EP0230175B1 - Dispositif de levage pour la mise à l'eau et le relevage d'objets flottants, notamment de bateaux - Google Patents

Dispositif de levage pour la mise à l'eau et le relevage d'objets flottants, notamment de bateaux Download PDF

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Publication number
EP0230175B1
EP0230175B1 EP86402662A EP86402662A EP0230175B1 EP 0230175 B1 EP0230175 B1 EP 0230175B1 EP 86402662 A EP86402662 A EP 86402662A EP 86402662 A EP86402662 A EP 86402662A EP 0230175 B1 EP0230175 B1 EP 0230175B1
Authority
EP
European Patent Office
Prior art keywords
hook
lifting device
housing
coupling element
springs
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
Application number
EP86402662A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0230175A1 (fr
Inventor
Pierre Magneville
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.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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Filing date
Publication date
Application filed by IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Publication of EP0230175A1 publication Critical patent/EP0230175A1/fr
Application granted granted Critical
Publication of EP0230175B1 publication Critical patent/EP0230175B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C7/00—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects
    • B63C7/02—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects in which the lifting is done by hauling
    • 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
    • B63B23/40—Use of lowering or hoisting gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
    • B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof

Definitions

  • the invention relates to a lifting device allowing the launching and lifting of floating objects such as marine vehicles.
  • the invention relates more precisely to a lifting device comprising a suspended hooking element, adapted to be coupled with the load during the launching or lifting operations.
  • the lifting device according to the invention is particularly well suited to the maneuvering of boats subjected, due to the swell, to relative movements relative to the lifting devices. This is particularly the case for floating objects, vehicles of low tonnage for example, which must be launched or lifted by a lifting system on a ship.
  • lifting devices comprising a hooking element which is suspended by cables from a lifting device. It is maneuvered to lower the hooking element to bring it into a position where it can be fixed one or more hooks secured to the load, either directly or via cables.
  • the operation is generally hampered by the horizontal or vertical movements of the object or of the floating vehicle, relative to the lifting device, under the effect of the swell, which often uncouple the hooks and the hooking element.
  • the hook or hook entry operation must often be repeated several times. In addition to the difficulties and dangers of maneuvering, there is the risk of collision in the event that the boat is lifted or set down from a main ship, especially when the sea is rough.
  • the lifting device according to the invention makes it possible to avoid the above-mentioned drawbacks.
  • It comprises a suspended hooking element connected by cables to operating means and comprises a single hook secured to the object, the concavity of which faces down. It is characterized in that the lower face of this hook, on the concave side thereof, is wider than its opposite face and its lateral faces are inclined relative to each other, and in that the attachment element comprises a housing for the hook associated with spring means adapted to be applied against the lateral faces of the hook, when the latter bears against the bottom of the housing.
  • the spring means are, for example, springs arranged on either side of the housing, these springs being separated by the introduction of the hook into the housing.
  • springs are, for example, springs arranged on either side of the housing, these springs being separated by the introduction of the hook into the housing.
  • leaf springs One can use for example leaf springs.
  • the hook has a finer point, the width of the point being chosen to be less than the spacing of the springs in the relaxed position, so that a displacement of the hooking element towards the point of the hook releases the latter. these springs.
  • the lifting device comprises (Figs. 1, 3) a single hook 1 fixed to a base 2, itself secured to the load to be lifted.
  • the base is positioned directly above the center of gravity. If the load is constituted by a boat, the hook is preferably placed on a platform clear of the superstructure. The concavity of the hook is directed downwards.
  • the lifting device also includes a V-shaped hooking element 3 comprising two arms 4, 5 of triangular shape integral with one another at their lower part.
  • the two arms 4, 5 define between them a housing 6 for the hook 1 (Fig. 3). They each comprise two parallel plates 7 joined to each other at their upper part by a rounded wall 8.
  • the two rounded walls 8 of the two arms are symmetrically inclined on either side of the vertical and constitute guides for center the hooking element 3 relative to the hook.
  • Inside each arm are arranged several pulleys 9 (Fig. 4) whose axes 10 are fixed to the facing plates 7.
  • a tubular guide 11 is arranged at the upper part of each arm (4, 5). It can pivot relative to the corresponding arm on an axis 12 also supported by the two opposite plates 7.
  • the attachment element 3 is supported by a cable 13 which enters one of the tubular guides 11, passes over all the pulleys 9 arranged inside the two arms and comes out through the opposite tubular guide.
  • the pulleys are arranged so that the cable passes at the base of the two arms, bypassing the central zone where the housing 6 for the hook 1 is formed.
  • the lifting device also comprises a protective apron 14 consisting of two plates 15, 16 made of a damping material, for example of elastomer, which are arranged parallel to one another, outside the two arms and fixed to plates 7 by bolts 17.
  • a protective apron 14 consisting of two plates 15, 16 made of a damping material, for example of elastomer, which are arranged parallel to one another, outside the two arms and fixed to plates 7 by bolts 17.
  • the purpose of the apron 14 is to absorb the shocks which may occur between the fastening element and the superstructures of the boat during the maneuvers.
  • the cable 13 is connected to a crane or a hoist of a known type and not shown.
  • An anti-tilting system of a type also known can be used to absorb the jolts due to particularly large vertical movements of the load relative to the hoist, under the effect of the swell for example.
  • the hook cavity is turned downward and that the section of its central part 1a, which bears against the bottom of the housing 6 of the hooking element 3, has a trapezoidal shape.
  • the hook is wider on the side of its bearing face against the bottom of the housing than on the opposite side.
  • the two side walls 18 (Fig. 4) are inclined towards one another.
  • the section of the hook decreases towards its tip 19.
  • the width of the bearing face 20 of the hook is substantially adapted to the width of the housing 6 (Fig. 4).
  • Spring means 21 are arranged on either side of the housing. These are, for example, leaf springs arranged symmetrically at the base of the inclined walls 8 of the two arms and which penetrate into the housing 6.
  • the blades 21 move apart to let the hook penetrate and, once the latter in contact with the bottom of the housing 6, they exert a retaining force on its inclined side walls 18, which prevents it from coming out again if the element hooking is lowered relative to the load under the effect of swell.
  • the uncoupling is carried out by moving the housing 6 towards the point 19 of the hook 3 until, the section of the latter having decreased, the coupling force of the leaf springs 15 ceases.
  • the engagement is carried out by moving the hooking element up to under the hook and by raising it by a traction exerted on the cable 13.
  • the particular V shape given to the facing walls 8 of the two arms 4, 5 makes it possible to bring the hook into its housing without trial and error.
  • the cable is relaxed and the hooking element is moved so as to slide the housing 6 towards the point 18.
  • the device according to the invention proves to be particularly useful in the context of the system for conducting seismic operations described in the French patent application EN 8 418 590.
  • This system in fact comprises the use of one or more headings remote-controlled which must, at will, be launched from a main ship and reassembled at the end of their evolution.
  • the safety and speed of maneuver that the lifting device makes it possible to achieve is appreciable during docking maneuvers, especially when the swell is strong.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • Clamps And Clips (AREA)
EP86402662A 1985-12-11 1986-12-02 Dispositif de levage pour la mise à l'eau et le relevage d'objets flottants, notamment de bateaux Expired EP0230175B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8518568 1985-12-11
FR8518568A FR2591209B1 (fr) 1985-12-11 1985-12-11 Dispositif de levage pour la mise a l'eau et le relevage d'objets flottants, notamment de bateaux

Publications (2)

Publication Number Publication Date
EP0230175A1 EP0230175A1 (fr) 1987-07-29
EP0230175B1 true EP0230175B1 (fr) 1989-03-15

Family

ID=9325813

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86402662A Expired EP0230175B1 (fr) 1985-12-11 1986-12-02 Dispositif de levage pour la mise à l'eau et le relevage d'objets flottants, notamment de bateaux

Country Status (8)

Country Link
US (1) US4746157A (no)
EP (1) EP0230175B1 (no)
JP (1) JPS62146894A (no)
KR (1) KR870005868A (no)
CA (1) CA1297864C (no)
DE (1) DE3662382D1 (no)
FR (1) FR2591209B1 (no)
NO (1) NO163181C (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006032299B3 (de) * 2006-07-11 2007-12-06 Bundesrepublik Deutschland, vertreten durch das Bundesministerium der Verteidigung, dieses vertreten durch den Präsidenten des Bundesamtes für Wehrtechnik und Beschaffung Koppelsystem für eine Heißvorrichtung für Boote
PL72795Y1 (pl) * 2019-04-02 2022-10-31 Zakl Produkcyjno Handlowe Stalpol Spolka Z Ograniczona Odpowiedzialnoscia Śruba hakowa

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB185785A (en) * 1921-04-14 1922-09-14 William Reid Junior Improved means associated with cranes for the operation of tip buckets
US1471094A (en) * 1922-04-10 1923-10-16 Walter R Bloss Crane hook
FR703964A (fr) * 1929-07-16 1931-05-08 Appareil pour la mise à la mer des canots de sauvetage des navires
US1808945A (en) * 1929-09-24 1931-06-09 Ola D Butler Combination automatic boat release and utility hook
US3266353A (en) * 1965-03-30 1966-08-16 Bell Telephone Labor Inc Equipment for retrieving underwater cable
DE1956743A1 (de) * 1969-11-12 1971-05-13 Krupp Gmbh Einrichtung zum Umschlagen von schwimmenden Containern
FR2405181A1 (fr) * 1977-10-06 1979-05-04 Havre Chantiers Dispositif de manoeuvre pour corps immerge
DE3342476C1 (de) * 1983-11-24 1985-04-04 Deutsche Gesellschaft für Wiederaufarbeitung von Kernbrennstoffen mbH, 3000 Hannover Lastaufnahmemittel für einen fernbedienten Lasthaken
GB2150903B (en) * 1983-12-07 1988-03-02 Per Berger Method and assembly for launching or retrieving a lifeboat

Also Published As

Publication number Publication date
KR870005868A (ko) 1987-07-07
FR2591209A1 (fr) 1987-06-12
CA1297864C (fr) 1992-03-24
DE3662382D1 (en) 1989-04-20
FR2591209B1 (fr) 1988-04-08
EP0230175A1 (fr) 1987-07-29
NO163181C (no) 1990-04-18
US4746157A (en) 1988-05-24
NO864948L (no) 1987-06-12
JPH0338191B2 (no) 1991-06-07
JPS62146894A (ja) 1987-06-30
NO864948D0 (no) 1986-12-09

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