JPH0324467Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention is designed to prevent cargo stored in the hold of a cargo ship from being contaminated by seawater or rainwater that has entered through the gaps in the hatch cover, as well as water droplets that have condensed on the back of the hatch cover. To prevent the product from getting wet and damaging its quality,
The present invention relates to a hold curtain device for ships.

[Conventional technology]

As shown in the schematic cross-sectional view in Figure 4, a cargo ship is equipped with a hatch opening 3 on the upper deck 2 to open and close it to prevent seawater and rainwater from entering the hull 1. A hatch cover 4 made of steel is provided.

However, during stormy weather or high waves,
Hatch combing 3a of hatch 3 and hatch cover 4
Seawater or rainwater may enter the hold 1 through the gap between The cargo 5 inside may get wet. As a result, the cargo 5 is, for example, a steel coil,
In the case of steel materials such as steel plates, rust occurs, causing problems that impair quality.

In order to prevent such problems, conventionally, as shown in FIG. 4, a waterproof canvas cover 6 is manually placed over the cargo 5, or as shown in FIG. A rope 7 is stretched over the entire length on both sides of the hold opening 3 of the hold 1, and by passing the eye rings 8 at both ends of the canvas cover 6 through the rope 7, a rope 7 is placed above the cargo 5. The canvas cover 6 is being expanded.

[Problem that the invention attempts to solve]

At least four workers are required to cover the cargo 5 with the canvas cover 6 as shown in FIG. 4. Moreover, since the worker must climb on top of the cargo 5 to perform the work,
The footing is poor, there is a risk that the worker may slip and fall from the cargo 5, the work requires a long time, and there is a problem that the cargo 5 may be soiled by the worker.

According to the method of unfolding the canvas cover 6 as shown in FIG. There is a problem that the canvas cover 6 sags and comes into contact with the fully loaded cargo 5, making it impossible to open and close it, and since the canvas cover 6 is opened and closed manually, at least two workers are required to open and close it. .

Therefore, the purpose of this invention is to prevent the quality of cargo stored in the hold of a cargo ship from being wetted by seawater or rainwater that enters through the gaps in the hatch cover, or by water droplets condensing on the back of the hatch cover, resulting in loss of quality. To provide a hold curtain device for a ship that can be automatically opened and closed safely, quickly and reliably.

[Means for solving problems]

The hold curtain device for ships of this invention includes guide rails provided along the entire length on both sides of the hold opening in the longitudinal direction, and guide rails provided near both ends of each of the guide rails. 1, which is passed around the rope roller and is arranged along the guide rail so as to surround the periphery of the port;
A main rope, a reversible drum around which the one rope is wound for moving the one rope in both forward and reverse directions, and a drum that is rotatably fitted into each of the guide rails. a curtain wire attached between a plurality of guide rollers, a guide roller fitted into one guide rail, and a guide roller fitted into the other guide rail, and the curtain wire. a curtain body that covers the hatch, one end of the curtain body is fixed to one end of the bay, and an end guide roller on the other end of the curtain body is fixed to the rope. The rope is fixed, and the rope is inserted through the guide rollers other than the end guide rollers.

Next, this invention will be explained with reference to the drawings. FIG. 1 is a schematic plan view showing one embodiment of the device of this invention, FIG. 2 is an enlarged sectional view taken along the line A-A' in FIG. 1, and FIG. 3 is an enlarged front view of the guide roller.

As shown in FIGS. 1 to 3, below the hatch coaming 3a of the hatch 3, frame-shaped guide rails 9, 9 are provided extending in the length direction of the hatch 3, on which guide rollers 18 (described later) roll. is provided. Rope rollers 10, 11, 10', 11' are provided near the bow end of each guide rail 9, 9, and rope rollers 12, 12' are provided near the stern end of each of the guide rails 9, 9. is provided.

One rope 13 is connected to the rope rollers 10, 1
2, 11, 11', 12', and 10' in this order, and are arranged so as to surround the port 3.
Rope roller 1 along guide rails 9, 9
The ropes 13 between 1 and 12 and between 11' and 12' are doubled, one of them passing inside the guide rail 9 and the other passing outside of the guide rail 9.

The rope 13 is wound in multiple turns around a drum 14 which is disposed between the rope rollers 10 and 10' and is rotatable in forward and reverse directions. Therefore, when the drum 14 rotates in the direction shown by arrow a, the rope 13 moves in the direction shown by arrow a', that is, from the bow side to the stern side within the guide rails 9, 9.

As shown in FIG. 3, the guide rail 9 includes a U-shaped frame 15, an upper outer plate 16 vertically welded to the upper horizontal plate 15a of the U-shaped frame 15, and a predetermined interval from the upper outer plate 16. It consists of a lower outer plate 17 vertically welded to the lower horizontal plate 15b of the U-shaped frame 15 with an open space, and a plurality of guide rollers 18 are fitted into the guide rail 9 so as to be able to roll freely. ing.

As shown in FIG. 3, the guide roller 18 includes a roller body 19, an upper horizontal roller 20 rotatably attached to the upper surface of the roller body 19, and an upper horizontal roller 20 rotatably attached to the lower surface of the roller body 19. It consists of a lower horizontal roller 21 and a vertical roller 22 rotatably attached to one side of the roller body 19.

The guide roller 18 has an upper horizontal roller 20
contacts the inner surface of the upper outer plate 16, the lower horizontal roller 21 contacts the inner surface of the lower outer plate 17, and the vertical roller 22 is located between the upper outer plate 16 and the lower outer plate 17 and the lower outer plate It is rotatably fitted into the guide rail 9 so as to contact the upper end surface of the plate 17.

A rope insertion hole 23 is bored in the center of the roller body 19 of the guide roller 18 in the direction of rolling thereof, and an upper outer plate 16 and An annular eye bolt 24 projecting further into the hold 1 than the lower outer plate 17 is installed horizontally.

Between the guide roller 18 fitted into the guide rail 9 on one side and the guide roller 18 fitted into the guide rail 9 on the other side, there is a curtain wire 25 connecting each of them as a pair. They are attached by respective eye bolts 24.

A curtain body 26 made of waterproof canvas that covers the hatch 3 is tied to each of the curtain wires 25. One end of the curtain body 26 is fixed to one end of the hatch 3.

A rope 13 is inserted through a rope insertion hole 23 formed in a roller body 19 of each of the plurality of guide rollers 18 fitted into the guide rail 9. Only the end guide roller 18a at the other end of the curtain body 26 is fixed to the rope 13.

Guide roller 18 fitted into guide rail 9
For example, when the length of the shed 3 is 20 m, the appropriate number of guide rails is one for every 1 m in the length direction of the curtain body 26, that is, about 20 per side of the guide rail 9.

[Effect]

When extending the curtain body 26 folded toward the bow side of the port 3 and closing the port 3, the drum 14 is rotated in the direction shown by arrow a. As a result, the rope 13 moves in the direction shown by arrow a',
End guide roller 1 fixed to rope 13
8a and 18a simultaneously move within the guide rails 9 and 9 toward the stern side. Therefore, the other end of the curtain body 26 is pulled toward the stern side, and the curtain body 26 is connected to a plurality of guide rollers 1 via a plurality of curtain wires 25 to which the curtain body 26 is tied.
8 and 18 simultaneously move within the guide rails 9 and 9 toward the stern side one after another. In this way, the curtain body 26 is completely expanded and the berth 3 is closed.

When folding the extended curtain body 26 and opening the hatch 3, move the drum 14 in the direction of arrow b.
Rotate in the direction shown. As a result, rope 13
move in the direction shown by arrow b' and are fixed to the rope 13.
move simultaneously toward the bow side within the guide rails 9,9. The plurality of guide rollers 18, 18 in the guide rails 9, 9 are pushed by the above-mentioned end guide rollers 18a, 18a, and simultaneously move within the guide rails 9, 9 sequentially toward the bow side. Thus, the curtain body 26 moves toward the bow side while being sequentially folded by the curtain wires 25 between the guide rollers 18, 18, and opens the hatch 3.

When the curtain body 26 is stretched as described above, in order to prevent the curtain body 26 from being damaged by the tension applied to the curtain body 26, the adjacent guide rollers 18, 18 are connected with ropes that are shorter than the interval between the curtain wires 25. connected to each other,
The curtain body 26 may be pulled and expanded by this rope.

The drum 14 is rotated by an electric deceleration motor equipped with a limit switch so that it can be remotely controlled by operating a switch.

[Effect of idea]

As described above, according to this invention, it is possible to automatically open and close the curtain that covers the upper part of the cargo stored in the ship's hold, safely, quickly, and reliably by just operating a switch. This provides an excellent industrial effect in that the cargo stored in the hatch cover does not become wet due to seawater or rainwater that enters through the gap in the hatch cover, or water droplets condensed on the back surface of the hatch cover, and does not deteriorate quality due to rusting or the like.

[Brief explanation of the drawing]

Fig. 1 is a schematic plan view showing one embodiment of the device of this invention, Fig. 2 is an enlarged sectional view taken along the line A-A' in Fig. 1, Fig. 3 is an enlarged front view of the guide roller, Figs. FIG. 5 is an explanatory diagram showing a conventional curtain mechanism in a cross section of a ship's hull. In the drawing, 1... hold, 2... upper deck, 3
...Hatch opening, 4...Hatch cover, 5...Cargo, 6
... Canvas cover, 7 ... Rope, 8 ... Eye ring, 9 ... Guide rail, 10, 11, 1
2, 10', 11', 12'...rope rollers,
13... Rope, 14... Drum, 15... U-shaped frame, 16... Upper outer plate, 17... Lower outer plate, 18... Guide roller, 19... Roller body, 20... Upper horizontal roller , 21... Lower horizontal roller, 22... Vertical roller, 23... Rope insertion hole, 24... Eye bolt, 25... Curtain wire, 26... Curtain body.

Claims (1)

[Scope of utility model registration request] A guide rail provided along the entire length of the hold on each of both sides in the length direction of the hold;
one rope that is passed around rope rollers provided near both ends of each of the guide rails and arranged so as to surround the periphery of the port along the guide rail; a reversible drum around which the one rope is wound for movement in both forward and reverse directions; a plurality of guide rollers rotatably fitted into each of the guide rails; A curtain wire attached between a guide roller fitted into a guide rail and a guide roller fitted into the guide rail on the other side, and a curtain wire fixed to the curtain wire, covering the port opening. a curtain main body, one end of the curtain main body being fixed to one end of the opening, and an end guide roller on the other end side of the curtain main body,
A hold curtain device for a ship, characterized in that the rope is fixed to the rope, and the rope is inserted through the guide rollers other than the end guide roller.