EP0877703B1 - Dispositif et procede pour la mise a l'eau ou la recuperation d'un canot de bord - Google Patents

Dispositif et procede pour la mise a l'eau ou la recuperation d'un canot de bord Download PDF

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Publication number
EP0877703B1
EP0877703B1 EP97904372A EP97904372A EP0877703B1 EP 0877703 B1 EP0877703 B1 EP 0877703B1 EP 97904372 A EP97904372 A EP 97904372A EP 97904372 A EP97904372 A EP 97904372A EP 0877703 B1 EP0877703 B1 EP 0877703B1
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EP
European Patent Office
Prior art keywords
dinghy
ship
lifting
cable
cantilever
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP97904372A
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German (de)
English (en)
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EP0877703A1 (fr
Inventor
Horst Fritz August Bredemeier
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Hmb Hydraulik & Maschinenbau Buxtehude GmbH
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Hmb Hydraulik & Maschinenbau Buxtehude GmbH
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Publication of EP0877703A1 publication Critical patent/EP0877703A1/fr
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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 
    • B63B23/00—Equipment for handling lifeboats or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/52—Floating cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/66—Outer or upper end constructions

Definitions

  • the invention relates to a device and to a Procedure for launching and picking up a dinghy.
  • the invention is also concerned with the formation of a Deck crane.
  • Deck cranes are cranes that are attached to ships for loading and unloading ships or for moving loads serve on the ships.
  • the ship can be with or instead Provided so-called boat launching devices, which as a rotating or swiveling boom with constant cantilever are.
  • boat launching devices which as a rotating or swiveling boom with constant cantilever are.
  • the cantilevers should be as short as possible his. These are used to launch or pick up dinghies cantilever arms designated as davits pivoted so that you Cantilever protrudes outwards over the hull. The dinghies are then on ropes from the deck directly on the hull released into the sea or resumed from there and brought on deck.
  • the tenders can only do this with the help a davit and a rope are exposed or caught, that attacks in the center of gravity of the dinghy. It can but also two davits can be used for a dinghy the dinghy on two spaced ropes to be able to hang up.
  • the tenders directly on the hull in the sea is suspended or taken up from there The possibility of the dinghy hitting the hull cannot be ruled out. But there is still a greater danger, especially when the ship is moving, due to the wave formation on the hull given the uncontrollable movements of the dinghy lead and thus the safety of the people in the dinghy can endanger.
  • GB-A-2 092 101 shows a method of suspending and picking up from dinghies from the deck of a ship, the Dinghy on two hoists of a lifting device during the Launch from an orientation parallel to the ship in an orientation perpendicular to the ship is transferred. On It is therefore necessary to suspend or pick up the tender when driving not possible. Furthermore, the occupants of the dinghy are through uncontrolled movements of the dinghy, for example as a result Wind, endangered.
  • the dinghy turns off while lowering or lifting a guide device guided horizontally on hoisting ropes the lifting device is attached and on the side of one the longitudinal edges of the dinghy abuts, the dinghy in is held in the vertical direction by a pull rope which is also attached to the guide device.
  • a pull rope which is also attached to the guide device.
  • the present invention is intended to remedy and a Launching and picking up dinghies with low security risk for the occupants with the least possible effort enable.
  • this object is achieved by a device on a ship for launching and picking up dinghies, with a deck crane that can be swiveled on the ship deck attached articulated boom, along which one on a Lifting winch on and off this unwindable lifting rope for lifting and lowering the dinghy and the at least one first boom part and a pivotally attached to this elongated boom tip part, the one stabilization device that can be pressed onto or off the dinghy for the dinghy, being at the free end the boom tip part a guide device for the Lifting rope is arranged, through which the lifting rope the boom tip part emerges.
  • a device according to the invention loads can be carried on board moved as well as under sea conditions, i.e. in waves, Dinghies are suspended or picked up, taking off close to the hull or from the movement of the ship resulting dangers to the dinghy occupants considerable are reduced.
  • the fact that a device according to the invention has a deck crane with a jib can the distance of the dinghy to the hull compared to the conventional davits are adapted to the requirements and in particular be enlarged so that the risk of striking of the dinghy on the hull almost impossible can be.
  • the space requirement is in the non-operating state the articulated boom, however, is low. Because beyond that Deck crane also like the conventional deck cranes for moving can be used by loads on board the ship, the overall design effort is reduced.
  • the boom tip part carries a stabilizing device, which in turn is a forked device and a Has support and guide means by means of which the fork-shaped Device relating to the boom tip part is pivotable and displaceable.
  • a stabilizing device which in turn is a forked device and a Has support and guide means by means of which the fork-shaped Device relating to the boom tip part is pivotable and displaceable.
  • Two ropes can also be provided, a lifting rope for Lifting and lowering the dinghy and a stabilizing rope, with which the position of the dinghy, especially when the Ship can be stabilized.
  • the invention is therefore one on a second, one Stabilizing winch on and off this stabilizing rope provided that led over an auxiliary boom and can be attached in the dinghy. For one, it serves Measure of stabilization of the dinghy in the vertical direction.
  • the hoist rope can be seen in the longitudinal direction of the dinghy attack behind its center of gravity so that it Lifting and lowering the dinghy carries the brunt, and that additional stabilizing rope can be provided by a guide device so that it is in the bow area of the dinghy is attachable. This can cause moments of eccentricity be included.
  • the stabilization rope is primarily used for safety, if the dinghy to launch or pick up next to the Ship goes. When deployed, the stabilizing rope is used as last rope loosened so that in the event of a boat engine failure the dinghy is towed self-stabilizing. Out same reason is first when picking up the dinghy the stabilizing rope latched onto the dinghy.
  • auxiliary boom can be extended telescopically Has components. With such training of the jib can meet these different operating requirements be adjusted as easily as possible. In addition, its Length at rest is limited to the minimum necessary are so that its space requirements are kept as low as possible becomes.
  • the Auxiliary boom is a side boom that is on the boom tip part is attached. This enables space-saving training the device according to the invention.
  • the advantage of using two ropes is therefore with the advantage of use only one lifting device, namely only one deck crane connected. It is advantageous if the hoist winch and the Stabilizing winch to a double winch with the same effective diameter and common drive are summarized. This not only saves one drive, but also a desired vertical distance of the free end of the stabilizing rope to the free end of the hoist rope without any problems adhered to.
  • auxiliary boom is attached separately to the ship deck, whereby the auxiliary boom is particularly preferably at a distance is arranged by the deck crane.
  • the stabilizing rope is over led a separate boom and not on a Deck crane self-arranged guide device.
  • a separate stabilizing boom Through the Training of a separate stabilizing boom is it is possible to use the stabilizing rope to carry higher loads to bring up or take up and so a dinghy when moving To carry water better or larger dinghies. From Forces resulting from the stabilization rope do not have to more derived from the deck crane, but are derived from that separate auxiliary boom included, which is optimally designed for this can be.
  • the stabilizing rope can be relatively under small angle to the horizontal from the auxiliary boom to the Dinghy run so that the stabilization rope into the Dinghy initiated horizontal traction component relative is large and a much better stabilization of the dinghy at sea.
  • the hoist winch and the stabilizing winch are advantageous Can be operated synchronously and coordinated. With this measure is an optimal interaction of hoisting rope and stabilizing rope and thus an even higher level of safety guaranteed when launching and picking up the dinghy.
  • the Hoist winch and / or the stabilizing winch following the swell switchable are only activated if the dinghy touches down in the water or when Hold both the stabilizing rope and the hoisting rope are latched. The winch pull is then reduced and that Dinghy can follow the wave movements with tight ropes.
  • the auxiliary boom instructs at its free end a guide device with which the Stabilizing rope at an angle to the horizontal or Vertical to the dinghy is feasible.
  • a guide device With such a guide device is the load on the rope due to this Deflection at the free end of the jib towards the dinghy significantly reduced. The lifespan and operational reliability of the stabilizing rope are increased considerably.
  • Boom tip part made of one attached to the first boom part Basic section and one on this one for Longitudinal axis of the boom tip part rotatable parallel axis Section formed, using to rotate this section Drive provided and the stabilization device at this section is attached.
  • the desired orientation the dinghy to the ship can thus be turned accordingly of the turning section can be reached.
  • the turning section of the boom tip is preferred opposite its base section by means of a pivot bearing with hydraulic drive automatically pivoted so that the central longitudinal surface of a to be suspended or to be taken up Dinghies parallel to that of the launching or receiving Ship is aligned.
  • This will, on the one hand achieved that the dinghy over its entire length gets the greatest possible distance to the ship, because of any inclination is avoided.
  • the dinghy is also due to the parallel guidance when exposed to the water in its direction of travel put on, so that no sudden Boat movement from an oblique position to the self-stabilizing one Position, just parallel to the ship, occurs. Because the hydraulic Drive of the swivel bearing this parallel guidance automatically maintained, operating errors are excluded here and ensures a suitable swiveling as quickly as possible.
  • the guide device for the hoisting rope has at least three roles, the axes of rotation of each other cut and between their circumferential or running surfaces the hoist rope runs through. In this way the hoist rope with simple means in all directions perpendicular to it Longitudinal extension led.
  • the dinghy can be provided with two forked devices be perpendicular to the longitudinal axis of the boom tip part are spaced apart.
  • a simple and convenient moving and swiveling the fork-shaped device is possible if its support and Guide device telescopic components having.
  • a further simplification can be achieved in that the supporting and guiding device is a scissor construction having.
  • the free end of the stabilizing rope via a roller chock, the on a folding arm attached to the rotary section is arranged at its free end, by pivoting of the folding arm in crane operation the free end of the stabilizing rope to the free end of the hoisting rope in a horizontal and / or vertical distance can be brought.
  • Training of the folding arm allows the free end of the stabilizing rope in non-boat operation, i.e. when moving loads on board the ship to bring it to the jib tip part, which creates security risks for the personnel and also the Space requirements can be reduced.
  • the guide device very particularly preferably points for the hoist rope also two rollers, the longitudinal axis of which is transverse to the axes of rotation of the rollers.
  • the guide device for the hoist rope on the base section of the boom tip part appropriate. But it can also be beneficial be the guide device for the hoisting rope on the rotating section of the boom tip part.
  • a sensing ring arranged, touching it raises the guide device for the lifting rope can be released.
  • This will ensure the security of the People in the dinghy increased significantly.
  • waves could be the distance between the deck area in the dinghy and the tip of the articulated boom, i.e. the management facility for the hoisting rope, to be so low that a toast is possible from people to the articulated boom.
  • a particularly preferred combination of features is in the claim 11 specified.
  • the stabilizing winch up and down of this unwindable stabilizing rope along the Articulated boom, the guide device for the auxiliary boom forming the stabilizing rope on the boom tip part is attached.
  • the dinghy is preferably at a predetermined distance lowered or raised from the outer wall of the ship and guided. This measure eliminates the danger that occupants of the dinghy between the ship wall and the Dinghy get caught.
  • the dinghy If the dinghy is in the water, it can be effectively tensile force acting in front of the center of gravity of its lateral surface be performed. Stabilized due to its ride in the water then the dinghy itself
  • a dinghy with the specified in claim 18 can be particularly safe Measures suspended and with those in claim 19 specified measures are included. Because the stabilizing rope when launching last released from the dinghy and when recording, the first thing to strike is in the dinghy, whereby the stabilizing rope in front of the center of gravity of the lateral surface of the dinghy and the hoisting rope in or behind the The dinghy attacks the center of gravity of its lateral surface during the exposure until it is certain that the Dinghy is controllable by its engine, and when shooting is performed as early as possible, so that in the event of a failure of the Boat engine or heavy seas the dinghy not without a guide is.
  • the deck crane shown in Figures 1 and 2 has one Articulated boom 1, along which a lifting rope 2 and a stabilizing rope 3 are performed.
  • the articulated boom 1 is open a ship deck 4 by means of a fastening device 5 attached with which the articulated boom 1 by one to the ship deck 4 vertical axis 6 is pivotable.
  • the articulated boom 1 is made of a first elongated boom part 7 and an oblong attached to this pivotable Boom tip part 8 is formed.
  • the first boom part 7 is at one end about an axis 9 parallel to the ship deck 4 pivotally connected to the fastening device 5.
  • Hydraulic cylinder 10 is provided, the pistons on the first boom part 7 and its cylinder on the fastening device 5 are attached.
  • the boom tip part 8 is pivotally connected, the pivot axes 9, 11 between the first Boom part 7 and boom tip part 8 and between the first Boom part 7 and fastening device 5 to each other run parallel so that the first boom part 7 and Cantilever tip part 8 are pivotable in the same plane.
  • the pivoting movement of the boom tip part 8 is again controlled by hydraulic cylinder 12, the piston rod in the example shown with the boom tip part 8 and whose cylinders are connected to the first boom part 7.
  • the boom tip part 8 is made of two in the longitudinal direction successive sections 13, 14 are formed, the first of which is referred to as the base section 13 and the articulated connection trained with the first boom part 7.
  • the second section 14 is on the first 13 via a pivot bearing 15 connected with which the second section 14 opposite the base section 13 about the longitudinal axis 16 of the boom tip part 8 is rotatable.
  • the second section is in hereinafter referred to as rotary section 14.
  • the Support and guide device 17 has a telescopic tube 19 on whose outer, non-displaceable tubular element 20 with its closed end at the pivot section 14 near the Pivot bearing 15 is articulated and at its innermost, extendable tubular element 21 the fork-shaped device 18 is rigidly attached. By extending or retracting of the telescopic tube 19 can the fork-shaped device 18 opposite the rotating section 14 are moved.
  • the lifting cylinder 23 and the two form it V-shaped connecting rods 22, 24 a scissors construction, by means of extending or retracting the piston of the lifting cylinder 23 the spread, i.e. the between the two joint rods 22, 24 included angles, changeable is.
  • This allows the telescopic tube 19 to be articulated Connection point on the pivot section 14 are pivoted, what a pivoting of the fork-shaped device 18 on Rotating section 14 causes.
  • suitable actuation of the telescopic tube 19 and the lifting cylinder 23 can thus be the desired one Position of the fork-shaped device 18 set and placed them on the longitudinal edge of a dinghy 25 as well as pressed.
  • the fork-shaped device 18 has two perpendicular to Longitudinal axis of the boom tip part 8 at a distance from one another arranged forks 26, 27 on a T-shaped fastener 28 rigid with the movable tubular element 21 of the telescopic tube 19 is connected.
  • the rotary section 14 has a recess 29 into which the Support and guide device 17 of the fork-shaped device 18 is movable in order to operate in non-boat mode, i.e. if no tenders suspended or picked up, just loads are moved on board the ship, on the one hand no safety risk to create and secondly the space requirement to minimize the boom tip part 8.
  • non-boat operation are the two forks 26, 27 of the fork-shaped Device 18 on one side of the rotary section 14 arranged.
  • a roller head 30 is arranged, which consists of two rollers 31, 32 is formed, which with their treads 16 lie transversely to the longitudinal axis of the boom tip part 8.
  • the lifting cable 2 runs between these rollers 31, 32, around there with its free end from the boom tip part 8 exit.
  • the boom tip part also attached to the by an attached Dinghy support tightly tensioned hoisting rope to pass through the Operation of the support and guide device for the fork-shaped Device or the auxiliary boom described below, here designed as a side arm or folding arm is to derive resulting horizontal forces.
  • the leadership facility 30 for the hoisting rope can also roll have, with their longitudinal axes transverse to the axes of rotation the rollers 31, 32 are arranged.
  • a feeler ring 33 is attached, through the Touching a boom tip boom 8 and thus lifting the guide device 30 for the hoisting rope 2 is triggered by the distance between one on the hoist rope 2 hanging dinghy 25 and the end of the articulated boom 1 enlarge.
  • this increase in distance too extending the telescopic tube 19 to ensure that to the extent that the distance from the guide device 30 for hoist rope 2 to dinghy 25 enlarged is also enlarged to the fork-shaped device 18 to secure the fork-shaped device 18 secure on the longitudinal edge 34 of the dinghy 25.
  • a is also on the rotary section 14
  • Side arm or folding arm 35 articulated the order a transverse to the longitudinal axis 16 of the boom tip part 8 Axis 36 is pivotable.
  • the pivoting movement is carried out by means of a hydraulic cylinder 37, the Piston on the folding arm 35 and its hydraulic cylinder on the rotary section 14 are articulated.
  • the folding arm 35 can of a first position in which it is almost parallel to the rotating section 14 runs and lies closely against this, in a second Position swiveled in which he is at an angle extends from about 90 ° to the rotary section 14. In this position
  • the folding arm 35 also runs perpendicular to the pivoting plane the support and guide device 17 for the fork-shaped Device 18, i.e. it extends towards the Distance between the two forks 26, 27 of this device 18.
  • a roller clamp 38 At the free end of the folding arm 35 is a roller clamp 38 arranged over which the stabilizing rope 3 runs.
  • Lifting rope 2 and stabilizing rope 3 lie on a double winch 39 with the same effective diameter and the same drive on, with the double winch 39 with a swell function is provided.
  • the double winch 39 is near the End of the first boom part 7 attached to the fastening device 5 is connected.
  • the ropes 2, 3 are via two rollers 40, 41 attached to the first boom part 7 guided along the first boom part 7 and run from the second 41 of these roles in the boom tip part 8 in the Longitudinal axis 16 a.
  • the lifting cable 2 passes through the boom tip part 8 and emerges from this through the guide device 30 for the lifting rope 2 at the free end again while the stabilizing rope 3 by a, slightly above in Figure 1 of the articulation point of the folding arm 35 attached roller 42 is deflected and from there to the roller chute 38 at the free End of the folding arm 35 runs and from there vertically extends downward.
  • the dinghy is thus guided.
  • the articulated boom is lowered so far that the dinghy about the waterline.
  • the Double winch celebrated and switched to swell as soon as the dinghy touches down in the water.
  • the winch tension is then reduced.
  • the dinghy can now do the wave movements with tight ropes follow, the distance between dinghy deck and feeler ring can be enlarged by the articulated boom is driven up a certain distance. The possibility a distance reduction by a subsequent one Wave and the resulting risk of injury prevented.
  • slack rope must be driven while the dinghy is driving at its own speed of the ship.
  • the stabilizing rope that over the folding arm with roller clamp to the dinghy in front of it Center of gravity is the last thing to be solved when you put it down. Because the stabilization rope attacks in the bow area of the dinghy and until the end is kept tight, one can still undissolved, behind the center of gravity of the lateral surface on Lifting rope attacking the dinghy does not pull the dinghy across Pull the direction of travel of the ship or at an angle.
  • the dinghy When picking up the dinghy from the sea, the dinghy becomes first run under the ropes with lots of loose parts, to be able to reach them. After latching in first Stabilizing rope and then the hoisting rope and subsequent Switching of the double winch to sea state operation the ropes are automatically pulled taut.
  • the Folding arm raised slightly beforehand, which causes the stabilizing rope becomes relatively shorter than the hoisting rope, i.e. the free end of the stabilizing rope is slightly higher than the free end of the hoist rope. In this way, a possibly driveless Dinghy over the taut - because shorter - stabilizing rope towed self-stabilizing.
  • the stabilizing rope is first tightened, so that the adjusted length to achieve the hoisting rope a horizontal position for the dinghy is created. This happens by automatically lowering the folding arm. If the dinghy is in an upward movement by a wave, the Swell function of the double winch switched off and that Dinghy raised by winding the ropes onto the double winch.
  • the dinghy is lifted by a wave that Distance between dinghy deck and feeler ring below a predetermined Reduced in size, can be under the feeler ring from the dinghy be hit or this will be by the body touches a person, and the articulated boom picks up above, so that the crane head or the free end of the jib tip part gets a safe distance from the dinghy.
  • the dinghy can also operate without following the swell be raised.
  • the dinghy is then pulled up to a specified height.
  • the fork-shaped device by means of its Support and guide device against the body of the dinghy controlled.
  • the parallel position to the ship takes place automatically, as soon as the articulated boom is raised to get the boat on to be able to put his camp down on deck.
  • For pure crane operation becomes the support and guide device of the fork-shaped Device folded onto the boom tip part.
  • Deck crane has the deck crane that shown in Figures 3 and 4 Device no running along the articulated boom 1 Stabilizing rope on. Rather, the stabilizing rope 3 along a separate, in a horizontal Distance from the deck crane arranged auxiliary boom 50 out.
  • the auxiliary boom 50 is designed as a telescopic tube, wherein in the example shown, a fixed tube 51 and a movable one Tube 52 are provided.
  • the fixed tube 51 is articulated with its closed end on the ship deck 4.
  • the winch 39b for the stabilizing rope 3 and winch 39a attached to the deck crane for the hoisting rope 2 can be operated synchronously and coordinated to the Lifting or lowering process and the simultaneous guidance of the boat 25 to adapt to the existing conditions.
  • the in the fixed tube 51 displaceable tube 52 instructs a guide or deflection device 53 at its free end for the stabilizing rope 3 to bring it to the dinghy 25 to redirect.
  • the distance is between the deck crane and the jib 50 approx. 20 m.
  • the auxiliary boom 50 projects approximately horizontally perpendicular to the longitudinal median surface of the ship over the water.
  • the rest position which is shown at the top right in FIG. 4, is the slidable tube 52 into the fixed tube 51st retracted and the auxiliary boom 50 around the joint upwards pivoted and locked in an approximately vertical position.
  • the support and guide device 17 of the fork-shaped device 18 is arranged next to the rotary section 14 and attached to this via tabs 54. It will go straight through actuated a lifting cylinder 23, in the example shown the piston on the non-displaceable tubular element 20 and the cylinder 23 is attached to the rotary section 14.
  • the non-displaceable tubular element 20 forms with the tabs 54, attached to the rotating section 14 above the lifting cylinder 23 is, a hinge 55 around which the support and guide means 17 by extending or retracting the piston of the Lift cylinder 23 is pivotable.
  • the fork-shaped device 18 is formed by a correspondingly bent tube, that on two horizontally spaced apart Points on the longitudinal edge of the dinghy 25 abuts, the most Section 18a of the tube adjacent to the boat edge in a view transverse to the longitudinal direction of the dinghy 25 (Fig. 4) in the Longitudinal axis 17a of the support and guide device 17 lie.
  • FIG. 3 and 4 is also a man-sized mounting frame 56 indicated, by means of which the hoist rope 2 with the dinghy 25 is connected to the security against Tilt and against uncontrolled movements of the rope end increase.
  • the method according to the invention is described below with reference to an example of exposing and picking up one Dinghies exemplified.
  • the dinghy In its rest position, the dinghy is stored on the deck of one Ship, the bow of the dinghy in the direction of travel Ship shows.
  • a deck crane with articulated boom In the direction of travel in front of or behind the dinghy is a deck crane with articulated boom, along which a hoisting rope for lifting and lowering the dinghy runs.
  • a stabilizing rope can also be attached to the articulated boom become.
  • this stabilizing rope can be used can also be guided via a separate auxiliary boom, which is arranged at a horizontal distance from the deck crane is, for example, near the bow of the dinghy when the deck crane is at the stern of the dinghy, or vice versa.
  • the articulated boom of the deck crane swung over the dinghy and the hoisting rope in or behind the center of gravity of the lateral surface of the Dinghies attached.
  • the stabilization rope is - indifferent, whether it's along the articulated boom or a separate one Auxiliary boom runs - in front of the center of gravity of the lateral surface of the dinghy struck in its bow.
  • the stabilization device i.e. by means of the support and guide device the fork-shaped Device on one of the longitudinal edges of the dinghy - in the example shown facing the middle of the ship Longitudinal edge - created.
  • the dinghy is lifted raised and the forked device over her Support and guide device pressed against the longitudinal edge, see above that the dinghy hangs slightly off-center and on the fork-shaped Device with pressure applied.
  • the dinghy is now from Deck crane swung over the ship's edge and down lowered, with the dinghy always its parallel orientation maintains to the ship. Horizontal movements of the Dinghies are due to the horizontal guidance through the Stabilizing device not possible.
  • the drive Shortly before touching down on the water (W) the drive will turn on of the dinghy turned on and the forked device removed from the dinghy and in their rest position on the articulated boom hazards.
  • the lifting rope and the stabilizing rope following the swell and thus kept taut By keeping the stabilizing rope taut, the dinghy is towed from the ship and thereby stabilized.
  • the dinghy is now driven by its own speed brought to the ship, reducing towing of the ship is gradually lifted. If that Dinghy with its own drive the speed of the ship has reached, the guide of the hoisting rope following the swell and the stabilization rope switched off. Then be both ropes slack rope and first the hoist rope and finally released the stabilization rope.
  • the dinghy is no longer connected to the ship and can turn.
  • the dinghy moves at a predetermined distance to record next to the ship and accelerating or decelerating its Drive so that it reaches the speed of the ship, which it then maintains.
  • Stabilizing rope in the bow of the dinghy i.e. before the Center of gravity struck from its lateral surface. Only when the stabilizing rope is attached in the dinghy, that will Hoist rope attached in the dinghy in and behind the Center of gravity of its lateral surface.
  • the winches of the stabilizing rope and the hoisting rope are switched to sea state sequence, so that the stabilizing rope is pulled and held tight and thereby the dinghy already leads.
  • the dinghy is moving upwards by a wave the swell sequence of both winds is switched off and lifted the dinghy out of the water.
  • the forked one Device by means of its support and guide device pressed on the longitudinal edge of the dinghy facing the ship's wall, so that the dinghy to the longitudinal axis of the articulated boom is slightly off-center.
  • the dinghy drive switched off and then the dinghy while maintaining raised parallel to the ship and up set down on the ship deck.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
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  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Leg Units, Guards, And Driving Tracks Of Cranes (AREA)

Claims (18)

  1. Dispositif sur un bateau pour la mise à l'eau ou la récupération de canots de bord, comportant une grue de charge, qui comprend une flèche (1) articulée fixée à pivotement sur le pont (4) du bateau, le long de laquelle est guidé un câble (2) de levage, pouvant être enroulé sur un treuil (39a) de levage ou dévidé de ce treuil et destiné à soulever ou abaisser le canot (25) de bord, et laquelle comprend au moins une première partie (7) de flèche et une partie (8) de tête de flèche oblongue, qui est montée à pivotement sur la première partie (7) et qui porte un dispositif (17, 18) de stabilisation pour le canot (25) de bord qui peut être pressé contre le canot (25) de bord ou en être dégagé, un dispositif (30) de guidage pour le câble (2) de levage étant disposé à l'extrémité libre de la partie (8) de tête de flèche, dispositif que le câble (2) de levage traverse pour sortir de la partie (8) de tête de flèche.
  2. Dispositif suivant la revendication 1, caractérisé en ce qu'il est prévu en plus un câble (3) de stabilisation pouvant être enroulé sur un treuil (39b) de stabilisation ou dévidé de ce dernier, câble qui est guidé au moyen d'une flèche (35, 50) auxiliaire et qui peut être fixé dans le canot (25) de bord.
  3. Dispositif suivant la revendication 2, caractérisé en ce que la flèche auxiliaire est une flèche (35) latérale qui est fixée sur la partie (8) de tête de flèche.
  4. Dispositif suivant la revendication 2, caractérisé en ce que la flèche (50) auxiliaire est fixée séparément sur le pont (4) du bateau.
  5. Dispositif suivant l'une des revendications 2 à 4, caractérisé en ce que le treuil (39a) de levage et le treuil (39b) de stabilisation peuvent être actionnés de façon synchrone et coordonnée.
  6. Dispositif suivant l'une des revendications 2 à 5, caractérisé en ce que le treuil (39a) de levage et le treuil (39b) de stabilisation peuvent être manoeuvrés en suivant le mouvement des vagues.
  7. Dispositif suivant l'une des revendications 2 à 6, caractérisé en ce que la flèche (35, 50) auxiliaire comporte à son extrémité libre un dispositif (38, 53) de guidage qui permet de guider le câble (3) de stabilisation jusqu'au canot (25) de bord sous un angle par rapport à la verticale.
  8. Dispositif suivant l'une des revendications 1 à 7, caractérisé en ce que la partie (8) de tête de flèche est constituée d'un tronçon (13) de base monté sur la première partie (7) de flèche et d'un tronçon (14) rotatif sur le tronçon (13) de base autour d'un axe parallèle à l'axe (16) longitudinal de la partie (8) de tête de flèche, un entraínement étant prévu pour la rotation de ce tronçon (14) et le dispositif (17, 18) de stabilisation étant fixé sur ce tronçon (14).
  9. Dispositif suivant l'une des revendications 1 à 8, caractérisé en ce que le dispositif (30) de guidage pour le câble (2) de levage comprend au moins trois poulies dont les axes de rotation se coupent, le câble (2) de levage passant entre les faces circonférentielles de ces poulies.
  10. Dispositif suivant l'une des revendications 1 à 9, caractérisé en ce qu'une couronne (33) de détection est disposée à l'extrémité libre de la partie (8) de tête de flèche, à distance, dans la direction longitudinale de celle-ci, du dispositif (30) de guidage pour le câble (2) de levage, sur le côté qui est opposé à l'extrémité montée sur la première partie (7) de flèche, couronne dont le contact physique permet de déclencher un relevage du dispositif (30) de guidage pour le câble (2) de levage.
  11. Grue de charge, qui convient pour la mise à l'eau ou la récupération de canots (25) de bord, comportant une flèche (1) articulée fixée à pivotement sur le pont (4) du bateau, le long de laquelle est guidé un câble (2) de levage, pouvant être enroulé sur un premier treuil (39a) ou dévidé de ce treuil et destiné à soulever ou abaisser le canot (25) de bord, ainsi qu'un câble (3) de stabilisation, pouvant être enroulé sur un deuxième treuil (39b) ou dévidé de ce treuil et destiné à stabiliser le canot (25) de bord, et laquelle comprend au moins une première partie (7) de flèche et une partie (8) de tête de flèche oblongue, qui est montée à pivotement sur la première partie (7) et qui est elle-même constituée d'un tronçon (13) de base monté sur la première partie (7) de flèche et d'un tronçon (14) rotatif sur le tronçon (13) de base autour d'un axe parallèle à l'axe (16) longitudinal de la partie (8) de tête de flèche, un dispositif (18) fourchu étant relié au tronçon (14) au moyen d'un dispositif (17) de soutien et de guidage et étant mobile en pivotement et en translation par rapport au tronçon (14) rotatif, un dispositif (30) de guidage pour le câble (2) de levage étant disposé à l'extrémité libre de la partie (8) de tête de flèche, dispositif que l'extrémité libre du câble (2) de levage traverse pour sortir de la partie (8) de tête de flèche, et un dispositif (35) de guidage pour le câble (3) de stabilisation étant fixé sur le tronçon (14) rotatif, dispositif par lequel l'extrémité libre du câble (3) de stabilisation peut être amenée, lorsque la grue est en service, à une distance horizontale et/ou verticale de l'extrémité libre du câble (2) de levage.
  12. Procédé pour la mise à l'eau ou la récupération de canots de bord du pont d'un bateau, notamment en cours de marche et en présence de vagues, suivant lequel le canot de bord est guidé horizontalement tandis qu'il est abaissé ou relevé par un dispositif de levage, ainsi que lors de son déplacement à côté du bateau en vue de sa fixation au dispositif de levage ou de son détachement du dispositif de levage, le canot de bord étant, sur son trajet entre le pont du bateau et l'eau ou vice-versa, guidé par des forces de pression agissant sur un de ses bords longitudinaux,
    caractérisé en ce que les forces de réaction à ces forces de pression sont détournées sur le dispositif de levage.
  13. Procédé suivant la revendication 12, caractérisé en ce que le canot de bord est relevé ou abaissé et guidé à une distance prescrite de la paroi extérieure du bateau.
  14. Procédé suivant la revendication 12 ou 13, caractérisé en ce que le canot de bord est, pendant le relevage ou l'abaissement, guidé en position parallèle au bateau.
  15. Procédé suivant l'une des revendications 12 à 14,
    caractérisé en ce que le canot de bord est guidé dans l'eau par une force de traction agissant en avant du centre de gravité de sa face latérale.
  16. Procédé suivant l'une des revendications 12 à 15, pour la mise à l'eau de canots de bord, comprenant les étapes suivantes :
    a) un câble de levage est amarré dans le canot de bord au centre de gravité de la face latérale du canot ou en arrière de ce centre de gravité, et un câble de stabilisation est amarré dans le canot de bord en avant du centre de gravité de la face latérale du canot ;
    b) un dispositif de stabilisation est pressé en application contre un bord longitudinal du canot de bord ;
    c) le canot de bord est abaissé à distance horizontale ainsi que parallèlement à la paroi extérieure de la coque du bateau, avec la proue dans la direction de marche du bateau ;
    d) le moteur du canot de bord est mis en marche, le dispositif de stabilisation appliqué contre le bord longitudinal du canot de bord est retiré juste au-dessus de l'eau, et le canot de bord est posé sur l'eau ;
    e) les deux câbles sont guidés en suivant le mouvement des vagues (en étant tendus et maintenus tendus), de sorte que le canot de bord est lui-même guidé par le câble de stabilisation ;
    f) le canot de bord est amené par son propre moteur à la vitesse du bateau ;
    g) le guidage du câble de levage et du câble de stabilisation, qui suit le mouvement des vagues, est supprimé et on donne du mou aux deux câbles, et
    h) le câble de levage d'abord, puis en dernier le câble de stabilisation, sont largués.
  17. Procédé suivant l'une des revendications 12 à 15, pour la récupération de canots de bord, comprenant les étapes suivantes :
    a) le canot de bord est amené à une distance prescrite à côté du bateau et maintenu à la vitesse du bateau ;
    b) on amarre dans le canot de bord d'abord le câble de stabilisation, en avant du centre de gravité de sa face latérale, puis le câble de levage, au centre de gravité de la face latérale du canot de bord ou en arrière de ce centre de gravité ;
    c) les deux câbles sont guidés en suivant le mouvement des vagues (en étant tendus et maintenus tendus), de sorte que le canot de bord est guidé par le câble de stabilisation ;
    d) le guidage des deux câbles, qui suit le mouvement des vagues, est supprimé et le canot de bord est relevé hors de l'eau ;
    e) dès que le canot de bord est relevé hors de l'eau, on presse un dispositif de stabilisation en application contre un bord longitudinal du canot de bord et on arrête le moteur du canot de bord ;
    f) le canot de bord est relevé sur le pont du bateau.
  18. Procédé suivant la revendication 17, caractérisé en ce que l'étape d) est amorcée uniquement lorsque le canot de bord se trouve en mouvement ascendant sur une vague.
EP97904372A 1996-02-02 1997-02-03 Dispositif et procede pour la mise a l'eau ou la recuperation d'un canot de bord Expired - Lifetime EP0877703B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29601801U DE29601801U1 (de) 1996-02-02 1996-02-02 Deckskran
DE29601801U 1996-02-02
PCT/EP1997/000468 WO1997028042A2 (fr) 1996-02-02 1997-02-03 Dispositif et procede pour la mise a l'eau ou la recuperation d'un canot de bord

Publications (2)

Publication Number Publication Date
EP0877703A1 EP0877703A1 (fr) 1998-11-18
EP0877703B1 true EP0877703B1 (fr) 2001-06-13

Family

ID=8018906

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97904372A Expired - Lifetime EP0877703B1 (fr) 1996-02-02 1997-02-03 Dispositif et procede pour la mise a l'eau ou la recuperation d'un canot de bord

Country Status (6)

Country Link
EP (1) EP0877703B1 (fr)
AT (1) ATE202048T1 (fr)
AU (1) AU1721297A (fr)
DE (2) DE29601801U1 (fr)
ES (1) ES2159840T3 (fr)
WO (1) WO1997028042A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2502379A (en) * 2012-05-24 2013-11-27 Subsea 7 Norway As Overboarding and lowering large loads offshore using guide acting in compression
CN109334874A (zh) * 2018-10-25 2019-02-15 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） 一种船载无人潜水器布放回收门吊系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009014073B3 (de) * 2009-03-20 2010-07-15 Hmb Lintec Marine Gmbh Deckskran
CN103010407B (zh) * 2012-12-24 2015-05-20 江阴市北海救生设备有限公司 一种高速救助艇降放装置
CN115783143B (zh) * 2017-11-22 2023-09-08 自然资源部第二海洋研究所 船用机械臂止荡设备
DE102020116367A1 (de) 2020-06-22 2021-12-23 Offcon GmbH Last-Hubsystem mit Last-Halterungssystem
CN113716474B (zh) * 2021-11-01 2022-01-18 新乡学院 一种用于河道的起重设备

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2212808A5 (fr) * 1972-12-29 1974-07-26 Alsthom Cgee
US4365926A (en) * 1976-12-28 1982-12-28 Pettibone Corporation Free-hanging load carrier for boom, with brake
NO149498B (no) * 1981-01-29 1984-01-23 Ivar Kalvatn Anordning til utsetting av redningsredskap.
GB2106858B (en) * 1981-06-30 1985-02-20 Schat Davits Limited Boat launching system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2502379A (en) * 2012-05-24 2013-11-27 Subsea 7 Norway As Overboarding and lowering large loads offshore using guide acting in compression
GB2502379B (en) * 2012-05-24 2015-03-11 Subsea 7 Norway As Handling loads in offshore environments
CN109334874A (zh) * 2018-10-25 2019-02-15 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） 一种船载无人潜水器布放回收门吊系统

Also Published As

Publication number Publication date
WO1997028042A3 (fr) 2002-10-24
WO1997028042A2 (fr) 1997-08-07
DE29601801U1 (de) 1996-04-18
EP0877703A1 (fr) 1998-11-18
DE59703790D1 (de) 2001-07-19
ES2159840T3 (es) 2001-10-16
ATE202048T1 (de) 2001-06-15
AU1721297A (en) 1997-08-22

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