JP2001114187A - Towing cable expanding device of underwater sailing body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a towing cable expanding device of an underwater sailing body capable of surely connecting and storing a towing cable and a towing body in the rear part of a small underwater sailing body during non-use without any influence on the movement of the underwater sailing body and surely expanding the same at the time of use. SOLUTION: This towing cable expanding device includes a storing device 12 for storing the towing cable and the towing body, a support rod 14 extended to the rear of the underwater sailing body, and a connecting device 16 for connecting the support rod and the storing device to be separable. The storing device has an axial recessed part 12a in which the support rod is fitted in the outer peripheral part of the front. The connecting device 16 has a belt 17 for fastening the support rod and the outer peripheral part of the front of the storing device together with the support rod fitted to the storing device, and a fussion wire 18 for connecting both ends of the belt in the tensile state. The fussion wire is fused by application of an electric current to separate both ends of the belt, thereby opening the belt outward by elasticity to separate the storing device from the support rod.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for deploying a tow cable for an underwater vehicle.

[0002]

2. Description of the Related Art As an underwater vehicle traveling in water, for example, Japanese Patent Application Laid-Open No. 1-75899 discloses an "underwater vehicle having a lift rudder". As shown schematically in FIG. 7, the underwater vehicle has four flap rudders 1 having different directions at the tail of the underwater vehicle.
Vertical and horizontal attitude control and roll control for preventing rotation of the main body 2 are performed. In this figure, 3
Is a fixed rudder, and 4 is a propulsion screw.

[0003]

The above-mentioned underwater vehicle is, for example, as shown in FIG. 8, towed body 6 (transmitter, receiver, etc., for example, hydrophone) via towed cable 5.
Tow and transmit or receive underwater sounds without the influence of self-noise. When the underwater vehicle is not in use, it is necessary to connect the tow body and the towing cable to the rear of the vehicle so that the underwater vehicle can freely travel underwater, and to reliably deploy and use the underwater vehicle when in use. .

An underwater vehicle is small (for example, a trunk diameter is about 100 mm) and runs unmanned. For this reason, it is necessary that the tow cable 5 and the tow body 6 attached to the rear part of the underwater vehicle be stored so as not to affect the motion of the underwater vehicle, and be deployed when necessary. However, since there is no conventional towed cable deployment device for such an underwater vehicle, and the underwater vehicle is very small, it is possible to apply a conventional general connecting and deploying device to an underwater vehicle. could not.

[0005] The present invention has been devised to satisfy such a demand. That is, an object of the present invention is to connect and retract a tow cable and a tow body at the rear of a small underwater vehicle so that they do not affect the motion of the underwater vehicle when not in use. An object of the present invention is to provide a towing cable deployment device for an underwater vehicle that can be deployed reliably at times.

[0006]

According to the present invention, a container for storing a tow cable and a tow body, a support rod extending to the rear of the underwater vehicle, and the support rod and the container can be separated. A coupling device for coupling, wherein the housing has an axial concave portion on a front outer peripheral portion thereof, in which a support rod is fitted, and the connection device includes a support rod in a state where the support rod is fitted in the container. And a belt that fastens the outer periphery of the front part of the housing together, and a fusing wire that connects both ends of the belt in a tensioned state. A towing cable deployment device for an underwater vehicle is provided, wherein the belt is opened outward by elasticity to disconnect the connection between the housing and the support rod.

According to the configuration of the present invention, with the support rod fitted to the front part of the container, the support rod and the outer peripheral part of the front part of the container are fastened together by the belt, and both ends of the support rod are cut by the fusing wire. Since they are connected in a tensioned state, the towing cable and the tow body can be securely connected and stored behind the small underwater vehicle so as not to affect the movement of the underwater vehicle when not in use. In addition, this fusing wire is blown by energization and cuts off both ends of the belt.This fusing causes the belt to open outwardly by elasticity and cut off the connection between the housing and the support rod, ensuring reliable use. Can be expanded to.

According to a preferred embodiment of the present invention, the belt is a leaf spring, which has a fixing ability by fastening together and an ability to disconnect the connection. Further, at both ends of the belt, each has a recess for stopping the fusing wire, the fusing wire is a resistance wire that is blown by a predetermined current,
It has a covering tube that insulates and insulates the resistance wire, and a flange portion that is attached to both ends of the resistance wire in an insulated state. Thereby, both ends of the belt are connected in a tension state. With this configuration, the resistance wire is insulated and insulated by the covering tube, so that heat radiation due to water cooling is reduced, and the resistance wire can be reliably blown off by Joule heat due to energization. In addition, a concave portion is provided in the bent portion at both ends of the belt, and the flange portion of the fusing wire is fitted to the outside thereof, so that assembly is easy and both ends of the belt are securely connected in a tension state. be able to.

Further, the housing and the support rod have a common circumferential groove into which the belt is fitted in a connected state, thereby preventing axial movement. With this configuration, it is possible to increase the accuracy of mounting the container on the support rod, and to reliably prevent the container from moving in the axial direction.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. In each of the drawings, common portions are denoted by the same reference numerals and used, and redundant description will be omitted. FIG. 1 is a side view of an underwater vehicle equipped with the towing cable deployment device of the present invention, and FIG. 2 is a partially enlarged view thereof. As shown in these figures, the towing cable deployment device 10 of the present invention includes a housing 12, a support rod 14, and a coupling device 16 attached to the rear of the underwater vehicle.

As shown in FIG. 2, the housing 12 is a reel-like member having a substantially cylindrical shape in this figure, and the tow cable 5 can be wound around the outer periphery thereof.
Further, the outer circumference of the housing 12 is partially recessed, and the towing body 6 (for example, a hydrophone) is accommodated in the recess. One end of the towing cable 5 is connected to the inside of the underwater vehicle 7 and the other end of the towing cable 6 is connected. Also,
The tow cable 5 and the tow body 6 are wound so that they can be smoothly rewound and deployed when the container 12 is disconnected.

FIG. 3 is a sectional view taken along line AA of FIG. As shown in this figure, the container 12 has a plurality of (four in this figure) axial recesses 12a on its front outer peripheral portion into which the support rods 14 fit. Each support rod 14 has a front end fixed to the rear part (the fixed rudder 3 in FIG. 2) of the underwater vehicle 7, extends rearward outside the propulsion screw 4, and fits in the axial recess 12 a of the housing 12. . In addition, the housing 12 and the support rod 1
4 is a belt (described later) in a connected state as shown in FIG.
Have common circumferential grooves 12b and 14b into which axial movement is prevented.

2 and 3, the connecting device 16 comprises:
It comprises a belt 17 for fastening the support rod 14 and the front outer periphery of the enclosure 12 together with the support rod 14 fitted in the housing 12, and a fusing wire 18 for connecting both ends of the belt 17 in tension. The belt 17 is a belt-shaped belt made of a leaf spring material having elasticity. As shown in FIG.
Is provided. The bent portions 17a each have a concave portion 17b for stopping the fusing wire 18.
The belt is not limited to a plate spring, and may be a combination of a plate and a spring, or a combination of a plate or a rod and rubber.

FIG. 5 is a detailed view of the fusing wire. As shown in the figure, the fusing wire 18 includes a resistance wire 18a that is blown by a predetermined current, a covering tube 18b that insulates and insulates the resistance wire 18a, and a flange that is insulated at both ends of the resistance wire 18a. As shown in FIG. 3, as shown in FIG. 3, the ends of the belt 17 are pulled in a tension state by passing the resistance wires 18a and 18b covered in the concave portion 17b of the belt 17 and fitting the flange 18c to the outside thereof. Are designed to be connected,

As shown in FIG. 2, the towing cable deployment device 10 of the present invention further includes a water pressure sensor unit 20.
And the battery 21 are stored inside the housing 12. The water pressure sensor unit 20 is a kind of switch that closes a contact point by detecting water pressure. The batteries 21 are connected to both ends of the fusing wire 18 via the contacts of the water pressure sensor unit 20. With this configuration, the water pressure is sensed by the water pressure sensor unit 20, the contact is closed, and the fusing wire 18 is energized to be blown, and both ends of the belt are cut off.
This allows the belt to open outward due to elasticity and disconnect the connection between the housing and the support rod. The switch for energizing the fusing wire is not limited to such a method, and may be, for example, (1) a signal from the inside of the underwater vehicle 7, (2) a timer, or the like.

FIGS. 6A and 6B are explanatory views of the operation of the towing cable deployment device of the present invention. FIG.
(B) and (C) show when the tow cable is deployed, and (D) shows the use state of the tow body. As shown in (A), according to the above-described configuration of the present invention, the support rod 14 and the container 12 are connected by the belt 17 while the rear end of the support rod 14 is fitted to the front part of the container 12. Since the front outer periphery is fastened together and both ends are connected in a tensioned state by a fusing wire 18, a tow cable and a tow are provided at the rear of the small underwater vehicle so as not to affect the movement of the underwater vehicle. The body can be securely connected and stored when not in use. In addition, as shown in FIG.
By separating both ends of 7, the belt 17 opens outwardly by elasticity to disconnect the connection between the container 12 and the support rod 14, and (C) the container 12 is rotated backward by the fluid force acting by the propulsion. By moving, the tow cable 5 wound around the outer peripheral portion can be reliably unfolded while being rewound backward, and can be shifted to a predetermined use state shown in (D). Therefore, with this configuration, the towing cable 5 and the towing body 6 connected behind the underwater vehicle 7 can be securely connected and stored by a small device when not in use, and can be reliably deployed when in use. .

It should be noted that the present invention is not limited to the above-described embodiment, but can be variously modified without departing from the gist of the present invention.

[0018]

As described above, the towed cable deploying apparatus for an underwater vehicle according to the present invention has a small underwater vehicle with a rear portion.
The towing cable and the towing body can be securely connected and stored when not in use so that they do not affect the motion of the underwater vehicle, and can be unfolded reliably when in use.

[Brief description of the drawings]

FIG. 1 is a side view of an underwater vehicle including a towing cable deployment device of the present invention.

FIG. 2 is a partially enlarged view of FIG.

FIG. 3 is a sectional view taken along line AA of FIG. 2;

FIG. 4 is a perspective view of a belt end.

FIG. 5 is a detailed view of a fusing wire.

FIG. 6 is an operation explanatory view of the towing cable deployment device of the present invention.

FIG. 7 is a schematic view of a conventional underwater vehicle.

FIG. 8 is a diagram showing a use state of a conventional underwater vehicle.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 flap rudder 2 main body 3 fixed rudder 4 screw 5 tow cable 6 tow body (transmitter, receiver, etc.) 7 underwater vehicle 10 tow cable deployment device 12 housing 14 support rod 16 connecting device 17 belt 18 fusing wire 20 Water pressure sensor unit 21 Battery

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Takeshi Otomo 3-1-1-15 Toyosu, Koto-ku, Tokyo Ishikawajima Harima Heavy Industries, Ltd. Tokyo Engineering Center (72) Inventor Masatoshi Maruyama 3-1-1 Toyosu, Koto-ku, Tokyo No. 15 Ishikawajima Harima Heavy Industries, Ltd. Tokyo Engineering Center F term (reference) 5J083 AA02 AA05 AB12 AE03 AF17 AF18 CA09 FA10

Claims (4)

[Claims] 1. A storage device for storing a tow cable and a tow body, a support rod extending rearward of the underwater vehicle, and a connecting device for detachably connecting the support rod and the storage device, The housing has an axial recess at the front outer periphery of the housing where the support rod fits, and the connecting device shares the support rod and the front outer circumference of the housing with the support rod fitted in the housing. It has a belt to be fastened and a fusing wire for connecting both ends of the belt in a tension state. The fusing wire is cut off by energization to cut off both ends of the belt, whereby the belt is elastically opened outward and stored. An underwater vehicle towing cable deployment device, characterized in that the connection between the vessel and the support rod is disconnected. 2. The belt is a leaf spring, which has a fixing ability by fastening together and an ability to disconnect the connection.
The towing cable deployment device for underwater vehicles according to claim 1, wherein: 3. Both ends of the belt have a recess for stopping the fusing wire, the fusing wire includes a resistance wire that is blown by a predetermined current, a covering tube that insulates and insulates the resistance wire, A flange is attached to both ends of the resistance wire in an insulated state, and the both ends of the belt are connected in a tensioned state by passing the resistance wire covered in the concave portion of the belt and fitting the flange to the outside thereof. The underwater towed cable deploying apparatus according to claim 1, wherein: 4. The container and the support bar having a common circumferential groove into which the belt fits in a connected state, thereby preventing axial movement. Item 4. The underwater towed cable deployment device according to any one of Items 1 to 3.