KR20160039022A - Davit device for lifeboat - Google Patents

Davit device for lifeboat Download PDF

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Publication number
KR20160039022A
KR20160039022A KR1020140131616A KR20140131616A KR20160039022A KR 20160039022 A KR20160039022 A KR 20160039022A KR 1020140131616 A KR1020140131616 A KR 1020140131616A KR 20140131616 A KR20140131616 A KR 20140131616A KR 20160039022 A KR20160039022 A KR 20160039022A
Authority
KR
South Korea
Prior art keywords
frame
lifeboat
guide body
lifting
side wall
Prior art date
Application number
KR1020140131616A
Other languages
Korean (ko)
Inventor
이효근
Original Assignee
바다중공업 주식회사
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 바다중공업 주식회사 filed Critical 바다중공업 주식회사
Priority to KR1020140131616A priority Critical patent/KR20160039022A/en
Publication of KR20160039022A publication Critical patent/KR20160039022A/en

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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
    • B63B23/02—Davits, i.e. devices having arms for lowering boats by cables or the like
    • B63B23/04—Davits, i.e. devices having arms for lowering boats by cables or the like with arms pivoting on substantially horizontal axes, e.g. gravity type
    • 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
    • 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
    • B63B23/48—Use of lowering or hoisting gear using winches for boat handling
    • 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
    • B63B23/62—Fastening or storing of boats on deck

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

The present invention relates to a frame having a rectangular box structure in which a lifeboat is seated on an upper part thereof so as to be seated on the upper part thereof. The frame has a pair of side wall frames arranged opposite to each other, a bottom frame interconnecting the lower ends of the side wall frames, A rear wall frame connecting one longitudinal end of the side wall frame and a fixed hook portion for securing the lifeboat; a guide body coupled to the ship so as to be inclined downwardly from the rear toward the front; And a guide roller for sliding the lifeboat forward of the guide body along the guide body, wherein the guide body further includes a reinforcing bar for connecting the side frame and the bottom frame in a truss structure, Provides a davit device.
In this type of davit device for a lifeboat, a guide body for seating and placing a lifeboat on an upper portion is inclinedly engaged with a ship in a state of having a box structure composed of a side wall frame, a bottom frame and a rear wall frame. A stable decimal number is achieved while sliding in a downward state in a state in which there is no movement in the lateral direction at the time of decimal.

Description

Davit device for lifeboat}

The present invention relates to a davit device for a lifeboat, and more particularly, to a davit device for a lifeboat that safely escapes a lifeboat onboard a crew in an emergency, such as a distress of a ship.

Generally, a lifeboat is installed on a large ship so that crew members can board and escape when emergency evacuation is required from the ship. The ship is provided with a davit for lifeboat so that the lifeboat can be connected to the rope so that the lifeboat can be launched or recovered.

In a state where the davit is installed in a single arm structure on a side deck of the ship, the lifeboat is suspended on a hook portion, and the lifeboat is launched or recovered by winding or loosening a rope connected to the hook using a winch .

However, the conventional davit has the disadvantage that the lifeboat can not be raised or lowered during the operation of the ship due to lifting and lowering of the lifeboat suspended from the rope after the arm is rotated when the lifeboat is launched or recovered.

A daisy which has been proposed to solve such a problem is disclosed in Korean Patent Laid-Open Publication No. 10-2013-0101426 (Mar. 13, 2013).

However, since the lifeboat is not stable in a direction perpendicular to the longitudinal direction of the arm, when the lifeboat is seated on the upper part of the arm, When the lifeboat is lowered during operation of the ship, there is a problem that stable sliding movement is not performed along the arm due to shaking of the lifeboat due to shaking of the ship.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a lifeboat davit device capable of stably launching a lifeboat even while a vessel is in operation.

The present invention relates to a frame having a rectangular box structure in which a lifeboat is seated on an upper part thereof so as to be seated on the upper part thereof and includes a pair of side wall frames opposed to each other, A rear wall frame connecting one longitudinal end of the side wall frame and a fixed hook portion for securing the lifeboat; a guide main body coupled to the ship so as to be inclined downwardly from the rear toward the front; And a guide roller for slidingly moving the lifeboat along the guide body in the forward direction of the guide body, wherein the guide body is provided with a truss A lifting bar for a lifeboat further comprising a reinforcing bar It provides.

In addition, an extended frame extending in the horizontal direction may be further coupled to one end of the guide body, and the fixed hook may be coupled to one side of the extended frame.

In addition, the life of the lifeboat may be shifted to the front of the guide body in a state of being connected by a rope, or may be moved back and forth on the guide body in a state of being separated from the guide body, And a lifting and driving unit for lifting the lifeboat in a state that the liferaft is separated forward.

The elevating and lowering driving unit includes a bar-shaped jib frame having one end rotatably connected to the other end of the guide body so as to be rotatable in the forward and backward direction, one end rotatably coupled to the guide body, A rotary cylinder rotatably connected to one side of the jib frame to generate a driving force so that the jib frame rotates in the forward and backward direction on the guide body; and a rope wound around the roving, And a lifting hook for connecting the lifeboat.

A guide device for a lifeboat according to the present invention is characterized in that a guide body for seating and placing a lifeboat on an upper portion is slantably engaged with a ship in a state of having a box structure composed of a side wall frame, a bottom frame and a rear wall frame, So that it is slid downward in a state in which there is no movement in the left-right direction, and a stable decimal value is achieved.

1 is an overall sectional view of a life-saving device for a lifeboat according to an embodiment of the present invention.
2 is a perspective view of the guide body shown in Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

FIG. 1 is an overall sectional view of a life-saving device according to an embodiment of the present invention, and FIG. 2 is a perspective view of the guide body shown in FIG. Referring to FIGS. 1 and 2, the life-saving device for a life guard includes a guide body 100 and a guide roller 200.

The guide body 100 is a box having a rectangular box structure so as to guide the lifeboat 10 slidably outwardly from the ship 1 in a free fall state while being slantingly engaged with the ship 1. That is, the guide body 100 is coupled to the ship 1 at one end in a state that the lower portion of the lifeboat 10 is seated on the upper portion thereof. At this time, the other end of the guide body 100, The front end portion is provided so as to be inclined downward in a state of being arranged so as to face the outer side of the ship (1). The guide body 100 is opened upward so that the lifeboat 10 can be seated in a state of being inserted into the guide body 100 and the lifeboat 10 is moved outwardly of the ship 1, And has a box structure in which the front side of the main body 100 is opened so as to be slid in a free fall state and then released to the outside of the ship 1.

The guide body 100 includes a side wall frame 110, a bottom frame 120, a rear wall frame 130, and a fixing hook portion 160. The side wall frame 110 is a frame portion constituting a side wall of the guide body 100. The sidewall frame 110 includes a pair of horizontal members 110a arranged horizontally in parallel to each other and a pair of lateral members 110a connected to the lateral members 110a at both ends in the longitudinal direction to connect the pair of the horizontal members 110a. And a plurality of longitudinal members (110b) connected and coupled to the frame member (110). The pair of side wall frames 110 are spaced apart from each other so as to form a space for inserting the lower portion of the lifeboat 10. The bottom frame 120 is a frame portion constituting the bottom of the guide body 100. That is, the bottom frame 120 interconnects the bottom ends of the pair of side wall frames 110. The bottom frame 120 has a plurality of bar-like members spaced apart from each other in the longitudinal direction of the side wall frame 110, and both longitudinal ends of the bar member are connected to the bottom of the side wall frame 110 And is connected to the transverse member 110a. The rear wall frame 130 is a frame portion constituting the rear wall of the guide body 100. That is, the rear wall frame 130 interconnects one longitudinal end of the pair of sidewall frames 110, that is, a rear end portion of the sidewall frame 110. The rear wall frame 130 is a bar-shaped member, and both longitudinal ends of the rear wall frame 130 are coupled to one end of the lateral member 110a in the longitudinal direction of the side wall frame 110, respectively.

The side wall frame 110 and the bottom frame 120 are connected to each other by a truss structure in the guide body 100 to reinforce the side wall frame 110a and the bottom frame 120 in a coupled state, Shaped reinforcing bar 140 for reducing the vibration transmitted from the bar-shaped reinforcing bar. That is, one end of the reinforcing bar 140 in the longitudinal direction is connected to one side of the side wall frame 110, and the other end in the longitudinal direction of the reinforcing bar 140 is coupled to one side of the bottom frame 120.

The fixed hook portion 160 is fixed to the guide body 100 in a state where the lifeboat 10 is seated on the guide body 100 while the lower portion of the lifeboat 10 is seated on the guide body 100, . The fixed hook portion 160 is coupled to one end of the guide body 100 and is preferably connected to the rear end of the side wall frame 110 at one end in the longitudinal direction of the side wall frame 110, Shaped extension frame 150 extending in the horizontal direction from the frame 130. The bar- Here, the extension frame 150 is connected to the upper deck portion of the ship 1.

At this time, the fixed hook portion 160 can be released or retracted by the operation of the operator in a state where the fixed hook portion 160 is hooked on a ring portion (not shown) provided at one side of the lifeboat 10.

The guide roller 200 guides the lifeboat 10 to the guide body 100 when sliding the lifeboat 10 seated on the guide body 100 in a free fall state on the guide body 100. [ Thereby stably sliding forward along the guide rail 100. The plurality of guide rollers 200 are spaced apart from each other in the longitudinal direction of the transverse member 110a disposed at the upper portion of the side wall frame 110 of the guide body 100. [

In addition, the lifebuoy for a life-saving device according to an embodiment of the present invention is configured such that the life-saving device 10 is connected to the guide body 100 in a stable sliding manner downwardly, And a lifting and driving unit 300 for lifting and falling the lifted lifeboat 10 stably can be provided. The lifting and lowering drive unit 300 is connected to the lifeboat 10 through the rope 331 in a state where the lifting drive unit 300 is installed at the other end of the guide body 100, The lifeboat 10 is moved away from the guide body 100 in a forward direction or the lifeboat 10 is rested on the guide body 100 while being separated from the guide body 100 To be moved. In addition, the lifting and lowering drive unit 300 allows stable launching of the lifeboat 10, which is detached forward of the guide body 100, while lowering the lifeboat 10 in a stable manner, To be recovered. Here, the elevation driving unit 300 includes a jib frame 310, a rotating cylinder 320, and a hoist winch 330.

The jib frame 310 is a bar-shaped member and has one longitudinal end thereof hinged at the other end of the guide body 100, more specifically, on one side of the upper end of the side wall frame 110 of the guide body 100 Lt; / RTI > The jib frame 310 rotates in the forward and backward direction around the engaging portion of the guide body 100 according to the operation of the rotary cylinder 320 to be described later. It should be noted that a roller (not shown) for guiding the movement of the rope 331 wound on the hoist winch 330 may be provided at the other longitudinal end of the jib frame 310.

The rotary cylinder 320 generates a driving force to rotate the jig frame 310. One end of the rotating cylinder 320 is rotatably hinged to one end of the guide body 100, more specifically, to one side of the upper end of the side wall frame 110 of the guide body 100. The other end of the rotary cylinder 320, that is, the rod end of the rotary cylinder 320 is rotatably hinged to one side of the gib frame 310. Here, the rotary cylinder 320 may be a hydraulic cylinder, but it is not limited thereto. At this time, the rotary cylinder 320 is connected to a hydraulic pump (not shown), and operates while being supplied with the hydraulic pressure.

The hoist winch 330 causes the rope 331 to be unwound or pulled out in a depressed state to raise and lower the lifeboat 10 connected to one end of the rope 331. The other end of the rope 331 is wound in a state where the hoist winch 330 is coupled to one side of the jib frame 310. It should be noted that the hoist winch 330 is not limited to the hydraulic winch. At this time, the hoist winch 330 is connected to a hydraulic pump (not shown) and operates while being supplied with the hydraulic pressure.

The operation of the lifeboat of the lifeboat according to the embodiment of the present invention will now be described with reference to FIGS. 1 and 2. FIG.

First, the lifeboat 10 is released from the hooked portion 160 of the guide body 100 by the hook. Then, the lifeboat 10 slides downward on the guide body 100, and is released to the front of the guide body 100. At this time, the lifeboat 10 can slide on the guide body 100 in a freely falling state by its own load, but it is slidably moved downward in a connected state by the lifting and lowering driving unit 300 for stable sliding transfer . The operation of the rotary cylinder 320 causes the jib frame 310 to move along the sliding movement of the lifeboat 10 from the guide body 100 by the elevation drive unit 300. [ The lifeboat 10 is slid downward on the guide body 100 in a state of being connected to the rope 331 while being slid downward in the direction of the other end of the guide body 100, do. When the lifeboat 10 is slid on the guide body 100, the lower portion of the lifeboat 10 is seated in the inserted state between the side wall frames 110 of the guide body 100, (200) so that stable descent can be performed without fluctuation in the left and right direction.

As the lifeboat 10 is disengaged forward from the guide body 100, the lifeboat 10 can be directly discharged to the sea outside the ship 1 or can be moved downwardly connected to the lifting and driving unit 300 have. Describing the lifting operation of the lifeboat 10 by the lifting drive unit 300, the lifting winch 330 is operated to loosen the rope 331 wound on the lifting winch 330, After the lifeboat 10 has been moved downward, it can be brought into a floating state on the sea.

The guide body 100 for seating and placing the lifeboat 10 on the upper part of the life frame 10 is supported by the side wall frame 110 and the bottom frame 120 and the rear wall frame 130 The watercraft 10 is slid down on the guide body 100 so that the watercraft 10 does not move in the leftward or rightward direction So that a stable decimal number is achieved.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

100: guide body 110: side wall frame
120: bottom frame 130: rear wall frame
140: reinforcing bar 150: extended frame
160: fixed hook portion 200: guide roller
300: lifting opening portion 310: jib frame
320: rotating cylinder 330: hoisting winch

Claims (4)

A pair of sidewall frames disposed opposite to each other, a bottom frame interconnecting the lower ends of the sidewall frames, a sidewall frame connected to the sidewall frame, And a fixed hook portion for latching and fixing the lifeboat; and a guide body coupled to the ship so as to be inclined downwardly from the rear to the front;
And a guide roller coupled to the upper end of the sidewall frame so as to be spaced apart from each other in the longitudinal direction and slidably moving the lifeboat along the guide body forward of the guide body,
Wherein the guide body further comprises a reinforcing bar for connecting the side wall frame and the floor frame in a truss structure. The method according to claim 1,
An extended frame extending in the horizontal direction is further provided at one end of the guide body,
And the fixed hook portion is coupled to one side of the extended frame. The method according to claim 1,
The life of the lifeboat may be shifted forward or away from the guide body in a state where the lifeboat is connected by a rope, Further comprising a lifting and lowering driving unit for lifting the lifeboat in a state of being separated from the lifeboat. The method of claim 3,
The lifting /
A bar shaped jib frame having one end rotatably connected to the other end of the guide body in the forward and backward directions,
A rotary cylinder rotatably connected to the guide body at one end and rotatably connected to one side of the jib frame at the other end to generate a driving force to rotate the jib frame in the forward and backward directions on the guide body,
And a lifting hook for connecting the lifeboat to the one end of the rope, the lifting winch being connected to one side of the jib frame.



KR1020140131616A 2014-09-30 2014-09-30 Davit device for lifeboat KR20160039022A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020140131616A KR20160039022A (en) 2014-09-30 2014-09-30 Davit device for lifeboat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140131616A KR20160039022A (en) 2014-09-30 2014-09-30 Davit device for lifeboat

Publications (1)

Publication Number Publication Date
KR20160039022A true KR20160039022A (en) 2016-04-08

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Application Number Title Priority Date Filing Date
KR1020140131616A KR20160039022A (en) 2014-09-30 2014-09-30 Davit device for lifeboat

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115195976A (en) * 2022-08-18 2022-10-18 上海交通大学 Retraction device for cooperative operation of double-body small unmanned ship and ROV
CN116331418A (en) * 2023-04-23 2023-06-27 自然资源部第一海洋研究所 Marine monitoring platform laying method and device
CN117302432A (en) * 2023-04-23 2023-12-29 自然资源部第一海洋研究所 Marine monitoring platform recycling method and device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115195976A (en) * 2022-08-18 2022-10-18 上海交通大学 Retraction device for cooperative operation of double-body small unmanned ship and ROV
CN116331418A (en) * 2023-04-23 2023-06-27 自然资源部第一海洋研究所 Marine monitoring platform laying method and device
CN117302433A (en) * 2023-04-23 2023-12-29 自然资源部第一海洋研究所 Marine monitoring platform laying method and device
CN117302432A (en) * 2023-04-23 2023-12-29 自然资源部第一海洋研究所 Marine monitoring platform recycling method and device

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