KR101205703B1

KR101205703B1 - Grating cover for ship

Info

Publication number: KR101205703B1
Application number: KR20100096366A
Authority: KR
Inventors: 이용목
Original assignee: 삼성중공업 주식회사
Priority date: 2010-10-04
Filing date: 2010-10-04
Publication date: 2012-11-28
Also published as: KR20120034958A

Abstract

Marine grating covers are disclosed. The grating cover for a ship according to an embodiment of the present invention, the grating cover body provided in the inlet provided in the hull shell; A hinge shaft provided in the main body such that the main body is hinged to the inlet; And a counterweight disposed adjacent to the hinge axis.

Description

Marine Grating Cover {GRATING COVER FOR SHIP}

The present invention relates to a grating cover installed on the hull.

In ships, a grating cover may be installed at the outer shell inlet of the hull to introduce seawater for various purposes such as filling of a ballast tank.

The grating cover is installed to remove foreign substances contained in seawater, and a hinge shaft is installed to open and close the grating cover.

The operator performed maintenance while the grating cover was opened out of the ship to the outside of the hull to remove the maintenance or foreign matter of the grating cover.

However, in the conventional grating cover, the hinge axis is disposed at the end of the grating cover, so that a lot of force is required when the operator opens the grating cover.

That is, when the operator opens the grating cover to the outside of the hull, the force of the worker is excessively consumed, and in some cases it is difficult to open itself to the outside by the self-load of the grating cover is generated Urgent measures were needed.

It is an object of the present invention to provide a marine grating cover that can be opened and closed easily by a worker with little force.

In order to achieve the above object, a grating cover for a ship according to the present invention includes a main body provided at an inlet provided in a hull shell; A hinge shaft provided in the main body such that the main body is hinged to the inlet; And a counterweight disposed adjacent to the hinge axis.

The hinge axis may be disposed in the horizontal direction of the main body.

The hinge axis may be disposed between the center line passing through the horizontal center of the main body and the edge.

The counterweight may be disposed at an edge of the main body partitioned based on the hinge axis.

The sum of the weight of one side of the main body and the weight of the counterweight is characterized in that the same as the other weight of the main body.

The counterweight may be disposed at the end of the body.

The counterweight may be disposed within the edge of the body.

The counterweight is characterized in that disposed in the center of the end of the body.

The counterweights are spaced apart from each other at both ends of the main body.

As described above, the vessel grating cover according to the present invention has an effect that can be easily opened and closed even if the weight of the main body is increased.

Marine grating cover according to the present invention has the effect that the grating cover can be opened with a small force.

1 is a front view showing a grating cover for a ship according to an embodiment of the present invention.
Figure 2 is a side view showing a grating cover for a ship according to an embodiment of the present invention.
3 is a view showing another embodiment of a grating cover for ship according to the present invention.
Figure 4 is a plan view showing a grating cover for a ship according to an embodiment of the present invention.
Figure 5 is an operating state of the grating cover for ship according to the present invention.

Embodiments of the grating cover for ship according to the present invention will be described in detail with reference to the accompanying drawings, the same or corresponding components will be given the same reference numerals and duplicate description thereof will be omitted.

The main feature of the present invention is to facilitate opening and closing of the grating cover body installed on the outer plate of the hull, to facilitate the opening and closing of the grating cover in the inner direction of the grating cover showing the grating cover in the hull It demonstrates with reference to FIG. 1 which shows a front view.

The grating cover 100 may be hinged to the inlet 12 through which seawater flows into the outer plate of the hull 10.

A support 20 may be installed between the inlet 12 and the hull 10, and the grating cover 100 may be supported by the support 20 and fixed by a bolt 30.

The grating cover 100 may be provided with a main body 110 having a square shape.

A hinge shaft 120 may be provided at the main body 110, and a counterweight 130 may be disposed adjacent to the hinge shaft 120.

The counterweight 130 may be installed to maintain the weight balance of the main body 110.

That is, even when the weight of the main body 110 is increased, the operator can easily open and close the grating cover 100 regardless of this, thereby enabling more effective maintenance of the grating cover 100 and removal of foreign substances. do.

The main body provided in the grating cover according to the present invention will be described with reference to FIG. 1.

The main body 110 may be provided with a frame 112 having a rectangular shape. In addition, the inner region of the frame 112 may further include a horizontal bar 114 disposed in the horizontal direction, and a longitudinal bar 116 disposed in the vertical direction.

The main body 110 may further include a transverse bar 114 and a suction port 118 partitioned in a lattice form by the longitudinal bar 116.

As described above, the main body 110 includes the frame 112 and the plurality of transverse and longitudinal bars 114 and 116 to filter out foreign substances contained in the seawater flowing through the suction port 118.

The hinge shaft 120 provided in the present invention will be described with reference to FIGS. 1 to 2.

The hinge shaft 120 may be disposed in the horizontal direction of the main body 110. More specifically, it may be disposed between the centerline C passing through the horizontal center of the main body and the edge E of the main body.

In addition, since the hinge shaft 120 is disposed inside the edge of the main body 110, the weight difference between the upper side and the lower side of the main body 110 with respect to the hinge axis 120 may be reduced.

Here, the upper side means an upper end with respect to the hinge axis 120, and the lower side means a lower end with respect to the hinge axis 120.

Therefore, compared with the structure in which the hinge shaft is disposed at the end of the main body, the arrangement and the counterweight 130 of the hinge shaft 120 according to the present invention enable easier opening and closing of the main body 110.

The counterweight provided in the present invention will be described with reference to FIGS. 1 to 2.

The counterweight 130 may be installed in the main body 110 so that the weight balance of the main body 110 is maintained around the hinge shaft 120.

That is, the counterweight 130 may be disposed at an edge position of the main body 110 partitioned based on the hinge shaft 120. That is, it may be disposed above the main body 110 with reference to FIG. 1.

Thus, by placing the counterweight 130 on one side of the main body 110 with respect to the hinge axis 120, the sum of the weight of one side of the main body 110 and the weight of the counterweight 130, It can maintain the same weight as the other side.

Accordingly, since the load required for rotation of the main body 110 about the hinge shaft 120 is minimized, the main body 110 can be easily opened and closed, and the maintenance of the grating cover 100 is easy. And it is possible to remove the foreign matter.

The counterweight 130 according to the present invention may be disposed so as not to leave the edge of the main body 110.

By arranging the counterweight 130 in this way, it is possible to prevent the counterweight 130 from being blocked by the opening and closing of the main body 110, so that the structure of the hull 10 in the installation of the counterweight 130 is changed. No further action is required, for example.

Another embodiment of the counterweight according to the present invention will be described with reference to FIG. 3.

The counterweights 130 may be spaced apart from each other on the top of the main body 110, and may be disposed to face each other on the same line.

When arranged in this way, it may have a weight corresponding to half of the total weight of the counterweight 130 shown in FIG.

That is, assuming that the weight of the counterweight 130 of FIG. 1 described above is 20 kg, the counterweight 130 illustrated in FIG. 3 may have a weight of 10 kg and may be spaced apart from each other.

The counterweight 130 may be fixedly installed by a bolt (2) provided separately.

A state in which the counterweight according to the present invention is installed on the grating cover will be described with reference to FIGS. 1 to 2.

Since the counterweight 130 is a weight having a predetermined weight, it may be seated on the seating portion 102 provided in the grating cover 100.

The counterweight 130 may be fixedly installed by a bolt (2) provided separately in a state seated on the seating portion (102). At this time, it is preferable that the counterweight 130 is bolted at the left and right positions of the seating portion 102 so as not to be separated to the outside.

In some cases, the count weight 130 may be welded to the seating unit 102, and a variety of fixed coupling methods may be used to prevent detachment from the seating unit 102.

A counterweight according to the present invention will be described with reference to FIGS. 1 to 2.

The counterweight 130 may be formed to have a square shape, but is not necessarily limited thereto.

That is, as long as the grating cover 100 can be stably installed, shapes other than those shown in FIGS.

Referring to FIG. 4, the counterweight 130 may further include an anchor bolt 3 at the top for ease of movement and installation to the grating cover 100.

The anchor bolt 3 has a lower end coupled to the counterweight 130 and is provided with a ring-shaped anchor at an upper portion thereof, so that the counterweight 130 can be easily moved by connecting a ring. .

Both ends of the hinge shaft 120 may be installed by the support 10. The support 10 is made of a plate of a rectangular shape, the hole (not shown) is provided so that the hinge shaft 120 can be inserted.

In addition, the hinge shaft 120 may further include a release preventing pin 11 coupled to the hinge shaft in order to prevent separation in a state in which the hinge shaft 120 is inserted into the support 10.

The release preventing pin 11 may be detachably coupled to the hinge shaft 120, and a worker may be easily detached and reinstalled to repair the grating cover 100.

The operating state of the grating cover for ship according to the present invention configured as described above will be described with reference to FIG. 1 or FIG. 5. For reference, the left side corresponds to the hull inside and the right side corresponds to the outside of the hull based on the grating cover 100.

Referring to FIG. 1, when the grating cover 100 is closed, a large amount of seawater may be introduced through the inlet 118.

The seawater may include various foreign matters, foreign matters are filtered by the horizontal bar 114 and the longitudinal bar 116 provided in the grating cover 100, and a large amount of foreign matters are disposed on the main body 110. Are stacked.

Referring to FIG. 5, the operator must open the grating cover 100 to the outside of the hull to remove the foreign matter.

For example, when the operator applies the force F1 to the grating cover 100 and opens it to the outside of the hull, the grating cover 100 is rotated about the hinge shaft 120.

At this time, the grating cover 100 is hinged by the force (F1) applied by the operator to the right on the basis of Figure 5, the force (F2) generated toward the left while the grating cover 100 is moved in the counterclockwise direction ( Easy rotation of the grating cover 100 is made to the position of the dotted line with respect to 120.

When the worker removes all the foreign matter attached to the grating cover 100, and rotates the grating cover 100 in the close direction, the grating cover (with a small force while the force (F1, F2) to the contrary as described above) 100) can be opened and closed.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit of the invention as set forth in the appended claims. The present invention can be variously modified and changed by those skilled in the art, and it is also within the scope of the present invention.

12: inlet
20: support
30: Bolt
100: grating cover
110:
112: frame
114, 116: bar
118: inlet
120: hinge axis
130: counterweight

Claims

In the grating cover for ship having a main body rotatably installed around the hinge axis to open and close the inlet formed in the hull shell,
The hinge shaft rotatably supports the main body at a position biased with respect to the central portion of the main body,
The main body includes a first area and a second area having different areas separated by the hinge axis, and the first area and the second area have a smaller area among the first area and the second area. Vessel grating covers with counter weights to compensate for weight differences in the area.

The method of claim 1,
The main body is provided to be rotated in the vertical direction about the hinge axis,
The hinge shaft is located adjacent to the upper side of the main body grate cover for rotatably coupled to the support extending from the hull shell.

The method of claim 1,
The main body is provided with a seating portion for mounting the counterweight,
The counterweight is a marine grating cover that is detachably coupled to the seating portion.

The method of claim 1,
The weight of the counterweight is a grating cover for a ship is provided so that the weight of the first area and the second area is the same.

The method of claim 3,
The counterweight is a grating cover for a ship comprising an anchor bolt provided with a ring-shaped anchor.

The method of claim 2,
Upper and lower portions of the main body separated by the hinge axis form the first region and the second region, respectively.
The counterweight is a grating cover for a ship having a pair disposed on each side of the first area spaced apart.