JP3498174B2 - Door mechanism - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a fire door, a waterproof door, or a bulk material such as coal, limestone, iron ore stone, wood chips, etc., which is installed in a bulk carrier without being packed, for example, in a building. Related to a door mechanism having a door body that requires an extremely high degree of airtightness such as a fireproof and watertight door in a bulk carrier that operates by loading in a fixed cargo compartment, especially a bulk carrier equipped with a self-unloading system Is.

[0002]

2. Description of the Related Art Conventionally, partition walls, etc. for partitioning a ship's hold in the front and rear direction in indoor entrances and corridors of buildings, etc. and bulk carriers equipped with a self-unloading system,
A door mechanism with a fireproof / watertight door is provided to prevent the spread of damage such as fire and water damage.

As a door mechanism provided with a door body having such fire resistance and water tightness, for example, one having a structure shown in FIG. 5 is known.

This door mechanism is provided on the bulkhead of a bulk carrier, and the opening / closing drive mechanism 2a composed of a fluid pressure cylinder for raising and lowering the door body 1a has a simple mechanism, and the raising / lowering operation is performed quickly and smoothly. In addition to being opened, it can be opened and closed by remote control, but the degree of sealing with the wall 3a is not sufficient.

Therefore, it is necessary to employ the close contact device 6a using the screw screw 5a which is operated by the manual lever 4a.

However, in the event of a disaster such as a stranding, a collision, or a fire, it is extremely difficult and impractical for the operator to approach the close contact device 6a located at the disaster location, which is extremely difficult.

Further, the close contact device 6a using the screw screw 5a is often inoperable in an emergency due to its complicated mechanism. In order to avoid this, frequent maintenance / inspection is required. There are problems such as requiring a great deal of labor and expense.

[0008]

The problem to be solved by the present invention is that the door mechanism of the conventional door body having fire resistance and watertightness as described above requires a great deal of labor and cost for maintenance and inspection. Or, it is not practical because it requires manual operation.

[0009]

According to the present invention, a wedge-shaped slide shoe for pressing the door body against the wall body when the door body is closed is arranged at a proper position on the inner surface of the support frame. As a means for solving the above-mentioned problems with the configuration, when the door body is closed, the closeness between the door body and the wall body is sufficient to prevent the spread of a disaster, as well as to prevent the door body from being remotely operated. The object is to provide a door mechanism that can be opened and closed, is practical, and is extremely easy to maintain.

[0010]

When the door is closed, the door is brought into close contact with the wall by the wedge-shaped slide shoe arranged on the back surface of the support frame.

[0011]

Embodiments of the present invention will now be described in detail with reference to the drawings.

1 to 4 show an example in which the present invention is carried out on a bulk carrier, and the bulk carrier is appropriately arranged in the front-rear direction by means of a wall body 2 having a ship carrier 1 as a plurality of partition walls. A plurality of cargo holds 4 are provided at the bottom of the cargo hold 4 in which a cargo hold 4 for accommodating bulk material is arranged with a space 6 between the bottom 5 and a cargo hold 3 formed by being partitioned at intervals. Individual outlet 4
Remove the bulk pieces cut out from 1 along the outlet 41 to each wall 2
The cutting conveyor 8 which is an endless belt conveyor arranged in the empty space 6 to sequentially pass through the openings 7 formed in It is carried out overboard.

An opening 7 is formed in a space 6 formed between the cargo hold 4 and the ship bottom 5 of the wall body 2, and an opening portion 81 of the cutting conveyor belt 8 is formed in the opening 7. The return path portion 82 is disposed so as to penetrate therethrough.

The rear surface 21 of the wall 2 has the opening 7
A support frame 10 is attached which surrounds the upper part and the opening 7 part.

A door 11 for opening and closing the opening 7 formed in the wall 2 is provided in the support frame 10.

The door body 11 is hung up and down by an opening / closing drive mechanism 12 which is fixed to the back surface 21 of the wall body 2 and is composed of, for example, a fluid pressure cylinder using hydraulic pressure.

In particular, the left and right side surfaces 111, 11 of the door body 11
A plurality of guide wheels 13 that travel while contacting the inner surface of the side plate 101 and the inner surface of the back plate 102 of the support frame 10 are arranged on the first and rear surfaces 112, respectively, and they move up and down extremely lightly.

Further, packings 14 and 15 made of, for example, synthetic rubber are attached to the peripheral edge of the surface 113 of the door 11 and the lower end surface 114.

Further, the back surface 112 of the wall body, which is an opposite surface of the door body 11, has the following structure when the door body 11 is closed.
Another frame-shaped watertight packing 16 that matches the watertight packing 14 is attached.

Further, a watertight packing 17 is in contact with a watertight packing 15 attached to a lower end surface 114 of the door 11 on the inner surface of the lower frame 101 of the support frame 10 when the door 11 is closed. It is formed continuously with the watertight packing 16 attached to the.

Furthermore, on the inner surface 102 of the support frame 10,
A plurality of wedge-shaped slide shoes 18 are provided at appropriate places.

In this embodiment, the opening / closing drive mechanism 12 is usually used.
Thus, the door 11 is held in a raised state.

In this state, the opening 7 formed in the wall 2 is in an open state, and the bulk conveyor can be unloaded from each cargo hold using the cutting conveyor 8 without any trouble.

Then, for example, in the case of a stranding during operation, a collision with another ship or the like, or a fire in the void 6 or the like, the door body 11 is lowered by the opening / closing drive mechanism 12. The opening 7 formed in the wall 2
Close.

At this time, the watertight packing 14 attached to the front surface 113 of the door body 11 matches the watertight packing 16 attached to the rear surface 22 of the wall body 2, and the door body 1
The watertight packings 15 attached to the lower end surface 113 of the No. 1 come into close contact with the watertight packings 17 attached to the lower frame 101 of the support frame 10, respectively, and close the opening 7 in a watertight state. Can be very effectively prevented from reaching the entire area of the boat.

In particular, in this embodiment, the inner surface 10 of the support frame 10 is
A wedge-shaped slide shoe 18 protruding from the second presses the door body 11 toward the wall body 2.

Therefore, when the door body 11 is closed, the door body 11
Will surely come into pressure contact with the wall 2 to maintain a fireproof and watertight state.

In this embodiment, the door body 1 having a single sheet structure is used.
1 has been described, for example, a portion between the forward path portion 81 and the return path portion 82 of the cutting conveyor 8, and further, the return path portion 82.
It goes without saying that the same can be applied to the door body having a plurality of sheets divided into the lower part of the door.

Further, although the present embodiment is applied to the bulkhead of the bulk carrier, the present invention can also be applied to a disaster prevention door of a building.

[0030]

According to the present invention having the above-mentioned structure, the opening / closing drive mechanism composed of the fluid pressure cylinder is used to move up and down, so that the opening formed in the wall can be swiftly and smoothly operated by remote control. Can be opened and closed.

In particular, when closed, the wedge-shaped slide shoe presses the door body toward the wall body, so that the door body can be surely brought into close contact with the partition wall to close the opening.

Further, according to the present invention, unlike the conventional fireproof / watertight door, a close-up device which is large and difficult to operate remotely is not required, and the wedge-shaped slide shoe presses the door body against the partition wall and raises the door body. It is pressed and held securely at a predetermined position, and the entire device is small, especially effective not only in a ship with a small occupied space, but it is economically advantageous because it is low in equipment cost and maintenance. It is also easy to use, and it is suitable not only for emergency doors such as buildings but also for special purposes such as bulk carriers.

[Brief description of drawings]

FIG. 1 is a schematic view showing a bulk carrier embodying the present invention.

FIG. 2 is a diagram showing a main part of the bulk carrier shown in FIG. 1 at the time of release in an embodiment of the present invention.

3 is a cross-sectional view taken along the line III-III in FIG.

FIG. 4 is a view showing a closed state of FIG.

FIG. 5 is an explanatory view showing a conventional example, in which (a) is an open state,
(B) shows the closing time.

[Explanation of symbols]

2 walls 7 openings 10 Support frame 11 door body 12 Open / close drive mechanism 18 slide shoes

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Yutaka Omori Inventor Yutaka Omori 2-28 Asahi-cho, Omuta-shi, Fukuoka Mitsui Miike Manufacturing Co., Ltd. Miike Plant (72) Inventor Kazuyuki Ouchi 2-chome Toranomon, Minato-ku, Tokyo No. 1 in Osaka Merchant Shipping Mitsui Shipping Co., Ltd. (72) Inventor Masao Fukushima 2-1-1 Toranomon, Minato-ku, Tokyo Inside Osaka Merchant Shipping Mitsui Shipping Co., Ltd. (72) Yuuji Uehara 2-1-1 Toranomon, Minato-ku, Tokyo (56) References JP-A-5-124576 (JP, A) Actual development 63-14790 (JP, U) Actual development 61-26723 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) E05F 15/08 E06B 5/16 E06B 7/16 B63B 25/04

Claims (2)

(57) [Claims] 1. A door mechanism having a door body which opens and closes the opening portion by opening and closing the opening portion of the wall body by an opening and closing drive mechanism including a cylinder , the back surface of the wall body including the opening portion and the opening portion.
Surround the upper part of the
Is attached to the door body , the door body is attached along the wall body, and the left and right side surfaces of the door body and
A plurality of guide wheels arranged on the back surface are supported so as to be able to move up and down between the support frame and the wall body, which are in contact with each other, and the door body is closed when the door body is closed. double in place of the inner surface wedge-shaped slide shoe for pressing the body into the wall while holding the lift is held at a predetermined position in the support frame
A door mechanism that is characterized by being arranged in several pieces . 2. An endless belt type cutting conveyor for collecting bulk material taken out from the bottom of the cargo hold at a predetermined position on the bow or stern in a void formed between the bottom of the cargo hold and the cargo hold. In a bulk carrier in which is arranged, a partition wall for partitioning the hull through the cargo hold and the bottom of the ship at an appropriate interval in the front-rear direction, the opening being an insertion hole of the cutting conveyor formed in the partition wall. The door mechanism according to claim 1, wherein