device 21 comprise, as shown in FIG. 3, two distinct elements, a female element 31 integral with the fish 1 1, or more generally of the transmitter, and a male element 32 integral with the line 13 and whose axis of symmetry coincides with the axis of the line 33.
• the female element 31 has a tubular cavity whose length is at least equal to the length of the male element 32 and whose section corresponds, at least for the part of the cavity in which the male element 32 is inserted, to that of this element.
• the section is preferably narrower over the rest of the length.
• the male element 32 has a substantially cylindrical shape as shown in Figure 3
• the cavity provided by the female element will be cylindrical section.
• the male element 32 has a section of considerably greater size than the section of the portion 13-b of the line 13 located behind the docking area 13-d of the fish.
• the male member 32 is of a diameter equal to that of the curvature limiter device 34 which equips the portion 13-a of the line and secured thereto. It is the same for the diameter of the section of the cavity constituted by the female element 31.
• the female element 32 has along its length a lateral longitudinal opening 35, visible on sections AA and BB of Figure 3.
• the width I of this opening is sufficient to allow a line element whose diameter does not exceed I to come s
• the width of this opening is insufficient to allow a line section of a diameter greater than I to enter or leave the cavity through the opening. lateral opening 35.
• the sections AA and BB show that it is possible to insert the line into the female element through the opening 35 when the female element is facing a portion standard line, the portion 13-a for example, while the insertion through the opening 35 is not possible when the female element is for example facing the portion of the line 13 corresponding to the zone d 13-d insertion formed in the figure by the male element 32 and the curvature limiter element 36.
• the female element 31 is positioned opposite the portion of line 13-b,
• the line 13 is inserted into the female element 31 through the lateral opening 35: the diameter of the line being less than 1, the insertion is possible,
• the line 13 is slid into the cavity of the female element 31 in the direction represented by the arrow 38, so that the male element 32 penetrates entirely into the cavity of the female element 31 through the axial opening 37 of which the diameter is adapted to that of the male element 32 and in any case sufficient to allow its entry into the cavity.
• the mooring mechanism thus formed may also advantageously be completed by a locking mechanism 42 mounted on the female element, a pin-type mechanism for example, advantageously allowing the blocking of any translational movement of the female element along the line.
• the line 13 (after unlocking, if any) is slid into the cavity of the female element 31 in the direction represented by the arrow 39, until the male element 32 leaves the cavity of the female element 31 by the axial opening 37 and that the female element 31 is positioned opposite the line portion 13-b,
• the pulling line 13 is extracted from the cavity of the female element by the lateral opening 35: the diameter of the line portion 13-b line being less than 1, the extraction is possible.
• the fish is positioned adequately in relation to the line to achieve automatically docking and unstacking of the fish on the line.
• the stowage and unstacking operation is thus performed by simply threading or stripping the fish on the line.
• FIGS. 5 to 7 which show in schematic form, by way of a nonlimiting exemplary embodiment, the advantageous technical characteristics of the invention, which make it possible to automatically connect the fish 1 1 to the structure carrying the signals and energy (power supplies) in the traction line 13.
• the female element 31 comprises, on the part of the wall of the internal cavity 51 intended to come into frontal contact with the male element 32, a series of male connectors 52 , preferably arranged in a regular manner around the periphery of the cavity, as illustrated by the section BB.
• the male element 32 comprises on its front part a series of female connectors 53, identical in number to the connectors 52 of the female element and respecting a symmetrical disposition to that adopted for the connectors of the female element.
• the facing of a male connector 52 and a female connector 53 ensures the facing of all the connectors.
• connection to the structure carrying the signals and the energy can thus advantageously be performed simultaneously to the mechanical stowage of the transmitter on the line. To do this, it suffices that, during the complete insertion of the element 31 into the element 32, the connectors are positioned facing each other, as illustrated in FIG.
• the facing of the male and female connectors may in many cases require the application of a twist on the pulling line, as shown in FIG. 5 by the double circular arrows 54 and 55.
• the unwinding of the traction line may cause the latter to take any orientation around its axis of symmetry 33 so that the male element 32 and the female element 34 also have any relative orientation not allowing the insertion of the male connectors 52 in the female connectors 53.
• the traction line may, for various reasons such as the movements of the receiving antenna for example, be wound on the drum of the winch with any orientation of the element 32.
• the automatic securing device comprises automatic positioning and orientation means which make it possible in particular to ensure a relative orientation of the male element 32 with respect to the female element 31 which places the connectors 51 of the element 31, male connectors for example, facing the connectors 52 of the element 32, female connectors in this case.
• the basic structure of these means is illustrated by the embodiment of FIG. 6.
• FIG. 6 schematically shows an embodiment of the means 21 for automatic stowage of fish, means performing the mechanical stowage and connection to the structure carrying the signals and energy.
• the element male 32 has a front portion 56, extended by the curvature limiter 36, which portion comprises positioning structures and orientation 62, in the form of fingers, arranged all around the front portion 56.
• the female member 31 also comprises positioning elements and orientation 61 in the form of fingers, shown in dashed lines in the figure, the size and disposition of the periphery of the cavity defined by the element 31 are such that when the male element 32 is completely inserted into the female element 32 each element 61 occupy the free space 64 between two elements 62. This relative positioning of the elements 61 and 62 advantageously ensures the automatic matching connectors 52 and 53.
• the elements 61 and 62 according to the invention take adapted forms.
• the positioning and orientation elements 61 and 62 have oblong shapes capable of facilitating the sliding of the elements against each other and ends 71 and 72 which ensure that even in a configuration where the fingers 61 and 62 are perfectly opposite to the beginning of the insertion of the male member 32 in the female element 31, the respective profiles of the ends of these elements prevent a frontal blockage and leads naturally to sliding against each other by inducing a rotation of the male element 32 relative to the female element 31.
• the walls of the end 72 of the elements 62 form two planes whose intersection defines a vertical edge 74
• the walls of the elements 61 form two planes whose intersection defines an oblique edge 73.
• FIG. 8 illustrates the advantageous effect provided by this configuration allows both an automatic centering insertion without risk of blockage. We obtain automatically an adequate orientation of the male element with respect to the female element.
• the relative positioning of the fish (or more generally means of emission) and the pulling line allows it to perform one automatically, without human intervention, the mechanical attachment of the fish to the line of traction and the connection of the fish to the electrical connection, optical or pneumatic associated with it.
• the line is inserted into the tubular cavity 31 1 of the female element 31 while it is facing the portion 13-a of the line 13, then to slide the line 13 inside the cavity 31 1 in the direction indicated by the arrow 63 of FIG. 6, until the male element 32 carried by the line 13 comes to fit completely into the female element 31 carried by Fish.
• this device has the main role during the sonar setting, to position the fish 1 1 opposite line 13 and when the part 13-A of the line is unrolled from the winch to lift the fish so that the line is engaged in the tubular cavity 31 1. In this way, the line 13 continuing to unfold the male element 32 is inserted completely into the female element 31.
• the automatic stowage of the fish being then achieved, the automatic handling device then has the role of releasing the fish so that it is driven towards the sea by the pulling line 13 to which it is stowed.
• a chassis 91 integrating the various elements of the device a mobile support 92 on which the fish 1 1 enclosing the transmitter itself is positioned when it is not secured to the traction line 13 and from which it is separated after stowing,
• the automatic handling device 22 is placed at the exit of the winch 14 so as not to impede the progress of the pulling line 13.
• the fish 11 is placed on a support mobile 92 having two notches 93 forming stirrups supporting the fish.
• the support 92 is slidably arranged along two sets of slides, an upper set 94 and a lower set 95, placed on either side of the device.
• it comprises in particular means capable of facilitating this sliding, such as, for example, sets of bearings 96.
• the displacement of the support 92 along the slides 94 and 95 is ensured by motor means 98, for example a hydraulic cylinder controlled one end of which is fixed to the frame of the device and the other end of which is fixed to the support.
• the slideways 94 and 95 are arranged and profiled so that the support 92 firstly follows a horizontal translational movement, on segments I between points A and B, then a vertical translational movement. on segments II between points B and C; then finally a tilting movement backwards between the points C and D (portion III) of the slides of the upper set 94.
• the portions AB and BC of the slides 94 and 95 are rectilinear lengths and inclinations identical.
• the portion CD of the slides 94, for its part, is a curved portion.
• the horizontal translation movement has the effect of clearing the carriage from below the winch, which position also serves as a storage position of the fish on the deck of the building.
• the female element 31 is correctly positioned under the pulling line 13. Since then; the pulling line must be unrolled so that the line portion facing the female element 31 is the portion 13-a.
• the scrolling of the line in the element 31 automatically leads to the complete insertion of the male element 32 in the female element 31.
• This insertion can be completed by an automatic locking of the element 32 in the element 31, this locking can be achieved by any known means.
• the rearward rocking movement illustrated in FIG. 12, makes it possible to release, after stowage, the fish 11 from the notches 93 of the support 92.
• the fish can thus follow without hindrance the immersion movement of the traction line. 13 to which he is stowed.
• the vertical translational movement having brought the bearings 97 at the end of the runners 95 (point C) the continuation of the movement of the bearings 96 along the slideways 94, which adopt a curved profile between the points C and D, advantageously induces a rocker support 92 around the axes of rotation constituted by the ends of the slides 95 which correspond to the points C.
• the support 92 is also maintained in the tilted position as the fish remains immersed.
• the automatic handling device advantageously makes it possible to position the fish 13 and the traction line 13 in relative positions which makes it possible automatically, and without human intervention, the stowage and the electrical connection of the fish to the line of traction. It is thus possible to put into sea an active sonar or more generally to immerse any object having a similar mechanical structure, without resorting to human intervention.
• the chassis 91 of the handling device being Fixed position on the building handling platform, the latter occupies a relatively lower place than a conventional handling means. Only the support 92 on which the transmitter is placed is mobile.
• the pulling line is wound on the winch so that at a given moment the fish 1 1 is found positioned in contact in the notches 93. From this moment, the motor means 98 induce a movement of the support from the position D to the position C, so that the support 92 follows a toggling movement forward and that the fish is again immobilized on its support. As a result the winding of the traction line on the winch leads to an extraction of the male element 32 out of the female element 31, extraction which leads to mechanical unstacking and electrical disconnection of the fish. The line then continues to wind around the drum of the winch 14.
• the motor means 98 then drive the support 92 in a vertical translation movement from the position C to the position B and in a horizontal translational movement to the position A, position in which the support and the fish, housed under the output of the winch 14, are for example no longer an inconvenience for hauling the linear receiving antenna12.
• the automatic handling device according to the invention also advantageously allow the recovery of sonar, unstowing and storage of fish without resorting to any human intervention.
• the automatic stowage device 21 can be completed by an automatic locking and unlocking means, the object of which is to maintain, in the locked position, the male element 32 in a position where it is completely inserted into the female element 31.
• This device may for example be constituted by a snap device for which the locking is performed automatically when the element 32 is completely inserted into the element 31.
• the unlocking may for example be activated during the sonar recovery maneuver by the rocking of the support 92 towards the rear and the immobilization of the fish in the notches 93.
• the mobile support 92 may also comprise means 99 for guiding and limiting the excessive curvature of the traction line that may occur after stowage of the fish, when launching the portion of line carrying the fish.
• These means 99 constitute a curved groove which is positioned under the pulling line 13 when the mobile support 92 is in position D, so as to serve as a guide and curvature limiter to the pull line and prevent deterioration of the line following an excessive curvature imposed in particular by the weight of the fish 1 1

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Aviation & Aerospace Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Ocean & Marine Engineering (AREA)
• Radar, Positioning & Navigation (AREA)
• Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

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• 2006
  • 2006-10-13 FR FR0608998A patent/FR2907263B1/fr not_active Expired - Fee Related
• 2007
  • 2007-10-11 EP EP07821220A patent/EP2076426B1/de active Active
  • 2007-10-11 DE DE602007012740T patent/DE602007012740D1/de active Active
  • 2007-10-11 KR KR1020097009705A patent/KR101474032B1/ko not_active IP Right Cessation
  • 2007-10-11 BR BRPI0717736-4A2A patent/BRPI0717736A2/pt not_active Application Discontinuation
  • 2007-10-11 ES ES07821220T patent/ES2359948T3/es active Active
  • 2007-10-11 WO PCT/EP2007/060853 patent/WO2008043823A1/fr active Application Filing
  • 2007-10-11 AU AU2007306342A patent/AU2007306342B2/en not_active Ceased
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  • 2007-10-11 US US12/445,315 patent/US8104419B2/en active Active
• 2009
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