JP2933461B2 - Airflow control device in large open / close section of all-weather cargo handling equipment building - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air flow control device for preventing rainwater from entering a building having an all-weather cargo handling facility through an opening from the lower part of a large opening / closing section to the sea surface. is there.

[0002]

2. Description of the Related Art Conventionally, as a building having all-weather handling equipment, a building disclosed in Japanese Patent Application Laid-Open No. 03-61293 is known. In the case of a building with all-weather cargo handling equipment, use a large-sized opening / closing part for entry and exit of the ship and a curtain below it made of sheet that completely shields rainwater, and cover the area near the hatch opening of the hold. This prevents rainwater from directly falling into the building.

[0003]

However, in a building having the above-mentioned conventional all-weather cargo handling equipment, in order to further improve the function of preventing rainwater intrusion, rainwater intruding from the lower part of the large opening / closing part must be used. It is necessary to take countermeasures, but the countermeasures are not taken in the conventional building. In buildings having all-weather handling equipment, demands for a function of "preventing rainwater from adhering to products during rainfall work" have been increasing along with stricter quality required for products in recent years. In the building, an opening is formed in the lower part of the large opening / closing part that opens and closes when a ship enters and leaves, because the hull form that berths is large or small and cannot be completely sealed. The problem is that rainwater rises due to the airflow that enters from the opening and is trapped inside the building in the upward direction, causing rainwater to reach parts where products are placed, such as hatches in the hold. Become.

[0004]

SUMMARY OF THE INVENTION According to the present invention, a large opening / closing portion seals a hatch level or higher of a hold, and an air flow which affects the behavior of rainwater with respect to rainwater entering from an opening at a lower portion of the large opening / closing portion. It is an object of the present invention to suppress the upward flow of airflow and to suppress the rise of rainwater by flowing in the horizontal direction, thereby preventing rainwater from adhering to products. The gist of the airflow control device in the large opening / closing part of the all weather type cargo handling equipment building according to the present invention is that the front flexible sheet 5 and the rear part are located at a position facing the large opening / closing part 2 in the building 1 having the all weather type cargo handling equipment. The flexible sheet 6 is hung up and down freely, and a front net 7 is attached to the lower end of the front flexible sheet 5.
And a rear net 8 is attached to the lower end of the rear flexible sheet 6.
Can also be advantageously solved by suspending the Further, a front notch 9 is provided below the front net 7, a rear notch 10 is provided below the rear net 8, and the front notch 9 and the rear notch 10 are provided so as not to overlap in the front-rear direction. Thus, the above-described problem can be advantageously solved. The above-mentioned problem can also be advantageously solved by forming the front net 7 and the rear net 8 by a large number of front divided nets 11 and a large number of rear divided nets 12 divided in the left-right direction. The aforementioned problem can also be advantageously solved by attaching the weight 13 to the lower end of the net 4 or the front net 7 and the rear net 8.

[0005]

1 to 7 show a first embodiment of the present invention. A building 1 of an all-weather cargo handling equipment having an overhead traveling crane 15 is constructed on a shore, and A large opening / closing section 2 is provided on the side wall 16, a guide roller 17 is provided on the upper side of the large opening / closing section 2 in the building 1, and a hoisting machine 18 is fixed to a ceiling in the building 1.
The rope 1 unreeled from the drum of the hoisting machine 18
9 is connected to a connecting member 20 to which one ends of the front flexible sheet 5 and the rear flexible sheet 6 are attached.

An intermediate portion between the front flexible sheet 5 and the rear flexible sheet 6 is wound around a guide roller 17, and the other end of the front flexible sheet 5 and the rear flexible sheet 6 Are connected via a reinforcing connection member 21, and the other end of the front flexible sheet 5 is connected to the upper end of a large number of front split nets 11 closely arranged in the left-right direction,
A weight 13 made of a metal tube is provided at the lower end of each front split net 11.
Are connected, and the front net 7 is constituted by the front split nets 11.

The other end of the rear flexible sheet 6 is connected to the upper end of a large number of rear split nets 12 closely arranged in the left-right direction, and the lower end of each rear split net 12 is connected to a metal pipe. The weights 13 are connected to each other, and the rear net 8 is constituted by the rear split nets 12. The front flexible sheet 5 and the front net 7 are connected to the large opening / closing section 2.
Is moved up and down close to both side edges and the upper edge portion of the.

In the case of the first embodiment of the present invention, as shown in FIG. 7, air flows from the large opening / closing section 2 of the building 1 into the building 1 as shown by arrows, The rise is small.

FIG. 8 shows an airflow control device in a large opening / closing part of an all-weather cargo handling equipment building according to a second embodiment of the present invention.
A large opening / closing part 2 is provided, on both front and rear sides in the building 1,
A front flexible sheet 5 and a rear flexible sheet 6 similar to those of the first embodiment and a front net 7 and a rear net 8 connected to lower ends thereof are provided.

FIGS. 9 to 13 show an example in which a front notch 9 and a rear notch 10 are provided below the front net 7 and the rear net 8, respectively. A large number of front notches 9 are provided at regular intervals in the left-right direction at the lower part of the front net 7 connected to the lower part of the rear net 8, and at the lower part of the rear net 8 connected to the lower part of the rear flexible sheet 6. A large number of rear notches 10 are provided at intervals equal to the intervals of the front notches 9, and the front notch 9 and the rear notch 10 are spaced apart by a half pitch in the left-right direction so as not to overlap each other. Displaced.

FIGS. 14 and 15 show the front flexible sheets 5 and 5 in the first embodiment when the present invention is carried out.
This shows a flexible sheet 3 and a net 4 that can be used in place of the rear flexible sheet 6, the front net 7, and the rear net 8, and one sheet is provided at the lower end of one flexible sheet 3. The upper end of the net 4 is connected.

FIG. 16 shows the flow of airflow when the front flexible sheet 5, the rear flexible sheet 6, the front net 7 and the rear net 8 are used, and FIG. 17 shows the front flexible sheet. The flow of the air current when the sheet 5, the rear flexible sheet 6, and the single net 4 are used is shown. FIG. 18 shows the flow of airflow in the vicinity of a conventional large opening / closing unit.
In the case of FIG. 16 and FIG. 17, compared to the case of FIG.
It can be seen that the airflow is small.

In the case of the present invention, the large opening / closing section 2 has a shielding rate of 10%.
By blocking with 0% sheet, it is possible to prevent rainwater from directly entering building 1. In addition, the net having a shielding rate of 50 to 80% is hung down, and the air current passes through the opening of the net, thereby interfering with the air flow entering from the lower end of the net and the air current passing through the net, as shown in FIG. , To prevent air flow entrapment,
The airflow can flow in the horizontal direction. In this case, the weight at the lower end of the net is set so that the net does not turn over when the average wind speed at the top of the building 1, which is the maximum average wind speed during operation of the all-weather cargo handling equipment, is about 18 m / sec or less. 13 is installed.

FIG. 16 shows that by changing the length of the net, the air flow passing through the front net 7 collides with the rear net 8 and disturbs the air flow, thereby preventing the air flow from being entrained.

FIG. 17 shows that the air flow in each section in the vertical direction is changed so as to interfere with each other, thereby preventing the air flow from being entrained.

In order to avoid collision between the large opening / closing section 2 and the ship 22, if the large opening / closing section cannot be lowered to the hatch opening level of the hold, a shield such as a flexible sheet 14 is provided below the large opening / closing section. Drops objects to prevent rainwater from entering above the hatch level. Further, the front net 7 is constituted by a large number of front split nets 11,
By forming the rear net 8 with a large number of rear split nets 12, the gaps between the ship 22 and the front net 7 and the rear net 8 in the large opening / closing section can be reduced.

[0017]

According to the present invention, the front flexible sheet 5 and the rear flexible sheet 6 are lifted up and down at a position facing the large opening / closing section 2 in the building 1 having all-weather handling equipment. The front net 7 is suspended from the lower end of the front flexible sheet 5 and the rear net 8 is suspended from the lower end of the rear flexible sheet 6. The net 4 suspended under the flexible sheet 3 or the front net 7 suspended under the front flexible sheet 5 and the lower part of the rear flexible sheet 6 were suspended. It can be prevented by the rear net 8. That is,
The present invention can prevent entrainment of the airflow above by very simple means, and can also suppress the rise of mist-like rainwater, so that the ship can be used during rainfall without lowering product quality. Can be easily carried out.

[Brief description of the drawings]

FIG. 1 is a vertical sectional side view showing an airflow control device in a large opening / closing section of an all-weather cargo handling equipment building according to a first embodiment of the present invention.

FIG. 2 is a vertical sectional front view of FIG.

FIG. 3 is a perspective view showing a flexible sheet with a net according to the first embodiment of the present invention.

FIG. 4 is a side view showing the flexible sheet with a net in the first embodiment of the present invention.

FIG. 5 is a front view showing a front flexible sheet with a front net in the first embodiment of the present invention.

FIG. 6 is a front view showing a rear flexible sheet with a rear net in the first embodiment of the present invention.

FIG. 7 is a side view showing an airflow in the airflow control device according to the first embodiment of the present invention.

FIG. 8 is a vertical sectional side view showing an airflow control device in a large opening / closing section of an all-weather cargo handling equipment building according to a second embodiment of the present invention.

FIG. 9 is a front view showing an example in which cutouts are provided below the front net and the rear net.

FIG. 10 is a front view showing a front notch of a front net.

FIG. 11 is a front view showing a rear cutout of the rear net.

FIG. 12 is a sectional view taken along line AA of FIG. 9;

FIG. 13 is a sectional view taken along line BB of FIG. 9;

FIG. 14 is a front view showing a net attached to a lower end portion of a flexible sheet.

FIG. 15 is a side view of the portion shown in FIG.

FIG. 16 is a side view showing an airflow flowing through a short front net and a long rear net.

FIG. 17 is a side view showing an airflow flowing through a single net portion.

FIG. 18 is a side view showing an airflow flowing through a conventional large opening / closing unit.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 building 2 large open / close section 3 flexible sheet 4 net 5 front flexible sheet 6 rear flexible sheet 7 front net 8 rear net 9 front notch 10 rear notch 11 front split net 12 rear Split net 13 Weight 14 Shielding material 15 Overhead traveling crane 16 Side wall 17 Guide roller 18 Hoisting machine 19 Rope 20 Connecting member 21 Reinforced connecting member 22 Ship

Continuation of the front page (58) Field surveyed (Int. Cl. ⁶ , DB name) B66C 13/00 B65G 63/00 E04H 15/32

Claims (4)

(57) [Claims] 1. A front flexible sheet 5 and a rear flexible sheet 6 are hung up and down at a position facing a large opening / closing section 2 in a building 1 having an all-weather handling facility.
The front net 7 is hung on the lower end of the front flexible sheet 5,
An airflow control device in a large opening / closing part of an all-weather cargo handling equipment building in which a rear net 8 is hung at a lower end of a rear flexible sheet 6. 2. A front notch 9 is provided below the front net 7, a rear notch 10 is provided below the rear net 8, and the front notch 9 and the rear notch 10 do not overlap in the front-rear direction. The airflow control device in the large opening / closing part of the all weather type cargo handling equipment building according to claim 1 provided as described above. 3. The all-weather cargo handling equipment building according to claim 1, wherein the front net 7 and the rear net 8 are constituted by a large number of front divided nets 11 and a large number of rear divided nets 12 divided in the left-right direction. Airflow control device for large open / close section. 4. The airflow control device according to claim 1, wherein a weight 13 is attached to lower ends of the front net 7 and the rear net 8.