EP2885202B1 - Vorrichtung zum aussetzen und bergen eines geschleppten sonars - Google Patents

Vorrichtung zum aussetzen und bergen eines geschleppten sonars Download PDF

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Publication number
EP2885202B1
EP2885202B1 EP13737226.4A EP13737226A EP2885202B1 EP 2885202 B1 EP2885202 B1 EP 2885202B1 EP 13737226 A EP13737226 A EP 13737226A EP 2885202 B1 EP2885202 B1 EP 2885202B1
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EP
European Patent Office
Prior art keywords
reel
fish
cable
turns
launching
Prior art date
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Active
Application number
EP13737226.4A
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English (en)
French (fr)
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EP2885202B8 (de
EP2885202A1 (de
Inventor
Christophe Borel
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Thales SA
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Thales SA
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Publication of EP2885202B1 publication Critical patent/EP2885202B1/de
Publication of EP2885202B8 publication Critical patent/EP2885202B8/de
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    • 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
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/36—Arrangement of ship-based loading or unloading equipment for floating cargo
    • 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
    • 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

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 bistatic devices in which the transmitting antenna is voluminal and is integrated in a submersible object volume and the receiving antenna consists of a linear antenna (flute) towed behind the transmitting antenna. These sonars are towed by means of a tow line which is, for example, formed in part of the linear antenna and to which the transmitting antenna is stowed.
  • the implementation of such a sonar comprises two handling steps consisting for one to the sonar launching from the surface vessel and the other sonar recovery and storage on the tractor building .
  • the linear receiving antennas are traditionally stored on a winch, for obvious reasons of congestion.
  • the placing at sea of a sonar comprising both an emission antenna mounted in a towed submersible machine, also called "fish", and a linear receiving antenna firstly consists of unrolling the linear antenna. by operating the winch and letting the linear 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.
  • the recovery of such a sonar aboard the surface vessel consists first of hauling the tow line, then pulling the fish out of the water and then uncoupling the fish from the line. When the latter is uncoupled, the following linear antenna is towed on board and wound on the winch.
  • the launching and recovery of such a sonar therefore involves a certain number of stowage and unstacking operations, which can be performed manually, which, depending on the weight of the transmitter, may require the mobilization of a larger number. 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 launching or sonar recovery can be made impossible for safety reasons.
  • 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.
  • the fish, attached to the flute is dropped to the sea by unrolling the electrotractor cable.
  • stowage and unstacking operations are replaced by connection and disconnection (electrical and mechanical) operations of the linear antenna and the part of the line comprising the fish. These operations are simpler than stowage and undocking operations, but they still require the intervention of operators.
  • the document GB 1,522,264 describes a device for launching and recovering a fish comprising a winch around which a cable of towing is suitable for surrounding and an arm capable of ensuring the recovery of fish.
  • the subject of the invention is a device for launching and recovering a sonar comprising a linear receiving antenna and a volume emission antenna integrated in a voluminal body called a fish, said sonar being towed. by a surface vessel by means of a tow line comprising a towing cable to which the fish is suspended, the linear antenna being stowed behind the cable with respect to the building, said device comprising a towing winch comprising a chassis integral with the surface building and to wind and unwind the tow line around a drum.
  • the drum comprises two parts movable in rotation about an axis of rotation, coupling means of the two parts, the first portion having a cylindrical shape on which the tow line is intended to wind, the second part comprising a first stop for receiving the fish.
  • the device comprises immobilization means, able to immobilize the second part of the drum relative to the frame.
  • the second part of the drum comprises a generally cylindrical rigid shell whose axis is the axis of rotation and delimiting a housing adapted to receive at least radially fish, the shell for winding the cable on its outer surface.
  • the diameter of the shell is greater than the diameter of the first part of the drum.
  • the second part of the drum comprises bearing means and possibly sliding against which the towing cable is able to slide, and possibly be guided.
  • the support means comprise a groove formed on the outer face of the shell.
  • the groove is configured to be able to receive the towing cable so that it does not protrude on the outer face of the shell.
  • the second part of the drum comprises first guide means for guiding the towing line in a plane perpendicular to the axis of rotation, on the second part of the drum at its output from the cutting head, in the recovery phase, and before entering the cutting head, in the sea-landing phase.
  • the device comprises slicing means comprising a slicing head, for guiding the tow line, means for driving the slitting head, for moving the slicing head parallel to the axis of rotation and driving means of the drum, able to rotate the first part of the drum about the axis of rotation.
  • the drive means of the cutting head and the reel are configured so as to wind the towing cable on the first part of the reel when the recovery of the sonar is triggered and as the first part of the reel has made, around of the axis of rotation and in the direction of the winding, a number of turns, called the drum, less than a first predetermined number of revolutions N1, with respect to a predetermined initial position of the first part of the drum.
  • the drive means of the cutting head are configured to immobilize the cutting head in a transfer position of the cutting head and the drive means of the drum are configured to position the second part of the machine. reel in a transfer position of the second part of the reel, said respective positions allowing the transfer of fish from the cutting head to the first stop, when sonar recovery is triggered and when the number of reel turns is equal at a third number of revolutions N3 at least equal to the first number of revolutions N1.
  • the coupling means are configured so as to couple the first part of the reel and the second part of the reel
  • the driving means of the cutting head and the drum are configured so as to wind the towing cable around the second part of the drum on the support means when the recovery phase is triggered, once the number of turns of drum has reached a number of revolutions of reels equal to a second number of revolutions N2 at least equal to the first number of reel revolutions N1 and before it reaches the third number of revolutions of reels N3.
  • the drive means of the cutting head and the reel are configured so as to position the towing cable so as to be guided by the first guide means before the number of revolutions of reels reaches the third. number of turns N3.
  • the coupling means are configured in such a way that disconnecting the first portion of the reel and the second portion of the reel and the reel driving means are configured to drive the first portion of the reel in rotation so as to wind the towing cable around the reel.
  • the immobilization means of the second part of the drum are configured so as to immobilize the second part of the drum in its transfer position, when the number of drum turns has reached the third number of turns N3 and until that the fish come into abutment against the first stop
  • the device comprises locking means able to keep the fish resting on the first stop, and when the recovery phase is triggered and the fish abuts against the first stop, the locking means are configured to maintain the fish bearing on the first stop, the coupling means are configured to couple the first part and the second part of the drum and the drive means of the cutting head and the drum are configured to perform a winding the tow line around the assembly formed by the first and second parts of the drum.
  • the device comprises second guide means for maintaining an inclination of the fixed fish relative to a plane perpendicular to the axis of rotation when the hooking means pass through the cutting head.
  • the device comprises third guide means for guiding and holding the fish in the housing in a predetermined direction perpendicular to the axis of rotation.
  • the invention also relates to a towing system comprising a deployment and placing device according to the invention and further comprising a linear receiving antenna and a volume transmitting antenna integrated into a body called fish, and a tow line comprising a tow line to which the fish is suspended and to which the linear antenna is stowed behind the cable relative to the building, the towing cable being attached to said device.
  • the figure 1 schematically represents a building surface 10 which is here a ship towing an active sonar by means of a tow line 11.
  • the sea level is shown in phantom.
  • the sonar includes a linear receiving antenna 13 which is a neutral buoyant receiving antenna. It also comprises a volume emission body 12 called fish incorporating a volume acoustic emission antenna mounted in a submersible object, which is also volumic.
  • the fish 12 is suspended at the tow line 11 by means of attachment means 12a while the linear receiving antenna is integrated with the tow line 11.
  • the tow line 11 comprises a towing cable 14, the linear antenna 13 and an end cable 15.
  • the fish 12 and the linear antenna 13 are mechanically secured and electrically and / or optically connected to the towing cable 14
  • the fish 12 is suspended from the electrotractor cable 14.
  • the linear antenna 13 is fixed at the end of the electrotractor cable 14. It extends linearly between the electrotractor cable 14 and an end cable 15 forming the free end of the tow line 11.
  • the cable 14 also provides the routing of signals and power between the ship 10 and the antennas 12 and 13.
  • the towing cable 14 comprises a first end attached to the ship and a second end attached to the linear antenna 13.
  • the linear receiving antenna 13 is towed behind the fish, relative to the ship 10.
  • the electrotractor cable 14 includes a heavy cable 14a attached to the ship at one end and a light cable 14b at its other end, the fish 12 and the linear antenna 13 being lashed to the light cable (which has a density less than the density of the cable heavy).
  • the antenna of the fish 12 emits sound waves in the water and the receiving antenna 13 picks up any echoes from targets on which the sound waves from the fish 12 are reflected. .
  • the device for launching and retrieving the sonar according to the invention comprises a towing winch 20 disposed on the deck of the ship 10 and being integral with the latter.
  • the winch 20 comprises a frame 27 integral with the ship 10 and a drum or drum 21 adapted to pivot relative to the frame about an axis of rotation x.
  • the winch advantageously comprises drive means ENT1, 100 of the drum 21, shown in FIG. figure 6 , for driving a first portion of the drum 22 in rotation about the x axis relative to the frame 27 to wind and unwind the tow line around the drum 21.
  • the drum 21 comprises the first portion 22 and a second portion 23. These portions are adjacent along the axis of rotation x. They occupy respective axial positions predetermined along the x axis, relative to the frame 27.
  • the first and second portions 22, 23 are both rotatable about the x-axis with respect to the frame 27.
  • the first portion 22 has a cylindrical x-axis shape on which the tow line 11 is intended to be 'wrap.
  • the second part 23 comprises a first stop 28, visible on the figure 2a , intended to accommodate the fish 12, that is to say on which the fish is intended to abut, that is to say in support.
  • the device also advantageously comprises locking means 29 making it possible to lock the position of the fish 12 in relation to at the first stop 28 when it is in abutment against the first stop 28.
  • the second part 23 of the drum 21 advantageously comprises a substantially cylindrical rigid shell 23a of x axis delimiting a housing 30 adapted to receive (at least radially, that is to say, perpendicularly to the x axis, the fish 12 ( as shown on the Figures 3e and 3f ).
  • the rigid shell 23a is configured to receive the fish 12 in its diameter.
  • the hull is arranged so that when the fish abuts against the first stop 28, the fish 12 is housed at least radially in the housing 30.
  • the shell 23a has an opening 23c visible on the figure 2a allowing the fish to pass between the housing 30 and the outside of the housing 30 by a movement in a plane perpendicular to the x axis.
  • the opening is, in the embodiment of the figures made in the form of a notch.
  • the shell 23a could also be pierced with a hole forming the opening 23a.
  • the fish 12 once it is housed in the housing 30, that is to say stored in the rigid shell 23a, as shown on the Figures 3e and 3f , does not protrude from the rigid shell 23a in the axial direction, which promotes the compactness of the device.
  • the shell 23a allows the winding of the tow line on its outer surface.
  • the second part of the drum 23 advantageously comprises bearing means 31, visible on the figure 2b , against which the towing cable 14 is able to slide between a cutting head 25 and the first part of the drum 22.
  • the bearing means 31 are provided with a coating promoting sliding, for example high density polyethylene (HDPE).
  • HDPE high density polyethylene
  • these bearing means 31 are made in the form of a groove 31 formed on the outer face 23b of the shell 23a.
  • the outer face 23b is the face of the shell 23a which faces the outside of the cylinder.
  • the groove 31 opens out facing the first part of the drum 22.
  • the second part of the drum 23 is shown in a waiting position in which the groove 31 opens out at the plane of separation P which is the vertical plane in which the towing cable detaches from the drum 21 to reach the head of In this position the opening 23c is turned towards the bottom of the winch.
  • the groove 31 and more generally, the support means 31 are advantageously arranged to allow the cable 14 to wind around the second portion 23 away from one end of the second portion 23 located at contact of the first part 22.
  • the groove 31 has a helical shape.
  • the shell 23 is devoid of groove and the support means comprise the outer face 23b of the shell 23a.
  • the shell is in this case advantageously smooth and optionally coated with a coating promoting sliding.
  • bearing means are made in the form of a groove 31, they also have a function of sliding means in which the towing cable 14 is slidable. This makes it possible to prevent the cable 14 from moving towards the first part of the drum 22 during sliding.
  • the means could be made differently, for example by means of pulleys.
  • the support means are also sliding means.
  • the device according to the invention further comprises coupling means ACC, 101, represented on the figure 6 , allowing the two parts 22, 23 of the drum 21 to be coupled and uncoupled.
  • the coupling means 101 are conventional means for those skilled in the art which are, for example, in the form of a clutch or brake-based coupled to a jaw secured to one of the parts or on an engine coupled to a ring gear.
  • the drive means of the drum 100 are dimensioned so as to be able to rotate together the two parts of the drum 22, 23.
  • the device according to the invention makes it possible to launch and retrieve a sonar comprising a linear antenna and a fish without the need for stowage or unstacking of the fish, but only by means of an intelligent control or configuration of the different means of the device. It has the advantage of being reliable. It is also compact and lightweight because it does not require installation on the floating vessel of equipment other than a winch, especially for storing fish.
  • the winch 20 comprises slicing means comprising a slicing head 25 in which the tow line 11 and the attachment means 12a are slidable.
  • the cutting means 24 allow the tow line to be correctly positioned on the drum so that the turns generated during the winding are arranged in an ordered manner, that is to say turn by turn so that two adjacent turns are contiguous. and layer by layer.
  • the function of the cutting head 25 is to guide the tow line so as to ensure that the portion of the tow line 11 presented to the drum 21 is oriented perpendicular to the axis of rotation x to allow a proper arrangement of the turns.
  • the cutting head 25 advantageously comprises an articulated fairlead 25b suspended from guides 26 via a sliding assembly 25a slidable along guides 26 extending parallel to the x-axis.
  • the cutting means 24 comprise means for driving the cutting head ENT2 103 to move it along the guides 26 along an axis parallel to the axis of rotation x along the drum 21 in both directions. .
  • the cutting head is guided by means of the guides 26.
  • the coupling means 101, the driving means of the drum 100 and the cutting head 103 as well as the locking means 29 and immobilizing IMM, 104, which will be described later advantageously comprise automatic control means which are able to be configured according to predetermined configurations. When an operator triggers the recovery or the sea, they operate according to their respective configurations.
  • the device comprises control means, allowing an operator to control, the means mentioned in the previous paragraph.
  • the drive means of the cutting head and the drum are advantageously configured so as to wind the towing cable 14 on the first part of the drum 22, and more particularly the portion of the cable 14a situated in front of the fish 12, as long as the first part of the drum has realized, around the axis x and in the direction of the winding, a number of turns, called drum, less than a first predetermined number of turns N1, with respect to a predetermined initial position of the first part of the drum.
  • the number of revolutions of the reel means the number of revolutions made by the first part of the reel in the winding, with respect to a predetermined initial position.
  • the first number of turns N1 is determined so that the arrival of the fish 12 at the level of the cutting head 25 is close.
  • N1 is, for example, determined as a function of the distance separating, along the towing cable 14, the end of the towing cable which is fixed to the ship 10 and the position of the fish 12 when the towing cable 14 is relaxed from so that when the number of revolutions of drum is equal to N1, the distance separating the fish 12 and more particularly the attachment means 12 of the cutting head 25, when the cable 14 is relaxed, is less than a first threshold distance predetermined.
  • the system advantageously comprises means for counting the number of revolutions of the drum and for comparing them to one or more predetermined number of revolutions.
  • the coupling means 101 are advantageously configured so as to couple the two parts 22, 23 of the drum 21.
  • the two parts of the drum 22, 23 are shooting together.
  • the first and second parts are advantageously arranged so that when the number of revolutions of the reel is equal to N1, the second part of the reel is in the waiting position represented on the reels. Figures 4a and 4b . In this position, it is possible to come insert the towing cable in the groove 31.
  • the coupling means are configured so as to disengage the two parts of the drum 22, 23, the drive means 100 of the drum and the drive means of the slicing means 103 are advantageously configured so as to drive the second part 23 rotating drum while bringing the cutting head 25 opposite the second portion of the drum 23 so as to insert the towing cable 14 into the groove 31, once the number of drum turns has reached N1 and the second part of the reel is in its standby position and until the number of revolutions of the reel reaches a second number of revolutions N2 greater than N1.
  • This configuration is represented on the figure 5 .
  • the device according to the invention advantageously comprises immobilization means IMM, 104, made, for example in the form of a brake or a clutch, making it possible to immobilize the second part 23 of the drum 21 with respect to the frame 27.
  • immobilization means IMM, 104 made, for example in the form of a brake or a clutch, making it possible to immobilize the second part 23 of the drum 21 with respect to the frame 27.
  • These means are advantageously configured so as to immobilize the second part of the drum 23
  • the second part of the drum 23 is provided with a second stop 32 which is visible on the Figure 2c and on Figures 3a to 3e .
  • This second stop has a function of first guiding means capable of guiding the towing line 11 in a plane perpendicular to the x-axis on the second part of the reel 23 at its exit from the cutting head 25 (in the recovery phase) and before it enters the slitter head 25 (in the sea phase) when the second part of the reel is in a transfer position to be described later.
  • the first guide means could be made in another form.
  • the first guide means may be formed by the groove. In this case, the groove must be dimensioned so as to receive slidably hooking means.
  • the coupling means 101 are configured to couple the two parts 22, 23 of the drum, and the drive means of the cutting head 103 and the driving means of the drum 100 are configured so as to wind the towing cable 14 on the groove 31 (that is to say on the support means 31), advantageously to come put the towing cable in abutment against a second stop 32 (that is to say to come to position the towing cable so as to be guided by the first guide means 32), then and to come to immobilize the second part of the drum 23 and the cutting head 25 in respective transfer positions allowing the transfer of the fish 12 from the cutting head to the first stop 28 (and vice versa).
  • the transfer positions of the cutting head 25 and the second part of the drum 23 are shown on the figure 2b .
  • the opening 23c faces the cutting head 25.
  • the cutting head 25 is in its transfer position, it faces the stop 28. More precisely , in the embodiment of Figures 3a to 3c it is arranged, along the x axis, so as to allow the fish 12 to pass through the opening 23c.
  • the first direction is the direction of translation along the oriented x-axis of the first part 22 towards the second part of the reel 23, respectively of the second part 23 towards the first part 22 of the second part. reel.
  • the two parts of the drum 22, 23 are turned, for example, at the same time as the slicing head 25 is translated in the first direction, so as to wind the cable 14 on the groove 31, and until the cable 14 is found on the other side of the second stop 32. Then immobilizes the drum 21 and translates the cutting head 25 in the second direction to come put the cable 14 against the second stop 32 and place the cutting head 25 opposite the second portion of the drum 23 in its transfer position. Then turn the drum 21 until the opening 23c is correctly positioned relative to the cutting head, that is to say to its transfer position.
  • the number of turns made by the drum is equal to a third number of turns N3.
  • N3 is greater than N1 and N2.
  • the transfer position of the second part of the reel is, for example, determined as a function of the number of revolutions of the reel, when the number of revolutions of reel is equal to N3.
  • the coupling means 101 are configured to uncouple the two parts of the drum
  • the immobilizing means 104 are advantageously configured so as to immobilize the second part of the drum 23 and the driving means of the drum 21 100 are configured to drive the first part of the drum.
  • revolving drum 22 so as to wind the towing cable 14 around the drum 21.
  • the device is advantageously provided with means 105, DET, for detecting the moment when the fish 12 comes into abutment against the stop 28.
  • the fish 12 is initially located behind the cutting head 25 ( Figure 3a, 3b ). As the first part of the drum 22 rotates, the attachment means 12a pass through the cutting head 25 ( figure 3c , 3d ) then the second stop 32 while the fish 12 passes through the opening 23c and enters the housing 30 ( figures 3e, 3f ). The fish 12 abuts against the first stop 28.
  • the locking means 29 hold the fish 12 in abutment on the abutment 28.
  • the towing cable 14 slides in the groove 31 and wraps around the first part of the drum 22. This is only a few meters of cable 14 of the hundreds or thousands of meters that can measure the cable.
  • the length of the tow line varies according to the speed of the ship and the state of the sea. length is due to the elasticity of the tow line.
  • a towing cable 14 of about 1000 m can undergo a length variation of more than one meter. It is necessary to take into account these variations in length in order to be able to correctly recover the fish 12. It is necessary to correctly configure the device so as not to carry out, before the recovery of the fish 12, a winding which would block the access of the fish 12 at the opening 23c and more particularly at the first stop 28. It is also necessary to correctly position the first stop 28 (and the opening 23c) so that on arrival, the fish 12 can abut against the first stop 28.
  • the device according to the invention thus makes it possible to ensure a correct recovery of the fish 12 and sonar as a whole even if the length of the towing cable 14 varies. However, it does not require a very precise synchronization of the moment when the cutting head 25 and the first stop 28 are correctly positioned relative to one another with the actual arrival of the fish 12 25. If the towing cable 14 is stretched, the fish reaches the level of the cutting head when the cutting head and the first stop are correctly positioned relative to one another. In this case, the cable 14 slides on the groove 31 and wind on the first part of the drum 22, until the fish 12 abuts against the first stop 28. N3 is also determined so that when the number of turns is equal to N3, the distance separating the fish 12 from the cutting head 25, when the cable 14 is expanded, is less than a second predetermined threshold distance lower than the first threshold distance.
  • the device comprises second guide means 33 for maintaining the inclination of the fish 12 fixed relative to a plane perpendicular to the axis of rotation x when the attachment means 12a through the cutting head 25.
  • This feature allows to ensure effective entry of fish into the dwelling even if the sea is rough because they avoid the fish to rotate around the tow line.
  • these second guiding means comprise two arms 33a able to pivot relative to the frame 27 about a second axis x2 (visible on the figure 2a parallel to the axis of rotation x between a lowered position ( Figures 3a and 3b ) and a raised position ( Figures 3e and 3f ). These arms are arranged to grip the fish between these two selected positions so as to grip the fish when the hooking means pass through the cutting head.
  • the device comprises third guide means 34 for guiding and holding the fish 12 in the housing 30 in a predetermined direction perpendicular to the x-axis.
  • This rail and the locking means 29 immobilize the fish in its housing 30 because it is no longer possible to move in the axial direction, nor with respect to the first stop. Thus the roll of the boat does not produce movement of the fish.
  • the third guide means are in the form of a guide rail 34 arranged in the housing 30.
  • N2 and N3 are different.
  • the first 22 and second 23 parts of the drum are held together, between the end of the winding phase of the towing cable 14 around the first part of the drum 22 and the moment when the second part of the drum 23 and the slicing head 25 are in their respective transfer positions.
  • This configuration makes it possible to position the towing cable in abutment against the second stop 32 without having to provide means for lowering or raising the cutting head 25. It also limits the efforts on the second stop 32 (or second guiding means), or on the cutting head (if the device is devoid of second guiding means 32).
  • the towing cable 14 would exert a large force on the second stop (or second guide means) in the axial direction (or on the cutting head 25) and therefore on the drive means of the drum.
  • the groove 31 does not perform the function of second stop 32, is advantageous because it allows to provide a stop 32 of larger size and thus correctly guide attachment means 12a of larger size to the diameter of the cable 14a.
  • the groove 31 makes it possible to control the sliding zone of the cable and thus to limit the length of the groove, that is to say the length over which the cable will slide on the second part of the reel during the recovery phase of the fish. .
  • the groove 31 or the support means extend over an opening angle of between 30 ° and 270 ° about the x axis.
  • the locking means 29 are configured to hold the fish 12 in abutment against the first stop 28 when it abuts against said first stop 28.
  • the coupling means 101 are advantageously configured so as to couple the two parts 22 and 23 of the drum.
  • the drive means of the cutting head 103 and the drive means of the drum 100 are advantageously configured so as to achieve a winding, preferably ordered, of the tow line 11 around the assembly formed by the first and second parts of the drum 22, 23.
  • the means of the device are configured to wind the portion of the tow line behind the fish 12 around the first part of the drum. This is, for example, the case when the first part of the drum 23 is devoid of shell 23a.
  • the arrangement of the groove so that the towing cable does not protrude on the outer face of the shell avoids damaging the portion of the cable that is in the groove when winding the rest of the the tow line. It also makes it possible to obtain a well-ordered arrangement of the turns.
  • the outside diameter of the shell is greater than the outside diameter of the first part of the drum. This helps to promote the orderly arrangement of turns around the drum.
  • the difference between the outer diameter of the shell and the outer diameter of the first part of the cylinder is substantially equal to the thickness required to wind the towing cable in an orderly manner around the first part of the drum by realizing a number of turns. of drum equal to the second number N2 of turns (which can be equal to N1).
  • N2 the second number of turns (which can be equal to N1).
  • N2 the number of lath turns
  • the surface formed by the winding turns and the shell is a quasi-cylindrical surface which allows to obtain finally a particularly well-ordered arrangement of turns.
  • the drive means of the slicing means 103 are advantageously configured so as to align the guide means with the turn which is being unwound on the drum 21.
  • the coupling means 101 are advantageously configured so as to couple the two parts of the drum, and the drive means of the drum 100, so as to unwind the tow line as the number of turns made by the drum around the drum.
  • X axis, with respect to an initial position, in the direction of the winding, is greater than a fourth number of turns N4 substantially corresponding to the number of turns made by the drum 21 when the fish 12 comes to touch the first stop 28 when of the winding phase.
  • the driving means of the slicing means 103 and the possible immobilizing means 104 are advantageously configured so as to immobilize the slicing head 25 and the second part of the reel 23 in their respective transfer positions when the number of revolutions is equal. at N4 ( Figures 3e and 3f ). This configuration allows the expulsion of the fish from its dwelling 30.
  • the coupling means 101 are configured so as to disengage the two parts 22, 23 of the drum, the possible immobilization means 104 are advantageously configured so as to immobilize the second part of the drum, and the drive means of the drum 100 are configured to drive the first portion of the reel 22 in rotation so as to unroll the towing cable 14 from the moment the trimming head 25 and the second reel portion are immobilized in their respective transfer positions and as long as the fish 12 is not located beyond the means of slicing relative to the reel 21, for example, until the number of revolutions of reel reaches a fifth number of revolutions N5, for example equal to the third number of revolutions N3 or less than N1.
  • the hydrodynamic drag produced by the submerged portion of the tow line generates a tensile force on the fish 12.
  • the reel unrolls the cable and combined with the traction force generated by the hydrodynamic drag generates a traction force on the fish 12 able to extract the fish 12 from its housing 30 or the first stop 28. In this way, the fish 12 leaves the housing 30, passes through the cutting head and is immersed.
  • the towing cable slides in the groove.
  • the first part of the reel (advantageously coupled or not to the second part of the reel) is advantageously rotated so as to unroll the towing cable until a desired immersion is obtained for the reel. sonar.
  • the subject of the invention is also a towing system comprising a deployment and launching device according to the invention as well as a sonar comprising a linear receiving antenna 13, a volume emission antenna integrated in a solid body to form a voluminal body 12 called fish and a tow line 11 comprising a towing cable 14 to which the fish 12 is suspended and to which the linear antenna 13 is stowed behind the cable 14 relative to the building 10, the cable of towing 14 being attached to said device.

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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)

Claims (18)

  1. Vorrichtung zum Aussetzen und Bergen eines Sonars, umfassend eine zweidimensionale Empfangsantenne (13) und eine dreidimensionale Sendeantenne, die in einen Fisch (12) genannten Volumenkörper integriert ist, wobei das Sonar von einem Überwasserschiff (10) mit einem Schlepptau (11) geschleppt wird, das ein Tauseil (14) umfasst, an dem der Fisch (12) aufgehängt wird, wobei die zweidimensionale Antenne (13) hinter dem Seil (14) relativ zu dem Schiff (10) verstaut wird, wobei die Vorrichtung eine Tauwinde (20) umfasst, die einen Rahmen (27) zum festen Verbinden mit dem Überwasserschiff (10) umfasst und es zulässt, dass das Schlepptau (11) auf eine Trommel (21) auf- und von dieser abgewickelt wird, dadurch gekennzeichnet, dass die Trommel (21) zwei Teile (22, 23) umfasst, die frei um eine Drehachse (x) rotieren, Mittel (101) zum Koppeln der beiden Teile (22, 23), wobei der erste Teil (22) eine zylindrische Form hat, auf die das Schlepptau (11) gewickelt werden soll, wobei der zweite Teil (23) einen ersten Anschlag (28) zum Aufnehmen des Fischs (12) umfasst.
  2. Vorrichtung zum Aussetzen und Bergen eines Sonars nach dem vorherigen Anspruch, umfassend Feststellmittel (104) zum Feststellen des zweiten Teils (23) der Trommel (21) relativ zu dem Rahmen (27).
  3. Vorrichtung zum Aussetzen und Bergen eines Sonars nach einem der vorherigen Ansprüche, wobei der zweite Teil der Trommel (23) einen allgemein zylindrischen starren Mantel (23a) umfasst, dessen Achse die Rotationsachse (x) ist und der ein Gehäuse (30) begrenzt, das den Fisch (12) wenigstens radial aufnehmen kann, wobei der Mantel es zulässt, dass das Seil über seine Außenfläche (23b) gewickelt wird.
  4. Vorrichtung zum Aussetzen und Bergen eines Sonars nach dem vorherigen Anspruch, wobei der Durchmesser des Mantels (23a) größer ist als der Durchmesser des ersten Teils der Trommel (22).
  5. Vorrichtung zum Aussetzen und Bergen nach einem der vorherigen Ansprüche, wobei der zweite Teil der Trommel (23) Anlagemittel (31) und evtl. Gleitmittel umfasst, an denen das Schleppseil (14) gleiten und evtl. geführt werden kann.
  6. Vorrichtung zum Aussetzen und Bergen nach dem vorherigen Anspruch, wobei die Anlagemittel (31) eine Nut (31) umfassen, die auf der Außenfläche (23b) des Mantels (23a) vorgesehen ist.
  7. Vorrichtung zum Aussetzen und Bergen nach dem vorherigen Anspruch, wobei die Nut (31) so konfiguriert ist, dass sie das Schleppseil (14) aufnehmen kann, so dass es nicht auf der Außenfläche (23b) des Mantels (23a) vorsteht.
  8. Vorrichtung zum Aussetzen und Bergen eines Sonars nach einem der vorherigen Ansprüche, wobei der zweite Teil der Trommel (23) erste Führungsmittel (32) zum Führen des Schlepptaus (11) entlang einer Ebene lotrecht zur Drehachse (x) umfasst, während der Bergungsphase auf dem zweiten Teil der Trommel (23) am Ausgang vom Seilführungskopf (25) und während der Aussetzungsphase vor dem Eintritt in den Seilführungskopf (25).
  9. Vorrichtung zum Aussetzen und Bergen eines Sonars nach einem der vorherigen Ansprüche, die Seilführungsmittel umfasst, die einen Seilführungskopf (25) umfassen, so dass das Schlepptau (11) geführt werden kann, und Mittel (103) zum Antreiben des Seilführungskopfes (25), so dass der Seilführungskopf (25) sich parallel zur Drehachse (x) bewegen kann, wobei die Vorrichtung ferner Mittel (100) zum Antreiben der Trommel (21) umfasst, die bewirken können, dass der erste Teil der Trommel (22) um die Drehachse (x) schwenkt, wobei die Mittel zum Antreiben des Seilführungskopfs (25) und der Trommel so konfiguriert sind, dass das Schleppseil (14) über den ersten Teil der Trommel (22) gewickelt wird, wenn die Bergung des Sonars ausgelöst wird und bis der erste Teil der Trommel (22) eine Anzahl von Trommelumdrehungen genannten Umdrehungen um die Drehachse (x) und in Wickelrichtung, die kleiner ist als eine erste Zahl von vorbestimmten Umdrehungen N1, relativ zu einer vorbestimmten Anfangsposition des ersten Teils der Trommel vollendet hat.
  10. Vorrichtung zum Aussetzen und Bergen nach einem der vorherigen Ansprüche, die Seilführungsmittel umfasst, die einen Seilführungskopf (25) umfassen, so dass das Schlepptau (11) geführt werden kann, und Mittel zum Antreiben des Seilführungskopfes (25), so dass sich der Seilführungskopf (25) parallel zur Drehachse (x) bewegen kann, wobei die Vorrichtung ferner Mittel (100) zum Antreiben der Trommel (100) umfasst, die bewirken können, dass der erste Teil der Trommel (22) um die Drehachse (x) schwenken kann, wobei die Antriebsmittel (103) des Seilführungskopfs (25) so konfiguriert sind, dass sie den Seilführungskopf in einer Transferposition des Seilführungskopfs feststellen können, und die Mittel (100) zum Antreiben der Trommel so konfiguriert sind, dass sie den zweiten Teil der Trommel (23) in einer Transferposition des zweiten Teils der Trommel (23) positionieren, wobei es die jeweiligen Positionen zulassen, dass der Fisch (12) vom Seilführungskopf (25) zum ersten Anschlag (28) transportiert wird, wenn die Bergung des Sonars ausgelöst wird und wenn die Anzahl von Trommelumdrehungen gleich einer dritten Anzahl N3 von Umdrehungen ist, die wenigstens gleich der ersten Anzahl N1 von Umdrehungen ist.
  11. Vorrichtung zum Aussetzen und Bergen eines Sonars nach Anspruch 10 in Abhängigkeit von Anspruch 6 oder 7, wobei die Kupplungsmittel (101) so konfiguriert sind, dass sie den ersten Teil der Trommel (22) und den zweiten Teil der Trommel (23) kuppeln, wobei die Mittel (103) zum Antreiben des Seilführungskopfs (25) und der Trommel so konfiguriert sind, dass sie das Schleppseil (14) um den zweiten Teil der Trommel auf den Anlagemitteln (31) wickeln, wenn die Bergungsphase ausgelöst ist sobald die Anzahl von Trommelumdrehungen eine Anzahl von Trommelumdrehungen erreicht hat, die gleich einer zweiten Anzahl N2 von Umdrehungen ist, die wenigstens gleich der ersten Anzahl N1 von Trommelumdrehungen ist, und bevor sie die dritte Anzahl von Trommelumdrehungen N3 erreicht.
  12. Vorrichtung zum Aussetzen und Bergen eines Sonars nach dem vorherigen Anspruch in Abhängigkeit von Anspruch 8, wobei die Mittel (103) zum Antreiben des Seilführungskopfs (25) und der Trommel ferner so konfiguriert sind, dass sie das Schleppseil (14) so positionieren, dass es von den ersten Führungsmitteln geführt wird, bevor die Anzahl von Trommelumdrehungen die dritte Anzahl N3 von Umdrehungen erreicht.
  13. Vorrichtung zum Aussetzen und Bergen eines Sonars nach einem der Ansprüche 10 bis 12, wobei, wenn die Bergungsphase ausgelöst wird und die Anzahl von Trommelumdrehungen die dritte Anzahl N3 von Umdrehungen erreicht hat und bis der Fisch (12) in Anlage am ersten Anschlag (28) kommt, die Kopplungsmittel (101) so konfiguriert sind, dass sie den ersten Teil der Trommel (22) und den zweiten Teil der Trommel (23) abkoppeln, und wobei die Mittel zum Antreiben der Trommel so konfiguriert sind, dass sie den ersten Teil der Trommel (22) in Drehung versetzen, um das Schleppseil (14) um die Trommel (21) zu wickeln.
  14. Vorrichtung zum Aussetzen und Bergen eines Sonars nach dem vorherigen Anspruch in Abhängigkeit von Anspruch 2, wobei die Feststellmittel (104) des zweiten Teils der Trommel so konfiguriert sind, dass der zweite Teil der Trommel (23) in seiner Transferposition festgestellt wird, wenn die Anzahl von Trommelumdrehungen die dritte Anzahl von Umdrehungen N3 erreicht hat, und bis der Fisch (12) in Anlage am ersten Anschlag (28) kommt.
  15. Vorrichtung zum Aussetzen und Bergen eines Sonars nach einem der Ansprüche 1 bis 14, umfassend Arretiermittel (29), die den Fisch (12) in Anlage am ersten Anschlag (28) halten können, Seilführungsmittel, die einen Seilführungskopf (25), der das Führen des Schlepptaus (11) zulässt, umfassen, und Mittel (103) zum Antreiben des Seilführungskopfs (25), die es zulassen, dass sich der Seilführungskopf (25) parallel zur Drehachse (x) bewegt, wobei die Vorrichtung ferner Mittel (100) zum Antreiben der Trommel umfasst, die bewirken können, dass der erste Teil der Trommel um die Drehachse (x) schwenkt, und wobei, wenn die Bergungsphase ausgelöst ist und der Fisch (12) am ersten Anschlag (28) anliegt, die Arretiermittel (29) so konfiguriert sind, dass sie den Fisch (12) in Anlage am ersten Anschlag (28) halten, die Kupplungsmittel (101) so konfiguriert sind, dass sie den ersten Teil (22) und den zweiten Teil (23) der Trommel koppeln, und die Mittel zum Antreiben des Seilführungskopfs und der Trommel so konfiguriert sind, dass sie das Schlepptau (11) um die Baugruppe wickeln, die durch den ersten und zweiten Teil der Trommel (22, 23) gebildet wird.
  16. Vorrichtung nach einem der vorherigen Ansprüche, die zweite Führungsmittel (33) umfasst, die ein relativ zu einer Ebene lotrecht zur Drehachse (x) festes Geneigthalten des Fischs (12) zulassen, wenn die Befestigungsmittel (12a) den Seilführungskopf (25) passieren.
  17. Vorrichtung nach einem der vorherigen Ansprüche, die dritte Führungsmittel (34) umfasst, die ein Leiten des Fischs (12) und ein Halten des Fischs im Gehäuse (30) in einer vorbestimmten Richtung lotrecht zu der Drehachse (x) zulassen.
  18. Schleppsystem, das eine Vorrichtung nach einem der vorherigen Ansprüche umfasst, das ferner eine zweidimensionale Empfangsantenne (13) und eine dreidimensionale Sendeantenne umfasst, die in einem als Fisch bezeichneten Körper integriert ist, und ein Schlepptau (11), das ein Schleppseil (14) umfasst, an dem der Fisch (12) aufgehängt ist und an dem die lineare Antenne (13) hinter dem Seil relativ zu dem Schiff (10) verstaut ist, wobei das Schleppseil (14) an der Vorrichtung angebracht ist.
EP13737226.4A 2012-08-17 2013-07-15 Vorrichtung zum aussetzen und bergen eines geschleppten sonars Active EP2885202B8 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1202250A FR2994559B1 (fr) 2012-08-17 2012-08-17 Dispositif de mise a l'eau de recuperation d'un sonar remorque
PCT/EP2013/064872 WO2014026817A1 (fr) 2012-08-17 2013-07-15 Dispositif de mise a l'eau et de recuperation d'un sonar remorque

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EP2885202A1 EP2885202A1 (de) 2015-06-24
EP2885202B1 true EP2885202B1 (de) 2016-08-24
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IN (1) IN2015DN01291A (de)
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RU2550643C1 (ru) * 2014-06-04 2015-05-10 Открытое акционерное общество "Концерн "Океанприбор" Устройство постановки и выборки гибкой протяженной буксируемой антенны
DE102015114375A1 (de) * 2015-08-28 2017-03-02 Atlas Elektronik Gmbh Trommel für eine Schleppantenne, Winde für eine Schleppantenne, Schleppantenne zum Schleppen im Wasser und Schiff zum Schleppen einer Schleppantenne im Wasser
CA2903227A1 (en) * 2015-09-04 2017-03-04 Janis NAMS Tow body arrangement for a towable device in a sonar system
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US20150239530A1 (en) 2015-08-27
CA2882225A1 (en) 2014-02-20
EP2885202B8 (de) 2016-11-02
JP6456288B2 (ja) 2019-01-23
US9751596B2 (en) 2017-09-05
CA2882225C (en) 2021-07-27
FR2994559A1 (fr) 2014-02-21
AU2013304333B2 (en) 2016-09-08
JP2015531717A (ja) 2015-11-05
EP2885202A1 (de) 2015-06-24
IN2015DN01291A (de) 2015-07-03
FR2994559B1 (fr) 2015-06-05
SG11201501206RA (en) 2015-05-28
WO2014026817A1 (fr) 2014-02-20
AU2013304333A1 (en) 2015-03-05

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