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
  • B63G8/39—Arrangements of sonic watch equipment, e.g. low-frequency, sonar
• • 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
  • B63G8/38—Arrangement of visual or electronic watch equipment, e.g. of periscopes, of radar
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01Q—ANTENNAS, i.e. RADIO AERIALS
  • H01Q1/00—Details of, or arrangements associated with, antennas
  • H01Q1/04—Adaptation for subterranean or subaqueous use
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01Q—ANTENNAS, i.e. RADIO AERIALS
  • H01Q1/00—Details of, or arrangements associated with, antennas
  • H01Q1/08—Means for collapsing antennas or parts thereof
  • H01Q1/085—Flexible aerials; Whip aerials with a resilient base
  • H01Q1/087—Extensible roll- up aerials
• • 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 invention relates to a deployment device that can be installed on a watercraft, in particular a submarine, for securing a hose-like underwater towing antenna of the type defined in the preamble of claim 1.
• the propulsion unit acting on the towing antenna which generates a tensile force acting in the deployment direction on the towing antenna, has an extension tube through which the towing antenna is guided.
• a plurality of inflow nozzles which pass through the tube wall and are connected to a high-pressure water pump are arranged on the extension tube. By means of the inflow nozzles, a water flow directed towards the discharge end of the extension tube is generated between the inner tube wall of the extension tube and the tubular casing of the trailing antenna.
• the section of the tubular trailing antenna currently in the cantilever tube is entrained towards the discharge end due to the surface friction generated on the tubular casing.
• a lubricating effect is achieved by the water flow, since the tubular casing of the trailing antenna is surrounded by a film of water and does not touch the inner tube wall of the extension tube, see above that there are no significant friction forces that slow down the propulsion of the trailing antenna.
• a delivery device with a propulsion unit is already known (EP 0 124 133 B1), which has two soft-coated, counter-rotating capstan heads, between which the tubular trailing antenna is passed.
• the motorized capstan heads engage with friction on both sides of the towing antenna and move the towing antenna towards the deployment end of the extension tube at the stern of the submarine. Since the tubular tow antenna is a relatively flexible structure and the antenna part located between the drive device and the deployment end of the extension tube is pushed through the capstan heads, an always trouble-free deployment process of the tow antenna cannot be reliably ensured.
• the trailing antenna is exposed to high mechanical stress due to the capstan heads, which leads to premature wear of the tubular casing of the trailing antenna and thus causes the trailing antenna to become unusable at an early stage.
• the invention has for its object to provide a deployment device of the type mentioned, which enables reliable, trouble-free and unrestricted gearing of the tow antenna with minimal mechanical stress on the tow antenna.
• the dispensing device has the advantage that the rotational angular velocities of the storage drum and guide wheel are matched to the pulling force acting behind the guide wheel on the trailing antenna in the pull-out direction during the lubrication by the control device in such a way that the pulling force is sufficient, that between the guide wheel and the storage drum and the storage drum section of the trailing antenna to be removed from the guide wheel, so that there is no sagging of the trailing antenna between the guide wheel and the storage drum and an associated risk to the lubrication process is prevented.
• At least one dynamometer is arranged on the guide wheel, which senses the tensile force acting on the trailing antenna.
• the force measured by the dynamometer is fed to the control device as a reference variable.
• the force gauge By means of the force gauge, the force acting on the towing antenna, the size of which is subject to a certain fluctuation range and can rise sharply, for example, after the end of the towing antenna has been immersed in the stern water of the watercraft, is recorded very precisely.
• a winding carriage is assigned to the storage drum, which can be moved by motor parallel to the drum axis and carries a rotatably mounted coil wheel for guiding the trailing antenna.
• the regulating device also regulates the feed speed of the winding carriage as a function of the rotational angular speed of the storage drum.
• the trailing antenna is pulled through a guide tube with an inlet and an outlet opening and the guide wheel is arranged directly at the inlet opening of the guide tube in such a way that the trailing antenna section running tangentially from the guide wheel is coaxial to the normal of the inlet opening, i.e. coaxial to the guide tube axis , is aligned so that the trailing antenna running off the guide wheel runs directly and unhindered into the guide tube.
• the propulsion unit engages at the end of the trailing antenna and has an antenna end piece which is firmly connected to the trailing antenna and which comprises a large number of spaced shaped bodies which are arranged axially essentially immovably on a rope and which are used to generate a flow resistance in the Stern water of the watercraft are formed.
• the shaped bodies are able to rotate on the rope, so that they do not apply any rotational moment to the tow antenna when towing in the stern water via the rope.
• each shaped body has a funnel with a funnel opening pointing in the towing direction, and an end plate arranged at the end facing away from the funnel opening and projecting beyond the funnel jacket, the outer diameter of the end plate preferably being equal to the outer diameter of the funnel at the funnel opening is.
• the funnel design of the fittings with the end plate behind them, which is open in the towing direction, ensures a sufficiently high flow resistance in the free flow at low water speed of the watercraft and thus a sufficiently high tractive force at the end of the towing antenna.
• the propulsion unit has a flushing pipe with an inlet and outlet opening for the trailing antenna, in which water pressure can be generated near the inlet opening.
• the antenna end piece lies in the flushing pipe, its shaped bodies being axially displaceably guided in the flushing pipe and subjected to the water pressure.
• a flushing pump is connected to a water inlet of the flushing pipe and the inlet opening of the flushing pipe is closed with a seal that seals against the tubular trailing antenna and is preferably designed as a labyrinth seal.
• staggered axial webs are placed, which extend from the funnel opening to the end plate and whose outer web lines running parallel to the funnel axis correspond to the outer diameter of the end plate have a radial distance from the funnel axis.
• An end cone with axial openings is placed on the funnel opening.
• the conical shape of the end cone, the axial webs and the rounded end plate on their circumference ensure that the fittings center themselves in the flushing pipe and do not get caught in the flushing pipe due to tolerances. Tilting in the flushing pipe is prevented by the selected length of the fittings.
• the end cone advantageously promotes the threading of the antenna end piece into the rinsing tube when repeating the trailing antenna.
• the shaped bodies are made of a good sliding material, for example Teflon, the friction losses are Shaped body in the flushing pipe is reduced, which increases the proportion of tractive force that can be used to pull out the trailing antenna.
• the last shaped body in the towing direction has a stop, preferably in the form of a truncated-cone-shaped closure member which is integral with the end disk and is designed to close the outlet opening of the flushing tube.
• This stop prevents the antenna end piece from being pulled through the flushing tube when the trailing antenna is being retrieved. The moment of the closure member striking the flushing pipe can be sensed and used to switch off the drive motors after the trailing antenna has been retracted.
• the flushing tube is integrated in the guide tube and axially limited displaceable therein against spring force, so that the striking of the stop or the closure member on the flushing tube is cushioned before the drive motors are switched off.
• FIG. 1 is a schematic diagram of a deployment device for a trailing antenna
• FIG. 2 is a diagram for explaining the function of a control device in the dispensing device in FIG. 1; 6 is a perspective view of the dispensing device in FIG. 1,
• FIG. 7 is an enlarged view of section VII in Fig. 6 without a guide tube
• FIG. 8 shows a longitudinal section of a propulsion unit in the application device in FIG.
• FIG. 9 is a perspective view of a funnel part of a shaped body of the propulsion unit in FIG. 8,
• FIG. 10 is a view of the funnel part in the direction X in Fig. 9,
• FIG. 11 shows a section along the line XI-XI in FIG. 10,
• FIG. 12 is a bottom view of an end cone of the shaped body of the propulsion unit in FIG. 8 which can be placed on the funnel part,
• FIG. 13 shows a section along the line XIII-XIII in FIG. 12.
• the deployment device for a hose-like underwater towing antenna shown in the basic circuit diagram in FIG. 1 and in perspective in FIG. 6 is installed on a watercraft, not shown here, in particular a submarine.
• the installation takes place on a submarine between the flooded outer ship and the pressure hull.
• the tow antenna 10 is made in a known manner from a tow line and a pull cable connecting the tow line to the watercraft.
• the drag line comprises a liquid or gel-filled tubular casing in which a plurality of spaced apart electroacoustic transducers are lined up.
• a damping module, a so-called VIM is arranged between the tow line and the pull cable.
• the trailing antenna 10 When not in use, the trailing antenna 10 is wound in several layers on a storage drum 11 which can be driven by a drive motor 11, the storage drum 11 having a substantial axial length for accommodating the rather long trailing antenna 10.
• the storage drum 11 is assigned a winding carriage 12 which can be moved in a motorized manner parallel to the drum axis and has a winding wheel 13 mounted thereon.
• the winding wheel 13 guides the towing antenna 11 when winding onto or during unwinding from the storage drum 11, the winding carriage 12 executing a controlled reciprocating movement along the storage drum 11.
• a guide wheel 14 is arranged in the direction of the stern of the watercraft, which is rotatably mounted in a frame 15, which in turn is fixed in a frame or platform 16 schematically indicated in FIG. 1.
• force meter 17 is arranged between the frame 15 and the platform 16 and measures or measures a change in the contact force applied by the frame 15 to the platform 16.
• the guide wheel 14 can be driven by a motor, for which purpose at least one electric motor 141 is provided.
• the towing antenna 10 runs from the storage drum 11 via the winding wheel 13 and the guide wheel 14 and is passed through a guide tube 18 with an inlet opening 181 and an outlet opening 182 lying in the open water behind the stern of the watercraft.
• the Guide wheel 14 is arranged directly on the inlet opening 181 of the guide tube 18 such that the antenna section running tangentially from the guide wheel 14 is aligned coaxially to the normal of the inlet opening 181, so that the trailing antenna 10 runs coaxially into the guide tube 18.
• a tensile force F A acts at the end of the tow antenna 10, more precisely at the end of a damping module (VIM) which is also arranged here and is connected to the tow line and pulls the tow antenna 10 through the guide tube 18.
• the tensile force F A is generated by means of a propulsion unit 19, which will be described later.
• a control device 20 is provided which synchronizes the drive motors 111 and 141 of the storage drum 11 and guide wheel 14 in adaptation to the tensile force F A sensed by the dynamometer 17 so that the between Storage drum 11 and guide wheel 14 are each located
• Tow antenna section substantially stretched, i.e. without sag, runs.
• Rotational angular velocities v ⁇ and v F of the storage drum 11 and guide wheel 14 are adapted to the tensile force F A so that the latter is able to pull the length of the trailing antenna 10, which is unwound from the storage drum 11 by its motor 111, through the guide tube 18 and the trailing antenna 10 does not protrude can "build up" the guide wheel 14 or on the guide tube 18.
• the pull-out force F A sensed on the dynamometer 17 is used in the control device 20 as a reference variable for setting the
• the command variable F A is one first controller 21 supplied to the control device 20.
• This controller 21 is also supplied with the actual rotational angular velocities F i St and T i St of the guide wheel 14 and storage drum 11, which are sensed by rotary encoders 22 and 23 respectively arranged on the guide wheel 14 and on the storage drum 11.
• the setpoint angular velocity v Fsol ⁇ of the guide wheel 14 and the setpoint angular speed v Tso ⁇ of the storage drum 11 are determined by means of the reference variable F A and adjusted via the setpoint outputs of the control device 20 in the drive motors 111 and 141 of the storage drum 11 and the guide wheel 14.
• the characteristic curves for the control process are shown in FIGS. 2 and 3. If the tensile force F A increases , both the setpoint for the angular velocity v ⁇ of the storage drum 11 and the setpoint for the angular velocity V F of the guide wheel 14 are raised linearly. At the same time - as the characteristic curve in FIG. 4 shows - a positive slip s is superimposed on the guide wheel 14, which is reduced as the command variable increases and ensures that the section of the trailing antenna 10 located between the guide wheel 14 and the storage drum 11 is free of slack ,
• the feed speed v s of the winding carriage 12 is regulated as a function of the angular velocity v ⁇ of the storage drum 11.
• the second controller 24 is the target rotational angular velocity v Tso n of the storage drum
• a rotary encoder 25 which senses the rotational angular velocity of a transmission output shaft or the output shaft of the motor 121. Via the corresponding setpoint output Target feed speed v Ss oi ⁇ regulated in the drive motor 121.
• 5 shows the characteristic curves of the second controller 24, the characteristic curve a being valid as long as the trailing antenna 10 is subtracted from the upper of a total of three winding layers, while the characteristic curve b is valid for the two underlying layers, that is to say the second and first winding layers. The latter only includes the traction cable of the trailing antenna.
• the propulsion unit 19 for generating the tensile force F A at the deployment end of the trailing antenna 10 is shown in sections in FIGS. 6 and 7 and in FIG. 8 in longitudinal section. It comprises an antenna end piece 26 which is fixedly connected to the trailing antenna end, and an irrigation pipe 40 which is integrated in the guide tube 18 and in which the antenna end piece 26 lies when the trailing antenna 10 is caught and wound on the storage drum 11.
• the antenna end piece 26 has a multiplicity of shaped bodies 27 which are spaced apart from one another on a cable 28 which is fixedly connected to the trailing antenna 10 and is essentially axially immovable. The arrangement is such that the shaped bodies 27 can rotate about the rope 28.
• the end piece 26 is shown in FIG.
• the cable 28 is fastened to a hose member belonging to the end piece 26, which in turn is connected to the VIM of the towing antenna.
• the hose member comprises a liquid or gel-filled, elastic hose sleeve which is stiffened by means of a fitting. A loosely drawn rope prevents an inadmissibly large expansion of the hose cover.
• the molded bodies 27 made of a material which is easy to slide, for example Teflon, are of identical design. Each molded body 27 is in two parts and is composed of an elongated funnel part 29, which is shown in detail in FIGS.
• a funnel 31 is formed with a funnel opening 32 pointing in the towing direction, as well as an end disk 33 which is arranged on the end of the funnel part facing away from the funnel opening 32 and which projects radially beyond the funnel jacket 311.
• the outline edges of the end plate 33 are rounded toward both disc surfaces.
• the curves are marked with 331 in FIG. 11.
• the funnel opening 32 is preceded by a cylindrical ring edge 34, the clear diameter of which is equal to the diameter of the funnel opening 32 and whose outer diameter is equal to the outer diameter of the end plate 33, which in the exemplary embodiment is approximately half the axial length of the funnel part 13.
• the funnel sleeve 311 there are four axial webs 35 which are arranged offset in the circumferential direction by 90 ° relative to one another and each extend from the ring edge 34 to the end disk 33.
• the outer web line 351 of the axial webs 35 which runs parallel to the funnel axis, has a radial distance from the funnel axis which is equal to the outer radius of the end plate 33 and the outer radius of the ring edge 34.
• a central through hole 36 is made, which opens into the funnel base.
• the closing cone 30 attached to the funnel part 29 has three axial through openings 37 offset by 120 ° relative to one another and a central through bore 38.
• the passage openings 37 are made so large that practically only webs remain between them, which are arranged in a star shape.
• the through hole 38 runs in the star point.
• an annular web 39 projects axially, the outer diameter of which is dimensioned slightly smaller than the inner diameter of the annular edge 34 on the funnel part 29, so that the end cone 30 with its annular web 29 is form-fitting can be inserted into the ring edge 34 of the funnel part 29.
• the funnel part 29 and the end cone 30 are firmly connected to one another, for example by a plurality of radially offset screw connections between the ring edge 34 and the ring web 39.
• the axial immovability of the shaped bodies 27 on the cable 28 is achieved, for example, by knots realized in the rope 28, wherein the funnel base and the base of the end cone 30 are each supported on a rope knot.
• the flushing pipe 40 of the propulsion unit 19 with an inlet opening 401 and an outlet opening 402 for the trailing antenna 10 (FIGS. 7 and 8) is drawn into the guide tube 18 and can be displaced axially to a limited extent in the guide tube 18 against the force of a compression spring 41.
• the outlet opening 402 of the flushing pipe 40 lies at or near the outlet opening 182 of the guide tube 18.
• a Y-pipe branch 42 is placed on the inlet opening 401 of the flushing pipe 40 and is fixedly connected to the flushing pipe 40 and the guide tube 18 by means of a screw sleeve 43.
• the trailing antenna 10 is inserted into the pipe socket 421 of the Y-pipe branch 42, which is coaxial with the flushing pipe 40, a labyrinth seal 44 sealing the inner tube wall from the hose casing of the trailing antenna 10 largely in a pressure-tight manner.
• the one at an acute angle to the Pipe socket 421 running other pipe socket 422 of the Y-pipe branch 42 forms a water inlet 45 and is connected to a purge pump 47, only schematically indicated here, which is able to build up a water pressure in the purge pipe 40.
• the antenna end piece 26 fastened at the end of the trailing antenna 10 by means of the cable 28 with its shaped bodies 27 is completely drawn into the flushing pipe 40.
• the end of the tow antenna 10, or the hose member of the antenna end piece 26 connected to the tow antenna 10 projects into the inlet opening 401 of the flushing pipe 40.
• a labyrinth seal 44 seals the inner tube wall against the tubular trailing antenna 10 or the hose member.
• the molded bodies 27 After reaching the outlet opening 402 of the flushing pipe 40, the molded bodies 27 successively emerge from the flushing pipe 40 and are immersed in the stern water of the watercraft.
• the antenna end piece 26 fully extended from the flushing pipe 40 furthermore produces now due to its flow resistance opposite the water, the tensile force F A , which is determined by its flow resistance and the towing speed of the watercraft.
• This tensile force also ensures that the trailing antenna 10 is pulled out without interference through the flushing pipe 40 until it lies in its full length in the water and remains connected at its front end to the storage drum 11 fixed on the watercraft via the pull-out cable, which is also pulled out.
• the shaped bodies 27 of the antenna end piece 26 can be easily inserted into the flushing pipe 40 due to the closing cone 30 placed in front of the funnel part 29.
• a truncated cone-shaped closure member 46 Arranged on the last shaped body 27 of the antenna end piece 26 is a truncated cone-shaped closure member 46, which is designed to close the outlet opening 402 of the flushing pipe 40 and forms a stop to limit the retraction movement of the trailing antenna 10.
• the closure member 46 is attached to the end plate 33. Alternatively, it can be attached to the cable 28 or be formed in one piece with the end plate 33.
• the closure member 46 strikes the flushing pipe 40, and the flushing pipe 40 is displaced in the guide tube 18 against the force of the compression spring 41.
• the axial displacement of the flushing pipe 40 or the increase in the spring force of the compression spring 41 is sensed and a shutdown signal for the motors 111, 121 and 141 of the storage drum 11, the winding carriage 12 and the guide wheel 14 is generated therefrom.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Radar, Positioning & Navigation (AREA)
• Aviation & Aerospace Engineering (AREA)
• Ocean & Marine Engineering (AREA)
• Combustion & Propulsion (AREA)
• Chemical & Material Sciences (AREA)
• Details Of Aerials (AREA)
• Geophysics And Detection Of Objects (AREA)
• Underground Or Underwater Handling Of Building Materials (AREA)
• Catching Or Destruction (AREA)
• Earth Drilling (AREA)
• Variable-Direction Aerials And Aerial Arrays (AREA)

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• 2002
  • 2002-10-30 DE DE10262054A patent/DE10262054B4/de not_active Expired - Fee Related
• 2003
  • 2003-10-24 AU AU2003279316A patent/AU2003279316B2/en not_active Ceased
  • 2003-10-24 CA CA002493415A patent/CA2493415C/fr not_active Expired - Lifetime
  • 2003-10-24 WO PCT/EP2003/011775 patent/WO2004039666A1/fr active IP Right Grant
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  • 2003-10-24 ES ES03772255T patent/ES2297232T3/es not_active Expired - Lifetime
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  • 2003-10-24 EP EP03772255A patent/EP1558491B1/fr not_active Expired - Lifetime
• 2005
  • 2005-03-30 NO NO20051587A patent/NO335240B1/no not_active IP Right Cessation

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