JPH08276892A - Ship for laver cultivating work - Google Patents

Abstract

PURPOSE: To effectively gather laver by providing a guide member on a ship along the longitudinal direction of a hull so as to pass a laver net from the seat along the guide member, by gathering lever stuck to the net, and by forming a lever introduction port communicated with a lever storage, in a lever receiving deck. CONSTITUTION: During a laver gathering work in a culture bed, a guide extension 49 is projected forward from the bow of a ship which are advanced at a low speed. In this phase, thrustors 61 to 63 provided in the bow, the stern and the part therebetween are suitably operated so as to adjust the advancing direction of the ship. As the ship 2 is advanced, a lever net is scooped up from the sea surface 90, is moved to the stern along a net guide 4. During the movement of the net, a laver pick-up device picks up laver sticking to the net. Thus picked up laver is then dropped in a laver storage 9. At this time, a part of the laver drops onto a bow deck 91 and a middle deck 92, the dropped laver is gathered up in a passage 920 through which the laver flows so as to be retrieved into the laver storage 9 through the laver introduction port 930.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seaweed aquaculture work vessel for collecting seaweed that has been cultivated by seaweed nets at sea.

[0002]

2. Description of the Related Art Conventionally, as this type of work boat for seaweed cultivation, a guide for seaweed net is attached to the upper part of the hull, and the front end of this guide is projected forward from the bow and the front end is submerged under the sea surface. It is known that by advancing toward the seaweed net in this state, the seaweed net is guided onto the ship and the seaweed is continuously collected on the ship. That is, the seaweed cultivation work boat is provided with a seaweed net guide on its hull, and this guide extends to the stern side directly above the seaweed reaper at the front of the hull and above the bridge. The seaweed adhering to the seaweed net that moves along the net guide is cut by a seaweed cutting device arranged underneath and stored in the seaweed storage below.

[0003]

In the above structure, a part of the seaweed adhered to the seaweed net is on the deck before the seaweed net scooped up by the front end of the guide reaches the seaweed reaper. It was unavoidable that the seaweed fell, and the seaweed that fell into the seaweed was wasted because it did not enter the seaweed storage, and cleaning the deck where the seaweed fell was very time-consuming.

The present invention has been made in order to eliminate the above-mentioned conventional drawbacks, and it is possible to easily supply the seaweed that has fallen on the deck to the seaweed store, and to save the labor of cleaning the deck. It is an object of the present invention to provide a ship for seaweed aquaculture work that can effectively collect seaweed.

[0005]

According to a first aspect of the present invention, a guide member extending in the length direction of the hull from the bow end to the stern end is provided on the ship, and the seaweed net along the guide member is provided along the guide member. A seaweed aquaculture work boat, which is designed to cut off the seaweed that adheres to the seaweed on the ship while the seaweed is being passed over the ship, and a seaweed cutting device is installed on the ship to cut off the seaweed. On the lower side, there is a seaweed storage that stores the cut seaweed, and a seaweed receiving deck is formed on the ship in the area where the seaweed net pulled up on the ship reaches the above-mentioned cutting device. Nori inlet is formed at the bottom of
This seaweed inlet is in communication with the seaweed store.

According to a second aspect of the present invention, the seaweed introducing port is formed at the lowest position of the seaweed receiving deck.

According to a third aspect of the invention, a weir is formed on the seaweed receiving deck in the vicinity of the seaweed introducing port to prevent the seaweed on the deck from moving from the seaweed introducing port in the direction of movement of the seaweed net. It is what

[0008]

According to the construction of claim 1, the seaweed dropped from the seaweed net scooped up on the ship is guided to the passage of the central deck together with seawater or fresh water sprayed from the hose on the seaweed receiving deck to introduce the seaweed. Since the seaweed is supplied from the mouth, the seaweed can be collected without waste and no cleaning work is required.

According to the second aspect of the present invention, since the seaweed on the seaweed receiving deck naturally flows into the seaweed introduction port together with water, the seaweed can be easily recovered.

According to the third aspect of the present invention, since the seaweed flowing on the seaweed receiving deck is blocked by the dam plate provided in the vicinity of the seaweed introducing port, the seaweed is more reliably introduced into the seaweed introducing port. .

[0011]

[Example] Referring to FIGS. 1 and 2, a seaweed cultivation work boat 1
Is equipped with a bridge 3 at the rear of the hull 2, an engine 10 is installed below the bridge 3, and a propeller 11 rotatably driven by the engine 10 via a propeller shaft 110 is arranged at the stern bottom, and a rudder is provided at the rear side. A plate 12 is arranged. The propeller shaft 110 is rotatably held by a holding bracket 112. A stern bracket 60 is attached to the stern end, and a stern thruster 62 is provided on the stern bracket 60. A bow thruster 61 is provided on the bow bottom of the bow, and a thruster 63 is also provided on the front side of the holding bracket 112 on the bottom of the stern.

A guide 4 for seaweed net is provided on the hull 2, and a guide extension 49 is provided at the front end of the guide 4. The guide extension portion 49 is configured such that the connecting portion 48 provided at the base end portion thereof can move along the guide member 47. When the guide extension portion 49 is advanced from the retracted position shown in the drawing, the tip end portion of the guide extension portion 49 is Water surface 9 in front of the bow
It is configured to immerse below zero. This guide 4
Extends from the bow end to the rear of the stern end along both sides of the ship, and is supported by struts 43 on both sides of the ship, gradually rising from the bow end to the vicinity of the bridge 3 and gradually increasing behind the bridge 3. Is descending.

Below the seaweed net guide 4, a seaweed cutting device 41 is arranged near the bow, and the bridge 3 is also provided.
An acid treatment tank 70 is provided on the top, and the acid treatment tank 70 extends to the stern end along the seaweed net guide 4. The main chemical liquid tank 7 is installed on the rear surface of the stern plate 17 below the acid treatment tank 70 at the stern end, and a recovery pipe (flow path) for collecting the chemical liquid from the downstream end of the acid treatment tank 70 to the main chemical liquid tank 7. 71
Has been led. Further, a circulation pipe (flow path) 81 for circulating the chemical liquid is led out from the main chemical liquid tank 7, and the circulation pipe 8
A transfer pump 82 is provided in the middle of 1, and the circulation pipe 8
The tip of the No. 1 is connected to the upstream end of the acid treatment tank 70.
An auxiliary chemical liquid tank 8 is installed in the bow of the bow, and a chemical liquid supply pipe 86 is led out from the auxiliary chemical liquid tank 8 and its end is connected to the chemical liquid supply pipe 83 via a transfer pump 85 and a three-way switching valve 84. The end portion of the chemical liquid supply pipe 83 is connected to the main chemical liquid tank 7. A branch pipe 87 is connected to the three-way switching valve 84, and the other end of the branch pipe 87 is opened below the bottom of the ship (opening 88). Therefore, by switching the three-way switching valve 84, the auxiliary chemical liquid tank 8 communicates with either the main chemical liquid tank 7 or the ship bottom opening 88.

On the bow side from the center of the hull, a seaweed storage 9 for storing the seaweed cut by the seaweed cutting device 41 is installed, and the upper portion of the seaweed storage 9 is, as shown in FIG.
It penetrates through the central deck 92 and projects upward from the bottom of the ship. The central deck 9 is on the front side of the central deck 92.
A bow deck 91 higher than 2 is provided, and these decks 91 and 92 form a seaweed receiving deck. A passage 920 composed of a central deck 92 is formed between the seaweed storage 9 and the bulwarks 14 on both sides, and a seaweed inlet 93 is formed in the passage 920. Is connected to the seaweed supply port 930 that opens to the side of the. Further, a dam plate 94 for damming the passage 920 is provided on the stern side of the seaweed introducing port 93. The bow deck 91 and the central deck 92 are formed so as to be gradually higher toward the bow side, and the seaweed inlet 93 is formed at the lowest position on the deck surface in front of the dam plate 94.

4 and 5 show the structure of the stern bracket 60 and the stern thruster 62. The stern bracket 60 has a channel 66 in the width direction of the vessel, and a cylindrical body 68 is installed in the channel 66. A propeller 64 capable of rotating in the forward and reverse directions is arranged therein, the flow path 66 is curved in an arc shape, and guide members 67 are attached to both ends to open downward, and the bottom plate 65 is also similar to the flow path 66. It is curved in an arc shape.
When the bottom plate 65 is curved in this way, it approaches the rotation locus of the propeller 11 (see FIG. 2) arranged below it, and the flow resistance due to the rotation of the propeller 11 can be reduced. Further, when the flow path 66 is curved, the thruster 62 does not have to project below the bottom of the ship, and since the openings at both ends of the flow path 66 face downward, it is possible to prevent air from being sucked in when sucking water. In addition, since the water from the flow path 66 is jetted below the surface of the water, waves are not generated on the surface of the water, the resistance is reduced, and the lateral propulsive force can be effectively generated. There are advantages.

FIGS. 6 and 7 show an example of the connecting structure between the engine 10 and the propeller shaft 110.
A propeller shaft 110 is connected to the 0 output shaft 15 via a transmission 16, and a pair of hydraulic pumps 18 are connected to the transmission 16 via a hydraulic clutch 17. As described above, instead of connecting the propeller shaft 110 to the engine 10 coaxially with the output shaft 15, the propeller shaft 110 may be connected via the transmission 16. Instead of the hydraulic clutch 17, a gear provided on the shaft of the transmission 16 may be directly meshed with a gear provided on the shaft end of each hydraulic pump 18.

In the structure shown in FIGS. 1 to 3, during normal traveling, the guide extension portion 49 is moved forward while being positioned on the ship. Then, during the seaweed cutting work at the farm, the guide extension portion 49 is projected forward of the bow, and the ship is advanced at a slow speed toward the seaweed net on the sea surface 90. On this occasion,
Any of the bow thruster 61, the stern thruster 62, and the intermediate thruster 63 is operated to adjust the course of the ship. As the hull 2 advances, the seaweed net on the sea surface 90 is picked up by the guide extension portion 49 and moved on the ship along the seaweed net guide 4 in the stern direction.
In the meantime, the seaweed adhering to the seaweed net is cut off by the seaweed cutting device 41 and dropped into the seaweed storage 9 below. A part of the seaweed that adheres to the seaweed net falls on the front ends of the bow deck 91 and the central deck 92 together with the seawater, but the fallen seaweed is collected together with the seawater in the passage 920 of the central deck 92 and flows in the stern direction. And is blocked by the weir board 94 and all passed through the seaweed inlet port 93
Supplied inside. Further, the seaweed adhered on the bow deck 91 and the central deck 92 can be easily poured into the seaweed container 9 by flowing water (seawater or fresh water) with a hose or the like.

The seaweed inlet 93 and the dam plate 94 are
It may be provided near the rear end of the seaweed storage 9 in the passage 920, so that the seaweed that has fallen after passing the seaweed reaper 41 is also collected in the seaweed storage 9.

The seaweed net from which the seaweed is cut off is acid-treated by passing through the acid-treating tank 70 on the bridge 3, and is returned to the sea surface 90 behind the stern through the guide 4. During this acid treatment, the chemical liquid in the main chemical liquid tank 7 is constantly supplied to the upstream side of the acid treatment tank 70 by the transfer pump 82 through the circulation pipe 81, and the chemical liquid is collected from the downstream end of the acid treatment tank 70. It is recovered to the main chemical liquid tank 7 through 71. The auxiliary chemical liquid tank 8 is filled with the acid treatment chemical liquid, but the transfer pump 85 is stopped and the chemical liquid supply pipe 8
No drug solution was poured into 3. Thus, the acid treatment tank 70
The drug solution contained therein is recycled, but the drug solution is gradually consumed and diluted. Therefore, the transfer pump 85 is operated to supply the chemical liquid in the auxiliary chemical liquid tank 8 to the main chemical liquid tank 7 through the supply pipes 86 and 83. As the chemical solution at this time, a concentrated stock solution may be used, or a chemical solution diluted to a predetermined concentration may be used.

[0020]

According to the structure of claim 1, the seaweed dropped from the seaweed net scooped up on the ship is guided to the passage of the central deck together with seawater or fresh water sprayed from the hose on the seaweed receiving deck, The seaweed will be supplied from the seaweed inlet to the seaweed storage, so that the seaweed can be collected without waste and no cleaning work is required.

According to the second aspect of the present invention, the seaweed on the seaweed receiving deck naturally flows into the seaweed introduction port together with water, so that the seaweed nori is easily collected.

According to the third aspect of the present invention, since the seaweed flowing on the seaweed receiving deck is blocked by the weir plate provided in the vicinity of the seaweed introducing port, the seaweed is more reliably introduced into the seaweed introducing port. .

[Brief description of drawings]

FIG. 1 is a plan view of a ship showing an embodiment of the present invention.

FIG. 2 is a side view of FIG.

FIG. 3 is a sectional view taken along line AA of FIG. 1;

FIG. 4 is a cross-sectional view of a stern thruster.

5 is a cross-sectional view of FIG.

FIG. 6 is a perspective view of a stern thruster.

FIG. 7 is a connection structure 1 between an engine and a propeller shaft.
It is explanatory drawing which shows an example.

FIG. 8 is a plan view of FIG.

[Explanation of symbols]

 1 Nori culture work boat 2 Hull 3 Bridge 4 Nori net guide 7 Main chemical liquid tank 9 Nori store 10 Engine 11 Propeller 41 Nori reaper device 49 Guide extension 70 Acid treatment tank 91 Bow deck 92 Central deck 93 Nori inlet 94 Weir plate 920 Passage 930 Seaweed supply port

Claims (3)

[Claims] 1. A guide member is provided on the ship, the guide member extending in the length direction of the hull from the bow end to the stern end, and allows the sea nori net to pass along the guide member over the ship while the nori net is interposed therebetween. In a seaweed aquaculture work boat where the seaweed adhered to the seaweed is cut on board, a seaweed reaping device is installed on the ship to cut off the seaweed, and the seaweed that stores the seaweed cut below the reaping device is installed. A seaweed receiving deck is formed on the ship in the area where a warehouse is provided and the seaweed net pulled up on the ship reaches the above-mentioned reaper, and the seaweed introducing port is formed on this seaweed receiving deck. An inlet for seaweed aquaculture work characterized by having an inlet communicating with the above-mentioned seaweed storage. 2. The seaweed introducing port is formed at the lowest position of the seaweed receiving deck.
The described seaweed aquaculture work vessel. 3. A weir is formed on the seaweed receiving deck in the vicinity of the seaweed introducing port to prevent the seaweed on the deck from moving from the seaweed introducing port in the direction of moving the seaweed net. The seaweed aquaculture work vessel according to claim 1 or 2.