KR20090095516A - Apparatus for preventing oil spill - Google Patents

Abstract

An oil leakage prevention device is provided to prevent the oil leakage by hermetically sealing a damaged part using the power of a hydraulic cylinder after inserting the hydraulic cylinder into a ship body. An oil leakage prevention device comprises a magnet unit(105), a cylinder unit(115), a gate(150) and a backup shaft(130). A path corresponding to the damaged part is formed in the central part of the magnet unit. The magnet unit comprises a magnet. The Path adheres closely to the damaged part of a hull(100). The cylinder unit passes through the path and the damaged part to be inserted into the hull. The cylinder unit moves a first and a second rod back and forth. The gate is hinge-coupled with the first rod. The gate closes the path of the magnet unit. A fixed shaft is hinge-coupled at the second rod of a first engaging member(135).

Description

Oil Spill Prevention Device {APPARATUS FOR PREVENTING OIL SPILL}

The present invention relates to an oil leak prevention apparatus, and more particularly, to an oil leak prevention apparatus capable of completely sealing off oil leakage from a broken portion in a short time without external help when the hull of an oil tanker is broken. It is about.

In recent years, large vessels have increased as freight is frequently transported between countries / regions. Accordingly, the use of oil (bunker C oil) is increasing day by day, the severity of marine pollution caused by oil flowing out of various vessels is increasing day by day.

In particular, when the oil carriers such as oil tankers are damaged and the oil loaded on the ship is spilled, the pollution is more severe, and a large amount of oil diffuses in an instant, so that once spilled oil is not perfect for collection work. It takes a lot of time, money, and effort.

However, until recently, such a method of collecting oil suspended in the sea, a method of collecting by a suction device by installing a fence composed of a floating member on the sea water to prevent the oil from spreading or a method of neutralizing the oil by spraying a neutralizer, While the oil is leaking, a method of using a pump to transfer to another empty tank in a ship and a method of making a tanker's hull double or triple thick are studied.

This method is not possible to collect or remove the oil mechanically and chemically afterwards, and it is impossible to collect the oil completely.In addition, the oil is continuously leaked while waiting for the control ship to come from the outside or during the control work. There is a problem that the operating cost is increased due to the heavy shipbuilding cost and weight increase caused by serious pollution and the ship is built in triple triple.

The present invention has been made to solve this problem, it is an object of the present invention to provide an oil leakage preventing device that can quickly prevent itself in the hull outflow oil from the hull.

In addition, an object of the present invention is to recover the oil from the hull before the sea spreads to reduce the cost, time and manpower, and to preserve the lost crude oil, as well as to protect the marine ecosystem and provide an oil spill prevention device to prevent damage to fisheries will be.

Oil leakage prevention device according to an embodiment of the present invention, a magnet unit is attached to one side of the hull and attached along the periphery of the hole, the passage is formed in the center portion, and a fixing device for fixing the magnet unit to the hull And a gate mounted to the magnet unit to close the passage, and a driving unit to move the gate to close the passage.

At least two shafts intersecting the passage of the magnet unit are formed, and a fixing bracket is formed at a point where the shafts intersect, and the fixing device may be mounted to the fixing bracket.

The fixing device further includes a cylinder unit for pushing or pulling a rod inserted into the hole of the hull, a first coupling member fixed to the rod, and a fixing shaft hinged to one of the coupling members. As the rod is drawn out (advanced) or inserted (retracted), the end of the fixed shaft supports the hull so that the magnet unit can be tightly fixed to the hull.

And a second coupling member fixedly connected to the first coupling member and extending from the rod, and a second coupling member formed between the probe rod and the first coupling member, wherein the guide shaft may be installed on the second coupling member. have.

Rails are formed along opposite edges of the magnet unit, and the gate is slid along the rail to block the passage of the magnet unit to prevent oil from flowing out through the magnet unit.

A recovery pipe may be disposed to pass through the magnet unit and recover oil in the magnet unit.

The driving unit may include a hydraulic cylinder connected to the gate.

It may further include a sealing member protruding on one surface of the magnet unit in contact with the hull to maintain airtightness.

The magnet unit may include a plurality of molds facing each other, and a magnet installed inside the plurality of molds, and oil resistant rubber may be interposed between the plurality of molds.

Oil leakage prevention device according to a second embodiment of the present invention, the passage is formed in the center corresponding to the perforated portion of the hull, the magnet is provided on one side, the passage is provided in the perforated portion of the hull The magnet unit being in close contact with each other, the cylinder unit which is introduced into the hull through the hole formed in the center of the magnet unit and the perforated part of the hull, advancing or retracting the first rod and the second rod, the hull of the hull A gate coupled to the first rod end facing outward and closing the passage of the magnet unit in which oil is leaked while being in close contact with the outer surface of the magnet unit when the first rod is pulled by the cylinder unit, And hinged to the first coupling member attached to the second rod of the cylinder unit, in accordance with the operation of the cylinder unit. It is opened (retracted when entering and then opened after operation), and when the second rod is pulled by the cylinder unit, one end supports the inner side of the hull to fix the gate to the outer side of the magnet unit It may include a shaft.

Inner frame is formed along the inner surface of the passage of the magnet unit, the outer frame is formed along the outer surface of the magnet unit to form a frame, at least two shafts extending in the center direction from the inner frame And a cylinder holder attached to an end of the shaft to guide the cylinder unit through the magnet unit, a first spring provided on the shaft so that one end thereof is supported by the cylinder holder, and a second holder attached to the other end of the first spring. A sliding rod, a probe rod extending from the first coupling member and drawn into a hole formed in the hull, and hinged to the second coupling member, the other end of which is connected to the first sliding member, and the probe rod is connected to the When entering into the hole, it is in close contact with the inner surface of the hole by the elastic force of the first spring, It may further include a guide shaft for guiding the magnet unit and the cylinder unit in the center of the hole.

The electronic device may further include a second spring connecting one side of the magnet unit and one side of the gate.

The fixed shaft may include a first fixed shaft whose one end is in close contact with the inner surface of the hull, a second fixed shaft whose one end is hinged to the first coupling member, and the first fixed shaft is inserted into one side and the other side thereof. The pipe may further include a pipe into which the second fixed shaft is inserted, and a third spring disposed inside the pipe to elastically support the first fixed shaft and the other side to elastically support the second fixed shaft.

One side is hinged to the second sliding member that is slidably provided in the cylinder unit, the other side further comprises a guide ring slidably connected to the fixed shaft, the guide ring is the cylinder unit is the first, second Pulling the rod may support the fixing shaft so that the gate is in close contact with the outer surface of the magnet unit to block oil from flowing out.

As described above, according to the oil leakage preventing device according to the present invention, the hydraulic cylinder is firstly entered into the hull by using the magnet unit as a damaged part of the damaged hull, and the pore part is quickly applied to a powerful hydraulic cylinder. It can be completely sealed to prevent oil from spilling.

In addition, the cylinder unit and the fixed shaft may further close the magnet unit to the outer surface of the hull to prevent oil leakage.

In addition, by forming the magnet unit in the form of a window frame, it is possible to prevent the leaking oil to leak by blocking the open portion using the gate.

Therefore, the oil ejected from the accident tanker is blocked before it spreads to the sea to protect the natural ecosystem and fisheries, and reduce the huge shipbuilding cost and operating cost according to the weight of the vessel by building the tanker in two to three times. It can prevent the waste of valuable resources that are lost.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention.

For example, this equipment can be modified and applied in the event of collision breakdown of passenger ships or cargo ships.

In the drawings, parts irrelevant to the description are omitted for clarity, and like reference numerals designate like elements throughout the specification.

Hereinafter, with reference to the accompanying drawings, it will be described in detail with respect to the oil leakage prevention apparatus according to an embodiment of the present invention.

Figure 1a is a side cross-sectional view of the oil leakage preventing device mounted on the hole portion of the tanker hull according to the first embodiment of the present invention.

Referring to Figure 1a, a hole 100a is formed in the hull 100, such as a collision accident, the oil outflow prevention device according to an embodiment of the present invention is installed into the hole (100a).

As shown, the oil leakage preventing device is a magnet unit 105, recovery pipe 110, cylinder unit 115, probe rod 120, guide shaft 125, fixed shaft 130, the first coupling member It comprises a 135, the second coupling member 140, the hydraulic hose 145, the gate 150, the reduction motor 155 and the rail 160.

The cylinder unit 115 may be installed at the center portion of the magnet unit 105, and the cylinder unit 115 may be inserted through the perforated portion of the hull 100.

The cylinder unit 115 includes a first cylinder 115a and a second cylinder 115b, and has a structure in which each bottom surface (rear end surface) is welded to each other, and the first cylinder 115a is The second rod 115b may push or pull the first rod 116a using the hydraulic pressure generated from a hydraulic motor (not shown).

In more detail, the first cylinder 115a and the first rod are disposed on the same line, and an end of the first rod is fixed to the magnet unit 105.

The second cylinder 115b is fixedly disposed on the rear surface of the first cylinder 115a, and the second rod operated by the second cylinder 115b is disposed coaxially with each other with the first rod. It may extend in the opposite direction.

The first coupling member 135 is disposed at an end of the second rod, and the probe rod 120 is connected to the first coupling member 135. As shown, the first and second rods and the probe rods 120 are preferably arranged on the same line.

The fixed shaft 130 is disposed on the first coupling member 135. One end of the fixed shaft 130 is hinged to the first coupling member 135, and the other end thereof is the hull 100. It strongly adheres to the inner side of the).

The fixed shaft 130 by the first coupling member 135 has a range of the set angle (for example, 0 to 60 degrees) with the probe rod 120, by the cylinder unit 115 The fixed shaft 130 firmly adheres the magnet unit 105 to the outer surface of the hull 100.

In the embodiment of the present invention, the magnet unit 105 is made of a strong magnet is easily in close contact with the outer surface of the hull 100. The magnet unit 105 is more firmly fixed to the outer surface of the hull 100 by the cylinder unit 115 and the fixed shaft 130.

The second coupling member 140 is disposed between the end of the probe rod 120 and the first coupling member 135. The guide shaft 125 is disposed on the second coupling member 140, and one end of the guide shaft 125 is hinged to the second coupling member 140.

The probe rod 120 is used as a tool for finding the hole 100a formed in the hull 100, and the guide shaft 125 has the cylinder unit 115 and the probe rod 120 at the hull 100. Guide to be easily inserted into the hole (100a) of the.

The guide shaft 125 is elastically coupled to the second coupling member 140, so that the guide shaft 125 and the probe rod 120 has a constant angle. In addition, in the present embodiment, the guide shaft 125 itself may have elasticity, such as a spring.

Referring to Figures 1b and 1c it will be described the process of mounting the oil leakage preventing device according to an embodiment of the present invention to the hull.

Figure 1b is a side cross-sectional view showing a process of entering the hole formed in the hull the oil leakage prevention device mounted on the tanker hull according to the first embodiment of the present invention.

Referring to FIG. 1B, the probe rod 120 and the guide shaft 125 are inserted into the hole 100a of the hull 100. Here, when looking at the cylinder unit 115, both the first cylinder 115a and the second cylinder 115b maintain the first and second rods drawn out long.

In addition, the fixed shaft 130 is elastically hinged to the first coupling member 135 so that the fixed shaft 130 is to maintain a predetermined angle (for example, 60 degrees) with respect to the probe rod 120. do.

1C is a side cross-sectional view showing a state in which an oil leakage preventing apparatus mounted on an oil tanker hull enters a hole formed in a hull according to a first embodiment of the present invention.

Referring to FIG. 1C, a predetermined distance is maintained between the inner surface of the hull 100 and the end of the fixed shaft 130 by the cylinder unit 115.

In the embodiment of the present invention, when the length of the first and second rods is shortened by the cylinder unit 115, the end of the fixed shaft 130 is fixed to the inner surface of the hull 100 in close contact. Therefore, the state as shown in FIG. 1A is maintained.

An upper portion of the gate 150, a lower reduction motor 155, and an outer rail 160 will be described in detail with reference to FIGS. 2 and 3.

2 is a plan view from above of an oil spill prevention apparatus mounted to an oil tanker hull according to a first embodiment of the present invention, Figure 3 is an oil spill prevention apparatus mounted to an oil tanker hull according to a first embodiment of the present invention This is a front view from the outside.

Referring to FIG. 2, the hydraulic hose 145 and the recovery pipe 110 are introduced into one edge side surface (right side in FIG. 2) of the magnet unit 105, and the amount of the magnet unit 105 is reduced. The first rail 160a and the second rail 160b are disposed at the edge.

The recovery pipe 110 recovers oil discharged from the hole 100a, and the hydraulic hose 145 supplies hydraulic pressure to the first cylinder 115a and the second cylinder 115b.

Referring to FIG. 3, a third rail 160c is disposed below the magnet unit 105. The gate 150 has a structure that is closed from the top to the bottom along the first and second rails (160a, 160b).

The magnet unit 105 is in close contact with the rectangular window frame around the hole (100a) formed in the hull 100, a passage 301 is formed in the center portion.

The reduction motor 155 is disposed at the lower end of the magnet unit 105, and the reduction motor 155 and the gate 150 are connected by a drive chain 315. The drive chain 315 pulls the gate 150 downward by the reduction motor 155. The gate 150 moves along the rails 160a and 160c to quickly close the center open portion of the magnet unit 105.

A plurality of shafts 320 are disposed across the hollow portion of the magnet unit 105, and a bracket 325 is formed at a point where the shaft 320 intersects (the center portion of the magnet unit).

The rod end of the cylinder unit 115 (see FIG. 1A) is fixed to the bracket 325. In the present embodiment, eight shafts 320 are arranged at equal intervals.

After the cylinder unit 115 firmly adheres the magnet unit 105 to the inside of the hull 100, it is preferable that the gate 150 completely seals the magnet unit 105.

Referring back to Figure 1a, in the embodiment of the present invention, the fixed shaft 130 and the guide shaft 125 may be disposed around the central axis of the probe rod (120). That is, four or six of the fixed shaft 130 or the guide shaft 125 may be disposed.

In this embodiment, the gate 150 may be made of a flexible cloth, rubber, metal and plastic material so that it can be deformed along the surface of the hull.

Figure 4 shows the components of the magnet unit of the oil spill prevention apparatus according to the first embodiment of the present invention.

Referring to FIG. 4, the magnet unit 105 may be made by arranging a plurality of units by connecting them in a straight line, an intersection, or a curved line.

4 shows one unit constituting the magnet unit. As shown, one unit includes a mold 105a and a magnet 105b.

When the frame 105a is made of a material such as iron, a mounting groove (not shown) may be formed at the center thereof, and the magnet 105b may be inserted into the mounting groove 415.

One surface of the mold 105a is provided with a sealing groove 400 along an edge thereof, and the sealing groove 400 is provided with a sealing member 405. Preferably, the sealing member 405 has a portion P protruding a predetermined height (for example, about 2 mm) from one surface of the mold 105a.

The sealing groove 400 and the sealing member 405 are formed on a surface where the magnet unit 105 and the hull 100 face each other. The sealing member 405 improves the sealing force between the magnet unit 105 and the hull 100 to prevent the oil from leaking.

One magnet unit is manufactured by connecting the frame 105a and another frame (not shown) so as to face each other, and a predetermined oil-resistant rubber is interposed between the frame 105a and the other frame (not shown) so that they are curved. It is preferable to have a structure in close contact with the hull surface of the die.

In addition, as shown, a groove 415 is formed on the edge of the frame (105a) is a stainless steel square coupling shaft is mounted, and the frame 105a is continuously mounted to the coupling shaft (not shown), so that one magnet The unit is built.

The coupling shaft may be disposed to surround the inner edge and the outer edge of the magnet unit. In the present embodiment, the frame 105a is preferably made of a good iron material to concentrate the magnetic force.

5 is a front view of an oil leakage preventing apparatus according to a second embodiment of the present invention.

Referring to FIG. 5, the oil leak prevention apparatus according to the second exemplary embodiment of the present invention includes a magnet unit 505 in the form of a window frame, and an outer frame 502a is installed on an outer surface of the magnet unit 505. The inner surface has an inner frame 502b, and a plurality of magnets 105b are connected to the frame 105a between the outer frame 502a and the inner frame 502b.

The shaft 500 extending in the center direction from the inner frame 502b is disposed in the center of the magnet unit 505, and the shaft 500 has a plurality of shafts corresponding to the inner edges of the inner frame 502b. Four) are arranged in the radial direction.

Cylinder holders 515 are disposed at each end of the shaft 500, and the cylinder holders 515 are formed in a circular shape in a pipe shape, and the components attached to the cylinder units 605 (see FIG. 6) move. It is formed separately at intervals set to form a space.

One end of the shaft 500 is supported by the cylinder holder 515, and the other end thereof is provided with a first spring 510 that is supported by the first sliding member 520. The first sliding member 520 is elastically supported.

Referring to section A-A of FIG. 5, the cross-sectional shape of the shaft 500 is formed in a shape to minimize the resistance of the oil flowing out. In addition, the first spring 510 has a coil shape wound corresponding to the shape of the shaft 500.

6 is a first side view of the oil leakage preventing apparatus according to the second embodiment of the present invention.

5 and 6, the oil leak prevention apparatus according to the second embodiment of the present invention includes a gate 600, a first rod 601a, a magnet unit 505, a cylinder unit 605, and a second Rod 601b, probe rod 612, first coupling member 615, second coupling member 620, guide shaft 630, fixed shaft 625, second sliding member 710, and guide ring ( 705.

The cylinder unit 605 is inserted through the cylinder holder 515 and the cylinder unit 605 can move back and forth inside the cylinder holder 515, the cylinder is operated by the first cylinder (605a) The center of the gate 600 is hinged to the end of the first rod (601a).

Before the oil leakage preventing device is attached to the hull 100, the gate 600 is disposed perpendicular to the horizontal plane and perpendicular to one surface of the magnet unit 505 in order to minimize the resistance of the hydraulic pressure ejected, When the oil leakage preventing device is operated to pull the rod of the cylinder, the gate 600 is rotated and attached to the magnet unit 505.

The gate 600 strongly compresses a sealing member made of an oil resistant rubber bar around the magnet unit 505 to completely block the jet oil.

When the cylinder unit 605 is fixed to the hull 100, one surface of the gate 600 is in close contact with one surface of the magnet unit 505 to move the center passage 501 of the magnet unit 505. Shut off the oil.

Referring to view A of FIG. 6, one side of the gate 600 and one side of the magnet unit 505 are connected to each other by a second spring 602 to transfer the gate 600 to the magnet unit 505. To guide.

That is, the second spring 602 of FIG. 7 guides the equipment to the set position when the equipment enters the hole part of the tanker.

Initially, when the oil is leaked from the hull 100, the magnet unit 505 because it is difficult to access the gate 600 and the magnet unit 505 to the hull 100 by the flow resistance of the oil A passage 501 (see FIG. 5) through which oil flows out is formed in the center portion of the backplane. Therefore, when the equipment enters the digging site, the resistance of the blowoff hydraulic pressure can be reduced.

The gate 600 is initially disposed perpendicularly to one surface of the hull 100 to minimize the flow resistance of the outflow oil, and the magnet unit 505 is attached to the hull 100 and then The gate 600 closes the passage 501 of the magnet unit 505 by the cylinder unit 605.

The outer edge of the magnet unit 505 is formed with a thick oil-resistant high bark, so that the curved surface of the hull can be sufficiently sealed, the oil is operated to leak the oil is ejected when the magnet unit 505 is in close contact Block completely.

Referring back to FIG. 6, the cylinder unit 605 includes a first cylinder 605a and a second cylinder 605b disposed in a straight line, and first and second rods 601a at each cylinder at both ends thereof. , 601b) is formed to extend.

A central portion of the gate 600 is hinged to an end of the first rod 601a, and the gate 600 is rotatable 90 degrees with respect to the first rod 601a.

In addition, the probe rod 612 is disposed at the end of the second rod (601b), the end of the probe rod 612 has a structure that can be stretched in a pipe structure that is inserted into each other, such as an antenna and a fishing rod, so that a long probe rod It is desirable to be able to easily find the hole portion of the hull.

The second rod 601b and the probe rod 612 are connected to the first coupling member 615, and the fixed shaft 625 is hingedly coupled to the first coupling member 615.

The second coupling member 620 is disposed at the center of the probe rod 612, and the guide shaft 630 is hinged to the second coupling member 620.

8 is a partial cross-sectional view of an oil leakage preventing apparatus according to a second embodiment of the present invention.

5, 7 and 8, the fixed shaft 625 is a first fixed shaft 625a and a second fixed shaft 625b disposed in a straight line through one pipe 800 (see FIG. 8). ) And the first fixed shaft 625a and the second fixed shaft 625b are elastically stretched in length by a third spring 805 (see FIG. 8) disposed inside one pipe. Has Therefore, the output of the hydraulic oil is distributed evenly to the inner surface of the vessel through the fixed shaft 625 and transmitted.

The guide shaft 630 includes a first guide shaft 630a and a second guide shaft 630b disposed in a straight line through one pipe (similar to FIG. 8), and disposed inside the single pipe. It has a structure that the length is elastically stretched by the spring (see FIG. 8).

5 and 6, one end of the guide shaft 630 is hinged to the second coupling member 620, and the other end is connected to the first sliding member 520 mounted to the shaft 500. Connected.

The guide shaft 630 is connected to the magnet unit 505 through the first sliding member 520 and the first elastic member 510 and through the hole 100a formed in the hull 100. When the guide shaft 630 and the probe rod 612 are retracted, the guide shaft 630 guides the magnet unit 505 to correspond to the hole 100a. Therefore, the guide shaft 630 guides the equipment to enter the hull to the center of the perforated portion of the hull.

7 is a second side view of the oil leakage preventing apparatus according to the second embodiment of the present invention.

First, referring to FIG. 7, since the guide shaft 630 is elastically supported by the inner surface of the hole 100a of the hull 100 by the elastic force of the first spring 510, the hull hole portion is wrapped. The center passage 501 of the magnet unit 505 corresponds to the hole of the hull 100.

Therefore, when the magnet unit 505 approaches the hull 100, the oil flowing out through the hole 100a is easily discharged to the passage 501 of the magnet unit 505 without being resisted by the jet oil. In this case, the gate 600 is disposed perpendicular to the outer surface of the hull 100 to minimize the resistance of the outflow oil.

6 and 7, when the magnet unit 505 is attached to one surface corresponding to the hole 100a of the hull 100, the cylinder unit 605 is hydraulically mounted to the first and second rods. Pulling 601a and 601b, the gate 600 covers the entire outer surface of the magnet unit 505 to close the passage 501 of the magnet unit 505.

At this time, the thick, oil-resistant rubber bark that covers the curved surface of the hull sufficiently located on the outer edge of the magnet unit is compressed by a powerful hydraulic force between the gate and the hull can completely block the jet oil.

In addition, the fixed shaft 625 strongly supports the inner surface of the hull 100, so that the gate 600 and the magnet unit 505 is supported to warn the outer surface of the hull 100.

As described above, the fixed shaft 625 has a structure that can be stretched by the third spring (805).

The second sliding member 710 is slidably disposed on an outer circumferential surface of the second cylinder 605b in the cylinder unit.

The guide ring 705 for guiding the movement of the fixed shaft 625 is coupled, the guide ring 705 is movable along the fixed shaft 625 in a ring shape, the guide ring 705 is The hinge is connected to the second sliding member 710.

The fixed shaft 625, in which the first and second rods 601a and 601b are pulled by the cylinder unit 605, is opened at an angle formed with a central axis of the cylinder unit 605. When the two rods 601a and 601b move forward, the fixed shaft 625 is closed due to a smaller angle formed by the central axis of the cylinder unit 605.

When the fixed shaft 625 is opened, the second sliding member 710 moves forward of the second cylinder 605b, and when the fixed shaft 625 is pinched, the second sliding member 710 ) Moves to the rear of the second cylinder (605b).

In this case, the guide ring 705 connected to the second sliding member 710 prevents the fixed shaft 625 from spreading beyond a set angle, so that the fixed shaft 625 strongly protects the inner surface of the hull. Support it.

Referring to section AA of FIG. 7, the second sliding member 710 is fixed to the cylinder unit 605 by a fixing bolt 777 to maintain an angle at which the fixing shaft 625 opens according to the structure of the hull. Can be adjusted.

In the embodiment of the present invention, when the magnet unit 505 and the cylinder unit 605 approaches the hull 100, the fixed shaft 625 and the guide shaft 630 is retracted to the maximum It is preferable to minimize the resistance of the oil is ejected from the hull 100 is disposed close to the cylinder unit 605.

In the above, the present invention has been described with reference to the presently considered embodiments, but the present invention should not be construed as being limited to the above embodiments. Rather, it should be construed as including all modifications of the range which are easily changed by those skilled in the art from the above-described embodiment of the present invention and considered equivalent.

Figure 1a is a side cross-sectional view of the prevention device oil leakage prevention device mounted on the hole portion of the tanker hull according to the first embodiment of the present invention.

Figure 1b is a side cross-sectional view showing a process of entering the hole formed in the hull prevention device oil leakage prevention device mounted on the tanker hull according to the first embodiment of the present invention.

Figure 1c is a side cross-sectional view showing a state in which the oil spill prevention device mounted on the tanker hull according to the first embodiment of the present invention entered the hole formed in the hull.

Figure 2 is a plan view of the oil spill prevention device mounted on the tanker hull according to the first embodiment of the present invention as viewed from the hull.

Figure 3 is a front view of the prevention device oil leakage prevention device mounted on the tanker hull according to the first embodiment of the present invention from the outside.

Figure 4 shows the components of the magnet unit of the prevention device oil leakage prevention device according to the first embodiment of the present invention.

5 is a front view of an oil leakage preventing apparatus according to a second embodiment of the present invention.

6 is a first side view of the oil leakage preventing apparatus according to the second embodiment of the present invention.

7 is a second side view of the oil leakage preventing apparatus according to the second embodiment of the present invention.

8 is a partial cross-sectional view of an oil leakage preventing apparatus according to a second embodiment of the present invention.

Claims (5)

A magnet unit having a passage formed at the center of the hull corresponding to the perforated portion of the hull and having a magnetic magnet on one surface thereof, the magnet unit being in close contact with the passage to the perforated portion of the hull; A cylinder unit being introduced into the hull through the passage formed in the center of the magnet unit and the perforated portion of the hull, and advancing or retracting the first rod and the second rod; It is hinged to the first rod end facing outwardly of the hull, when the first rod is pulled by the cylinder unit closes the passage of the magnet unit in which oil flows while being in close contact with the outer surface of the magnet unit A gate; And It is hinged to the first coupling member attached to the second rod of the cylinder unit, and chamfers or opens according to the operation of the cylinder unit, and when the second rod is pulled by the cylinder unit, one end of the cylinder unit A fixed shaft for supporting a side to closely contact the outer surface of the magnet unit; Oil outflow prevention device comprising a. According to claim 1, At least two inner frame is formed along the inner surface of the passage of the magnet unit, the outer frame is formed along the outer surface of the magnet unit to form a frame, at least two extending in the central direction from the inner side frame A cylinder holder attached to an end of the shaft and the shaft to guide the cylinder unit through the magnet unit; A first sliding member attached to the first spring provided on the shaft and the other end of the first spring so that one end thereof is supported by the cylinder holder; A probe rod extending from the first coupling member and introduced into a hole formed in the hull; And It is hinged to the second coupling member, the other end is connected to the first sliding member, when the probe rod is inserted into the hole of the hull, is in close contact with the inner surface of the hole by the elastic force of the first spring, A guide shaft for guiding the magnet unit and the cylinder unit in the center of the hole; Oil outflow prevention device further comprising. According to claim 1, Oil leakage prevention device further comprises a second spring connecting one side of the magnet unit and one side of the gate. According to claim 1, The fixed shaft may include a first fixed shaft whose one end is in close contact with an inner surface of the hull, and a second fixed shaft whose one end is hinged to the first coupling member; A pipe into which the first fixed shaft is inserted into one side and the second fixed shaft into the other side; And A third spring disposed inside the pipe to elastically support the first fixed shaft and the other side to elastically support the second fixed shaft; Oil outflow prevention device further comprising. According to claim 1, One side is hinged to the second sliding member which is slidably provided in the cylinder unit, the other side is a guide ring slidably connected to the fixed shaft; More, The guide ring is an oil leakage preventing device, characterized in that when the cylinder unit pulls the first and second rods to support the fixed shaft to prevent the oil from flowing out by being in close contact with the outer surface of the magnet unit.

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