KR100681831B1 - Davit system combined use crane - Google Patents

Davit system combined use crane Download PDF

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Publication number
KR100681831B1
KR100681831B1 KR1020050088821A KR20050088821A KR100681831B1 KR 100681831 B1 KR100681831 B1 KR 100681831B1 KR 1020050088821 A KR1020050088821 A KR 1020050088821A KR 20050088821 A KR20050088821 A KR 20050088821A KR 100681831 B1 KR100681831 B1 KR 100681831B1
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KR
South Korea
Prior art keywords
frame
coupled
pendant
hinged
rotating
Prior art date
Application number
KR1020050088821A
Other languages
Korean (ko)
Inventor
최재도
Original Assignee
(주)해안기계산업
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Priority to KR1020050088821A priority Critical patent/KR100681831B1/en
Application granted granted Critical
Publication of KR100681831B1 publication Critical patent/KR100681831B1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B23/00Equipment for handling lifeboats or the like
    • B63B23/02Davits, i.e. devices having arms for lowering boats by cables or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63CLAUNCHING, 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
    • B63C9/00Life-saving in water
    • B63C9/02Lifeboats, life-rafts or the like, specially adapted for life-saving
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/18Cranes 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
    • B66C23/36Cranes 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
    • B66C23/52Floating cranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2728/00Lifeboats, liferafts, lifesaving floats, etc.

Abstract

A davit system combined use of a crane is provided to use the davit system as the crane, thereby launching and returning a boat from even a center part of a mother ship. A davit system combined use of a crane includes a cylindrical fixing member(10), a rotary member(20), a rotary drive member, a first frame(40), a cylinder, a second frame(60), a winch(70), a boat coupling member(80), a hook member, and a rope(95). The cylindrical fixing member is fixed to a deck of a mother ship. The rotary member is engaged with an upper surface of the fixing member. The rotary drive member relatively rotates the rotary member to the fixing member. The first frame is hinged to an end of the rotary member. The cylinder is engaged with the rotary member at its end. The second frame is engaged with the first frame to be spaced apart from or approach to the first frame. The winch is engaged with the first frame to wind the rope. The boat coupling member is engaged with the second frame. The hook member is coupled with the boat coupling member. The rope is wound on the winch.

Description

Crane combined debit system {Davit system combined use crane}

1 is a front view of a crane combined debit system according to an embodiment of the present invention

Figure 2 is a view for explaining a rotary drive member of the crane combined debit system shown in FIG.

Figure 3 is a front view for explaining the boat coupling member of the crane combined debit system shown in FIG.

Figure 4 is a side view for explaining the boat coupling member of the crane combined debit system shown in FIG.

5 is a view for explaining the lifeboat is coupled to the boat coupling member of the crane combined debit system shown in FIG.

6 to 9 is a view for explaining the state of use of the crane combined debit system shown in FIG.

<Description of Symbols for Main Parts of Drawings>

10. Fixed member 20. Rotating member

30. Rotary drive member 40. First frame

50. Cylinder 60. Second Frame

70. Winch 80. Boat Coupling Member

81. First pendant part 82. First damper

83. Second damper 84. Connecting member

85. Pendant sleeve 86. Second pendant part

87. Teledocking Leg 88. Third Damper

90. Ring member 95. Rope

The present invention relates to a debit system, and more particularly to a crane combined debit system.

In general, the debit system is a mechanical device installed on the side deck of a mothership and capable of launching or recovering lifeboats or rescue boats from the mothership at sea.
The motherships are large vessels such as passenger ships, oceanic vessels, and large merchant ships that carry travelers. Most of these motherships are large ships carrying many passengers or crews. The debit system is a device that can be used to mount lifeboats or rescue boats with cranes on the ship's left and right decks.

However, the conventional debit system has only a function of moving a lifeboat or a rescue boat up and down. That is, in the conventional debit system, when the lifeboat is normally connected to one end of the debit system, when the lifeboat needs to be floated in the sea, the lifeboat is moved to the bottom to perform the function of launching in the sea.

Therefore, when the conventional debit system is not used, that is, when the lifeboat is not launched or recovered in the sea, it occupies only a certain space of the deck of the mothership and does not perform any operation.

In addition, the conventional debit system was only able to move the lifeboat in a substantially vertical up and down direction, there was a problem in the installation limitation that the debit system should be located at the left and right ends of the deck of the mothership.

That is, since the center part of the mother ship deck is spaced more than a certain distance from the sea, if a conventional debit system is installed in the center part of the mother ship deck, it is possible to move the lifeboat only in the vertical direction near the vertical. It is impossible to launch the ship into the sea and it is impossible to recover it.

Therefore, the debit system (HBD-030073) needed to be freely stretched in its length.

The present invention has been proposed in order to solve the above problems, it is installed in the center of the deck of the mothership to move the crane in the center of the deck of the mothership to lower the lifeboat or salvage rescue boat to the left and right of the mothership to the sea It can be used as a debit system, which can be used as a crane if not used, and provides a crane-based debit system that can operate a crane in the center of the mothership deck to launch or retrieve lifeboats into the sea.

Crane combined debit system according to the present invention for achieving the above object, a cylindrical fixed member fixed to the deck of the mother ship, a rotating member coupled to the upper surface of the fixing member, and the rotating member to the fixing member A first frame having a rotary drive member for relative rotation with respect to the end, and a hinge coupled to an end of the rotary member, the first frame having an internal space therein for receiving an object, one end of which is coupled to the rotary member, the other end of which A cylinder that is coupled to a first frame and is extended and contracted to adjust a bending angle between the first frame and the rotating member, and is coupled to the first frame, a part of which protrudes from the first frame and the remaining portion The part accommodated in the internal space of the first frame and then accommodated in the internal space of the first frame is included in the first frame. A second frame protruding from and spaced apart from and approaching the first frame, a winch coupled to the first frame, winding a rope, coupled to the second frame, and a boat coupling member coupled to a lifeboat; And a loop member coupled to the boat coupling member and the winch, and including a rope connected to the boat coupling member and the ring member, to bind an object to the hook member while winding or loosening the rope to be used as a crane. And if necessary, it is characterized in that the lifeboat is launched and recovered from the mother ship by coupling the lifeboat to the boat coupling member.

In addition, the rotary drive member of the crane combined debit system according to the present invention is provided along the inner circumference of the rotating member, and has a first gear having a gear shape, and a second gear coupled to the first gear The second gear is rotated by a motor, the first gear is rotated, characterized in that the rotating member is rotated relative to the fixed member.

In addition, the boat coupling member of the crane combined debit system according to the present invention, the side is hinged to the end of the second frame, the first pendant portion that can be rotated around the hinge axis, one end of the second A first damper which is hinged to the side of the frame and the other end is hinged to one end of the first pendant part to attenuate the left and right shaking of the bus bar, one end of which is hinged to the side of the second frame, and the other end thereof A second damper which is hinged to the opposite side of the position where the first damper, which is the other end of the first pendant part, is coupled, attenuates the left and right shaking of the bus bar, and the first pendant part to be orthogonal to a longitudinal center axis of the first pendant part; A coupling member coupled to one end of the first pendant part, the coupling member having a longitudinal center line orthogonal to a center axis of the second frame, and having a receiving groove therein; And a second pendant part coupled to the pendant sleeve, the second pendant part being coupled to the inner receiving groove of the pendant sleeve, and coupled to the end of the second pendant part so as to be movable within the receiving groove. The docking leg and one end thereof are hinged to both ends of the connecting member and the other end is hinged to the side of the teledocking leg, including a pair of third dampers to dampen the front and back shaking of the bus bar, generated by the wave It is characterized in that the shaking phenomenon of the front and rear or right and left of the bus bar is effectively attenuated by the respective dampers and effectively transmitted to the lifeboat.

Hereinafter, a crane combined debit system according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 to 11 are views showing a crane combined debit system according to an embodiment of the present invention, Figure 1 is a front view of a crane combined debit system according to an embodiment of the present invention, Figure 2 is a combined crane shown in Figure 1 Figure 3 is a view for explaining the rotational drive member of the debit system, Figure 3 is a front view for explaining the boat coupling member of the crane combined debit system shown in Figure 1, Figure 4 is a boat of the crane combined debit system shown in Figure 1 Figure 5 is a side view for explaining the coupling member, Figure 5 is a view for explaining the lifeboat is coupled to the boat coupling member of the crane combined debit system shown in Figure 1, Figures 6 to 9 are shown in FIG. The drawings for explaining the state of use of the crane combined debit system is shown respectively.

As shown in the drawings, the crane combined debit system 100 according to an embodiment of the present invention is a fixed member 10, the rotating member 20, the rotary drive member 30, the first frame 40 ), A cylinder 50, a second frame 60, a winch 70, a boat coupling member 80, a ring member 90, and a rope 95.

As shown in FIG. 1, the fixing member 10 is fixed to the deck of the bus bar 3 and has a cylindrical shape.

The rotating member 20 is coupled to the upper surface of the fixing member 10.

The rotation driving member 30 rotates the rotation member 20 relative to the fixing member 10. In this embodiment, the rotation driving member 30 includes a first gear 32 and a second gear 34.

The first gear 32 is provided along the inner circumference of the rotating member 20 and has a gear shape. That is, as shown in Figure 2, the gear teeth (齒) is formed at regular intervals along the inner circumference of the rotating member (20).

The second gear 34 is gear-coupled with the first gear 32.

Therefore, the first gear 32 is rotated by the second gear 34 is rotated by the motor 36 so that the rotating member 20 is relatively rotated relative to the fixing member 10.

The first frame 40 is hinged to the end of the rotating member 20, the inside has an internal space that can accommodate the object.

One end of the cylinder 50 is coupled to the rotating member 20, and the other end thereof is coupled to the first frame 40, and a bending angle between the first frame 40 and the rotating member 20 is provided. The kidney is contracted to control it.

The second frame 60 is coupled to the first frame 40, a part of which protrudes from the first frame 40 and the remaining part is accommodated in the internal space of the first frame 40 As a result, a portion received in the internal space of the first frame 40 is projected from the first frame 40 by a separate power such as hydraulic pressure, so as to be spaced apart and approached to the first frame 40. Stretching and contracting the length of the second frame 60 may be used in various ways, such as hydraulic pressure or pneumatic pressure, which will be omitted since a conventional configuration may be employed.

The winch 70 is coupled to the first frame 40, and serves to wind the rope.

The boat coupling member 80 is coupled to the second frame and coupled to the lifeboat 5. In the present embodiment, the boat coupling member 80 includes the first pendant part 81, the first damper 82, and the second damper. (83), connecting member (84), pendant sleeve (85), second pendant portion (86), teledocking leg (87), and third damper (88).

As shown in FIGS. 3 and 4, the first pendant part 81 is hinged to an end of the second frame 60 and is rotatable about the hinge axis 812. .

One end of the first damper 82 is hinged to the side of the second frame 60 and the other end is hinged to one end of the first pendant part 81 to prevent the left and right shaking of the bus bar 3. Attenuate

The second damper 83 has a position where one end is coupled to the side of the second frame 60 and the other end is coupled to the first damper 82 which is the other end of the first pendant part 81. The hinge is coupled to the opposite side to attenuate the left and right shake of the bus bar (3).

The connecting member 84 is coupled to the first pendant portion 81 to be orthogonal to the longitudinal center axis of the first pendant portion 81, and has a longitudinal center line perpendicular to the central axis of the second frame 60. Have

The pendant sleeve 85 is coupled to one end of the first pendant portion 81 and has a receiving groove 852 therein.

The second pendant portion 86 is accommodated in the inner accommodating groove 852 of the pendant sleeve 85 and is coupled to the pendant sleeve 85 so as to be movable within the accommodating groove 852.

The teledocking leg 87 is coupled to the end of the second pendant portion 86 and is coupled to the lifeboat 5.

One end of the third damper 88 is hinged to both ends of the connecting member 84 and the other end of the third damper 88 is hinged to the side surface of the teledocking leg 87 to attenuate forward and backward shaking of the bus bar 3. In this embodiment, a pair is provided.

Therefore, it is possible to effectively reduce forward, left, and right shaking of the bus bar 3 generated by the waves to be attenuated by the respective dampers and transmitted to the lifeboat 5.

The boat coupling member 80 and the lifeboat 5 is shown in Figure 5 coupled.

The ring member 90 is coupled to the boat coupling member 80.

The rope 95 is wound around the winch 70 and is connected to the boat coupling member 80 and the ring member 90.

Accordingly, when the rope 95 is not wound or uncoupled with the object to the hook member 90 while launching or unwinding the lifeboat 5, the crane combined debit system 100 according to the present embodiment is craned. If necessary, the lifeboat 5 can be launched and recovered from the mothership 3 by coupling the lifeboat 5 to the boat coupling member 80.

Crane combined debit system according to an embodiment of the present invention having the configuration as described above operates as follows.

First, the lifeboat 5 is launched from the sea using the crane combined debit system 100 according to the present embodiment.

In FIG. 6, the right direction is the front direction of the bus bar 3 and the left direction is the rear direction of the bus bar 3. At this time, the lifeboat is placed on the mothership 3 in a state located behind the mothership 3 and facing the front of the mothership.

As shown in the imaginary line on the upper left side of FIG. 6 using a separate device in the above state, by rotating the lifeboat 5 at a certain angle, the side of the lifeboat 5 and the dual-use debit system 100 The second frame 60 of) have a relative angle of about 90 degrees to each other.

Subsequently, as shown in FIGS. 7 and 8, the boat coupling member 80 and the lifeboat 5 are firmly coupled by extending the second frame 60 with respect to the first frame 40. .

Subsequently, the rotating member 20 is rotated with respect to the fixing member 10. At this time, the boat coupling member 80 is a state of holding the lifeboat (5) firmly.

Subsequently, as shown by the upper virtual line of FIG. 6, when the lifeboat 5 is located above the sea spaced apart from the side of the mother ship 3, the rope 95 is wound around the winch 70. Loosen the lifeboat (5) to be launched to the sea.

At this time, even if the bus 3 swings back, forth, left, and right due to waves, the shaking is attenuated by the first damper 82, the second damper 83, and the third damper 88. 5) the shake is not transmitted well.

That is, for example, the front and rear shaking of the bus bar 3 is attenuated by the pair of third dampers 88. The pair of third dampers 88 has a symmetrical structure with respect to the central axis of the first pendant part 81. When the third damper is tensioned due to the shaking of the bus bar, the other one By the third damper of the compression is to attenuate the front and back shaking of the bus bar (3).

For example, the left and right swings of the bus bar 3 are attenuated by the first damper 82 and the second damper 83.

For convenience, the shaking in the direction in which the pair of third dampers 88 operate is referred to as front and rear shaking, and the shaking in the directions in which the first damper 82 and the second damper 83 operate is referred to as left and right shaking. .

On the other hand, recovering the lifeboat 5 from the sea may be performed in reverse.

In the above description, the lifeboat 5 is launched to the left of the moving direction of the bus bar 3. However, it is also the same to launch the lifeboat 5 to the right of the traveling direction of the bus bar 3. That is, the lifeboat 5 is rotated in the direction shown by the virtual line on the lower left side of FIG. 6, the lifeboat 5 and the boat coupling member 80 are firmly coupled to each other, and then the bottom virtual line of FIG. 6. The rotating member 20 is rotated so that the lifeboat 5 is positioned at the position as shown in the drawing, and the lifeboat 5 is launched by the sea.

On the other hand, as shown in Figure 9, when not launching or recovering the lifeboat (5) with the crane combined debit system 100 according to the present embodiment is used as a crane by coupling the object to the ring member 90 It is also possible.

An angle between the first frame 40 and the rotating member 20 may be adjusted by the cylinder 50, and the second frame 60 may be stretched with respect to the first frame 40. It is possible to flow, the rotating member 20 is relatively rotatable relative to the fixing member 10 will be useful as a crane.

As described above, according to the crane combined debit system according to the present invention, when not used as a debit system can be used as a crane, there is an effect that can launch or retrieve the lifeboat in the sea at the center of the mothership deck.

Although the present invention has been described with reference to the embodiments shown in the accompanying drawings, it is intended to be illustrative, and those skilled in the art will understand that various modifications and equivalent embodiments are possible from this. Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

Claims (3)

  1. A cylindrical fixing member fixed to the deck of the mother ship;
    A rotating member coupled to an upper surface of the fixing member;
    A rotary drive member for rotating the rotary member relative to the fixed member;
    A first frame hinged to an end of the rotating member and having an inner space in which an object can be accommodated;
    One end of which is coupled to the rotating member and the other end of which is coupled to the first frame, the cylinder being extended and contracted to adjust a bending angle between the first frame and the rotating member;
    The first frame is coupled to the first frame, a part of which protrudes from the first frame, and the remaining part is accommodated in the inner space of the first frame, and the portion that was accommodated in the inner space of the first frame when used. A second frame protruding from and spaced apart from and approaching the first frame;
    A winch coupled to the first frame and winding a rope;
    A boat coupling member coupled to the second frame and coupled to a lifeboat;
    A ring member coupled to the boat coupling member; And
    And a rope wound around the winch and connected to the boat coupling member and the hook member.
    The rotation drive member,
    A first gear provided along an inner circumference of the rotating member and having a gear shape;
    And a second gear geared to the first gear.
    The first gear is rotated by the second gear is rotated by a motor to rotate the rotating member relative to the fixed member,
    The boat coupling member,
    A first pendant portion hinged to a side of the second frame and rotatable about the hinge axis;
    A first damper whose one end is hinged to the side of the second frame and the other end is hinged to one end of the first pendant part to attenuate the left and right shaking of the bus bar;
    A second damper whose one end is hinged to the side of the second frame and the other end is hinged to the opposite side of the position where the first damper, which is the other end of the first pendant part, is coupled, to attenuate the left and right shaking of the bus bar;
    A connection member coupled to the first pendant part to be orthogonal to the length center axis line of the first pendant part, and having a length center line perpendicular to the center axis line of the second frame;
    A pendant sleeve coupled to one end of the first pendant part and having a receiving groove therein;
    A second pendant part accommodated in the inner receiving groove of the pendant sleeve and coupled to the pendant sleeve so as to be movable inside the receiving groove;
    A teledocking leg coupled to an end of the second pendant portion and coupled to the lifeboat; And
    A pair of third dampers, one end of which is hinged to both ends of the connection member and the other end of which is hinged to the side of the teledocking leg, to dampen front and back shaking of the bus bar. The forward and backward or left and right swing of the crane combined debit system, characterized in that attenuated by the respective dampers and transmitted to the lifeboat.
  2. delete
  3. delete
KR1020050088821A 2005-09-23 2005-09-23 Davit system combined use crane KR100681831B1 (en)

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Application Number Priority Date Filing Date Title
KR1020050088821A KR100681831B1 (en) 2005-09-23 2005-09-23 Davit system combined use crane

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150142728A (en) 2014-06-11 2015-12-23 주식회사 반도산업개발 Rotation preventing jib crane
KR20170010207A (en) 2015-07-16 2017-01-26 주식회사 반도산업개발 Long-distance transport type jib cranes
CN106516014A (en) * 2016-11-13 2017-03-22 无锡晟欧船舶设备有限公司 Rescue boat connecting device used for hanging bracket
CN106516012A (en) * 2016-11-13 2017-03-22 无锡晟欧船舶设备有限公司 Hanger frame for hanging rescue boat
CN106516015A (en) * 2016-11-13 2017-03-22 无锡晟欧船舶设备有限公司 Rescue boat connecting device of hanging rack
CN106516011A (en) * 2016-11-13 2017-03-22 无锡晟欧船舶设备有限公司 Connecting device for hanging rescue boat
CN106628007A (en) * 2016-11-13 2017-05-10 无锡晟欧船舶设备有限公司 Lifeboat lowering device
CN106741659A (en) * 2016-11-13 2017-05-31 无锡晟欧船舶设备有限公司 Ship lowering or hoisting gear
CN106744372A (en) * 2016-11-13 2017-05-31 无锡晟欧船舶设备有限公司 For the suspension bracket of ship
CN106741651A (en) * 2016-11-13 2017-05-31 无锡晟欧船舶设备有限公司 Rescue boat suspension bracket
CN106744379A (en) * 2016-11-13 2017-05-31 无锡晟欧船舶设备有限公司 Ship suspension bracket
KR20190005648A (en) 2017-07-07 2019-01-16 화정준 Cranes
KR20190126529A (en) 2018-05-02 2019-11-12 (주) 뉴텍 Lifting equipment for fishing

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150142728A (en) 2014-06-11 2015-12-23 주식회사 반도산업개발 Rotation preventing jib crane
KR20170010207A (en) 2015-07-16 2017-01-26 주식회사 반도산업개발 Long-distance transport type jib cranes
CN106628007A (en) * 2016-11-13 2017-05-10 无锡晟欧船舶设备有限公司 Lifeboat lowering device
CN106516012A (en) * 2016-11-13 2017-03-22 无锡晟欧船舶设备有限公司 Hanger frame for hanging rescue boat
CN106516015A (en) * 2016-11-13 2017-03-22 无锡晟欧船舶设备有限公司 Rescue boat connecting device of hanging rack
CN106516011A (en) * 2016-11-13 2017-03-22 无锡晟欧船舶设备有限公司 Connecting device for hanging rescue boat
CN106516014A (en) * 2016-11-13 2017-03-22 无锡晟欧船舶设备有限公司 Rescue boat connecting device used for hanging bracket
CN106741659A (en) * 2016-11-13 2017-05-31 无锡晟欧船舶设备有限公司 Ship lowering or hoisting gear
CN106744372A (en) * 2016-11-13 2017-05-31 无锡晟欧船舶设备有限公司 For the suspension bracket of ship
CN106741651A (en) * 2016-11-13 2017-05-31 无锡晟欧船舶设备有限公司 Rescue boat suspension bracket
CN106744379A (en) * 2016-11-13 2017-05-31 无锡晟欧船舶设备有限公司 Ship suspension bracket
KR20190005648A (en) 2017-07-07 2019-01-16 화정준 Cranes
KR20190126529A (en) 2018-05-02 2019-11-12 (주) 뉴텍 Lifting equipment for fishing

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