KR101790039B1 - Emergency towing system for ship based on Quick Release Mechanism - Google Patents

Abstract

The present invention relates to an emergency traction system for a ship to which a quick release machanism (QRM) is applied, and more particularly to an emergency traction system for a tugboat connected to a tug boat in case of an unexpected situation, The present invention relates to an emergency traction system for a ship to which an improved QRM is applied so that the ship can be quickly released and the ship can be safely protected.

Description

Technical Field [0001] The present invention relates to an emergency towing system for a ship,

The present invention relates to an emergency traction system for a ship to which a quick release machanism (QRM) is applied, and more particularly to an emergency traction system for a tugboat connected to a tug boat in case of an unexpected situation, The present invention relates to an emergency traction system for a ship to which an improved QRM is applied so that the ship can be quickly released and the ship can be safely protected.

Generally, a traction device is usually installed at the bottom of the upper deck of the stern to tow other ships in case of emergency such as loss of self-navigating ability due to launching of a completed ship or accident.

Usually, the towing device includes a tow line connected to the towed ship, a strong point attached to the towing ship to which one end of the towing line is fixed, and a Fairlead installed on the deck of the ship to guide the towing line.

These normal towing devices are separated by Emergency Towing Arrangement (ETA) and Escorting Pull Back (EPB).

However, due to the fact that the traction device is usually separated, there is a lot of space restriction on the aft deck. In case of the pair lead, the pair lead for the traction and the pair lead for the overlap are installed redundantly. (ETS) (Emergency Towing System), which is an integrated type of ETS (Emergency Towing System).

However, in such a conventional emergency towing system, the towing line connected to the tug boat is tied to the strong point of the main line and the strong tension is applied, so that the tug boat is stranded or sunked due to an unexpected situation There is a problem in that it is not possible to securely secure the main line due to the fact that the tugboat and the tug boat can not be unbonded.

Korea Patent Registration No. 10-0516140 (September 13, 2005) 'Ship Traction Device' Korea Patent Registration No. 10-0497961 (June 20, 2005) 'Ship Traction Device' Korean Patent Registration No. 10-0766176 (Apr. 4, 2007) 'Ship Traction Device' Korean Patent Publication No. 10-2016-0075075 (June 26, 2016) 'Emergency Towing Apparatus for Ship'

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and it is an object of the present invention to provide a tug boat which is connected to a tug boat in order to solve various problems such as stranding or sinking due to an unexpected situation, The present invention provides an emergency traction system for marine vessels to which the improved QRM is applied so that the ship can be quickly released and the ship can be safely protected.

The present invention provides a means for achieving the above object, comprising a pair lead 100 installed on a deck of a ship, a quick release machanism (QRM) unit 110, and a storage drum 120, Claims 1. An emergency traction system adapted for emergency traction with a pennant (TP); The QRM unit (110) includes a bottom plate (112) fixed on the deck; A pair of vertical brackets 114 integrally protruding from the upper surface of the bottom plate 112 at intervals; A lock king pin 116 rotatably assembled at one end between the vertical brackets 114; A fork (FORK) is formed on an outer circumferential surface of the other of the vertical brackets 114 so as to be able to hang the towing pennant TP, and the opposite end thereof is engaged with the locking pin 116 A strong fork (118) arranged in a row; An operating cylinder 200 installed on the upper surface of the bottom plate 112; And one end of which is hinged to the cylinder rod 210 of the actuating cylinder 200 and the other end is a locking long link 220 eccentrically linked to a locking flange LFL constituting one end surface of the lock king pin 116 , And the locking pin (116) is partly cut to have a stopper surface (STP) to constrain or release the tip of the strong fork (118) according to the rotational direction; A rotating shaft RT is further provided on the outer side of the vertical bracket 114 to which the locking long link 220 is attached and the rotating shaft RT is disposed below the locking long link 220, (CAM) is fixed to the cam (RT), and the handle (HND) is plugged to one side of the cam (CAM) to operate the emergency traction system for a ship to which the QRM is applied.

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The lower end of the actuating cylinder 200 is also hinged to be rotatably mounted on the bottom plate 112.

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According to the present invention, it is possible to obtain an effect of safely protecting the main line by rapidly releasing the binding of the tow line connected to the tug boat in case of stranding or sinking due to an unexpected situation at the time of emergency traction.

1 is an exemplary plan view of a marine emergency traction system to which a QRM according to a first embodiment of the present invention is applied.
Figure 2 is an exemplary partial side cross-sectional view of Figure 1;
3 is an exemplary perspective view taken from an excerpt of the QRM unit of FIG.
Figure 4 is an exemplary side view of Figure 3;
5 is an explanatory view showing an operation example of the emergency traction system according to the first embodiment of the present invention.
6 is an exemplary partial side cross-sectional view of a marine emergency traction system to which the QRM is applied in accordance with the second embodiment of the present invention.
Figure 7 is an exemplary perspective view of the QRM unit of Figure 6 taken excerpts.
Fig. 8 is an exemplary side view of Fig. 7. Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Before describing the present invention, the following specific structural or functional descriptions are merely illustrative for the purpose of describing an embodiment according to the concept of the present invention, and embodiments according to the concept of the present invention may be embodied in various forms, And should not be construed as limited to the embodiments described herein.

In addition, since the embodiments according to the concept of the present invention can make various changes and have various forms, specific embodiments are illustrated in the drawings and described in detail herein. However, it should be understood that the embodiments according to the concept of the present invention are not intended to limit the present invention to specific modes of operation, but include all modifications, equivalents and alternatives falling within the spirit and scope of the present invention.

[First Embodiment]

As shown in FIGS. 1 to 4, the emergency traction system according to the first embodiment of the present invention includes a Quick Release Machanism (QRM) unit 110 instead of a conventional strong point.

That is, the emergency traction system according to the first embodiment of the present invention basically comprises a pair lead 100 installed on a deck of the hull, a QRM unit 110 fixed at a distance from the pair lead 100, Towing Pennant < RTI ID = 0.0 > (TP) < / RTI >

At this time, the storage drum 120 is configured to be driven by the air motor 122, and is configured to be able to rewind the towing pennant TP after the traction condition is over.

In addition, although the tow pennant TP is exemplified in the above description, the present invention is not limited thereto, but may be various means such as a chain or the like having a pulling function.

For example, an example of using a chain will be described in the second embodiment described later.

Further, a control box CBX is installed on the upper surface of the deck, and the control box CBX is a means for mechanically controlling the driving of the QRM unit 110. Therefore, it is needless to say that the control box CBX and the QRM unit 110 are designed to be electrically connected to each other by hydraulic lines, though not shown in detail.

3 and 4, the QRM unit 110 includes a bottom plate 112 fixed on a deck, and on the upper surface of the bottom plate 112, a vertical bracket (not shown) (114) are integrally protruded.

A lock fork 116 is inserted into one end of the vertical bracket 114 and is rotatably assembled, and a strong fork 118 is rotatably fixed to the other end.

At this time, as shown in the enlarged drawing, the locking pin 116 is partially cut to have a stopper surface STP.

The strong fork 118 is disposed so that its tip end is caught on the stopper surface STP and is rotatably fixed between a pair of vertical brackets 114 with a fork fork .

At this time, after a socket of a pair of towing pennants TP is inserted between the forking forks (FORK) shaped as shown in FIG. 3B, the QRM unit 110 is operated to rotate the strong fork 118, And is configured to release the connection.

The lower end of the actuating cylinder 200 is hingedly fixed to the upper surface of the bottom plate 112 so that the lower end of the actuating cylinder 200 can rotate and the cylinder rod 210 of the actuating cylinder 200 is fixed to one end of the locking long link 220 And is hingedly fixed.

In addition, the other end of the locking long link 220 is eccentrically formed on one end face of the lock king pin 116, more precisely, on the end face of the one-side locking flange LFL which is fixed through the vertical bracket 114 Link.

The operation cylinder 200 can control supply of hydraulic pressure or pneumatic pressure by using a controller installed in the control box CBX which is separated from the control cylinder CBX.

Thus, one end of the towing pennant TP can be hooked to the fork FORK of the strong fork 118 and can be towed through the tug boat.

Then, when the tug boat is stranded or sunken due to various factors, the operator operates the controller without delay to operate the operating cylinder 200.

Then, the cylinder rod 210 is raised. Since the length of the locking long link 220 is not increased but the other end is restrained by the locking flange LFL, the operating cylinder 200 is slightly rotated in the clockwise direction The cylinder rod 210 is pushed up and the rocking long link 220 is moved downward by the rotational flow to rotate the locking flange LFL.

The rotation of the locking flange LFL eventually rotates the locking pin 116. At this time, since the end of the locking long link 220 is eccentrically linked to the locking flange LFL, It is enough.

5, since the stopper surface STP restraining the front end of the strong fork 118 is raised, the strong fork 118 is not pulled out of the toe pennant TP, And the towing pennant TP hanging on the fork FORK at that moment is peeled off and separated so that the pulling force of the tug boat does not extend to the main line and the main line can be protected .

In addition, if the pneumatic or hydraulic operation is difficult, an emergency safety device may be further provided so that the operator can manually release the towing pennant TP manually.

The emergency safety device includes a rotation axis RT axially fixed to the outer surface of the vertical bracket 114 to which the locking long link 220 is attached and the rotation axis RT is provided on the lower side of the locking long link 220 A cam (CAM) is fixed to the rotary shaft (RT), and a handle (HND) can be attached to one side of the cam (CAM).

Thus, when the handle (HND) is pulled when the emergency safe operation is performed, the cam CAM is rotated with respect to the rotation axis RT to raise the locking long link 220. When the locking long link 220 is lifted, So that the locking flange LFL is rotated to induce the rotation of the locking pin 116.

Then, the binding force of the strong fork 118 is released, so that the above-described operation is performed so that the towing pennant TP can be separated to protect the main line.

[Second Embodiment]

6 to 8, the emergency tow system for a ship to which the QRM according to the second embodiment of the present invention is applied has substantially the same structure as that of the first embodiment described above, except that the QRM unit 110, (See FIG. 7).

In addition, there are two ways to connect a tug boat and a main line from a towing chain in order to tow the main line with a turbo boat: either by throwing a messenger rope from the tug boat to the main line, or by throwing it to the tug boat from the main line The QRM unit 110, which is a main feature of the present invention, will be described intensively since it is a general ETS content that is not a main feature of the present invention.

For example, in the second embodiment of the present invention, a hanging hook (hook) having a shape capable of hanging one end link of the toe chain (CIN) is formed at the end of the strong fork (118) The connecting member may be disconnected from the tug boat while the connecting member is disengaged when an operation similar to that of the first embodiment described above takes place by hooking the link at one end of the chain and pulling the vessel.

As described above, according to the present invention, it is very easy and convenient to release the ties between the tugboat and the main line, and thus the main line can be safely protected.

100: Fairlead
110: QRM unit
120: Storage drum
200: Operation cylinder
210: cylinder rod
220: Locking Long Link
TP: Towing pennant

Claims (4)

An emergency traction system including a pair lead 100 installed on a deck of a ship, a Quick Release Machanism (QRM) unit 110, and a storage drum 120, A system comprising:
The QRM unit (110) includes a bottom plate (112) fixed on the deck; A pair of vertical brackets 114 integrally protruding from the upper surface of the bottom plate 112 at intervals; A lock king pin 116 rotatably assembled at one end between the vertical brackets 114; A fork (FORK) is formed on an outer circumferential surface of the other of the vertical brackets 114 so as to be able to hang the towing pennant TP, and the opposite end thereof is engaged with the locking pin 116 A strong fork (118) arranged in a row; An operating cylinder 200 installed on the upper surface of the bottom plate 112; And a rocking long link 220 eccentrically linked to a locking flange LFL, one end of which is hinged to the cylinder rod 210 of the actuating cylinder 200 and the other end of which is one end face of the lock king pin 116 In addition,
The locking pin (116) is partly cut to have a stopper surface (STP) and is configured to restrain or release the tip of the strong fork (118) according to the rotational direction;
A rotating shaft RT is further provided on the outer side of the vertical bracket 114 to which the locking long link 220 is attached and the rotating shaft RT is disposed below the locking long link 220, (CAM) is fixed to the cam (RT), and a handle (HND) is inserted into one side of the cam (CAM) to operate the emergency traction system for a ship to which the QRM is applied.
delete The method according to claim 1,
Wherein the lower end of the operating cylinder (200) is hingedly fixed on the bottom plate (112) so as to be rotated.
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