JP3469004B2 - Air cushion ship - 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 cushion ship, and more particularly to an air cushion ship capable of suppressing shaking of the hull.

[0002]

2. Description of the Related Art Generally, since an air cushion ship sails while being supported above the water surface by the air pressure in an air cushion room at the bottom of the hull, the hull is less swayed by waves, and therefore, the hull is designed to cope with rolling of the hull. Little structural consideration was given.

[0003]

However, if the air cushion ship receives a lateral wind or the like to cause a lateral inclination of the hull, it may be in a dangerous state due to poor stability.
Therefore, the present invention appropriately divides the air cushion chamber,
An object of the present invention is to provide an air cushion ship that is capable of generating a restoring force due to air pressure when the hull is tilted laterally and suppressing roll and lateral sway of the hull.

[0004]

In order to solve the above-mentioned problems, an air cushion ship according to claim 1 of the present invention is an air cushion ship having an air cushion chamber at the lower part of the hull, and the air cushion chamber is divided into right and left sections. A vertical partition wall is installed along the center line of the hull, and an air supply fan is provided to supply air to the left and right compartments. An opening adjustment louver is provided in the upper opening that communicates with the atmosphere, and an opening that communicates the left and right compartments is provided in the vertical partition, and an opening adjustment louver is also provided in the opening. And is equipped with a sensor to detect hull roll.
And the left and right sides according to the detection signal from the same sensor.
Opening type louvers at the upper opening of each compartment
And the opening adjustment type ruler at the opening of the vertical partition.
It is characterized in that a controller for controlling the opening degree of the bar is provided .

In the above-described air cushion ship of the present invention, since a vertical partition wall is provided for partitioning the air cushion chamber into left and right compartments, when the hull leans sideways due to a side wind, it descends in the air cushion chamber. The air pressure in the compartment on the one side increases and the air pressure in the compartment on the other side decreases, which causes a force to restore the hull to the normal position.
At that time, in order to further increase the restoring force, the louver at the upper opening of the ascending-side compartment may be temporarily opened.

When the hull returns from the tilted state to the normal posture due to the restoring force, the louver in the upper opening of the descending tilted compartment is suppressed in order to prevent the hull from returning too much and tilting to the opposite side. The opening action is performed, and the louver at the opening of the vertical partition is also operated to be temporarily opened.

In this way, the rolling of the hull is suppressed, but if the compartment on the opposite side is inclined downward,
In order to restore this, the same operation as that performed for returning the compartment on the descending side to the normal posture is performed.

When the sway of the hull occurs, the louver of the opening in the vertical bulkhead is opened, whereby the compartment of the air cushion chamber alternates to the other compartment through the opening. An air flow that flows in the direction is generated, and a force that suppresses the left-right shaking is generated. The above-mentioned adjustment of the opening of each louver is performed according to the degree of rolling or lateral shaking of the hull.

Furthermore, in accordance with a detection signal from a sensor for detecting a rolling of the ship body, louvers opening adjustment of the opening degree adjustment and the longitudinal partition walls of each louver in the compartments of the left and right of the air cushion chamber is performed since the control unit is provided so as, now suppress manipulate rolling of the hull is automatically accurately performed, so that the safety of the air cushion vehicle is enhanced.

[0010] Air cushion vehicle according to claim 2 of the present invention, with the sensor for detecting the sway of the hull are provided, opening adjustable louver at the opening of the vertical barrier rib according to a detection signal from the sensor It is characterized in that a controller for controlling the opening is provided.

As described above, the controller is so arranged that the opening degree of the louver at the opening of the vertical partition for dividing the air cushion chamber into the left and right compartments is adjusted in accordance with the detection signal from the sensor for detecting the lateral vibration of the hull. With the provision of, the force for suppressing the lateral sway of the hull is automatically generated, and the safety of the air cushion ship is further enhanced.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION An air cushion ship according to an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a cross sectional view of the hull (a cross sectional view taken along the line BB of FIG. 2), and FIG. A longitudinal sectional view of the hull (a sectional view taken along the line AA of FIG. 1) and FIG. 3 are block diagrams showing the control system thereof.

As shown in FIGS. 1 and 2, at the bottom of the hull 1,
Both side portions 1a, 1b and an airbag-like bow seal 4
An air cushion chamber 2 surrounded by the stern seal 5 is formed. The air cushion chamber 2 is partitioned into left and right compartments 2a and 2b by a vertical partition wall 1c extending along the center line of the hull, and the seals 4 and 5 are also bisected by the vertical partition wall 1c.

The air supplied from the air supply fan 3 in the center of the hull directly to the compartments 2a and 2b, and the bow seal 4 and the stern seal 5 from the bow air supply fan 3F and the stern air supply fan 3A, respectively. Air passage through the interior 1
The air supplied to each of the compartments 2a and 2b through 1, 12 floats the hull 1 by the air cushion effect on the sea surface W, so that the ship can be sailed with a low resistance.

Further, in order to appropriately discharge the air from the inside of the compartments 2a and 2b to adjust the attitude of the hull 1, the opening-adjustable louvers 6a are provided in the upper openings 13a and 13b communicating with the atmosphere of the compartments 2a and 2b. , 6b are provided, and the vertical partition wall 1c is provided with an opening 8 for communicating the left and right compartments 2a, 2b, and the opening is also provided with an opening degree adjustable louver 9.

Further, there is provided a sensor 7 for detecting rolling and lateral swaying of the hull 1, and a controller 10 which receives a signal from the sensor 7 via an amplifier 7a allows the opening-adjustable louvers 6a, 6b, The opening degree of 9 is controlled.

In the air cushion ship of the present embodiment constructed as described above, since the vertical partition wall 1c for partitioning the air cushion chamber 2 into the left and right compartments 2a and 2b is provided, the hull 1 receives side winds and moves laterally. When tilted to (water surface W → W ′), the air pressure of the compartment 2a on the descending side of the air cushion chamber 2 increases, and the air pressure of the compartment 2b on the opposite side decreases, whereby the hull 1 The power to restore the normal posture is generated. At that time, in order to further increase the restoring force, the louver 6b in the upper opening 13b of the ascending-side compartment 2b may be temporarily opened.

When the hull 1 returns from the tilted state to the normal posture due to the restoring force, it is prevented that the hull 1 returns too much and leans to the opposite side.
The louver 6a in the upper opening 13a is opened, and the louver 9 in the opening 8 of the vertical partition 1c is also temporarily opened.

In this way, the rolling motion of the hull is suppressed, but when the compartment 2b on the opposite side is in the state of descending, it is restored. Therefore, for the same compartment 2b, the aforementioned descending inclination is performed. The same operation as performed for returning the compartment 2a on the operating side to the normal posture is performed.

When the sway of the hull occurs, the louver 9 of the opening 8 in the vertical partition wall 1c is opened, whereby the compartment 2a (or 2b) of one of the air cushion chambers is opened through the opening 8. ) To the other compartment 2b
(Or 2a), an air flow that alternately flows is generated, and a force that suppresses the lateral sway is generated.

The above-mentioned adjustment of the opening degree of each louver 6a, 6b, 9 is performed by a control signal from the controller 10 according to the degree of rolling or lateral shaking of the hull 1. That is, according to the roll detection signal from the sensor 7 that detects the roll of the hull 1, the opening adjustment of the louvers 6a and 6b in the left and right compartments 2a and 2b of the air cushion chamber and the louver 9 in the vertical partition wall 1c are performed. Controller to adjust the opening of
Since 10 is provided, the operation for maintaining the normal posture of the hull 1 is automatically and accurately performed, and the safety of the air cushion ship is improved.

The louver 9 in the opening 8 of the vertical partition wall 1c, which divides the air cushion chamber into left and right compartments 2a and 2b, according to the left / right swing detection signal from the sensor 7 which also detects the left / right swing of the hull 1. Since the controller 10 is provided so that the opening degree is also adjusted, the force for suppressing the lateral swing of the hull 1 is automatically generated, and the safety of the air cushion ship is further enhanced. FIG. 3 is a block diagram showing the control system as described above.

[0023]

As described in detail above, according to the air cushion ship of the present invention, the following effects can be obtained. (1) Since a vertical partition that divides the air cushion chamber into left and right compartments is provided, when the hull inclines to the side due to cross wind, the air pressure in the descending compartment of the air cushion room increases, The air pressure in the compartment on the opposite side will decrease, and this will generate a force to restore the hull to its normal position . And the sensor that detects the rolling of the hull
Since a controller that can adjust the opening of the louver at each upper opening of the left and right compartments of the air cushion chamber and the louver at the opening of the vertical partition is provided according to the detection signal from the sensor ,
It is possible to accurately suppress the shaking of the hull. (2) When the controller for controlling the opening of the louvers by a signal from a sensor for detecting the left-to-right swaying of the hull at the opening of the vertical partition wall is provided, on the time of rise to the left right swing the hull
Adjustment of the opening degree of the serial louver is to be automatically performed, thereby suppressing force properly play the sway of the hull
As it twists, the safety of the air cushion ship will be greatly improved.

[Brief description of drawings]

FIG. 1 is a horizontal cross-sectional view of a hull showing an air cushion ship according to an embodiment of the present invention (cross-sectional view taken along the line AA of FIG. 2).

FIG. 2 is a sectional view taken along the line BB of FIG.

FIG. 3 is a block diagram showing a control system for preventing shaking of the air cushion ship shown in FIGS.

[Explanation of symbols]

1 hull 1a, 1b Ship side 1c Vertical partition 2 Air cushion room 2a, 2b compartments 3,3A, 3F Air supply fan 4 Bow seal 5 stern seal 6a, 6b Opening adjustable louver 7 sensors 7a amplifier 8 openings 9 Opening type louver 10 controller 11, 12 air passage 13a, 13b Upper opening W, W'water surface

─────────────────────────────────────────────────── ─── Continuation of front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) B60V 1/12

Claims (2)

(57) [Claims] 1. An air cushion ship having an air cushion chamber at a lower portion of a hull, wherein vertical partition walls for partitioning the air cushion chamber into left and right compartments are arranged along a hull centerline and to the left and right compartments. Each of the left and right compartments is equipped with an air supply fan, and an opening adjustment louver is installed in the upper opening that connects the upper parts of the left and right compartments to the atmosphere in order to suppress the shaking of the hull. An opening that connects the compartments is provided, and an opening-adjustable louver is also provided at the opening to detect hull roll.
There is a sensor to output the
Depending on the output signal, in the opening above the left and right compartments
The opening of each adjustable louver and the opening of the vertical partition
The controller that controls the opening of the adjustable louver
An air cushion ship characterized by being provided . 2. The air cushion ship according to claim 1, further comprising a sensor for detecting left and right sway of the hull, and an opening degree adjustable louver at an opening of the vertical bulkhead according to a detection signal from the sensor. An air cushion ship, characterized in that a controller for controlling the opening is provided.