EP0144646A1 - Dispositif de lancement d'un canot de sauvetage à chute libre - Google Patents

Dispositif de lancement d'un canot de sauvetage à chute libre Download PDF

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Publication number
EP0144646A1
EP0144646A1 EP84112500A EP84112500A EP0144646A1 EP 0144646 A1 EP0144646 A1 EP 0144646A1 EP 84112500 A EP84112500 A EP 84112500A EP 84112500 A EP84112500 A EP 84112500A EP 0144646 A1 EP0144646 A1 EP 0144646A1
Authority
EP
European Patent Office
Prior art keywords
support
lifeboat
rollers
guide
boat
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.)
Granted
Application number
EP84112500A
Other languages
German (de)
English (en)
Other versions
EP0144646B1 (fr
Inventor
Helmut Hatecke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0144646A1 publication Critical patent/EP0144646A1/fr
Application granted granted Critical
Publication of EP0144646B1 publication Critical patent/EP0144646B1/fr
Expired legal-status Critical Current

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Classifications

    • 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
    • B63B23/28—Devices for projecting or releasing boats for free fall

Definitions

  • the innovation relates to a drain device for free-fall lifeboats with a horizontal runway at the stern of a ship.
  • Newly built seagoing vessels may only be equipped with lifeboats that are completely enclosed.
  • lifeboats of this type it is known to tie them down at the upper end of a runway inclined to the horizontal. With the help of a suitable release device, which can be operated inside the lifeboat, the lashing is released and the lifeboat rolls or glides along the runway to then dive into the water in free fall. These can be launched into the water with davits or via a runway.
  • a suitable release device which can be operated inside the lifeboat, the lashing is released and the lifeboat rolls or glides along the runway to then dive into the water in free fall.
  • These can be launched into the water with davits or via a runway.
  • the roles attached to the lifeboat project more or less to the outside, which is usually very annoying 1.
  • the sequence process is also not optimal.
  • the innovation is based on the task of creating a drainage device for free-fall lifeboats, which ensures that the lifeboat slides freely even in the case of considerable inclinations, without parts which protrude outwardly from the boat being provided.
  • this object is achieved in that the runway has two parallel rows of support and guide rollers with the axis of rotation lying in the run-off plane or arranged perpendicularly to the latter for the purpose of interacting with downward-pointing support surfaces or lateral guide surfaces on the lifeboat.
  • the idlers carry the entire weight of the lifeboat.
  • the guide rollers only serve to guide the boat. If the ship is in an inclined position, the weight of the boat and the guidance of the boat are taken over by both types of roles.
  • the support and support rollers are expediently of identical design and arranged in an alternating sequence after a further embodiment of the innovation. They can preferably consist of plastic or be coated with a plastic material, for example polyamide. Only the lower support and support rollers are made of corrosion-resistant metal according to a further embodiment of the innovation. These roles and their storage are designed for higher strength. According to a further embodiment of the innovation it is provided that parallel angled rails are arranged below a downward-pointing shoulder on both sides of the lifeboat, each forming the support and guide surface. The angle rails are arranged exactly parallel and lie above the boat's center of gravity to prevent the boat from falling out of the way when the ship is at a large incline (70 to 90 °).
  • the drainage device according to the innovation ensures unimpeded drainage after actuation of the release device even in the case of extreme inclinations of the ship.
  • the precautions applicable to the ship or lifeboat have been respected not very expensive and remain functional even after a long time under the harshest conditions.
  • FIGS. 1 and 2 It can be seen from FIGS. 1 and 2 that, outside the longitudinal center at the stern of a ship 10, a generally 11 designated drain device is arranged. A completely enclosed lifeboat 12 is normally lashed to the drain device 11. When the lock is released, the boat moves downwards in the inclined position to dive into the water in free fall. Details of the drain device can be seen in FIGS. 3 to 5.
  • the runway of the runoff device 11 has two parallel supports 13, 14 which are rigidly connected to one another by spaced-apart cross supports 15, 16.
  • the cross member 18 is U-shaped to make room for the underside of the boat 12.
  • the carriers 13, 14 are arranged in a plane which extends approximately at an angle of 30 ° to the horizontal.
  • support rollers 18 are rotatably mounted on the inside of the carrier.
  • Guide rollers 19 are arranged approximately centrally between the individual support rollers 18 with axes of rotation arranged perpendicular to the plane of the supports 13, 14.
  • the distance between the rollers 18, 19 is approximately 0.5 m.
  • the rollers 17, 18 are made of a plastic, for example polyamide. Only the last two rollers on each side of the carrier 13, 14 are made of corrosion-resistant metal, for example bronze. They are also more stable in their storage than the rest.
  • FIG. 5 shows the support or guidance of the lifeboat 12 on one side of the runway.
  • An angled rail 21 is attached to a longitudinally extending shoulder 20 below the rubbing strake of the boat 12.
  • the outer sides of the legs of the angle rail 21 form a support surface 22 or a guide surface 23. They accordingly engage the support rollers 18 or the guide rollers 19.
  • the pivots 17 and 24 of the support and guide rollers 18, 19 are attached to the outside of the carrier 14 in a suitable manner.
  • the angle rail 21 or generally the guide surfaces are therefore protected under the rubbing strake of the boat. They also form a longitudinal bond with the rubbing strake. It goes without saying that instead of the angle rail, another suitable reinforcement of the support and guide surfaces can be selected at this point.
  • the carrying rollers 18 take up the entire weight of the boat 12 during normal operation.
  • the guide rollers serve only for lateral guidance of the boat 12.
  • the weight of the boat and the guidance of the boat 12 are taken over by both rollers 18, 19.
  • Guide rollers 19 are provided as the lowest rollers, which are also arranged close to the adjacent support roller 18, as can be clearly seen from FIGS. 3 and 4. This prevents the boat from wedging in the course when the ship is at an angle and / or the boat is slowly running.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Escalators And Moving Walkways (AREA)
  • Sliding-Contact Bearings (AREA)
EP84112500A 1983-11-02 1984-10-17 Dispositif de lancement d'un canot de sauvetage à chute libre Expired EP0144646B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19838331345U DE8331345U1 (de) 1983-11-02 1983-11-02 Ablaufvorrichtung fuer frei-fall-rettungsboote
DE8331345U 1983-11-02

Publications (2)

Publication Number Publication Date
EP0144646A1 true EP0144646A1 (fr) 1985-06-19
EP0144646B1 EP0144646B1 (fr) 1987-11-19

Family

ID=6758482

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84112500A Expired EP0144646B1 (fr) 1983-11-02 1984-10-17 Dispositif de lancement d'un canot de sauvetage à chute libre

Country Status (2)

Country Link
EP (1) EP0144646B1 (fr)
DE (2) DE8331345U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4337965A1 (de) * 1993-11-06 1995-05-11 Ernst Hatecke Gmbh Freifallrettungsboot
WO2017158203A1 (fr) 2016-03-18 2017-09-21 Rolls-Royce Marine As Rampe de canot de sauvetage

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3501063C2 (de) * 1985-01-15 1994-08-04 Hans Karolczack Aus- und Einsetzvorrichtung für Freifall-Rettungsboote

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR477060A (fr) * 1914-05-14 1915-09-22 Leo Almont Sprague Dispositif pour lancer à la mer des chaloupes placées sur les ponts des navires
US1840804A (en) * 1929-11-30 1932-01-12 Barnett William Launching device
GB1200710A (en) * 1968-11-20 1970-07-29 Rosendo Chorro Oncina Improvements in or relating to installations for launching life-saving vessels

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR477060A (fr) * 1914-05-14 1915-09-22 Leo Almont Sprague Dispositif pour lancer à la mer des chaloupes placées sur les ponts des navires
US1840804A (en) * 1929-11-30 1932-01-12 Barnett William Launching device
GB1200710A (en) * 1968-11-20 1970-07-29 Rosendo Chorro Oncina Improvements in or relating to installations for launching life-saving vessels

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4337965A1 (de) * 1993-11-06 1995-05-11 Ernst Hatecke Gmbh Freifallrettungsboot
DE4337965C2 (de) * 1993-11-06 1998-01-22 Ernst Hatecke Gmbh Freifallrettungsboot
WO2017158203A1 (fr) 2016-03-18 2017-09-21 Rolls-Royce Marine As Rampe de canot de sauvetage

Also Published As

Publication number Publication date
DE3467548D1 (en) 1987-12-23
EP0144646B1 (fr) 1987-11-19
DE8331345U1 (de) 1984-03-01

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