JPH0241985Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) The present invention relates to a towed transducer for underwater ultrasonic waves, and in particular a long type towed transducer that can be wound with high tension onto a drum with a small radius. Regarding.

(Conventional technology) Conventionally, the technology in this field was
There was something described in the microfilm (issued by the Japan Patent Office on February 1, 1982) that was a photograph of the contents of the specification and drawings attached to the application No. 95481 (Utility Model Application No. 1983-1983).

The configuration will be explained below using figures.

Figure 3a is a sectional view partially showing an example of the configuration of a conventional towed transducer, Figures 3b and 3c.
are the A-A sectional view and the B-B sectional view in Figure 3a.
FIG.

In each figure, 1 is a flexible tube, 2 is a filling oil, 3 is a tension member, 4 is a spacer, 5 is a stopper, and 6 is a cable.

One conventional configuration example includes at least one
A towed wave transmission/reception structure in which a plurality of ultrasonic transducers, a plurality of spacers 4, a plurality of tension members 3, and a filling oil 2 are fixed to a terminal plug or a relay plug (not shown) of the flexible tube 1. In the container, each spacer 4
was a towed transducer which was fixed to at least one tension member 3 and configured such that adjacent spacers 4 were not fixed to the same tension member 3. That is, every other spacer 4 was fixed to a set of tension members 3 in the flexible cylinder 1, and the tension members 3 were held parallel to the terminal plug or the relay plug. In this configuration, the tension member 3 and the spacer 4
The two tension members 3 are always free at the spacer 4 without completely fixing all of them, and the four tension members 3 can be tensioned uniformly. .

(Problems to be solved by the invention) However, in the towed transducer with the above configuration,
When wound with high tension on a drum with a small radius, the friction between the spacer and the flexible tube increases, the four tension members are not tensioned evenly, and excessive tension is applied to one tension member. There was a risk of damage. In addition, since the tension member is twisted when bent, there is a problem that the tension member and the cable may intersect with each other, which may cause damage to the cable.

This invention eliminates the problems of the prior art and provides a towed transducer that is highly stable in terms of strength and is wound with high tension and a small bending radius.

(Means for Solving the Problems) In order to solve the above problems, this invention uses at least one wave transmitting/receiving element, a plurality of spacers, a plurality of tension members, and a flexible filling oil. The towed transducer is housed in a cylinder and has a structure in which the tension member is fixed to a terminal plug or a relay plug of a flexible cylinder, and a plurality of tension members are fixed to a husband spacer and , is configured to be fixed or held at the center of the end face of the terminal stopper or relay stopper.

(Function) According to the present invention, the towed transducer is constructed as described above, and the plurality of tension members are fixed to the spacers, respectively, and fixed or held at the center of the end face of the terminal plug or relay plug. Therefore, when wound with high tension on a drum with a small radius, there is no friction between the spacer and the flexible tube, and the four tension members are tensioned evenly, so there is no excessive tension on one tension member. This solves the above-mentioned problems by preventing the cable from being damaged due to excessive tension, and by preventing the tension member from intersecting with the cable when bent, thereby preventing the cable from being damaged.

(Example) An example of the present invention will be described with reference to the drawings. Fig. 1a is a partial sectional view of the towed transducer according to the present invention, Fig. 1b is a sectional view taken along line C-C in Fig. 1a, Fig. 1c is also a sectional view taken along line DD, and Fig. 2 1 is a sectional view of FIG. 1a in a bent state; FIG.

In each figure, 1 is a flexible cylinder, 2 is a filling oil, 3 is a tension member, 4 is a spacer, 5 is a stopper, 15 is a stopper a, 6 is a cable, and 7 is a terminal plug or relay plug.

As shown in FIG. 1a, a plurality of tension members 3, a plurality of spacers 4, a wave transmitting/receiving element (not shown), a cable 6, and a terminal plug or relay plug 7 are assembled in a flexible tube 1, Fill with built-in filling oil 2. In the system shown in FIG. 1a, each of the four tension members 3 is fixed to the spacer 4 on both sides with a stopper 5, and the respective end portions of the tension members 3 are brought together and the end plug or the stopper b15 is used. The tension member 3 is fixed or held at the center of the end surface of the relay plug 7, and as shown in the CC cross-sectional view of FIG. 1b, the tension member 3 is gathered at the center.
The cable 6 is held around the periphery. The tension member 3 between the spacers 4 has the cable 6 at its center as shown in the DD cross-sectional view of FIG. 1c, but the tension member 3 is held and fixed around the periphery.

FIG. 2 shows a state in which the embodiment of the present invention shown in FIG. 1a is bent by an external force that causes it to bend. As shown in FIG. 2, the ends of the tension members 3 are fixed or held together at the center of the end face of the end stopper or relay stopper 7, so the four tension members 3 are tensioned uniformly. The wire can be wound around a drum with a small radius with high tension, and damage to the wire due to twisting of the tension member 3 can be suppressed.

(Effects of the invention) As explained in detail above, according to the invention, a plurality of tension members are fixed to the spacer at each end, and are fixed or fixed at the center of the end face of the terminal plug or relay plug. Since it is configured to be held, it can be wound around a drum with a small radius with high tension, and it is possible to prevent the tension member from twisting and damaging the wire.

[Brief explanation of the drawing]

FIG. 1a is a partial sectional view of one embodiment of the present invention, FIG. 1b is a sectional view taken along the line CC, and FIG. 1c is a sectional view taken along the line D-D.
2 is a sectional view of one embodiment in a bent state; FIG. 3a is a partial sectional view of a conventional towed transducer; FIG. Diagram c is B
-B sectional view. 1... Flexible tube, 2... Filling oil, 3... Tension member, 4... Spacer, 5... Stopper,
15... Stopper a, 6... Cable, 7...
Terminal plug or relay plug.

Claims (1)

[Claims for Utility Model Registration] At least one wave transmitting/receiving element, a plurality of spacers, a plurality of tension members, and filling oil are housed in a flexible cylinder, and the tension member is arranged in a flexible cylinder. In a towed transducer having a structure that is fixed to a terminal plug or relay plug, a plurality of tension members are each fixed to a spacer and are fixed or held at the center of the end surface of the terminal plug or relay plug. A towed transducer comprising: