JPH11351797A - Underwater submarine launching apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an underwater submarine launching apparatus for launching an underwater submarine in an extremely short time. SOLUTION: The underwater submarine launching apparatus comprises a launching cylinder 15 having a launching port 19 for launching an underwater submarine 1 charged therein at its front end, a piston 16 disposed between a rear end in the cylinder 15 and the submarine 1 and having a valve 17 for injecting gas charged therein toward rearward, a valve opening/closing means 18 for releasing the valve 17, a front diaphragm 20 mounted at a front end of the cylinder 15 to cover the port 19, a sealing member 21 provided at an inner front end of the cylinder 15 for inscribing with the piston 16, and liquid 27 filled in the cylinder 15.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underwater vehicle launcher.

[0002]

2. Description of the Related Art FIG. 3 shows an example of a conventional underwater vehicle launcher. The underwater vehicle launcher includes a launching tube 2 loaded with an underwater vehicle 1 and an axis of the launching tube 2. A collecting tank 3 communicating with the middle part in the direction is provided, and a water supply means 4 for applying water pressure to the inside of the launching cylinder 2 via the collecting tank 3.

[0003] An opening 5 communicating with the collecting tank 3 is provided at an intermediate portion of the firing tube 2, and the opening 5 is opened and closed by a slide valve 6 which slides in the axial direction of the firing tube 2. Has become.

[0004] The water supply means 4 is provided with a water cylinder 8 provided with an opening 7 communicating with the collecting tank 3 and a seawater into the water cylinder 8 from outside such as a ship equipped with an underwater vehicle launcher. A water supply valve 9, an impeller 10 pivotally supported in the water cylinder 8 so as to correspond to a communication position with the collecting tank 3, an air turbine 12 driving the impeller 10 via a speed reducer 11, and compressed air. A fired gas reservoir 14 which is charged and supplies airflow to the air turbine 12 via a fired valve 13.

When the underwater vehicle 1 is emitted from the launch cylinder 2, the water supply valve 9 of the water cylinder 8 is opened, and the launch cylinder 2 is opened.
Open the lubrication valve 6 provided to the collecting tank 3 and the launch cylinder 2
Is filled with water, and then the door 2a provided at the tip of the launch tube 2 is opened.

Next, the firing valve 13 is opened, and the compressed air previously stored in the firing air storage 14 flows into the casing of the air turbine 12, and the expansion energy of the compressed air causes the air turbine 12 to operate. It drives and rotates the impeller 10 via the speed reducer 11.

When the impeller 10 rotates, seawater is sucked from the water supply valve 9 of the water cylinder 8, and the seawater pressurized by the impeller 10 is passed through the collecting tank 3 to the launch cylinder 2.
And the underwater vehicle 1 is launched by this water pressure.
Is emitted from the tip of.

[0008]

However, in the underwater vehicle launcher shown in FIG. 3, when the underwater vehicle 1 is ejected, the firing air storage 14 is filled with compressed air, and the launch cylinder by the air turbine 12 is used. It is necessary to perform preparatory work such as applying water pressure to the launching cylinder 2, and within a very short time,
The underwater vehicle 1 cannot be emitted from the vehicle.

The present invention has been made in view of the above-mentioned circumstances, and has as its object to provide an underwater vehicle launching apparatus capable of emitting an underwater vehicle from a launch tube in an extremely short time. I have.

[0010]

In order to achieve the above object, the underwater vehicle launcher of the present invention has a launch tube at the front end having a launch port from which an underwater vehicle mounted therein is emitted, A piston having a valve positioned between the rear end of the launch tube and the underwater vehicle and capable of ejecting the gas filled therein rearward, and valve opening / closing means capable of opening the valve; A front diaphragm attached to the front end of the launch cylinder so as to cover the launch port, and a seal member provided at the inner front end of the launch cylinder and in which the piston can be inscribed, and the liquid is injected into the launch cylinder. Is filling.

In the underwater vehicle launch device of the present invention,
When the valve is opened to a predetermined opening by the valve opening / closing means,
A piston, which is moved by the injection pressure of the filling gas, pushes the underwater vehicle toward the launch port and emits the underwater vehicle to the outside of the launch tube.

At this time, the front end of the underwater vehicle breaks the front diaphragm, and the piston comes in contact with the seal member to suppress the diffusion of bubbles to the outside of the launch tube.

[0013]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows an example of an embodiment of an underwater vehicle launcher according to the present invention. The underwater vehicle launcher includes a launching tube 15 into which an underwater vehicle 1 is loaded, It has a piston 16 located at the rear end inside the firing cylinder 15 and valve opening / closing means 18 capable of opening a valve 17 of the piston 16.

The launching tube 15 has at its front end a launching opening 19 from which the underwater vehicle 1 loaded therein is emitted, and the forward end of the launching tube 15 covers the launching opening 19. A front diaphragm 20 is attached.

When the piston 16 moves forward along the inner surface of the launching tube 15, the front end of the piston 16 can come into contact with the inner front end of the launching tube 15, and the underwater vehicle 1 passes through. A ring-shaped sealing member 21 to be obtained is provided.

The piston 16 is formed in a hollow shape capable of compressing and filling a gas therein, and has a piston body 22 at a rear end having a valve 17 capable of ejecting the filled gas rearward. And an extruding portion 23 projecting forward so as to be able to contact the rear end of the underwater vehicle 1, and the extruding portion 23 has a part of a tip as shown in FIG. It is formed in a cylindrical shape so that the inclined end surface of the enlarged diameter portion that fits with the member 21 and is continuous with the fitting portion can be in close contact with the seal member 21.

A towing cable (not shown) is stored inside the push-out portion 23 of the piston 16.

The valve 17 is provided with a valve opening / closing means 18.
Thus, the opening degree can be appropriately adjusted, and by appropriately setting the ejection amount of gas ejected from the inside of the piston body 22 via the valve 17,
The launch speed of the underwater vehicle 1 extruded by the piston 16 can be controlled.

The valve opening / closing means 18 can be engaged with the rear end of the valve 17 of the piston 16 inserted into the rear end of the firing cylinder 15 to set the opening of the valve 17 and open / close the valve 17. And a tip member 24 capable of locking the piston 16 at a predetermined position, and a shaft sealing means 25 extending from the tip member 24 along the axis of the firing cylinder 15 and provided at the rear end of the firing cylinder 15. And an operation bar 26 protruding outside the launching tube 15.

When the opening of the valve 17 is set or the underwater vehicle 1 is fired by operating the tip member 24 through the operation bar 26, the set opening is set to the set opening. As soon as the valve 17 is opened, the locking of the piston 16 can be released.

Further, a rust preventive liquid 27 is
Is filled, and the inside of the firing cylinder 15 and the inside of the firing cylinder 15 are kept in a uniform pressure state by the front diaphragm 20 described above.

When the underwater vehicle 1 is to be fired within a short period of time after the underwater vehicle 1 is loaded into the launch tube 15, water or the like may be used as the liquid 27.

When launching the underwater vehicle 1 from the launch tube 15, the operation bar 26 of the valve opening / closing means 18 is operated to release the engagement of the piston 16 with the launch tube 15, and at the same time Is opened to a predetermined opening.

When the valve 17 of the piston 16 is opened, the piston 16 pushes the underwater vehicle 1 toward the launch port 19 by the expansion energy of the gas ejected from the inside of the piston body 22 through the valve 17, and the launch port is opened. The underwater vehicle 1 is emitted from 19 to the outside of the launch tube 15.

At this time, the front end of the underwater vehicle 1 breaks the front diaphragm 20 and projects out of the launch tube 15.

As shown in FIG. 2, the piston 16 after the underwater vehicle 1 has been ejected from the launch tube 15 has a pusher 23 at the tip of the piston 16 and a seal member 21 at the inner tip of the launch tube 15. Launch cylinder 1 stops in contact with and comes into close contact with
5 is sealed.

As described above, in the underwater vehicle launching apparatus shown in FIGS. 1 and 2, the locking of the piston 16 is released by the valve opening / closing means 18 and the piston 16
By opening the valve 17 of the piston body 2
2 is injected, and the expansion energy of the gas causes the piston 16 to project the underwater vehicle 1 into the launch port 19.
, The underwater vehicle 1 can be emitted from the launch tube 15 in an extremely short time.

Further, the tip of the push-out portion 23 of the piston 16 after the underwater vehicle 1 has been emitted from the launching tube 15 is fitted to and tightly attached to the seal member 21 provided at the front end of the launching tube 15 for launching. Since the inside of the cylinder 15 is sealed, the piston 1
Gas bubbles ejected from 6 do not leak to the outside from the launch port 19 of the launch tube 15.

The underwater vehicle launcher of the present invention is not limited to the above-described embodiment, but various modifications can be made without departing from the scope of the present invention.

[0031]

As described above, according to the underwater vehicle launch device of the present invention, the following various excellent effects can be obtained.

(1) When the valve is opened to a predetermined opening degree by the valve opening / closing means, the piston moving by the injection pressure of the filling gas pushes the underwater vehicle toward the launch port.
The underwater vehicle can be emitted from the launch tube in an extremely short time.

(2) After the underwater vehicle has been emitted, the piston comes into close contact with the seal member provided at the tip of the launch cylinder to seal the interior of the launch cylinder, so that gas bubbles ejected from the piston are released. Does not leak out of the launch tube.

(3) Since the structure is simple, miniaturization and weight reduction can be achieved.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of an example of an embodiment of a submerged vehicle launcher of the present invention.

FIG. 2 is a conceptual diagram showing an engagement state between a piston tip and a seal member related to FIG. 1;

FIG. 3 is a configuration diagram schematically showing an example of a conventional underwater vehicle launching device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Underwater vehicle 15 Launch cylinder 16 Piston 17 Valve 18 Valve opening / closing means 19 Launch port 20 Front diaphragm 21 Seal member 27 Liquid

Claims (1)

[Claims] 1. A launching tube having a front end provided with a launching opening from which an underwater vehicle mounted therein is emitted, and a space between the rear end of the launching tube and the underwater vehicle and filling the inside. Piston having a valve capable of ejecting the emitted gas rearward,
Valve opening / closing means capable of opening the valve, a front diaphragm attached to the front end of the launch tube so as to cover the launch opening, and a seal provided at the internal front end of the launch tube and in which the piston can be inscribed An underwater vehicle launch device, comprising: a member; and a launch cylinder filled with a liquid.