JPH04311331A - Movable artificial fishgathering rock - Google Patents

Abstract

PURPOSE:To provide the subject fishgathering rock comprising an armored concrete structure which is provided with a main body having a bottomed cylindrical weighting and floating chamber at the center thereof and also with a lattice-like fishgathering section on the outer periphery of the main body, and capable of being readily moved to other places and of collecting fishes and shellfish for each depth. CONSTITUTION:A movable artificial fishgatheing rock comprise an armored concrete structure provided with a main body 2 having a bottomed cylindrical weighting and floating chamber 3 at the center thereof and with a lattice-like fishgathering section 4 on the outer periphery of the main body 2, can readily be moved to other setting places and can collect fishes and shellfish for each water depth. Other parts of the main body except for the weighting and floating chamber can be utilized as a multipurpose space.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a large mobile artificial fishing reef that is placed into the water and used primarily for collecting fish.

0002

BACKGROUND OF THE INVENTION Conventionally, this type of artificial fishing reef has been constructed by putting one individual into the water to form a group.

0003

[Problems to be Solved by the Invention] However, since conventional artificial fishing reefs are formed by forming groups, it is extremely difficult to move them once they have been installed. It was difficult to change the shape and dimensions for different water depths at the same location.

[0004]Also, some structures have become larger in the vertical direction, but their installation has been subject to significant restrictions such as diving work. Furthermore, surveys of fish schools were carried out using methods such as submersibles, scuba diving, underwater television, and fish finders, and there were time constraints for surveys.

[0005] This invention was made in order to solve such problems, and its purpose is to be able to easily change the installation location, collect fish and shellfish at different water depths, and To provide a large-sized mobile artificial fishing reef whose part other than the part used as a weight and float chamber can be used as a multipurpose space.

[0006]

[Means for Solving the Problems] In order to achieve the above object, the present invention comprises a main body made of a reinforced concrete structure, etc., having a bottomed cylindrical weight/float chamber in the center, and an outer periphery of the main body. It is characterized by having a lattice-shaped fishing reef part,

[0007] Furthermore, the weight/float chamber and the fishing reef section are connected by a passageway having an opening/closing door through which fish can pass, and a passage for catching fish in the weight/float chamber is provided near the main body section. It is characterized by being equipped with a crane to transport it outside.

[0008] Furthermore, the main body is made of a reinforced concrete structure, has an underwater observatory in the lower center, and has an underwater observatory above it via an observation tower, and a lattice-shaped fishing reef around the outer periphery of the main body. It is characterized by having a weight and float chamber.

[0009]

[Operation] With the above structure, the present invention has a bottomed cylindrical weight/float chamber in the center of the main body, so when installed, water is pumped into this weight/float chamber using a submersible pump or the like. It can be stably installed by injecting it, and when moving, it can be floated by draining water with a submersible pump or the like, and then towed or self-propelled to the destination.

[0010] Furthermore, the weight/float chamber and the fish reef section are connected by a passageway that has an opening/closing door and allows fish to pass through, so if the opening/closing door is opened after being submerged, the weight/float chamber can be opened. A large number of fish gather there, and it becomes possible to capture these fish and transport them outside using a crane.

Furthermore, it has an underwater observation room in the center of the main body,
A floating observation deck is installed at the top of the tower via an observation tower, so it can be used for a variety of purposes, including sightseeing and as a seafood research facility.

0012

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. (Embodiment 1) FIG. 1 shows the overall structure of a mobile artificial fishing reef according to the present invention.

The characteristic feature of the present invention is that it is made of a reinforced concrete structure, etc., and has a bottomed cylindrical weight/float chamber in the center, and a lattice-shaped fishing reef part around the outer periphery of this main body. That's true.

In FIG. 1, this artificial fishing reef 1 is made of a reinforced concrete structure or the like, and is composed of a main body part 2 at the center and a fishing reef part 4 provided around the outer periphery thereof. Main body part 2
consists of a base 2a and a cylindrical weight/float chamber 3 with a bottom, and a lattice-shaped reef section 4 is provided on the outer periphery of the weight/float chamber 3 in the vertical direction.

In order to move the artificial fishing reef 1, the water in the weight/float chamber 3 is discharged using a submersible pump or the like to float it, and it can be towed or self-propelled to the destination. In order to install this artificial fishing reef 1, water is injected into the weight/float chamber 3 using a submersible pump or the like to stabilize it, and if necessary, sand or the like is used as a weight to submerge it in the water.

According to this embodiment, the fishing reef section 4 is arranged in the vertical direction (
Since the system is hierarchical (vertically), it is possible to collect fish and shellfish by water depth. Furthermore, if the effect of attracting fish is confirmed and the effect is weak, the installation location can be changed safely and easily. Furthermore, it is also possible to attach fish reefs of different types for each type of seafood to the lattice-like frame serving as the fish reef section 4.

(Embodiment 2) In the present invention, the weight/float chamber 3 and the fishing reef section 4 are connected by a passage having an opening/closing door through which fish can pass, and a passageway is provided near the main body section 2. is characterized by being equipped with a crane for capturing fish in the weight/float chamber 3 and transporting the fish to the outside.

In FIG. 2, the weight/float chamber 3 and the fishing reef section 4 are connected by a passage 5 through which fish can pass. This passage 5 is provided with an opening/closing door 5a, and by opening the opening/closing door 5a, the weight/float chamber 3 and the fish reef section 4 are communicated with each other, and by closing the opening/closing door 5a, the weight/float chamber 3 is communicated with the fishing reef section. 4 and is blocked. Then, by closing the weight/float chamber 3 and the reef section 4,
It becomes possible to drain the water inside when moving the fishing reef.

Furthermore, a crane 6 is installed near the top of the main body 2.
A fishing net 7 is suspended from the crane 6. After catching the fish in the weight/float chamber 3 with this net 7, they are loaded onto a transport ship 8 with a crane 6. A fender 9 is provided on the fishing reef 4 to prevent the transport ship 8 from directly colliding with the fishing reef 4.

In this embodiment, another weight/float chamber 13 is provided at the top of the fish reef section 4, and when the fish reef is moved or installed, the weight/float chamber 3 at the center of the main body is used.
It is possible to raise or submerge fishing reefs in collaboration with the fisherman.

(Embodiment 3) In the present invention, the main body part 2 is made of a reinforced concrete structure and has an underwater observation room at the lower center and an above water observation deck, and the outer periphery of this main body part 2. It is characterized by being equipped with a lattice-shaped fishing reef section 4 and a weight-cum-float chamber.

In FIGS. 3 and 4, the main body 2 has a cylindrical shape, and an underwater observation room 11 is provided at the lower center of the main body 2, which can be raised and lowered by an elevator 12. Furthermore, an underwater observation deck 15 is provided above the underwater observation room 11 via an observation tower 14. On the outer periphery of the main body portion 2, a lattice-shaped fishing reef portion 4 and a weight/float chamber 23 are provided. The underwater observation room 11 and the fishing reef section 4
The underwater observation room 11 is connected to the underwater observation room 11 through a pressure-resistant window 16, so that the fishing reef section 4 can be seen from the underwater observation room 11.

[0023] In this embodiment, this fishing reef is 8
It has a rectangular shape so that it can secure a berth for ships depending on the weather, and as shown in Figure 3, the upper part 18 of the weight/float room 23 can also be used as a pier or a fishing spot. . Furthermore, if the foundation is made strong, the top 17 of the underwater observation deck 15 can be used as a helipad, and the underwater observation room 11 and the like can also be used extensively as a multipurpose facility.

[0024]

[Effects of the Invention] As explained above, the present invention is made of a reinforced concrete structure, etc., and includes a main body portion having a bottomed cylindrical weight/float chamber in the center, and a lattice-shaped fishing reef portion around the outer periphery of this main body portion. As a result, the weight/float chamber and the fishing reef section are connected by a passageway having an opening/closing door through which fish can pass, and a passage for catching fish in the weight/float chamber is provided near the main body section. By providing a crane to transport the fish and shellfish to the outside, the installation location can be easily changed, and fish and shellfish can be collected by water depth.

Furthermore, the main body is made of a reinforced concrete structure and has an underwater observatory in the lower center and a floating observatory above the main body, and a lattice-shaped fishing reef part and a weight-cum-float are arranged around the outer periphery of the main body. By providing the chamber, in addition to the above-mentioned effects, the area other than the part used as the weight/float chamber can be widely used as a multipurpose space.

[0026]

[Brief explanation of drawings]

FIG. 1 is a sectional front view of an embodiment of a mobile artificial fishing reef.

FIG. 2 is a sectional front view of an embodiment of a mobile artificial fishing reef.

FIG. 3 is a cross-sectional front view of an embodiment of a mobile artificial fishing reef.

FIG. 4 is a partially sectional plan view of FIG. 3;

[0027]

[Explanation of symbols]

1...Artificial fishing reef 2...Main body part 3, 13, 23...Weight/float chamber 4...Fishing reef part 5...Passway 5a...Opening/closing door 6...Crane 11...Underwater Observation room 15...water observation deck

Claims (3)

[Claims] Claim 1: A main body made of a reinforced concrete structure or the like, having a bottomed cylindrical weight/float chamber in the center;
A mobile artificial fishing reef characterized by having a lattice-shaped fishing reef section on the outer periphery of the main body. 2. The mobile fishing reef according to claim 1, wherein the weight/float chamber and the fishing reef section are connected by a passage having an opening/closing door through which fish can pass; A mobile artificial fishing reef characterized by being equipped with a crane for capturing fish in a weight/float chamber and transporting the fish to the outside. Claim 3: A main body made of a reinforced concrete structure, etc., which has an underwater observatory in the lower center and a floating observatory above the main body, and a lattice-shaped fishing reef part and a weight-cum-float around the outer periphery of the main body. A mobile artificial fishing reef characterized by being equipped with a chamber.