KR101184248B1 - A fairleader having a chain stopper - Google Patents

A fairleader having a chain stopper Download PDF

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Publication number
KR101184248B1
KR101184248B1 KR20100032298A KR20100032298A KR101184248B1 KR 101184248 B1 KR101184248 B1 KR 101184248B1 KR 20100032298 A KR20100032298 A KR 20100032298A KR 20100032298 A KR20100032298 A KR 20100032298A KR 101184248 B1 KR101184248 B1 KR 101184248B1
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KR
South Korea
Prior art keywords
chain
stopper
cylinder
lower body
selectively
Prior art date
Application number
KR20100032298A
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Korean (ko)
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KR20110112997A (en
Inventor
강종수
이계광
정효석
Original Assignee
미래인더스트리(주)
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.)
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Application filed by 미래인더스트리(주) filed Critical 미래인더스트리(주)
Priority to KR20100032298A priority Critical patent/KR101184248B1/en
Priority to PCT/KR2010/002404 priority patent/WO2011126171A1/en
Publication of KR20110112997A publication Critical patent/KR20110112997A/en
Application granted granted Critical
Publication of KR101184248B1 publication Critical patent/KR101184248B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/04—Fastening or guiding equipment for chains, ropes, hawsers, or the like
    • B63B21/10—Fairleads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/18—Stoppers for anchor chains

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

Fairlead provided with a chain stopper according to the present invention for achieving the above object, the upper body is attached and fixed to one side of the attachment object, rotatably coupled to one side of the upper body, and penetrates the chain inside A lower body for guiding the conveying direction, a chain stopper selectively rotating by a plurality of links on one side of the lower body to limit downward movement of the chain, and protection for blocking foreign material from entering the lower body from one side of the lower body It is configured to include a cover. The chain stopper may further include a cylinder that is selectively extended in length, a plurality of first links rotatably coupled to one end of the cylinder, and a plurality of first links rotatably coupled to the other ends of the plurality of first links. And a stopper coupled to and interlocked with one end of the plurality of second links and selectively contacting the chain to limit one-way movement of the chain.

Description

Fairleader having a chain stopper

The present invention relates to a fairlead provided with a chain stopper provided with a chain stopper on one side of the fairleader to improve usability.

Hereinafter, a configuration of a fairlead and a traction apparatus according to the prior art will be described with reference to FIG. 1.

1 shows a state diagram of use of a conventional fairlead and a traction device.

As shown in the drawing, a general ship deck is provided with a towing device 10 for ship towing and docking. The traction apparatus 10 may provide a tension force to the hook 17 by winding the wire 12 by rotating the drum 10.

And, one side of the towing device 10, although not shown in the figure is provided with a chain stopper. The chain stopper may be variously implemented as a configuration for limiting movement by interfering with one side of the wire 12.

The fairlead 30 is provided on the left side of the towing apparatus 10. The fairlead 30 accommodates one side of the wire 12 whose position is moved by the rotation of the drum 13 to guide the tension force applied to the wire 12 toward the front of the traction device 10. Done.

In addition, the fairlead 30 is provided with a hole 32 perforated to round the inner surface. Therefore, the wire 12 penetrating the hole 32 is not bent.

A fixing unit 23 is provided between the fairlead 30 and the towing apparatus 10. The fixing portion 23 guides the tensile force generated from the traction device 10 toward the fairlead 30, and when the fixing portion 23 is not installed, a wire moving by rotation of the drum 13 This is to prevent 12 from having a large contact angle with the hole 32 of the fairlead 30.

However, the fair reader 30 configured as described above has the following problems.

That is, the chain stopper is provided on one side of the towing apparatus 10. Accordingly, the wire 12 from the traction device 10 to the fairlead 30 is not fixed and is placed in a movable state.

Therefore, it is not preferable in safety management because it can threaten the safety of the worker.

In addition, as the chain stopper is provided in the towing apparatus 10, the size thereof is considerable, which causes a problem of increasing the cost in manufacturing, and there is a problem in that maintenance and maintenance are inconvenient in case of failure and damage.

SUMMARY OF THE INVENTION An object of the present invention is to provide a fairlead with a chain stopper provided with a chain stopper on one side of the fairlead to improve safety and to facilitate maintenance and management. have.

Another object of the present invention is to provide a fairlead provided with a chain stopper which is configured to enable the operation of the chain stopper by simple operation, thereby improving the convenience of use.

Fairlead provided with a chain stopper according to the present invention for achieving the above object, the fairlead 100 is fixed to one side of the attachment object, rotatably coupled to one side of the upper body, the chain inside A lower body for guiding the conveying direction through the lower body, a chain stopper selectively rotating by a plurality of links on one side of the lower body to restrict downward movement of the chain, and foreign material inflow into the lower body from the lower body side. Characterized by including a protective cover to block.

The chain stopper may include a cylinder that is selectively extended in length, a plurality of first links rotatably coupled to one side of the cylinder, and a plurality of second rotatably coupled to the other ends of the plurality of first links. And a stopper coupled to one end of the plurality of second links and interlocking with each other and selectively contacting the chain to limit one-way movement of the chain.

The first link, the second link and the stopper may be arranged symmetrically with respect to the cylinder.

The cylinder is characterized in that the length is selectively variable by the operation of the operation means.

The cylinder is characterized in that the length is extended by the load of the stopper, the length is reduced by the upward movement of the chain.

The operation means is characterized in that the operation can be selectively off (off) by the user.

One side of the stopper is characterized in that it is provided with a restraining portion for selectively contacting and restraining during the downward movement of the chain.

One side of the stopper is formed to correspond to a part of the outer shape of the chain is characterized in that the contact portion is provided in surface contact.

In the present invention, the chain stopper is provided on one side of the fairlead and configured to restrict the movement of the chain.

Thus, since the chain stopper is provided as a simple structure, the chain can be restrained, thereby reducing the manufacturing cost, and there is an advantage of easy maintenance and management due to the miniaturization.

In addition, there is an advantage that the safety is improved by configuring the chain stopper to be selectively off (off) by the operation means.

1 is a state diagram used in the fairlead and the traction apparatus according to the prior art.
Figure 2 is a measurement side view showing the external configuration of the fairlead with a chain stopper according to the present invention.
Figure 3 is an enlarged bottom view showing the chain is restrained by the chain stopper with a chain stopper according to the present invention.
Figure 4 is an enlarged bottom view showing a state in which the restraint of the chain is released from the fairleader provided with a chain stopper according to the present invention.
Figure 5 is a bottom perspective view showing the external configuration of the fairlead with a chain stopper according to the present invention.
Figure 6 is an enlarged perspective view showing the appearance of the stopper of one configuration in the fairleader with a chain stopper according to the present invention.
Figure 7 is a bottom perspective view showing an installation state of a protective cover of one configuration in a fairleader provided with a chain stopper according to the present invention.

Hereinafter, with reference to the accompanying drawings will be described the configuration of the fairlead with a chain stopper according to the present invention.

Figure 2 is a front view showing the external configuration of the fairleader with a chain stopper according to the present invention.

As shown in the figure, the fairlead 100 according to the preferred embodiment of the present invention is a device for selectively restricting the movement of the chain (C) provided from the towing device is fixed to the attachment object, such as the outer wall of the vessel.

In addition, the fairlead 100 is configured to simultaneously perform a role of guiding the direction of movement of the chain (C) connected to the traction device.

To this end, the fairlead 100 is rotatably coupled to the upper body 120 and the upper body 120 is fixed to one side of the attachment object, the upper body 120, the chain (C) through the transfer through A lower body 140 for guiding a direction, a chain stopper 160 selectively rotating by a plurality of links at one side of the lower body 140 to restrict downward movement of the chain C, and the lower body ( 140 is configured to include a protective cover 180 to block the foreign body inflow into the lower body 140 from one side.

The upper body 120 is positioned on the top of the fairlead 100 and is fixed to the outer surface of the attachment object, the upper portion / the lower portion of the upper body is provided with an attachment portion 122.

The attachment part 122 is actually attached to the attachment object and is attached to the attachment object. As the attachment part 122 is coupled, the upper body 120, the lower body 140, the chain stopper 160, and the protective cover 180 are attached. ) Allows the load to be supported on the attachment object.

The left side of the upper body 120 is provided with a roller 124. The roller 124 is selectively in contact with the chain (C), it is selectively fitted when the chain (C) moves upward or downward to align the guided shape of the chain (C) as shown in FIG.

Therefore, the roller 124 is preferably configured to be rotatable on one side of the upper body (120).

The rotating part 126 is provided in the center of the upper body 120. The rotating part 126 is rotatably coupled within the upper body 120 so that the lower body 140 is rotatably supported with respect to the upper body 120.

Therefore, the lower body 140 is connected to approximately the center of the upper body 120. The lower body 140 is rotatably coupled to the upper body 120 and guides the chain C aligned by the roller 124 in the longitudinal direction.

That is, the lower body 140 has a structure that can penetrate the chain (C) is empty inside, and has a predetermined length in the downward direction. The inside of the lower body 140 is opened in the up / down direction.

Therefore, the chain (C) can be guided in the longitudinal direction of the lower body 140 through the lower body 140.

The lower side of the lower body 140, the chain stopper 160 is provided. The chain stopper 160 is configured to selectively contact or guide the movement of the chain C when the chain C is moved up and down as the main component of the present invention.

Hereinafter, a detailed configuration of the chain stopper 160 will be described with reference to FIG. 3.

3 is a bottom enlarged view showing a state in which the chain C is constrained by the chain stopper 160 in the pair leader 100 provided with the chain stopper 160 according to the present invention.

As shown in the figure, the chain stopper 160, the cylinder 162 is selectively elongated, a plurality of first links 164, one end of which is rotatably coupled to one side of the cylinder 162, and A plurality of second links 166 rotatably coupled to the other end of the plurality of first links 164, coupled to one end of the plurality of second links 166 and interlocked, and selectively with the chain (C) And a stopper 167 which contacts and limits the one-way movement of the chain C.

The cylinder 162 is located in the center of the left / right direction of the lower body 140, the lower portion is configured to extend the length by moving up and down direction.

In addition, the cylinder 162 is selectively changed in length by a separate operation means, the operation means is configured to be selectively off (off) operation by the user.

That is, the cylinder 162 may be extended in length by the load of the stopper 167 when the operation means function is off, and is maintained at a constant length even if a force is supplied from the outside when the function is turned on (on) Controlled to.

In more detail, in order to restrict the movement of the chain C by using the chain stopper 160, it is possible to increase the length of the cylinder 162 by operating the operation means. At this time, the cylinder 162 is preferably configured to be limited to the upward movement of the chain (C).

In addition, when the chain (C) moves in the upward direction, the function of the operation means is turned off (off) to enable the free movement of the cylinder 162 by the tensile force applied to the chain (C), the chain (C) When the c) is moved by a predetermined length, it is possible to limit the reverse (downward) movement of the chain C by extending it downward by the load of the stopper 167.

The first link 164 is provided at the lower left and right sides of the cylinder 162. The first link 164 is provided in plurality, have the same shape and size, and are arranged symmetrically with respect to the cylinder 162.

For example, the first link 164 is provided in pairs on the front and rear surfaces of the lower body 140, and the second link 166 is provided with the same number as the first link 164.

That is, as shown in FIG. 3, the pair of first links 164 seen on the front surface of the lower body 140 are inclined in a left / right direction with respect to the cylinder 162. Therefore, the first link 164 can be rotated at the same time by the stretching of the length of the cylinder 162.

The second link 166 is rotatably coupled to the upper end of the first link 164. The second link 166 is configured to forcibly rotate the stopper 167 by receiving a force from the first link 164.

That is, as shown in FIG. 3, the second link 166 is rotatably coupled with the first link 164, and the lower link is firmly coupled with the stopper 167 and does not rotate.

Therefore, when the second link 166 is rotated by receiving the force from the first link 164, the stopper 167 is interlocked with the first link 164 clockwise and counterclockwise within the same angle range. Rotation of the direction becomes possible.

Accordingly, the stopper 167 may be in selective contact with the chain (C) as shown in FIGS. 3 and 4.

4 is a bottom enlarged view showing a state in which the restraint of the chain C is released from the fairleader 100 equipped with the chain stopper 160 according to the present invention.

Hereinafter, a detailed configuration of the stopper 167 will be described with reference to FIGS. 5 and 6.

As shown in these figures, the stopper 167 is in contact with the chain (C) moving in the upward direction and the contact portion (169) to prevent a local impact load is applied to the chain (C), and the chain (C) Constraints 168 are provided to selectively contact and constrain movement during downward movement.

The contact portion 169 is recessed upward from the bottom surface of the stopper 167 but is formed to be rounded to have a shape similar to a portion of the outer shape of the chain (C).

Therefore, when the chain (C) moves in the upward direction as shown in Figure 6 to minimize the amount of interference to facilitate the movement.

On the other hand, when the chain (C) does not move as shown in FIG. 3 or the chain (C) moves upward by a certain length even when the chain (C) moves upward, the chain (C) due to the rounded shape when returning to the original position again Wrap the upper surface of the to prevent local impact loads from being applied.

Therefore, the contact portion 169 is preferably formed to have a curvature corresponding to a portion of the outer shape of the chain (C), or is configured to have a curvature larger than the curvature of the portion of the outer shape of the chain (C).

The upper surface of the stopper 167 is provided with a restraining portion 168. The restraint part 168 is configured to restrain the chain C when the chain C moves downward due to its own weight and maintain a stopped state. The restraint part 168 has a shape corresponding to a part of the outer shape of the chain C. Or, it is configured to have a curvature larger than the partial curvature of the outer shape of the chain (C).

Therefore, even when the pulling force of the traction device is canceled while the chain C moves upward, the restraining portion 168 stops while supporting the upper appearance of the chain C while supporting the upward direction. The fall of the chain C can be restricted.

At this time, the cylinder 162 can limit the movement of the chain (C), even if no separate operation.

7 is a bottom perspective view showing an installation state of the protective cover 180, which is one configuration in the fairlead 100 is provided with a chain stopper 160 according to the present invention.

As shown in the figure, a protective cover 180 is provided below the lower body 140. The protective cover 180 is configured to communicate with the opened lower portion of the lower body 140 to allow the chain (C) to be guided to the outside of the fairlead (100).

In addition, the protective cover 180 is configured to have an inclination toward the outer direction, except for a part is configured to surround the outer side of the chain (C).

Therefore, the foreign material (seaweed, etc.) pulled up along the chain C is removed when the chain C moves upward.

In addition, the protective cover 180 is selectively configured to be locked below the surface of the water, so that the chain (C) may also be performed at the same time to block the contact with foreign matter such as seaweed.

And, one side of the protective cover 180 is cut in order to enlarge the movement area of the chain (C), it is preferable that the cut is located in the opposite direction where the attachment object is located.

The scope of the present invention is not limited to the above-described embodiments, and many other modifications based on the present invention will be possible to those skilled in the art within the scope of the present invention.

For example, in the embodiment of the present invention, when the length of the cylinder 162 is extended, the chain C can be restrained by the stopper 167, but the cylinder is configured to operate in reverse by changing the upper and lower positions. It may be obvious.

100. Fairleader 120. Upper Body
122. Attachment 124. Roller
140. Lower body 160. Chain stopper
162. Cylinder 164. First Link
166. Second link 167. Stopper
168. Constraints 169. Contacts
180. Protective cover C. chain

Claims (8)

delete delete An upper body attached and fixed to one side of the attachment object; A lower body rotatably coupled at one side of the upper body and guiding a conveying direction by penetrating the chain provided from the traction device inward; A roller rotatably installed at one side of the upper body and configured to align the guided shape of the chain by selectively contacting the chain; A cylinder selectively installed on one side of the lower body to extend in length, a plurality of first links rotatably coupled to one end of the cylinder, and a plurality of rotatably coupled to the other ends of the plurality of first links And a stopper coupled to one end of the plurality of second links and interlocking with each other and selectively contacting the chain to limit one-way movement of the chain, wherein the first link, the second link, and the stopper connect the cylinder. A chain stopper disposed symmetrically with respect to the reference; It is configured to include a protective cover to block the foreign body inflow into the lower body from one side of the lower body,
On one side of the stopper,
A restraining portion selectively contacting and restraining when the chain moves downward,
Fairlead with a chain stopper, characterized in that the contact portion which is formed to correspond to the outer part of the chain and the surface contact. The method of claim 3, wherein the cylinder,
A pair reader provided with a chain stopper, characterized in that the length is selectively variable by the operation of the operation means. The method of claim 3, wherein the cylinder,
The length of the stopper is extended by the load, the length of the chain is reduced by the upward movement of the chain leader provided with a chain stopper. The method of claim 4, wherein the operation means,
Fairlead with a chain stopper, characterized in that the operation is selectively off (off) by the user. The method of claim 3, wherein the protective cover,
Fairlead with a chain stopper, characterized in that the front is cut in order to enlarge the movement area of the chain. delete
KR20100032298A 2010-04-08 2010-04-08 A fairleader having a chain stopper KR101184248B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR20100032298A KR101184248B1 (en) 2010-04-08 2010-04-08 A fairleader having a chain stopper
PCT/KR2010/002404 WO2011126171A1 (en) 2010-04-08 2010-04-19 Fairleader having a chain stopper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20100032298A KR101184248B1 (en) 2010-04-08 2010-04-08 A fairleader having a chain stopper

Publications (2)

Publication Number Publication Date
KR20110112997A KR20110112997A (en) 2011-10-14
KR101184248B1 true KR101184248B1 (en) 2012-09-21

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KR20100032298A KR101184248B1 (en) 2010-04-08 2010-04-08 A fairleader having a chain stopper

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WO (1) WO2011126171A1 (en)

Cited By (2)

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KR101434151B1 (en) * 2013-03-22 2014-09-25 삼성중공업 주식회사 Chain locking system used for turret
KR20160026061A (en) * 2014-08-29 2016-03-09 삼성중공업 주식회사 Apparatus for moor floating platform

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KR200482446Y1 (en) 2012-10-10 2017-01-24 대우조선해양 주식회사 Fairlead for studless chain of floating structure
CN103264753B (en) * 2013-05-23 2015-08-26 中国人民解放军总后勤部军事交通运输研究所 Mooring screw vertical anchorage bindiny mechanism waterborne
CN103661812A (en) * 2013-11-25 2014-03-26 南通力威机械有限公司 Chain cable fairlead for ship platform
FR3026085B1 (en) 2014-09-19 2018-01-12 Nov-Blm CHAUMARD DESTINATES TO COOPERATE WITH AN ANCHORAGE CHAIN, FOR A FLOATING SYSTEM ANCHORING SYSTEM ON THE GROUND
CN105480379B (en) * 2015-11-24 2017-10-03 中船黄埔文冲船舶有限公司 The processing method of card anchor in a kind of drawing anchor testing
FR3049925B1 (en) * 2016-04-11 2018-05-04 Dcns GUIDE BOILER FOR AN ANCHORING ELEMENT OF AN OFFSHORE STRUCTURE
CN106080966B (en) * 2016-07-01 2018-04-10 中船黄埔文冲船舶有限公司 The processing method of anchor station card anchor in a kind of drawing anchor testing
CN106428412B (en) * 2016-08-31 2018-09-07 中船黄埔文冲船舶有限公司 The test method of anchor lip in a kind of drawing anchor testing
KR102473806B1 (en) * 2018-09-28 2022-12-02 삼성중공업 주식회사 Ice breaking apparatus
CN111332409B (en) * 2020-04-22 2023-09-19 大连海事大学 Chain stopper and use method thereof
KR102320119B1 (en) * 2020-06-16 2021-11-03 (주)에쓰에이오프쇼어 Mooring line tension adjustment apparatus
KR102585303B1 (en) * 2022-01-11 2023-10-06 장훈 Method for preparing liquefied composition with nipa fruticans wurmb
KR102641409B1 (en) * 2022-03-22 2024-02-27 한국해양과학기술원 fairlead chain stopper for offshore structure mooring system
KR102641410B1 (en) * 2022-03-25 2024-02-27 한국해양과학기술원 submersible mooring pulley for offshore structure mooring system

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US5845893A (en) * 1997-03-14 1998-12-08 Bardex Engineering, Inc. Underwater self-aligning fairlead latch device for mooring a structure at sea
US7104214B2 (en) * 2003-10-03 2006-09-12 Hydralift Amclyde, Inc. Fairlead with integrated chain stopper
KR100918662B1 (en) * 2009-03-19 2009-09-22 미래산업기계 주식회사 Chain stopper

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
KR101434151B1 (en) * 2013-03-22 2014-09-25 삼성중공업 주식회사 Chain locking system used for turret
KR20160026061A (en) * 2014-08-29 2016-03-09 삼성중공업 주식회사 Apparatus for moor floating platform
KR101625381B1 (en) 2014-08-29 2016-06-02 삼성중공업 주식회사 Apparatus for moor floating platform

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Publication number Publication date
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WO2011126171A1 (en) 2011-10-13

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