KR20200044504A - Cleaning apparatus for leg - Google Patents

Abstract

Disclosed is a cleaning apparatus for a leg. According to one embodiment of the present invention, provided is the cleaning apparatus for a leg, which includes: a driving part moved along the leg; an extension part rotationally connected to one side of the driving part and extended in a retractable manner; and a cleaning part provided on the extension part and cleaning foreign substances adhering to the leg to remove the same.

Description

Cleaning device for legs {CLEANING APPARATUS FOR LEG}

The present invention relates to a cleaning device for legs.

As demand for eco-friendly energy development increases, power generation using wind power generators is drawing attention worldwide. However, demanding environmental conditions are required to install a wind generator.

For example, the place where the wind power generator is installed should be a place where a wind speed of a certain level or higher can be guaranteed to obtain a significant rotation of the blade, and the air pollution caused by noise generated when driving the wind power generator should not be an issue. . In addition, even if these environmental conditions are satisfied, there is a problem that a very large area is required to install a wind power generator.

Recently, there has been increasing interest in offshore wind generators that are relatively free from the above constraints. Offshore wind power generators can be installed in a variety of ways, but are generally installed by assembling parts into several units, making them on land, and then moving the assembled units to the sea to assemble them.

A floating structure that moves a unit of an offshore wind generator manufactured onshore to the sea and installs an offshore wind generator on the sea is generally referred to as a wind turbine installation vessel (WTIV).

The ship with wind generators can be operated in sailing mode and jack-up mode due to the nature of the work. Specifically, the wind power generator installation ship moves in a sailing mode to a position where a marine wind power generator is to be installed. In the sailing mode, the leg can maintain a state of being moved upward of the main body to reduce resistance caused by seawater.

Thereafter, the ship with the wind generator installed switches to the jack-up mode, lowers the leg, places it on the seabed, and then lifts the body along the leg so that the body is spaced a certain distance from the sea level. When the main body reaches a certain position, the wind power generator installation ship stops the movement of the main body and installs the offshore wind power generator, and when the installation is completed, proceeds in the reverse order of the above procedure and moves to the next installation position.

However, the conventional floating structure as described above may cause the following problems.

The floating structure performing the jack-up mode performs a task to be achieved for a certain time while the main body is spaced from the sea level. While the floating structure works while the body is spaced from the sea level, a part of the leg becomes submerged in water for a certain period of time, while marine life such as barnacles, shellfish, etc. on the leg (hereinafter referred to as "foreign matter") ) May be attached.

The foreign matter attached to the leg increases the surface roughness of the leg, and when the surface roughness of the leg increases, the surface area in contact with the external environmental load increases, which can act as a factor for increasing the load of the leg. Therefore, when the leg is operated, a structural response is greatly generated, which not only applies a load to the leg operating system, but also causes a corrosion of the leg.

Korean Registered Patent 10-1434572

Embodiments of the present invention, it is mounted on the legs of the floating structure performing the jack-up mode is to provide a cleaning device for a leg that can be cleaned by removing various foreign substances attached to the submerged leg.

According to an aspect of the present invention, a moving unit that moves along a leg; An extension part connected to one side of the driving part and being elastically provided from the driving part toward a portion to be cleaned of the leg; And a cleaning part provided at an end portion of the extension part and cleaning and removing foreign matter attached to the leg.

 Here, the driving unit, the driving body is configured to surround the leg; And a driving wheel rotatably provided on the driving body part and in contact with the leg to move the driving body part up and down along the leg.

In addition, the extension unit, one end is rotatably connected to the driving unit, the other end is provided with the cleaning unit, a telescopic structure made of a telescopic extension bar; And one end is connected to the driving portion to be adjustable in angle, the other end is connected to the extension bar to support the extension bar, and includes adjustment means for adjusting the angle and length of the extension bar so that the cleaning unit reaches a predetermined position. You can.

 In addition, the cleaning unit, the cleaning body provided at the other end of the extension bar; A brush part rotatably provided on the cleaning body to strike and remove the foreign material; A suction tube for vacuumly sucking the foreign matter dropped by the brush part; And it may include a storage unit for storing the foreign matter sucked by the suction tube.

The cleaning body may further include a rubber part disposed around the brush part and elastically deformed, and a lower rubber part disposed under the brush part among the rubber parts may be configured in a fan shape to receive falling foreign matter. .

According to the embodiment according to the present invention, it is mounted on the legs of the floating structure performing the jack-up mode, it is possible to cleanly remove and clean various foreign substances attached to the submerged legs, thereby preventing corrosion of the legs and reducing the load of the legs. Can be reduced.

1 is a view showing a typical floating structure performing the jack-up mode.
2 is a side view showing a leg cleaning apparatus according to an embodiment of the present invention.
FIG. 3 is a plan view of FIG. 2 viewed from the direction “A”.
FIG. 4 is a plan view of FIG. 2 as viewed in the direction "B".
5 and 6 is a functional state diagram of the leg cleaning apparatus according to an embodiment of the present invention.

Hereinafter, a configuration and operation according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. The following description is one of several aspects of the present invention that can be patented, and the following description may form part of the detailed description of the present invention.

However, in describing the present invention, detailed descriptions of known configurations or functions may be omitted to clarify the present invention.

The present invention can be applied to various changes and may include various embodiments, and specific embodiments will be illustrated in the drawings and described in the detailed description. However, this is not intended to limit the present invention to specific embodiments, and should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

Terms including ordinal numbers such as first and second may be used to describe various components, but the corresponding components are not limited by these terms. These terms are only used to distinguish one component from another.

When an element is said to be 'connected' or 'connected' to another component, it is understood that other components may be directly connected to or connected to the other component, but other components may exist in the middle. It should be.

The terms used in this application are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise.

Hereinafter, a cleaning apparatus 10 for legs according to an embodiment of the present invention will be described with reference to the accompanying drawings.

First, referring to FIG. 1, the floating structure 20 such as a wind power generator installation ship may be operated in a sailing mode and a jack-up mode. In the sailing mode moving to a destination, the floating structure 20 is resisted by seawater. In order to reduce, the voyage is performed by moving the leg 30 upward of the main body 40.

After that, when reaching the destination, the floating structure 20 is switched to the jack-up mode, lowers the leg 30 as shown in FIG. 1, and puts it on the seabed, so that the body 40 can be separated from the sea surface by a certain distance The body 40 is raised along the leg 30.

When the main body 40 reaches a certain position, the floating structure 20 stops the movement of the main body 40 and performs a predetermined operation (for example, an operation for installing an offshore wind generator). You can proceed in reverse order to move to sailing mode to the next installation location.

In the jack-up mode as shown in FIG. 1, the leg 30 is kept in a submerged state until the floating structure 20 completes a predetermined operation, and accordingly, the leg 30 has various foreign substances ( For example, various marine organisms (such as barnacles and shellfish) may stick together and adhere, and these foreign substances may cause various problems as described in the background art. Accordingly, an embodiment of the present invention provides a cleaning device 10 for legs for removing foreign matter 1 adhered to legs 30 of floating structure 20.

Referring to FIG. 2, the leg cleaning apparatus 10 according to an exemplary embodiment of the present invention may include a driving part 100, an extension part 200, and a cleaning part 300.

The driving unit 100 is mounted on the leg 30 submerged in water and moves along the leg 30. At this time, the leg 30 includes a rack end cord part disposed in the vertical direction and a brace part 32 connecting the rack end code part in an inclined direction, and the driving part 100 is mounted in the rack end code part in the vertical direction. Although it may be moved, it may be mounted on the brace portion 32 and moved in an inclined direction as necessary.

Specifically, the driving part 100 may include a driving body part 110 and a driving wheel 120.

The driving body portion 110 may be formed with a through hole 111 through which the leg 30 passes through the center portion so as to surround the leg 30, and the driving body portion 110 may be detachably installed on the leg 30. It may be formed to be divided into a plurality.

Since the traveling body portion 110 divided into a plurality of portions can be opened and closed by the hinge h, the traveling body portion 110 is opened through the hinge h to be installed on the leg 30, and one side is opened. In the state, the through hole 111 is located on the outer circumferential surface of the leg 30.

After that, the traveling body portion 110 is closed to allow the traveling body portion 110 to be installed in a structure surrounding the outer circumferential surface of the leg 30. The driving body portion 110 may be locked by a locking means 112 such as a coupling pin.

In addition, the driving wheel 120 is provided rotatably to the driving body portion 110, the driving wheel 120 protrudes to contact the leg 30 on the through hole 111 of the driving body portion 110 Can be installed.

When the driving wheel 120 is rotated, the driving body 110 may be moved along the extending direction of the leg 30. The driving wheel 120 may be rotated by a power means such as a drive motor not shown, and the power means may be operated by an external electrical signal (eg, a control signal from a control unit or a remote controller).

On the other hand, the extension part 200 is a configuration that is rotatably connected to one side of the driving part 100 through the hinge h, and the angle can be adjusted in the vertical direction through the hinge h.

In addition, the extension part 200 may be configured to be stretched in length for cleaning of foreign matter. Accordingly, the extension part 200 may be freely extended to a predetermined position, for example, to the brace part 32 of the leg 30.

As the cleaning part 300 is provided at the end of the extension part 200, as shown in FIGS. 5 and 6, the position of the cleaning part 300 is moved by the angle adjustment and the length expansion and contraction of the extension part 200. Accordingly, the foreign matter attached to the leg 30 can be cleaned and removed.

Specifically, the extension part 200 may include an extension bar 210 and adjustment means 220.

As shown in FIG. 2, one end of the extension bar 210 may be configured to be connected to the driving unit 100 through a hinge (h) and rotatable as necessary. In addition, the other end of the extension bar 210 is provided with a cleaning part 300, the angle and length of the extension bar 210 so that the cleaning part 300 can reach a predetermined position of the leg 30 to which foreign matter is attached. Can be variable.

The extension bar 210 is made of a telescopic structure and can be stretched in the longitudinal direction of the extension bar 210. The extension bar 210 may be provided in a plurality of different diameters so that any one node is inserted into another node and accommodated. Therefore, the extension bar 210 may be made of a structure in which a small-diameter node is accommodated inside a node having a large diameter, and this structure is a telescopic structure, and such a telescopic structure has a small diameter when the length needs to be shortened. If the node is accommodated inside a large-diameter node and the length needs to be extended, the small-diameter node can be withdrawn from the large-diameter node.

In addition, the adjustment means 220 is for adjusting the angle and length of the extension bar 210, one end of the adjustment means 220 is connected to the driving unit 100 and the other end can be connected to the extension bar 210. . At this time, the other end of the adjustment means 220 may be connected to the last node of the extension bar 210 so that the length of the extension bar 210 can be adjusted.

The adjusting means 220 is disposed obliquely with respect to the extension bar 210 under the extension bar 210 to support the extension bar 210, and the cleaning unit 300 installed at the end of the extension bar 210 is predetermined. The angle and length of the extension bar 210 can be adjusted to reach the position.

Here, the adjusting means 220 may be composed of a hydraulic cylinder whose length extends and contracts through a telescopic structure. The adjusting means 220 may use air or fluid as a working medium for stretching and adjusting the adjusting means 220. Since the telescopic structure has been described above, a description thereof will be omitted.

One end of the adjustment means 220 may be rotatably connected to the driving part 100 through the power hinge part 221. The power hinge unit 221 may be rotated by an external electrical signal (eg, a control signal from a control unit or a remote controller), whereby the angle of the adjustment means 220 is variable to adjust the angle of the extension bar 210. have.

Accordingly, the angle and length of the adjusting means 220 may be changed while the external force is transmitted to the extension bar 210 so that the angle and length of the extension bar 210 can be adjusted, and thus installed at the end of the extension bar 210. The cleaning unit 300 may move to a predetermined position of the leg 30.

Meanwhile, as illustrated in FIG. 2, the cleaning unit 300 may include a cleaning body 310, a brush unit 320, a suction pipe 330, and a storage unit 340.

The cleaning body 310 is provided at the other end of the extension bar 210, and other components of the cleaning unit 300 may be installed. Here, the cleaning body 310 is disposed around the brush part 320 and may include a rubber part 311 that is elastically deformed.

The rubber part 311 may be made of a synthetic resin material that is elastically deformed by an external force. When the brush part 320 approaches the leg 30 for removing foreign matter, the structure of the leg 30 or the main surface of the leg 30 Even if the rubber portion 311 is in contact with the rubber portion 311 is easily elastically deformed so that the brush portion 320 can easily access foreign matter. At this time, the rubber part 311 may prevent the foreign matter from jumping out to the surroundings when the cleaning part 300 is elastically deformed when the foreign material is removed and is in close contact with the leg 30 or the surrounding structure.

Referring to FIG. 4, among the rubber parts 311, the lower rubber part 311a disposed under the brush part 320 may be formed in a fan shape so as to easily receive a foreign material falling.

The brush part 320 is rotatably provided on the cleaning body 310 and may contact foreign matters such as barnacles and seashells attached to the legs 30 in contact with the legs 30. The brush part 320 may be driven by a driving motor, and a bidirectional driving motor may be used to rotate forward or reverse as necessary.

In addition, a vacuum pump 331 may be provided on one side of the suction pipe 330 so that the suction pipe 330 vacuum-suctions foreign substances dropped by the brush part 320.

Here, the suction pipe 330 may extend from one side of the cleaning body 310 to the storage unit 340 via the extension bar 210. Therefore, the foreign matter dropped on one side of the cleaning body 310 may be vacuum sucked by the suction pipe 330 and collected in the storage unit 340 through the extension bar 210.

The storage unit 340 is configured to store foreign substances sucked by the suction pipe 330, and may be formed to have a predetermined accommodation space on one side of the driving unit 100. Accordingly, foreign matters that have been removed from the leg 30 by the cleaning unit 300 may be moved through the suction pipe 330 and stored in the storage unit 340. Here, a vacuum pump 331 may be built in the storage unit 340.

Meanwhile, an embodiment according to the present invention may further include an underwater camera 400 in addition to the configuration as described above. The underwater camera 400 may be provided to at least one of the driving part 100, the extension part 200, and the cleaning part 300. The underwater camera 400 photographs the surroundings of the leg 30 in the water to allow the user to recognize the underwater environment or the situation, and may also help to locate the foreign matter stuck to the leg 30.

Therefore, the user can grasp the surrounding environment of the leg 30 through the underwater camera 400, for example, by controlling the adjusting means 220 through the remote control, the cleaning unit 300 can be moved to a position where foreign matter is present.

As described above, the present invention has been described using preferred embodiments, but the scope of rights of the present invention is not limited to the specific embodiments described, and any person having ordinary knowledge in the art may be within the scope of the present invention. Substitution and modification of components are possible, and this also belongs to the rights of the present invention.

10: leg cleaning device
20: floating structure 30: leg
40: main body
100: running part 110: running body part
120: drive wheel 200: extension
210: extension bar 220: adjustment means
300: cleaning unit 310: cleaning body
311: rubber part 311a: lower rubber part
320: brush portion 330: suction tube
340: storage 400: underwater camera

Claims (5)

A driving unit moving along the leg;
An extension part connected to one side of the driving part and being elastically provided from the driving part toward a portion to be cleaned of the leg; And
A cleaning part provided at an end of the extension part and cleaning and removing foreign matters attached to the leg;
A cleaning device for legs comprising a. According to claim 1,
The driving unit,
A driving body portion configured to surround the leg; And
A driving wheel rotatably provided in the driving body part and in contact with the leg to move the driving body part up and down along the leg;
A cleaning device for legs comprising a. According to claim 1,
The extension,
One end is rotatably connected to the driving unit, and the other end is provided with the cleaning unit, and a telescopic structure extends and extends the extension bar; And
One end is connected to the driving portion to be adjustable in angle, the other end is connected to the extension bar to support the extension bar, and adjusting means for adjusting the angle and length of the extension bar so that the cleaning unit reaches a predetermined position;
A cleaning device for legs comprising a. According to claim 3,
The cleaning unit,
A cleaning body provided at the other end of the extension bar;
A brush part rotatably provided on the cleaning body to strike and remove the foreign material;
A suction tube for vacuumly sucking the foreign matter dropped by the brush part; And
A storage unit for storing the foreign matter sucked by the suction tube;
A cleaning device for legs comprising a. According to claim 4,
The cleaning body is disposed around the brush portion further comprises a rubber portion that is elastically deformed,
Among the rubber parts, the lower rubber part disposed at the lower part of the brush part is configured in a fan shape to receive falling foreign matter, and the leg cleaning device.

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