KR101139417B1 - anti-spray fence for arctic ship - Google Patents

anti-spray fence for arctic ship Download PDF

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Publication number
KR101139417B1
KR101139417B1 KR1020100025527A KR20100025527A KR101139417B1 KR 101139417 B1 KR101139417 B1 KR 101139417B1 KR 1020100025527 A KR1020100025527 A KR 1020100025527A KR 20100025527 A KR20100025527 A KR 20100025527A KR 101139417 B1 KR101139417 B1 KR 101139417B1
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KR
South Korea
Prior art keywords
fence
water spray
water
hinge device
lower fence
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KR1020100025527A
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Korean (ko)
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KR20110106490A (en
Inventor
선재욱
이경완
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에스티엑스조선해양 주식회사
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Priority to KR1020100025527A priority Critical patent/KR101139417B1/en
Publication of KR20110106490A publication Critical patent/KR20110106490A/en
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Publication of KR101139417B1 publication Critical patent/KR101139417B1/en

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Cleaning Or Clearing Of The Surface Of Open Water (AREA)

Abstract

The present invention relates to a water spray prevention fence for polar ships, conventionally, only a simple water fence is installed, the container is frozen by water spray over the water fence is attached to each other difficult to unload. In order to prevent this, the present invention consists of a lower fence acting as a water fence and an upper fence inclined at an upper portion of the lower fence, and by installing a hinge device to adjust the inclination angle of the upper fence and bent in a bent form. It is characterized by the configuration to reduce the air resistance while blowing away the water spray.

Description

Anti-spray fence for arctic ship

The present invention relates to a water spray prevention fence for polar sailing vessels, and in particular to install an inclined upper fence inclined to the upper portion of the lower fence acting as a water barrier fence to minimize the impact of the water spray on the container shipped A water spray resistant fence for a polar sailing vessel.

Most container ship bows are provided with a breakwater (3) as shown in Figure 1, which serves to block the green water (sea water) is a phenomenon that the seawater comes to the deck during operation of the ship Prevents container flooding and damage

By the way, in the case of container ships operating in the polar region, when the water is operating at low speed, the seawater rises or the water spray does not occur well, but when it is operated above 10 knots, the water spray is applied to the bow. Is generated so that it sticks to the container and the containers are attached to each other.

Figure 2 is a photographic view of the ice covered with polar container vessels. If this happens, the container will not be unloaded or the corner fitting will be blocked by ice, making it difficult to unload.

3 is an explanatory view of a water barrier fence air flow of an existing container ship.

In the bow portion of the general container ship 1, a simple vertical water barrier fence 3 is installed to prevent sea water from jumping on the shipped container 2. As such, the existing container ship 1 may be provided with a breakwater fence 3 to block seawater coming from below, but the air flow behind the breakwater fence 3 is formed as shown in FIG. 3. This prevents the phenomenon that water spray adheres to the container 2. That is, since the air flows through the fence 3 in the form of a vertical wall, the water spray is attached to the container 2 according to the air flow. In this case, since the container is frozen as shown in FIG.

As shown in FIG. 3, some ships operate by raising the height of the water barrier fence 3 to prevent water spray over the water barrier fence 3, but this also obscures the field of view with air resistance.

In the existing technology, there is a vessel (patent 10-0720295) equipped with an air resistance reduction device, but it is proposed to install a round fence on both sides of the bow portion to reduce the air resistance to the front of the container. It can only be seen as a fence attached to the bow to reduce air resistance, and it is difficult to prevent water spray in the polar region.

The present invention is to provide a water spray prevention fence for the polar sailing vessel to minimize the air resistance while preventing the water spray from colliding with the container in the polar sailing container ship as described above.

The water spray prevention fence according to the present invention is characterized by consisting of a lower fence for the role of the water barrier fence, and the upper fence of the inclined structure is installed on the lower fence to blow away the water spray.

The water spray prevention fence according to the present invention is characterized in that the upper fence installed on the upper portion of the lower fence is installed to adjust the inclination angle by the hinge device.

In addition, the water spray prevention fence according to the present invention is characterized in that the lower fence and the upper fence is installed to minimize the air resistance by installing a reverse V-shape.

The water spray prevention fence,

The lower fence is installed in a bent form such that the installation angle α on both sides with respect to the center line toward the bow portion, the installation angle α is characterized in that the range of 40 degrees ≤ α ≤ 90 degrees.

In addition, the lower fence is composed of a curved shape concave inwardly between the lower end and the upper end, the width of the curved portion of the lower fence is characterized in that 0fl ~ 0.5fl when the height of the lower fence is fl.

The hinge device includes a motor fixedly installed on an upper portion of the lower fence, a rotating shaft rotatably installed by the motor, and fixedly coupled to the upper fence at a long side; Bearings installed at both ends of the rotation shaft to rotatably support a friction force with a lower fence; It characterized in that it comprises a hinge device housing for protecting the motor and the bearings at both ends by covering each cover.

The hinge device may be configured to adjust the inclination angle β of the upper fence with respect to the lower fence in a range of 0 degrees ≤ β ≤ 70 degrees.

The water spray prevention fence for the polar sailing vessel according to the present invention basically serves as a water barrier fence and prevents the water spray from directly hitting the container as the water spray from the front flies away in the upper fence. By doing so, the freezing phenomenon can be prevented. In addition, the angle of inclination of the upper fence can be adjusted to actively cope with the occurrence of water spray according to the waves, wind and operating speed. In addition, the fence is bent to the left and right sides and the upper fence is inclined so that the wind blowing from the front side can be flowed to the side and the upper can also reduce the air resistance.

1 is a block diagram of the construction of a conventional polar container container ship.
Figure 2 is a photographic view covered with ice on a polar ship operating container ship.
3 is an explanatory view of a water barrier fence air flow of an existing container ship.
Figure 4 is a schematic view of a water spray prevention fence for the polar ship operating according to the present invention.
Figure 5 is an explanatory view of the lower fence installation angle of the water spray prevention fence according to the present invention.
6 is a functional explanatory diagram of a water spray prevention fence according to the present invention.
7 and 8 are a block diagram of a hinge device of the water spray prevention fence according to the present invention.
9 is an explanatory view of the installation angle of the lower fence and the upper fence according to the present invention.

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

Figure 4 is a schematic configuration of the water spray prevention fence for the polar ship operating according to the present invention, Figure 5 is an explanatory view of the lower fence installation angle of the water spray prevention fence according to the present invention, Figure 6 is a water spray prevention according to the present invention This is a functional explanatory diagram of the fence.

The water spray prevention fence according to the present invention is composed of a lower fence 10 for the role of the water barrier fence, and the upper fence 20 of the inclined structure is installed on the lower fence 10 to blow away the water spray. .

In addition, the water spray prevention fence according to the present invention, the upper fence 20 installed on the upper portion of the lower fence 10 is installed to adjust the inclination angle by the hinge device (30).

In addition, as shown in Figure 5, the water spray prevention fence according to the present invention, when viewed from the front of the bow portion, the lower fence 10 is installed in a structure in which both sides are inclined at an installation angle α, respectively, the lower fence 10 is It is configured in a concave curved shape inwardly between the lower end and the upper end.

7 and 8 are configuration diagrams of the hinge device of the water spray prevention fence according to the present invention.

The hinge device 30, the motor 31 is fixedly installed on the upper portion of the lower fence 10, and is rotatably installed by the motor 31 and is fixed to the upper fence 20 is fixed to the side long. A rotating shaft 32; Bearings 33 which are installed at both ends of the rotation shaft 32 to support the rotatable lowering force with the lower fence 10; It comprises a hinge device housing 34 for protecting the motor 31 and the bearing 33 at both ends by covering each cover.

The motor 31 is fixedly installed at the end of the lower fence 10, the motor 11 is connected to the rotary shaft 32, the upper fence 20 is fixedly coupled to the rotary shaft 32, the bearing 33 ) Is provided so that the rotating shaft 32 can be rotated by the motor (31).

In addition, the rotating shaft 32 can be rotated even in a state separated from the lower fence (10). The hinge device housing 34 protects the motor 31 and the bearing 33 of the hinge device from freezing.

Therefore, in the method of adjusting the inclination angle of the upper fence 20, the installation angle of the upper fence 20 can be adjusted according to the angle of rotating the rotating shaft 32 by driving the motor 31.

9 is an explanatory view of the installation angle of the lower fence and the upper fence according to the present invention.

The installation angle α of the lower fence 10 and the angle β range of the upper fence 20 are as follows.

40 degrees ≤ α ≤ 90 degrees, 0 degrees ≤ β ≤ 90 degrees

When installing the fence below the lower fence installation angle α of 40 degrees occupies a lot of space of the fore part. In addition, the resistance is expected to increase above 90 degrees. The upper fence installation angle β is configured so that the upper fence can be rotated almost 360 degrees by using a hinge device, the use range is 30 degrees to 90 degrees, and the hinge device is configured to adjust the inclination angle of the upper fence. .

The height 41 of the lower fence 10 is 5-15 m, and the length 43 of the upper fence 20 is 2-10 m. And the width 42 of the curved portion of the lower fence 10 is 0fl ~ 0.5fl when the height of the lower fence 10 is fl. If the width of the bend is more than 0.5fl, the structural reinforcement or the size of the member must be increased to withstand the weight of the upper fence, and the bend makes it easy to drain the water to the bow.

The water spray prevention fence according to the present invention, the height of the lower fence (10) to the maximum as long as the field of view is secured to prevent the adhesion between containers due to gusts and water spray (water spray) and the upper fence 20 Attach it at an angle. When the water spray prevention fence of the present invention is installed, the sea water can be blocked by using the lower fence 10, the upper fence 20 changes the flow of air blows away the water spray. Even if the water spray that is blown away blows and sits down, the amount is small. In addition, since the upper fence 20 and the lower fence 10 are hydrodynamically advantageous in shape, resistance to air during driving can also be reduced.

As such, the present invention includes a lower fence 10 and an upper fence 20, and a hinge device 30 is installed between the upper fence 20 and the lower fence 10 as shown in the side view of FIG. The angle of inclination can be adjusted. The upper fence 20 serves to blow the water spray away by changing the flow of air, the lower fence 10 to prevent the sea water from entering. In addition, it is connected to the hinge device 30 to adjust the angle of the upper fence 20 according to the situation can be effectively prevent the water spray.

In addition, the present invention by installing the fence in the form bent to the left and right when viewed from the front of the bow portion flows the wind coming from the front of the bow portion on both sides and also in the upper fence can be inclined upward to minimize the air resistance.

1: container line 2: container
3: water fence
10: lower fence 20: upper fence
30: hinge device 31: motor
32: rotating shaft 33: bearing
34: hinge device housing

Claims (5)

In water spray prevention fence for polar sailing vessel,
A lower fence 10 installed in a bent shape such that the installation angle α (the installation angle α is in the range of 40 degrees ≤ α ≤ 90 degrees) with respect to the center line facing the bow portion, and serves as a water barrier fence;
Is installed on the lower fence 10 to adjust the angle of inclination by the hinge device 30 is composed of the upper fence 20 of the inclined structure to blow away the water spray to the upper side,
The hinge device 30,
A motor 31 fixedly installed on the upper portion of the lower fence 10 and a rotation shaft 32 rotatably installed by the motor 31 and fixedly coupled to the upper fence 20 in a long side; Bearings 33 which are installed at both ends of the rotation shaft 32 to support the rotatable lowering force with the lower fence 10; And a hinge device housing (34) for covering and protecting the motor (31) and the bearings (33) at both ends thereof, respectively.
delete delete The method of claim 1, wherein the lower fence 10
Consists of a concave curved shape between the lower end and the upper end inward,
The width 42 of the curved portion of the lower fence 10 is a water spray prevention fence for polar sailing vessels, characterized in that 0fl ~ 0.5fl when the height of the lower fence (10).
delete
KR1020100025527A 2010-03-23 2010-03-23 anti-spray fence for arctic ship KR101139417B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100025527A KR101139417B1 (en) 2010-03-23 2010-03-23 anti-spray fence for arctic ship

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100025527A KR101139417B1 (en) 2010-03-23 2010-03-23 anti-spray fence for arctic ship

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KR20110106490A KR20110106490A (en) 2011-09-29
KR101139417B1 true KR101139417B1 (en) 2012-04-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101412490B1 (en) * 2012-09-14 2014-07-01 삼성중공업 주식회사 Manufacturing unit for wind deflector used for ship, and manufacturing method for wind deflector using the same
KR20160142600A (en) 2015-06-03 2016-12-13 대우조선해양 주식회사 Cold protection apparatus for upper cargo on container ship

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101368891B1 (en) * 2012-04-26 2014-03-04 삼성중공업 주식회사 Apparatus for redusing air resistance for vessel

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6274792A (en) 1985-09-30 1987-04-06 Noboru Hamada Marine structure
JPH03153489A (en) * 1989-11-09 1991-07-01 Nkk Corp Wind pressure reducer for container ship
US20030089290A1 (en) 2001-09-27 2003-05-15 Peter Van Diepen Wave piercing bow of a monohull marine craft
KR100720295B1 (en) 2003-10-31 2007-05-21 미츠비시 쥬고교 가부시키가이샤 Ship with air-resistance reducing apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6274792A (en) 1985-09-30 1987-04-06 Noboru Hamada Marine structure
JPH03153489A (en) * 1989-11-09 1991-07-01 Nkk Corp Wind pressure reducer for container ship
US20030089290A1 (en) 2001-09-27 2003-05-15 Peter Van Diepen Wave piercing bow of a monohull marine craft
KR100720295B1 (en) 2003-10-31 2007-05-21 미츠비시 쥬고교 가부시키가이샤 Ship with air-resistance reducing apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101412490B1 (en) * 2012-09-14 2014-07-01 삼성중공업 주식회사 Manufacturing unit for wind deflector used for ship, and manufacturing method for wind deflector using the same
KR20160142600A (en) 2015-06-03 2016-12-13 대우조선해양 주식회사 Cold protection apparatus for upper cargo on container ship

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