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JPH0711090

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Notice
This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
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DESCRIPTION JPH0711090
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the
structure of an underwater ultrasonic transducer for use in towing or fixing underwater, and in
particular, a long type which can be wound on a drum with high tension. The present invention
relates to the structure of an underwater transducer.
[0002]
2. Description of the Related Art FIG. 3 is a cross-sectional view showing the structure of a
conventional underwater transducer, and FIG. 3 (a) is a cross-sectional view of the underwater
transducer taken along its extending direction. Fig. 3 is a cross-sectional view taken along the
line A-A of Fig. 3A. In the figure, 1 is a cylindrical flexible cylinder, 2 is a filling oil filling the
flexible cylinder 1, 3 is a plurality of tension members passed through the flexible cylinder 1, and
in this case, as shown in FIG. The three tension members 3 are disposed in the flexible cylinder 1
as shown in FIG.
[0003]
Reference numeral 4 is an electronic circuit storage container, 5 is a signal line connected to the
electronic circuit storage container 4, and although not shown, a transmission / reception
element is provided in the vicinity of the electronic circuit storage container 4 and 6 is a flexible
cylinder 1 Spacer for supporting the electronic circuit storage container 4 in the flexible cylinder
1, a screw 7 for fixing the electronic circuit storage container 4 to the spacer 6, and a spacer 8
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for preventing the deformation of the flexible cylinder 1. The spacers 6 and 8 are arranged to
divide the inside of the flexible cylinder 1.
[0004]
9 is a clamp fitting for fixing the tension member 3 to the spacers 6, 8, 10 is a resin bush
interposed between the clamp fitting 9 and the spacers 6, 8, and the clamp fitting 9 deforms the
resin bush 10 Can be bent with respect to the spacers 6 and 8.
The plurality of tension members 3 are fixed or held together at their terminal plugs or relay
plugs (not shown).
[0005]
FIG. 4 is a cross-sectional view showing a deformed state of each part in a state in which the
above-described conventional underwater transducer is wound on a drum. In the drawing,
reference numeral 11 denotes a winding drum, and when the above-described conventional
underwater transducer is wound around the winding drum 11, a tension positioned inside the
plurality of tension members 3 near the winding drum 11 Slack occurs in the member 3a, and
the tension member 3a located outside is in a stretched state.
[0006]
The tension members 3a located on the outer side are in a linear state between the respective
spacers 6 and 8 and are in a state of drawing a curved line along the circumferential surface of
the winding drum 11 as a whole. Thus, the resin bush 10 is compressed into the spacers 6, 8.
[0007]
However, the above-mentioned conventional underwater transmitter-receiver has the following
problems.
That is, when wound with a small tension on a winding drum with a small diameter, there is a
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problem that the resin bush which attaches the tension member located on the outside to which
the tension is applied to the spacer is compressed more strongly and broken.
[0008]
Also, there is a problem that the resin bush is largely deformed, the clamp metal fitting is
deviated from the regular mounting position of the tension member, the fixing of the electronic
circuit container is deviated, and the signal line is broken. Furthermore, since tension is applied
only to the tension member positioned outside among the plurality of tension members, there is
a problem that an excessive force is applied to the tension member itself, resulting in breakage.
[0009]
Further, although the electronic circuit storage container is supported by two spacers, the spacer
is fixed to the tension member, so that there is a problem that it takes time to assemble and
remove the electronic circuit storage container. As described above, the present invention has a
problem that the resin bush for attaching the tension member is broken when tension is applied
to a specific tension member when winding up on the small diameter winding drum, and the
electronic circuit storage There is a problem that the installation position of the container is
shifted and the signal line is broken, and a problem that the tension member is broken by
applying tension only to a specific tension member, and furthermore, it takes time to assemble
and remove the electronic circuit container. In order to solve the problem of the problem, even
when winding on a winding drum with a small diameter, tension is uniformly applied to a
plurality of tension members, and the assembly and removal of the electronic circuit storage
container are performed. An object of the present invention is to provide an underwater
transducer which can be easily performed.
[0010]
SUMMARY OF THE INVENTION In order to achieve this object, the present invention comprises a
cylindrical flexible cylinder, a plurality of spacers arranged to partition the flexible cylinder, and
the inside of the flexible cylinder. A plurality of tension members passing along the extension
direction of the flexible cylinder, an electronic circuit storage container supported in the flexible
cylinder by two spacers in the spacer, and an inside of the flexible cylinder In the underwater
transducer comprising filling oil satisfying the above, one of the two spacers supporting the
electronic circuit container is fixed to the tension member, and the other spacer is a hole through
which the tension member passes. It is characterized in that only the tension member is allowed
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to pass through the hole, and the plurality of tension members are twisted so as to rotate along
the extension direction of the flexible cylinder.
[0011]
The submersible transducer according to the present invention having the above-mentioned
construction is wound on a winding drum when stored.
At this time, since the plurality of tension members are all twisted, when the film is taken up, the
tension members located outside move inward, and the tension members located inside move
outward, As a result, the difference in length between the outside and the inside is absorbed, and
tension is uniformly applied to all tension members.
[0012]
Also, among the two spacers that support the electronic circuit storage container, one spacer is
fixed to the tension member, but the other spacer is not fixed to the tension member, so that it
can be moved When assembling and removing the electronic circuit storage container, the other
spacer is moved.
[0013]
Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a cross-sectional view showing the structure of an underwater transducer according to
an embodiment of the present invention, and FIG. 1 (a) is a cross-sectional view of the
underwater transducer taken along its extending direction; ) Is a cross-sectional view taken along
the line A-A of FIG.
[0014]
In the present embodiment, the parts having the same configuration as the conventional one will
be described with the same reference numerals. In the figure, 1 is a cylindrical flexible cylinder, 2
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is a filling oil filling the flexible cylinder 1, 3 is a plurality of flexible cylinders 1 passed along the
extending direction of the flexible cylinder. In the tension member, three tension members 3 are
disposed in the flexible cylinder 1 as shown in FIG. 1 (b), and in the extension direction of the
flexible cylinder 1, the tension member 3 is The whole is twisted to rotate along.
[0015]
4 is an electronic circuit storage container, 5 is a signal line connected to the electronic circuit
storage container 4, 6 and 12 are for preventing deformation of the flexible cylinder 1 and
supporting the electronic circuit storage container 4 in the flexible cylinder 1 The spacer 7 is a
screw for fixing the electronic circuit storage container 4 to the spacer 6. The electronic circuit
storage container 4 is inserted into a hole formed in the center of the spacers 6 and 12 and fixed
by the screw 7. There is. Although not shown, a transducer element is also provided in the
flexible cylinder 1.
[0016]
8 is a spacer for relaying the tension member 3 while preventing deformation of the flexible
cylinder 1, 9 is a clamp fitting for fixing the tension member 3 to the spacers 6, 8 and 10 is
between the clamp fitting 9 and the spacers 6, 8 The clamp fitting 9 can be bent with respect to
the spacers 6 and 8 by deforming the resin bush 10.
[0017]
Here, in one of the spacers supporting the electronic circuit storage container 4, the tension
member 3 is fixed by the clamp fitting 9 via the resin bush 10 in one spacer 6, while in the other
spacer 12, Only a hole 12a through which the tension member 3 can pass is opened, and no
force is applied to the spacer 12 even if tension is applied to the tension member 3.
[0018]
FIG. 2 is a cross-sectional view showing a deformed state of each part in a state in which the
underwater transducer according to the present embodiment described above is wound on a
drum.
Here, every time the underwater transducer is wound around the take-up drum 11, the tension
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member 3 located on the outside moves inward, and the tension member located on the inside
moves outward and makes one rotation. When the tension member 3 is incorporated into the
flexible tube 1, twisting is applied so that the whole of the plurality of tension members 3 knit a
rope in accordance with the circumferential length of the winding drum 11.
For example, when the winding drum 11 is wound twice, a twist of two rotations is given.
[0019]
Then, when the underwater transducer according to the present embodiment described above is
wound around the winding drum 11, the plurality of tension members 3 are twisted, so the
tension member located outside when wound is taken up. 3 moves inward, the tension member 3
located inside moves outward, the tension member 3 is not fixed in the spacer 12, and the
tension member 3 is movable in the portion of the spacer 12 Thus, the difference in length
between the outside and the inside is absorbed, tension is not applied to the specific tension
member 3 and does not slack, and all tension members 3 are applied tension evenly, thereby the
spacer The force applied to 6 and 8 is weakened, and the deformation due to the compression of
the resin bush 10 is minimized, whereby the resin bush 1 In addition, it is possible to prevent the
clamps 9 from being displaced due to large deformation of the resin bush 10 and the fixed
position of the electronic circuit storage container 4 from being shifted and the signal line 5
being broken. It is possible to prevent breakage of the tension member 3 due to the tension
applied to the tension member 3.
[0020]
When the electronic circuit container 4 is assembled, the spacers 6 and 12 are passed through
the tension member 3, and then only the spacer 6 is fixed to the tension member 3 by the clamps
9 via the resin bush 10.
Next, the electronic circuit storage container 4 is inserted into the hole of the spacer 6 and fixed
to the spacer 6 with the screw 7. Since the spacer 12 is not fixed to the tension member 3, at this
time, the electronic circuit container 4 can be easily incorporated into the spacer 6 by shifting
the spacer 12 near the adjacent spacer 8. .
[0021]
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Finally, the spacer 12 is moved to insert the electronic circuit storage container 4 into the hole,
and by fixing with the screw 7, the incorporation of the electronic circuit storage container 4 is
completed. When the electronic circuit storage container 4 is removed, the fixed state of the
spacer 12 with respect to the electronic circuit storage container 4 is released by loosening the
screw 7 of the spacer 12, and then the spacer 12 is moved to the adjacent spacer 8 side. Then,
the electronic circuit storage container 4 is removed from the spacer 12. Thus, a space for
removing the electronic circuit storage container 4 is secured, and by loosening the screw 7 of
the spacer 6, the fixed state of the electronic circuit storage container 4 to the spacer 6 is
released. The electronic circuit storage container 4 can be removed by moving it.
[0022]
As described above, by making the spacer 12 movable, even when the space between the spacer
6 and the spacer 12 is narrow, the space is expanded when the electronic circuit storage case 4
is assembled and removed, and the electronic circuit storage case 4 is assembled. It is possible to
secure a space for removal.
[0023]
As described above, according to the circumferential length of the winding drum, the present
invention twists the entire plurality of tension members so as to make one rotation each time the
winding drum makes a round. As it is applied, the tension members located on the outside move
inward when wound up, and the tension members located on the inside move outward, thereby
absorbing the difference between the lengths occurring on the outside and the inside. , Tension is
not applied to any particular tension member, and tension is applied equally to all tension
members, thereby minimizing deformation due to compression of the resin bush and preventing
breakage of the resin bush Also, it prevents disconnection of the signal line due to displacement
of the clamp, and further prevents damage to the tension member due to tension applied to a
specific tension member. It has the effect that it is.
[0024]
In addition, although one of the two spacers supporting the electronic circuit container is fixed to
the tension member, the other spacer is provided with a hole through which the tension member
passes, and the tension member is held in the hole. As it is made movable relative to the tension
member only as it passes, it is possible to move the other spacer when assembling and removing
the electronic circuit storage container, and it is easy to install and remove the electronic circuit
storage container. It has the effect of being able to do it.
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