JPH0142059Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a protection device for a sonar transducer.
More specifically, this is a sonar transducer protection device that allows the protective cover body to be attached extremely easily and watertight to the protective cover mounting body that surrounds the sonar transducer installed on the bottom of the ship and is attached to the bottom of the ship. It is related to.

In the first place, the sonar transducer protection device G is attached to the bottom Sa of the ship S to cover the sonar transducer F, which is attached to the bottom Sa of the ship S, as shown in Figure 1, for the purpose of protecting it. Its structure consists of a protective cover mounting body Ga that surrounds the sonar transducer F provided on the bottom Sa and is attached to the bottom Sa, and a protective cover body that is detachably attached to the protective cover mounting body Ga.
It consists of Gb.

However, in the conventional sonar transducer protection device G, Fig. 2 shows an enlarged bottom view of the protective cover mounting body Ga, and Fig. 3 shows the protective cover mounting body Ga and the protective cover main body.
As shown in the enlarged front view explanatory diagram of the state in which Gb is attached, bead part fitting recesses a provided on the joint surfaces of the inner mold 10 and the outer mold 20 that constitute the protective cover mounting body Ga, respectively, It is formed in the same shape that corresponds to the entire circumference.

Therefore, when attaching the protective cover main body Gb to the protective cover attachment body Ga, the inner mold 10 is divided into a plurality of inner mold constituent members 11 as shown in the figure, and the bead portion of each inner mold constituent member 11 is fitted. The protective cover body is placed in the mating recess a.
While fitting the endless bead part 30 of Gb,
Unless each inner mold component 11 is assembled,
The protective cover body Gb cannot be attached to the protective cover mounting body Ga.

As a result, the workability of attaching the protective cover main body Gb to the protective cover attachment body Ga is poor, and the outside of the sonar transducer protection device G is Not only is there a risk of water leakage, but water pressure higher than the external water pressure is loaded inside the sonar transducer protection device G, making it impossible to improve the external pressure resistance of the sonar transducer protection device G, and furthermore, the internal mold Since 10 has a split structure, the contact surfaces of each inner mold component 11 must be finished with high precision, which causes problems such as an increase in manufacturing costs.

The present invention was developed as a result of studies to solve the above-mentioned problems.

Therefore, the purpose of the present invention is to make it possible to form the inner mold of the protective cover mounting body into an integral structure by devising the structure of the protective cover body, especially the bead part, and to make it extremely easy to attach the protective cover body to the protective cover mounting body. Moreover, it is an object of the present invention to provide an excellent protection device for a sonar transducer that can be installed in a watertight manner and also allows the inner mold to be used as a vulcanization mold.

In other words, the present invention consists of a protective cover mounting body that is attached to the bottom of the ship, and a protective cover body that is removably attached to the protective cover mounting body. The bead portion has a streamlined longitudinal external shape and a substantially semicircular cross-sectional shape, and is positioned around the opening and has a bead portion equipped with removable connecting members at both ends. Consisting of an integrally installed
The protective cover mounting body includes an inner mold of an integrated structure that surrounds the sonar transducer provided on the bottom of the ship and is attached to the bottom of the ship, and a plurality of split structures that are detachably attached to the outside of the inner mold. The inner mold is continuously provided with a fitting recess for the bead portion on its outer peripheral surface, and each of the outer molds has a bead portion of the inner mold on its inner peripheral surface. The gist of the present invention is a protection device for a sonar transducer, characterized in that a bead fitting recess is provided in correspondence with a fitting recess.

Hereinafter, the present invention will be explained in detail by way of examples with reference to the drawings.

4 to 11 show a protection device for a sonar transducer according to an embodiment of the present invention. FIG. Figure 5 is Figure 4-
6 is an explanatory perspective view showing the bead portion, FIG. 7 is an explanatory enlarged plan view with a part cut away showing the connecting portion of the above, FIG. 8 is an explanatory side view of the above, and FIG. is a cross-sectional view in Fig. 4-arrow direction, and Fig. 10 is a sectional view in the direction of the arrows.
FIG. 11 is an enlarged cross-sectional view showing the attachment portion between the protective cover mounting body and the protective cover body.

In the figure, E indicates a protection device for a sonar transducer according to an embodiment of the present invention, which is composed of a protective cover mounting body 100 and a protective cover body 200 detachably attached to the protective cover mounting body 100. ing.

In the present invention, the protective cover mounting body 100
consists of an integral inner mold 110 that surrounds the sonar transducer F provided on the ship's bottom Sa and is attached to the ship's bottom Sa, and a plurality of divided structure that are detachably attached to the outside of this inner mold 110. It is composed of an outer mold 120 and an inner mold 11.
0, a bead part fitting recess 111 is continuously provided on the outer peripheral surface thereof, and a bead part fitting recess 111 of the inner mold 110 is continuously provided on the inner peripheral surface of each outer mold 120. A bead fitting recess 121 corresponding to the fitting recess 111 is provided.

Furthermore, the protective cover main body 200 is made of a rubber-like elastic body in which a fibrous reinforcing material K is embedded, and is formed to have a streamlined longitudinal external shape and a substantially semicircular cross-sectional shape. In addition to being able to significantly reduce resistance, a bead portion 210 is integrally attached to the periphery of the opening, and has connecting members 211 and 212 that can be connected and detached at both ends.

In this embodiment, the connecting members 211 and 212 are integrally fixed to both ends of the bead wire W forming the core material of the bead portion 210, as shown in FIGS. 7 and 8.

Next, the process of molding the above-mentioned sonar transducer protection device E and the process of attaching it to the bottom Sa of the ship will be briefly explained.

(1) First, using an unvulcanized rubber-like elastic body in which the fibrous reinforcing material K is embedded, it is shaped into a predetermined shape, that is, the external shape in the longitudinal direction is streamlined, and the cross-sectional shape is approximately semicircular. At the same time, connection members 211, 21 are provided on the periphery of the opening, and are connectable and detachable at both ends.
By integrally attaching the bead portion 210 having the bead portion 2, the protective cover body 200 in an unvulcanized state is formed. However, in this state, the connecting members 211 and 212 are not connected to each other, and the unvulcanized rubber-like elastic body in which the fibrous reinforcing material K is embedded near each of the connecting members 211 and 212 is not connected to the bead. It is not wrapped around section 210.

(2) Next, the unvulcanized protective covering body 2 in the above-mentioned state
00 bead portion 210, each connecting member 21 thereof.
1 and 212 are fitted into the bead fitting recess 111 of the inner mold 110 so as to be located at the rear end of the inner mold 110.

(3) Next, each of the connection members 211 and 212
are connected to each other by bolts B, and then the unvulcanized rubber-like elastic body in which the fibrous reinforcing material K is embedded near each of the connecting members 211 and 212 is rolled down around the bead portion 210.

(4) After that, an outer mold for vulcanization (not shown) having a split structure and having a bead fitting recess with a shape corresponding to that of the inner mold 110 is placed around the entire outer circumferential surface of the inner mold 110. Each is attached integrally with a mounting bolt (not shown).

(5) In this state, this is vulcanized in a vulcanization can (not shown).

(6) After vulcanization, the vulcanizing outer mold is removed, and an outer part of the split structure is provided with a bead fitting recess 121 having a shape corresponding to the inner mold 110 in the place where the vulcanizing outer mold is removed. The mold 120 and the mounting bolt 130
Attach it integrally.

(7) As described above, after attaching the protective cover main body 200 to the protective cover mounting body 100, the protective cover mounting body 100 is placed around the sonar transducer F provided on the bottom Sa of the ship. Attach to the position using mounting bolts (not shown).

Since the present invention is configured as described above, even if the structure of the inner mold that constitutes one side of the protective cover mounting body is constructed as an integral structure over the entire circumference, the protective cover body can be attached to the protective cover mounting body. Easy to install.

Therefore, the present invention not only prevents water from leaking to the outside of the sonar transmitter/receiver protection device from the joints of the inner mold constituent members of the divided inner molds, but also eliminates the installation work. It is possible to save labor and reduce the manufacturing cost of the inner mold.

Furthermore, as mentioned above, the present invention can make the outside of the sonar transducer protection device watertight, so water pressure higher than the outside water pressure is loaded inside the sonar transducer protection device to protect the sonar transducer. The external pressure resistance of the device can be improved.

[Brief explanation of drawings]

Fig. 1 is a front view explanatory view showing the state in which a sonar transducer protection device is installed on a ship, and Figs. 2 and 3 are diagrams showing a conventional sonar transducer protection device, and Fig. 2 shows a protective cover. FIG. 3 is an enlarged bottom view of the mounting body, and FIG. 3 is an enlarged front view of the protective cover body Gb attached to the protective cover mounting body. 4 to 11 show a sonar transducer protection device according to an embodiment of the present invention, and FIG. 4 is a perspective explanatory view with a part of the sonar transducer protection device, that is, the outer mold removed; FIG. 5 is a sectional view taken from FIG. 4 in the direction of the arrows, FIG. 6 is a perspective explanatory view showing the bead portion, FIG. An explanatory side view of the same as above, Fig. 9 is a cross-sectional view taken from Fig. 4-arrow, Fig. 10 is Fig. 4-
A cross-sectional view taken along the X arrow, and FIG. 11 is an enlarged cross-sectional view showing the attachment portion between the protective cover attachment body and the protective cover main body. 100...Protective cover mounting body, 110...Inner mold, 1
11...Bead part fitting recess, 120...Outer mold, 1
21... Bead part fitting recess, 200... Protective cover body, 210... Bead part, 211... Connection member,
212... Connection member, K... Fibrous reinforcement material, Sa
...Bottom of the ship, F...Sonar transducer.

Claims (1)

[Scope of utility model registration request] It consists of a protective cover mounting body that is attached to the bottom of the ship, and a protective cover body that is removably attached to the protective cover mounting body. The external shape in the direction is streamlined and the cross section is approximately semicircular, and the opening is located at the periphery of the opening.
It is constructed by integrally attaching a bead portion with removable connecting members at both ends, and the protective cover mounting body is attached to the bottom of the ship surrounding the sonar transducer provided on the bottom of the ship. It is composed of an inner mold with an integral structure and a plurality of outer molds with a split structure that are detachably attached to the outside of the inner mold, and the inner mold has a continuous fitting recess for the bead portion on its outer peripheral surface. and each outer mold has a
A protection device for a sonar transducer, characterized in that a bead fitting recess is provided on the inner circumferential surface thereof in correspondence with a bead fitting recess of the inner mold.