KR200472004Y1 - Heli-deck having water draining structure - Google Patents

Abstract

A helicopter deck having a drainage structure is provided. The helicopter deck includes a deck upper plate disposed in a horizontal direction, a deck lower plate disposed parallel to the deck upper plate at a lower portion of the deck upper plate, a support frame interposed between the deck upper plate and the deck lower plate to support the deck upper plate, And at least one catchment hole formed through the deck plate, wherein the support frame is positioned below the catchment hole and extends obliquely from the deck plate with the catchment hole interposed therebetween, so that one surface is in contact with each other. A first inclined frame, a pair of second inclined frames extending obliquely from the lower deck plate toward the deck upper plate, one surface of which is in contact with each other, one end of which is connected to a joint surface of the first inclined frame, and the other end of the second inclined frame; It is connected to the joint surface of the frame, and vertically supporting the first tilt frame and the second tilt frame It includes a vertical frame.

Description

Helicopter deck with drainage structure {Heli-deck having water draining structure}

The present invention relates to a helicopter deck installed in a ship or the like, and more particularly, to a helicopter deck having a drainage structure.

Helicopter decks are installed on large special ships designed for specific purposes, such as drilling ships and transfer ships for storing and transporting unstable cargo such as crude oil or LNG. Helicopter deck is a planar structure as disclosed in the Republic of Korea Patent Publication No. 10-2012-0053280, etc., to form a separate deck (deck / deck) in which the helicopter can take off and land vertically on one side of the ship. Helicopter decks can be installed not only on special ships, but also on large ships, such as tankers and cargo ships, offshore structures, or, if necessary, on high-rise buildings inland.

Such a helicopter deck is subjected to large and small external forces due to self-loading of the target helicopter, upward thrust by the rotor (Rotar) applied directly to the deck when the helicopter is injured, and thus deformation occurs. Helicopter decks are solidly built to prevent damage and consequently and to allow the target helicopter to take off and land stably.

 Conventional helicopter decks, using a metal frame made of aluminum, stainless steel, or other alloys to increase rigidity and reduce weight, and structural stability by adopting a strut structure that vertically connects the upper and lower plates of the deck. . However, it was difficult to ensure sufficient stability with the conventional structure that merely connects the deck top plate and the bottom plate vertically.

In addition, the conventional helicopter deck, the top of the modular deck is closely coupled to each other to maintain the rigidity, so that rainwater accumulated on the top of the helicopter deck, or oil fuel flowing out of the helicopter during unstable takeoff and landing in the ocean of the deck It was difficult to be easily discharged to the outside.

Accordingly, fluids such as rainwater that have not been discharged are maintained inside the deck to substantially increase the load of the entire deck, which in turn causes a problem of lowering the structural stability of the helicopter deck. This can be aggravated in times of bad weather and heavy rain, as in the ocean. In addition, there is a problem that the fluid such as oil that is not quickly discharged contaminates the top or the interior of the deck.

Republic of Korea Patent Publication No. 10-2012-0053280, (2012.05.25)

The technical problem of the present invention for solving such a problem situation is to provide a helicopter deck with a drainage structure that can improve the structural stability of the helicopter deck and at the same time can quickly discharge rainwater or other pollutants.

The technical problem of the present invention is not limited to the technical problem mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description.

Helicopter deck formed with a drainage structure according to the present invention, the deck top plate disposed in the horizontal direction; A deck lower plate disposed in parallel with the deck upper plate at a lower portion of the deck upper plate; A support frame interposed between the deck upper plate and the deck lower plate to support the deck upper plate; And at least one catchment hole formed through the deck top plate, wherein the support frame is disposed below the catchment hole and extends obliquely from the deck top plate with the catchment hole interposed therebetween, so that one surface is in contact with each other. A first inclined frame, a pair of second inclined frames extending obliquely from the lower deck to the deck upper plate, one surface of which is in contact with each other, one end of which is connected to a joint surface of the first inclined frame and the other end of the second inclined frame; It is connected to the joint surface of the inclined frame, and includes a vertical frame for vertically supporting the first inclined frame and the second inclined frame.

The deck upper plate, the lower deck plate and the support frame have the same cross-sectional shape and extend in one direction, and the cross-sectional shape of the first inclined frame has the deck upper plate as the base and the joining surface of the first inclined frame is opposite thereto. It may be an inverted triangle shape to the vertex.

An inverted triangle formed by the cross-sectional shape of the first inclined frame may have a height, which is a vertical distance from the deck top plate to the joining surface of the first inclined frame, gradually increasing or decreasing in a longitudinal direction from one side of the deck top plate to the other side. .

The inverted triangle formed by the cross-sectional shape of the first inclined frame may be gradually higher as the height is lower in the center and directed to both ends.

The helicopter deck may further include a water collecting groove formed by recessing the deck upper plate toward the water collecting hole.

The catchment groove may form a valley along the first inclined frame, and the catchment hole may be formed in a plurality at a predetermined interval inside the catchment groove.

Helicopter deck formed with a drainage structure according to the present invention, it is possible to quickly discharge the contaminants such as rain water and oil accumulated on the deck to the outside of the deck, it is possible to effectively distribute the external force applied to the deck, the entire helicopter deck It has the effect of improving the structural stability of the deck and at the same time prevent contamination of the deck.

1 is a perspective view of a ship equipped with a helicopter deck having a drainage structure according to an embodiment of the present invention.
2 is a perspective view showing the internal structure of the helicopter deck installed in the vessel of FIG.
3 is a cross-sectional view taken along line AA ′ of the helicopter deck of FIG. 2.
4 is a longitudinal cross-sectional view of the helicopter deck of FIG. 3 taken along line BB ′.
FIG. 5 is a graph showing a deformation degree of the helicopter deck of FIG. 2 compared to the conventional force.
FIG. 6 is a view illustrating a drainage process of the helicopter deck of FIG. 2.
7 is a perspective view of a helicopter deck having a drainage structure according to a second embodiment of the present invention.
8 is a perspective view of a helicopter deck having a drainage structure according to a third embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of attaining them will become apparent with reference to the embodiments described in detail with reference to the accompanying drawings. It should be understood, however, that the present invention is not limited to the disclosed embodiments, but may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, It is intended to give the owner a complete indication of the category of design, and the design is only defined by the claims. Like reference numerals refer to like elements throughout the specification.

Hereinafter, a helicopter deck having a drainage structure according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 6.

1 is a perspective view of a ship equipped with a helicopter deck having a drainage structure according to an embodiment of the present invention.

First, referring to FIG. 1, the helicopter deck 10 having a drainage structure according to an embodiment of the present invention is a planar structure as shown, and is disposed in a horizontal direction so that a contact helicopter can easily take off and land in a vertical direction. I can do it. The helicopter deck 10 is built on one side of the ship 1, for example, the main structure (upper surface of the hull: the main deck) of the upper structure of the ship 1 to provide a cabin or bridge (bridge), etc. ( It can be installed on the superstructure, and can be stably connected to the ship 1 by using a steel frame structure such as a truss. In this case, the vessel 1 may be, for example, a drilling vessel that accommodates a drilling tower and various drilling equipment on the main deck, but is not limited thereto, and a large vessel such as an oil tanker or a cargo ship, or a general vessel (1). It may include all of the maritime structures that do not have the form of).

On the other hand, since the ship 1 is mainly staying at sea, it is continuously exposed to bad weather such as heavy rain, and thus, excessive rain water is often accumulated on the upper part of the helicopter deck having a flat shape. At this time, when the rainwater is not discharged quickly, the rainwater that is not discharged is maintained on the top of the deck or flows into the deck, and increases the weight of the helicopter deck as a whole, and eventually decreases the structural stability of the helicopter deck. In addition, during the cold season, the snow melted on the upper part of the helicopter deck, or the rainwater falling with the snow freezes to form ice sheets, so that the safe takeoff and landing of the helicopter is hindered.

In addition, there may be oil fuel leaking above the helicopter deck due to the helicopter's unstable takeoff and landing. These oil fuels stick to the top of the helicopter deck and are not erased or introduced inside and contaminate the deck.

Helicopter deck 10 formed with a drainage structure according to the present invention can quickly discharge the pollutants such as oil fuel, as well as rainwater pouring to the top of the deck, thereby improving the structural stability of the helicopter deck, You can keep the entire helicopter deck clean. In addition, the drainage structure is not formed separately, but using a support structure formed inside the deck to effectively distribute the external force applied to the helicopter deck, has the advantage that does not require a complicated configuration. As a result, the helicopter deck 10 having the drainage structure is easily discharged from rainwater and pollutants, and can be more structurally stable.

Hereinafter, each component is described in more detail.

2 is a perspective view showing the internal structure of the helicopter deck installed in the vessel of FIG.

Subsequently, referring to FIG. 2, the helicopter deck 10 having a drainage structure may be composed of a deck body 10a positioned at an upper portion thereof and a support portion 10b positioned at a lower portion thereof to support the deck body 10a.

Deck body (10a) is a deck upper plate 100 disposed in the horizontal direction, the deck lower plate 200 disposed in parallel with the deck upper plate 100 in the lower portion of the deck upper plate 100, the deck upper plate 100 and the deck lower plate ( It includes a support frame 300 interposed between the 200 to support the deck top plate 100, and at least one collecting hole 110 formed through the deck top plate 100. The deck upper plate 100, the deck lower plate 200, the support frame 300 has the same cross-sectional shape (cross-sectional shape cut along the x-axis direction on the drawing) as shown in the longitudinal direction (y-axis direction on the drawing) It can be configured in the form of a long extension, one and the other is closely coupled to each other along the transverse direction (x-axis direction on the drawing) to form the deck body (10a).

On the other hand, the support portion 10b is a horizontal beam 410 disposed in close contact with the deck lower plate 200 in the above-described transverse direction, and a vertical beam 420 stacked in the longitudinal direction stacked with the horizontal beam 410 The combination plate 430 may be coupled between the horizontal beam 410 and the vertical beam 420. The connecting plate 430 is interposed between the horizontal beam 410 and the vertical beam 420 to increase the coupling strength between the horizontal beam 410 and the vertical beam 420 perpendicular to each other, the horizontal beam 410 located on the top And a buffer function between the vertical beam 420 located below. The horizontal beam 410, the vertical beam 420, and the connecting plate 430 may be easily coupled to each other through a bolt coupling method. The helicopter deck 10 having a drainage structure including the deck body 10a and the supporting portion 10b is formed of, for example, an aluminum alloy or stainless steel to improve hardness and reduce weight. can do.

At this time, the holding frame 300 interposed between the deck upper plate 100 and the deck lower plate 200 is not simply connected in a straight line between the deck upper plate 100 and the deck lower plate 200, the vertical direction ( Deck plate 100 through a combination of the vertical frame 330 disposed in the z-axis direction in the drawing, and the first inclined frame 310 and the second inclined frame 320 connected to both ends of the vertical frame 330. ) And the lower deck plate 200 will be supported in three dimensions. This effectively distributes the external force applied to the deck to reduce the deformation of the entire deck, it is possible to improve the structural stability.

In addition, the first inclined frame 310 is disposed in a shape that is open toward the collection hole 110 directly below the collection hole 110, rainwater or oil introduced into the collection hole 110 by using the characteristics of this shape. It can function as a drain to quickly discharge pollutants such as fuel. That is, the strut frame 300 primarily improves the structural stability of the helicopter deck 10 in which the drainage structure is formed, and also forms the drainage structure together with the collection hole 110 so that the weight of the deck due to the inflow of rainwater. This is to suppress the increase of and, secondly, to prevent degradation of the structural stability of the entire deck. In addition, this drainage structure can be quickly discharged pollutants such as oil fuel as well as water to prevent the deck from being contaminated.

Hereinafter, a support structure formed by the deck upper plate 100, the deck lower plate 200, and the support frame 300 and the drainage structure including the collecting hole 110 will be described with reference to FIGS. 3 to 6. It explains in detail. Hereinafter, in order to more clearly explain the gist of the present invention, the illustration of the support 10b is omitted in the helicopter deck 10 in which the drainage structure is formed.

FIG. 3 is a cross-sectional view of the helicopter deck of FIG. 2 taken along line AA ′, and FIG. 4 is a longitudinal cross-sectional view of the helicopter deck of FIG. 3 taken along line BB ′, and FIG. 5 is a diagram illustrating a deformation degree of the helicopter deck of FIG. 2 with respect to external force. It is a graph compared with the conventional.

Referring to FIG. 3, the deck top plate 100 is first arranged in parallel in the horizontal direction (the x-axis direction on the drawing and the same as the transverse direction described above). Therefore, the helicopter can easily take off and land on the deck top plate 100 in the vertical direction. In addition, the connection portion 130 is formed at the end of the deck upper plate 100 to be in close contact with the adjacent deck upper plate 100. The connecting portion 130 is formed in a form that can be engaged with each other, for example, may be coupled through a fitting coupling.

Deck lower plate 200 is also disposed in parallel with the deck upper plate (100). The lower deck plate 200 is positioned at the lower portion of the deck upper plate 100 at regular intervals, it may be supported in contact with the above-described support (10b). At this time, the lower deck plate 200 may be formed in a relatively narrow width than the deck upper plate (100).

The collecting hole 110 is formed through the deck top plate 100. A plurality of collecting holes 110 may be formed, and may be formed in a line along the deck top plate 100 in one direction, for example, in a longitudinal direction (y-axis direction on the drawing) illustrated in FIG. 2. The plurality of collecting holes 110 function as an inlet through which rainwater or other pollutants accumulated in the deck top plate 100 are introduced. The collecting hole 110 and the drainage structure including the same will be described later in more detail.

The strut frame 300 includes a vertical frame 330 extending in a vertical direction (z-axis direction on the drawing) and a first inclined frame 310 and a second inclined frame 320 connected to both ends of the vertical frame 330. It includes.

The first inclined frame 310 is located below the collecting hole 110 and a pair is formed. The first inclined frame 310 extends at an angle toward each other downwardly below the deck top plate 100 with the collecting hole 110 interposed therebetween, so that one surface is in contact with each other. A joining surface 311 is formed and connected to the end of the vertical frame 330. Accordingly, the first inclined frame 310 is a cross-sectional shape (cross-sectional shape cut along the x-axis direction on the drawing) as shown in the deck top plate 100 to the bottom side and the joining surface 311 facing it An inverted triangle shape can be achieved.

That is, the first inclined frame 310 is connected to one end of the vertical frame 330 and the deck top plate 100, it is connected three-dimensionally in a form unfolded toward the deck top plate 100 from the vertical frame 330. When the helicopter takes off and lands, the external force exerted on the deck plate 100 by the weight of the helicopter and the thrust of the rotor is not merely formed in the vertical direction (z-axis direction on the drawing), but in the vertical direction and the transverse direction ( X-axis direction on the drawing) may be formed in a complex direction mixed with each other. Therefore, the deck top plate 100 is deformed into an unexpected shape, the conventional support structure was only weak to the external force applied in the transverse direction only to distribute the external force in the vertical direction. The first inclined frame 310 constituting the support structure of the inverted triangle shape effectively distributes the external force in the vertical direction and the transverse direction through the inclined structure and transmits it to the vertical frame 330 to effectively reduce the amount of deformation of the deck top plate 100. It can be done.

The second inclined frame 320 is connected to the deck lower plate 200. The second inclined frame 320 is also a pair is formed, each extending obliquely toward the deck upper plate 100 from the lower deck plate 200, one surface is in contact with each other, the bonding surface 321 is formed on the contact surface. Like the first inclined frame 310, the joint surface 321 of the second inclined frame 320 may also be connected to the end of the vertical frame 330 to form a triangular shape of the deck bottom plate 200 as a base. Therefore, the second inclined frame 320 may also effectively transmit the external force applied to the deck lower plate 200 to the vertical frame 330. On the contrary, the second inclined frame 320 may be transmitted from the deck upper plate 100 through the vertical frame 330. By dispersing the external force again will be delivered to the deck lower plate 200. In this case, each of the first inclined frame 310 and the second inclined frame 320 forming a cross-sectional shape of an inverted triangle and a triangle may form a symmetrical structure with respect to the vertical frame 330.

The vertical frame 330 is disposed in the vertical direction, one end is connected to the joint surface 311 of the first inclined frame 310, the other end is connected to the joint surface 321 of the second inclined frame 320, respectively. Thus, the first inclined frame 310 and the second inclined frame 320 are vertically supported. Since the external force applied to the deck upper plate 100 and the deck lower plate 200 may be concentrated to the vertical frame 330 through the first inclined frame 310 and the second inclined frame 320, respectively, the vertical frame 330 Should have sufficient hardness and elasticity to withstand it. When the thickness of the vertical frame 330 is increased or the vertical length of the vertical frame 330 decreases, the hardness may be increased. On the contrary, when the thickness of the vertical frame 330 is reduced or the vertical length is increased. Elasticity may increase. Therefore, the thickness and length of the vertical frame 330 should be appropriately adjusted to match the hardness and elasticity.

In addition, at least one auxiliary frame 340 may be installed on both sides of the support frame 300 to reinforce the support frame 300, thereby improving the support force of the vertical frame 330. As shown, the auxiliary frame 340 is disposed in an inclined direction inclined at a predetermined angle toward the deck lower plate 200 in a vertical direction or a relatively narrow width, and directly between the deck upper plate 100 and the deck lower plate 200. It can be formed to connect.

Through the interaction between the first inclined frame 310, the second inclined frame 320, and the vertical frame 330, the structural stability of the helicopter deck 10 in which the drainage structure is formed can be improved.

5, the upper portion of Figure 5 shows the displacement (Displacement) of each part by the millimeter unit by the external force applied to the helicopter deck having a drainage structure according to an embodiment of the present invention, the lower part of Figure 5 The amount of deformation of each part due to the external force applied to the conventional helicopter deck is shown. Each applies the same load under the same weight conditions, and each color continuously represents the degree of deformation from the maximum value to the minimum value (0) of the deformation amount. If the maximum value of the deformation amount is different, the same color may correspond to the measured value of the different deformation amount.

Looking specifically at this, in the case of the helicopter deck formed with a drainage structure according to an embodiment of the present invention, the maximum value of the deformation amount is shown as 3.91, it can be seen that the deformation amount of the remaining portions are formed below. On the other hand, in the case of the conventional helicopter deck, the maximum deformation amount is relatively high as 5.43, and among the remaining portions of the deck deck, areas having a deformation amount approaching or exceeding the maximum deformation amount of the helicopter deck in which the drainage structure according to the present invention is formed are formed. It can be seen that. Therefore, the helicopter deck having the drainage structure is configured to effectively disperse external force applied to the deck top plate and minimize deformation of the deck top plate through the holding frame structure in which the first inclined frame, the second inclined frame, and the vertical frame are combined. .

3 and 4, the cross-sectional shapes of the first inclined frame 310 and the second inclined frame 320 are symmetrical with each other with the vertical frame 330 interposed therebetween as shown in FIG. 3. Although, the longitudinal cross-sectional shape (cross-sectional shape cut along the y-axis direction on the drawing) may be formed in a different form as shown in FIG.

That is, the first inclined frame 310 has a vertical direction between the joint surface 311 and the deck top plate 100 increases or decreases in the vertical direction (y-axis direction on the drawing) in which the collecting holes 110 are arranged in a line. It is formed to form an inclined surface along the, it is to be able to facilitate the role of the drainage in the lower portion of the collecting hole (110). At this time, the vertical distance between the joint surface 311 of the first inclined frame 310 and the deck top plate 100 is the height (h1, h2, h3) of the inverted triangle formed by the cross-sectional shape of the first inclined frame 310 It may be defined, such height may be gradually increased or lowered in the longitudinal direction toward the other side from one side of the deck top plate 100 in the first inclined frame 310.

Therefore, as shown in FIG. 4, the height of the inverted triangle, which is a cross-sectional shape of the first inclined frame 310, is the highest at the end h1 of the deck upper plate 100, and the center portion h2 of the deck upper plate 100. ) Is the lowest, and when formed between the end portion and the central portion (h3) to have a height therebetween, the lower gradually toward the end of the deck top plate 100 directly below each collection hole (110) Photo drainage is formed. At this time, each of the height (h1, h2, h3) can be changed as necessary, through this to adjust the interval between the joint surface 311 and the deck top plate 100 of the first inclined frame (310) Rainwater or pollutants introduced into the 110 may be more easily discharged.

FIG. 6 is a view illustrating a drainage process of the helicopter deck of FIG. 2.

Referring to FIG. 6, when a ship operating in the sea faces bad weather such as heavy rain, an excessive amount of rain water A falls toward the deck top plate 100. At this time, the plurality of collecting holes 110 formed through the deck upper plate 100 flows the rain water A that has fallen into the lower portion of the deck upper plate 100. Therefore, the rain water A does not accumulate on the deck upper plate 100. At this time, the collecting holes 110 are shown to be the same in size, but is not limited thereto, each of the collecting holes 110, for example, is formed to sequentially decrease or increase the diameter, or rain water (A) This frequent hook may be formed to maintain a relatively large diameter only around a specific portion of the deck top plate 100. In addition, the number of the collecting holes 110 may also be increased or decreased, for example, by increasing the number around the specific portion of the deck top plate 100 that the rain water (A) is often accumulated or is considered to be possible. It can also be deployed intensively.

Rainwater A introduced through the collecting hole 110 flows along the first inclined frame 310. Since the first inclined frame 310 is formed to have a downward slope toward the end of the deck top plate 100 directly below the collection hole 110, the rainwater A introduced is the first inclined frame 310 in the longitudinal direction It is easily discharged to the outside of the deck along the inclination formed in (y direction in Fig. 4). In this case, the first inclined frame 310 may be formed in a symmetrical form with respect to the center of the deck upper plate 100 to form downward slopes toward both ends of the deck upper plate 100, respectively.

Therefore, the rainwater introduced through the collecting hole 110 is quickly discharged to the outside of the deck without being maintained on the inside or inside the helicopter deck 10 in which the drainage structure is formed. Through this discharge action, it is possible to suppress the weight increase of the entire deck due to the excessive inflow of rainwater, and ultimately prevent the deterioration of the structural stability of the deck.

On the other hand, contaminants such as oil fuel leaked from the helicopter can also be quickly discharged in the same manner, so that the contamination of the helicopter deck 10 in which the drainage structure is formed can be prevented.

Hereinafter, other embodiments of the present invention will be described in detail with reference to FIGS. 7 and 8. In each of the embodiments, the remaining portions except for the shape change of the deck top plate 100 are substantially the same as the first embodiment described above. Therefore, only the difference is described and the description of the remaining components that are not mentioned in place of the above description.

7 is a perspective view of a helicopter deck having a drainage structure according to a second embodiment of the present invention.

Referring to FIG. 7, the helicopter deck 10 having the drainage structure according to the second embodiment of the present invention is recessed around the collection hole 110 so that the deck top plate 100 is recessed toward the collection hole 110. And includes a collecting groove 120-1. Therefore, the collecting hole 110 is located inside the collecting groove 120-1 as shown, and the position of the collecting hole 110 may be lower than that of the deck top plate 100.

In this case, rainwater accumulated on the flat deck top plate 100 firstly descends along the catchment groove 120-1 and reaches the inside of the catchment groove 120-1, and then flows back into the catchment hole 110. As a result, rainwater and pollutants can be discharged more smoothly. Preferably, the collecting hole 110 may be formed at the innermost bottom of the collecting groove 120-1, and the collecting groove 120-1 may be formed to have a circular shape around the collecting hole 110. In addition, the concave connection surface between the collecting hole 110 and the collecting groove 120-1 may be formed to have a flexible curved surface to form an appropriate downward slope toward the collecting hole 110.

8 is a perspective view of a helicopter deck having a drainage structure according to a third embodiment of the present invention.

Subsequently, referring to FIG. 8, the helicopter deck 10 having the drainage structure according to the third embodiment of the present invention has a collecting groove 120-2 formed by deforming the deck top plate 100 around the collecting hole 110. Including, but the collecting groove (120-2) is formed along the extending direction of the first inclined frame 310, that is, the longitudinal direction on the present specification (ditch), the collecting hole 110 is the collecting groove (120-2) A plurality of the inside may be spaced apart at regular intervals.

As such, when the groove-shaped collecting groove 120-2 is formed, a predetermined slope is generated even in a portion where the collecting hole 110 is not located, and rainwater accumulated on the deck top plate 100 can be discharged more easily. That is, the rainwater accumulated on the deck top plate 100 flows inwardly into the collecting grooves 120-2 having a bone shape, and moves in the longitudinal direction along the collecting grooves 120-2, and collects the collecting grooves 120-2. It is introduced into the collecting hole 110 arranged inside. Through this process, rainwater can also be easily discharged. Even in this case, the collecting hole 110 is preferably formed at the innermost bottom of the collecting groove 120-2, and the connection portion between the collecting groove 120-2 and the deck top plate 100 is formed with a smooth curved surface. From the top plate 100 can be made an appropriate downward slope toward the catchment groove (120-2).

In the above, embodiments of the present invention have been described with reference to the accompanying drawings, but those skilled in the art to which the present invention pertains may be embodied in other specific forms without changing the technical spirit or essential features of the present invention. I can understand that you can. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

1: Vessel 10: Helicopter deck with drainage structure
10a: deck body 10b: support
100: deck top 110: catchment hall
120-1, 120-2: catchment groove 130: connection part
200: deck deck 300: holding frame
310: first inclined frame 311, 321: bonding surface
320: second inclined frame 330: vertical frame
340: auxiliary frame 410: horizontal beam
420: vertical beam 430: connecting plate
A: rainwater h1, h2, h3: height

Claims (6)

Deck top plate arranged in a horizontal direction;
A deck lower plate disposed in parallel with the deck upper plate at a lower portion of the deck upper plate;
A support frame interposed between the deck upper plate and the deck lower plate to support the deck upper plate; And
Including at least one collecting hole formed through the deck top plate,
The holding frame is a pair of first inclined frame which is located below the water collecting hole and extends obliquely from the deck top plate with the water collecting hole interposed therebetween, the one surface of which is in contact with each other,
A pair of second inclined frames extending obliquely from the deck lower plate toward the deck upper plate and having one surface in contact with each other; and
One end is connected to the bonding surface of the first inclined frame, the other end is connected to the bonding surface of the second inclined frame, and includes a vertical frame for vertically supporting the first inclined frame and the second inclined frame,
The cross-sectional shape of the first inclined frame is an inverted triangle shape having the deck upper plate as the bottom side and the joint surface of the first inclined frame as the vertex opposite thereto, and the cross-sectional shape of the second inclined frame is the bottom side under the deck. It's a triangular shape
The inverted triangle formed by the cross-sectional shape of the first inclined frame has a height, which is a vertical distance from the deck top plate to the joining surface of the first inclined frame, gradually increasing in a longitudinal direction from one side of the deck top plate to the other side. Helicopter deck with lower drainage structure. The method according to claim 1,
The deck upper plate, the deck lower plate and the strut frame has the same cross-sectional shape and a helicopter deck having a drainage structure extending in one direction. delete The method according to claim 1,
The inverted triangle formed by the cross-sectional shape of the first inclined frame is a helicopter deck having a drainage structure is formed as the height is the lowest in the center portion and gradually toward both ends. The method according to claim 1,
Helicopter deck having a drainage structure further comprises a water collecting groove formed by the deck top plate is recessed toward the water collecting hole. 6. The method of claim 5,
The catchment groove is formed in the valley along the first inclined frame, the collecting hole is a helicopter deck formed with a drainage structure formed a plurality of spaced apart at a predetermined interval inside the catchment groove.

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