JPS6390495A - Cylindrical sonobuoy of telescope type - Google Patents

Abstract

PURPOSE:To promote the reduction of space in an aircraft for storing a sonobuoy to be housed, by forming the miniaturized sonobuoy of telescope type building its receiver, transmitter, amplifier, etc. to be formed in small size and light weight. CONSTITUTION:A sonobuoy, if it reaches the surface of the sea, lifts a pressure receiving plate 12 and a supporting pawl 50, which are built in a cylinder mouth metal 10, to the upper by a colliding pressure against water, dislocating the supporting pawl 50 from a supporting pawl groove 53 by acting force of a supporting pawl spring 51, and the pressure receiving plate 12 is released being thrown out into the seawater together with a series of parts of a dying tube 29, wave receiver retaining plate 13, wave receiver 25 and a wave receiver receiving plate 26. The drying tube 29 floats on the surface of the sea while dissolves, and the wave receiver sinks into the sea while extending a lead wire 55. An antenna 42 is opened being vertically positioned, and the sonobuoy, in which a battery starts to be discharged, turns on a beacon light 44 actuating the wave receiver, radio receiver, amplifier and a transmitter.

Description

Detailed Description of the Invention (a) Industrial Application Field This invention reduces the body volume when stored, and when used, the inner cylinder and outer cylinder are stretched in stages. This invention relates to a sonobuoy that is used by increasing its volume and increasing its buoyancy in sea water.

(b) Conventional technology Conventionally, sonobuoys, which are assembled into a single cylinder with a receiver, receiver, amplifier, transmitter, power supply, battery, etc., have an outer diameter of 12 mm.
The cylindrical type with an outer diameter of 124 mm and a length of 6 mm is most commonly used.
10 mm (hereinafter referred to as "P type"), outer diameter 76 wear, length 5
Type 33 (hereinafter referred to as ``Type B'') is also used. Type A has an extremely large cylindrical volume compared to the body volume of the parts when it is internally assembled, has unnecessary body volume, and lacks efficiency in the volume of the storage area. In particular, when flying an aircraft, there is a limit to the cargo capacity, and sonobuoys with a large body volume have a small cargo capacity. The cylinder volume is also small, and when dropped from an aircraft, due to lack of buoyancy, it dives deep under the sea surface at the moment of landing, and due to water pressure and water resistance until it resurfaces.
Problems tend to occur in the deployment of the antenna and the extension of the submerged receiver lead wires, and they are easily affected by waves when floating, which reduces the horn buoy function.

(c) Problems to be solved by the invention This invention uses smaller and lighter parts to internally assemble a smaller receiver, transmitter, amplifier, etc., thereby reducing unnecessary body volume. By making it smaller, it is possible to improve the efficiency of space for storage, especially on aircraft, and increase the body volume when in use, allowing it to be stably buoyed with sufficient buoyancy on the sea surface, and for electronic and acoustic equipment. The aim is to obtain a sonobuoy that can effectively demonstrate its functions.

B) Means for solving the problems The present invention will be explained as follows based on the drawings of the embodiments.

In FIGS. 1 to 8, the base barrel 6 forms an outer rim at the upper barrel opening, the base lid 11 is screwed onto the upper barrel opening and the dissolving plug 59 is assembled, and the base lid 11 is screwed into the lower opening and forms the outer rim. There is a cylindrical lob rim 52, a groove 54 for the hook, and a pressure receiving plate 1 on the inner periphery.
A base cylinder 1 is composed of a base cylinder 1 and a cylinder cap 10 forming a support claw groove 53 for hooking a support claw 50 of No. 2, and a middle cylinder body 7 having an inner rim formed at a lower cylinder mouth and an outer rim formed at an upper cylinder mouth on the outside of the base cylinder 1. A middle cylinder 2, which is constructed by screwing and assembling a middle cylinder lid 21 with a communication hole 28, is fitted onto the upper cylinder opening, and an inner rim similar to the middle cylinder 2 is fitted on the outside of the lower cylinder opening. A dish-shaped outer cylinder lid 32 is attached to the upper cylinder opening, which has a petal edge 60 with an equally divided rectangular wave shape and a U-shaped groove on the peripheral surface, and a dissolving plug 59 incorporated in the bottom plate. It has a multi-stage structure in which an outer tube (3) is fitted over the base fmlK injection tube 9, and an insertion port 31 is provided on the tube cap 10 side, and a sealing valve 30 is provided on the base lid 11 side.
is attached, and the battery chamber partition 15, the watertight partition 14 with the seal 58 fitted around the circumference and the melting plug 59 assembled are fixed in the cylinder to partition the electronic equipment chamber 24, the battery chamber 23, and the receiver chamber 22. A power supply, a receiver, an amplifier, and a transmitter are installed in the electronic equipment room 24, a battery is installed in the battery room 23, and a cartridge switch 17 is installed on the lower surface of the battery room partition wall 15 in the receiver room 22.
, a receiver spring 27 is fixed, a receiver tray 26 is placed below the receiver spring 27, a receiver 25 has a long receiver lead wire 55 wound around it, and a receiver holds a dye tube 29. Push plate 1
3 are assembled one on top of the other, and the lower part thereof is covered with a pressure receiving plate 12 on which a support claw spring 51 and a support claw 50 acting in pairs are assembled, and the claw at the end of the support claw 50 is formed on the inner circumferential surface of the cylindrical cap lO. It is fitted into the supporting claw groove 53 to fixedly support the entire component inside the receiver chamber 22.

A pin cartridge 16 having an antenna 42, a marker light 44, and a cartridge bin 40 is fixed to the dish part of the outer cylinder M32, and a pin cartridge 16 having an antenna 42, a marker light 44, and a cartridge bin 40 is fixed to the top of the outer cylinder lid 32. , Figure 1, Figure 2, Figure 3, Figure 4
9, each wing 4 with a hawk 49 attached thereto is assembled with a yoke 18 with a hinge pin 46 and a hinge spring 63, with a yoke bolt 19 and a washer 4.
7. Insert into the rotating bearing 20 at the center of the top of the head with the nut 48,
A spring press plate 43 with an outer cylinder lid spring 45 attached to the lower surface is fixed to the inner middle part, and a petal R61 is shaped so that it can be fitted symmetrically to the petal edge 60 of the U-shaped groove provided on the outer cylinder lid 32. In the case where the support lid 5 with the auxiliary umbrella 68 formed on the lower periphery is mounted on the support lid 5 to slow down the falling speed in the air with a parachute, the parachute 65 assembled with the auxiliary umbrella 68 is folded and stored, and the opening weight 66 is Install, support lid 5 on the inner middle part
A spring holding plate 43 with an outer cylinder lid spring 45 similar to that assembled on the lower surface is fixed, a cylinder lid prim 80 is fixed to the outer periphery, and a storage cylinder lid 64 forming a petal edge 67 on the lower periphery is mounted. .

Engage the support M5 or the petal a61.67 of the storage tube lid 64 with the petal edge 60 of the outer tube lid 32, and insert the spring into the U-shaped groove.
The ring 41 is fitted and tightened, and the cartridge bin 40 is inserted into the spring ring end holes 62 at both ends of the ring 41 to securely connect the fall slowing mechanism to the head of the outer cylinder 3. Middle tube 2,
Inside the cylinder of the outside [3] are cartridge lead wires 57 for electrically connecting the pin cartridge 16, cartridge switch 17, and power source, as well as the antenna 42, indicator light 44, receiver, and transmitter. Place the wiring in a long, overlapping state with the antenna, marker light, and 1IJ56 electrically connected between them.

In order to fix the middle cylinder 2 and the outer cylinder 3 in an extended state with the base cylinder 1 as a reference, the upper rims of the base cylinder body 6 and the middle cylinder body 7 are shown in FIGS. 1, 6, 7, and 8. The outer peripheral surfaces of the lower rims of the middle barrel 7 and the outer barrel 8 are the inner barrel surfaces of the middle barrel 7 and the outer barrel 8, respectively, and the inner circumferential surfaces of the lower rims of the middle barrel 7 and outer barrel 8 are the base barrel 6 and the middle barrel 8, respectively. A plurality of two-pronged spring grooves 33 and 35 are dug into the inner peripheral surfaces of the inner rims located below the middle cylinder body 7 and the outer cylinder body 8, respectively. A latch spring 34 is fixed to the bottom of each groove, and a latch spring 34 is fixed to the bottom of each groove.
A latch spring receiver 1!11136.38 into which the top side of the latch spring 34 fits is dug into the upper circumferential surface of the outer surface of the base barrel 6 and the middle barrel 7, respectively. 7
Fit °O" rings 37 and 39 around the corners of the upper outer rim, and attach °O" rings 37 and 39 to the upper surfaces around the inner rims of the cylinder mouths of the middle cylinder body 7 and the outer cylinder body 8.
Forms a receiving surface.

2) Function To explain the operation of this sonobuoy regarding its structure, excluding the acoustic and wireless functions, as shown in Figures 1 to 11, when it is stored in a warehouse or on board an aircraft, the inner cylinder is normally placed inside the outer cylinder 3. 2, the base fi11 is stored in the middle cylinder 2, and the wing 4 is
Alternatively, the parachute 65 may be folded with a fall slowing mechanism connected to the upper part of the outer cylinder 3 (hereinafter referred to as a "shortened state sonobuoy"). When loading the launcher installed on the aircraft on the ground, the sonobuoy is inserted into the launch tube 69 from the ejection port in the form of a shortened sonobuoy. The lower surface of the barrel cap 10 fits into the saucer 70JC to be assembled to the bottom of the firing barrel 690, and while compressing the firing spring 71, the plurality of link claws 72 of the barrel mouth full grip mechanism each engage the claw springs 730.
The hook fits into the groove 54 along the outer shape of the tube cap 10 while resisting the repulsive force.

At the same time, the gas supply lower 9 is inserted into the insertion port 31.

By locking the actuator 74 of the barrel full handle mechanism, the link claw 72 of the sonobuoy in the shortened state holds the barrel cap 10 firmly, and movement in the cross-sectional direction is controlled by the barrel rim 52.
, it is stably held within the firing tube 69 by the outer diameter surface of the folded wings 4 or the tube cover prim 80.

Immediately before injection, the sonobuoy extends from the shortened state, so inject tf! from the gas supply lower 9! When compressed gas or air is fed into the cylinder 9, the sealing valve 30 opens, and the compressed gas etc.
inside the cylinder, passing through the communication hole 28 of the middle cylinder lid 21, the middle cylinder 2,
The inside of the outer cylinder 3 is filled, and the internal pressure causes the inner surface of the outer cylinder body 8 and the inner peripheral surface of the lower inner rim to slide on the outer peripheral surface of the upper outer rim and the outer cylinder surface of the middle cylinder body 7, respectively. In addition, the inner barrel surface and the lower inner rim inner circumferential surface of the middle barrel 7 slide on the upper outer rim outer circumferential surface and the outer barrel surface of the base barrel 6, respectively, so that the outer barrel 3 and the middle barrel 2 Distraction, base barrel 6. The respective °O° ring receiving surfaces of the lower inner rims of the middle cylinder body 7 and the outer cylinder body 8 are rotated and compressed by the °0° ring 37.39 attached to the upper outer rim corner of the middle cylinder body 7, and at the same time, Latch on lower inner rim of middle barrel 7, outer barrel 8, spring groove 3
The latch springs 34 fixed at 3.35 fit into the latch spring receiving grooves 36.38 dug in the upper circumferential surfaces of the outer surfaces of the base barrel 6 and middle barrel 7, respectively, and side 7
The lower part is firmly fixed above the base cylinder 111i16, and the lower part of the outer cylinder body 8 is firmly fixed above the middle cylinder body 7, and the base cylinder 1 and the middle cylinder 2 are fixed in the extended form.
, the outer cylinder 3 becomes a strong integral cylinder. Airtightness of cylinder gas etc.
The pressure of the gas is kept higher than atmospheric pressure by the sealing valve 30.

To eject the extended sonobuoy, turn on the ejection switch inside the aircraft.
When the actuator 74 is activated by the voltage, the links 76, 77, and 78 are interlocked when the Ron door 5 is lowered, and the link pawl 72 resists the repulsive force of the pawl spring 73, and the pawl hook of the tube cap 10 moves into the groove. 54, the sonobuoy is strongly ejected into the air from the launch tube 69 by the repulsive force of the launch spring 71.

In a sonobuoy whose fall slowing mechanism is a rotary wing, the wing 4 is the launch tube 69.
Once in the air, the umbrella half-opens due to the force of the hinge spring 63, the heavy base tube 1 swings downward, and the wings 4 open fully due to air resistance, rotating and sliding on the contact surface between the rotary bearing 2o and the yoke port 19. It turns into a rotating wing and descends at a slower rate. In a sonobuoy whose fall slowing mechanism is a parachute, when the storage tube lid 64 comes out of the launch tube 69 into the air, the opening weight 66 pops out and the auxiliary umbrella 68 opens, and when the sonobuoy falls in the air, the base tube 1 moves downward. At the same time, the parachute 65 fully opens and descends at a slower falling speed. When the sonobuoy reaches the sea surface, the pressure receiving plate 12 and the support claw 50 incorporated in the tube cap 10 are lifted upward by the collision pressure with the water, and the support claw 50 is supported by the action force of the support claw spring 510. When the pressure receiving plate 12 is removed from the claw groove 53 and pulled toward the center of the pressure receiving plate 12, the pressure receiving plate 12 is moved to the dyeing tube 29, the receiver press plate 13, the receiver 25, and the receiver tray 2.
Due to the repulsive force of the receiver spring 27 and the gravity acting on the series of parts 6, the dyeing tube 29 is thrown into the seawater outside the tube cap lO, and the dyeing tube 29 rises to the sea surface and dissolves. The sonobuoy's position is clearly visible and the marker color drifts, and the receiver 25 sinks into the sea while extending the receiver lead wire 55. At the same time, the receiver spring 27
The cartridge switch 17 operates in conjunction with the extension of the spring ring, forming an electric circuit, causing the pin cartridge 16 to ignite and explode, pushing up the cartridge pin 4o, pulling it out from the spring ring end hole 62, and opening the outer cylinder lid. 32 petal edges 6
The spring ring 41 comes off from the U-shaped M groove of 0 and the release mechanism is activated, and the fall slowing mechanism with the support lid 5 or the storage cylinder lid 64 comes off from the outer cylinder lid 32 and separates from the sonobuoy. The folded antenna 42 fixed to the outer cylinder lid 32 stands open and erect, and seawater enters the battery in the battery compartment 23.
While determining the metahinge of the entire sonobuoy, it floats on the water surface in a stable posture with sufficient buoyancy, the battery starts generating electricity, and when the power becomes stable, the beacon light 44 lights up, and the receiver, receiver, amplifier, and transmitter is functioning normally. After being operated and used for a predetermined period of time, the dissolving plug 59 assembled to the watertight bulkhead 14, base lid 11, and outer tube lid 32 is dissolved by the chemical action of seawater, and the sonobuoy sinks to the seabed as the seawater floods.

(f) Effects of the Invention As explained above, this invention takes advantage of the advantages of the horn buoy, which incorporates electronic and audio equipment made of smaller and lighter parts, and compensates for the disadvantages of lack of buoyancy on the sea surface and lack of wave resistance. The sonobuoy function can be effectively demonstrated by using a small body volume for storage and storage, and by increasing the body volume when used at sea surface to ensure sufficient buoyancy and wave resistance. This has the effect of significantly reducing the volume of the loading space and significantly increasing the number of loads compared to the conventional sonobuoy.

In addition, from the correlation between the total weight of the sonobuoy and buoyancy, etc., and other conditions, a two-stage or four-stage cylinder may be used if the present invention is effective in terms of the shear layer.

[Brief explanation of the drawing]

Fig. 1 is a longitudinal sectional view of the sonobuoy of the present invention in a shortened state with a fall slowing mechanism using rotary blades attached to the upper part, Fig. 2 is a front view of the same, Fig. 3 is a plan view of the same, and Fig. 4 5 is a bottom view of the same, and FIG. 6 is a sectional view of the sonobuoy of the present invention with the base tube 1 as a reference, the inner tube 2 and the outer tube 3 extended, and the wings 4 opened. Fig. 7 is an enlarged longitudinal cross-sectional view of the P part and Q part of Fig. 6, Fig. 8 is a cross-sectional view of Ei of Fig. 7, and Fig. 9 is a schematic position diagram of the firing tube 69. 10th perspective view showing a state in which the support lid 5 of the fall slowing mechanism is fixed to the outer cylinder lid 32;
The figure is a longitudinal sectional view of a fall slowing mechanism using the storage cylinder lid 64, and FIG. 11 is a sectional view illustrating the sonobuoy launcher mechanism of the present invention.

Claims (1)

[Claims] An injection tube (structured with a base barrel (6), a base lid (11), and a tube cap (10), and having a sealing valve (30) and an insertion port (31)
9), and on the outside of the base cylinder (1) in which the sonobuoy main equipment of the receiver, battery, power supply, receiver, and transmitter is assembled and built, the middle cylinder body (7) and the communication hole (28) are installed. The inner cylinder lid (2
The inner cylinder (2) constructed in 1) is fitted by a sliding fit, and the outer cylinder body (8), antenna (42), and marker light (
44), a slow-falling mechanism consisting of an outer cylinder lid (32) fitted with a pin cartridge (16), and a rotating wing (4) or parachute (65) with a detachment mechanism attached to the head of the outer cylinder lid (32). The outer cylinder (3) that connects the mechanism is fitted by a sliding fit, and a "0" ring (37), (39) is assembled, and the receiving surfaces of the "0" rings (37) and (39) are formed on the circumferential upper surface of the inner rim of the cylinder mouth of each of the middle barrel (7) and the outer barrel (8), During distraction, the middle tube (2) and base (1) are
) and the latch spring (34) that secures the middle cylinder (2).
are fixed to the bottom surfaces of the latch spring grooves (33) and (35) on the inner peripheral surface of the lower inner rim of the middle barrel (7) and outer barrel (8), respectively, and The latch spring receiving grooves (36) and (38) for the latch spring (34) are dug in the upper peripheral surface of the outer surface of each cylinder (7), and the middle cylinder (2), A telescope type sonobuoy that is characterized by the ability to extend the outer cylinder (3) and increase the body volume.