JP3299664B2 - Nori culture work boat - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seaweed cultivation boat for collecting seaweed cultivated on the sea by a seaweed net.

[0002]

2. Description of the Related Art Conventionally, as this type of laver cultivation work boat, a laver net guide is mounted on 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 below the sea surface. It is known that the seaweed net is guided on a ship by advancing toward the seaweed net in a state, and the seaweed is continuously collected on the ship. That is, the laver cultivation work boat is provided with a laver net guide on its hull, and the guide extends to the stern side just above the laver collection device at the front of the hull and above the bridge. Then, by moving the ship forward, the seaweed net on the sea is scooped up and moved in the stern direction along the seaweed net guide, while the seaweed adhering to the seaweed net is cut by the seaweed reaper, and the seaweed on the lower side To be stored.

[0003]

In the above-mentioned work boat, the cut seaweed scatters during the fall due to the influence of the wind, etc., and falls on the deck around the entrance of the seaweed storage, or scatters outside the ship. There is a problem that the harvested seaweed is not sufficiently collected. Then, the laver that has fallen on the deck is gathered by the worker and put into the laver storage, but there is a problem that this work also requires much labor.

SUMMARY OF THE INVENTION The present invention has been made to solve such a conventional drawback, and is a work boat for seaweed cultivation which can satisfactorily recover the cut seaweed and does not require much time for the work of recovery. Is provided.

[0005]

According to a first aspect of the present invention, a guide member is provided on a ship, the guide member extending in the longitudinal direction of the hull, and a sea laver net is passed over the ship along the guide member. In the meantime, in a seaweed cultivation work boat in which seaweed adhering to the seaweed net is cut off on a ship by a seaweed reaper, a water injection means for spraying water toward seaweed that is cut off by the seaweed reaper and falls is provided. It is what is being done.

In the present invention, the water is sprayed by the water spraying means toward the nori that is cut and dropped by the nori reaper, so that the falling nori contains a large amount of moisture, and the weight of the dried nori is increased and scattered. The water sprayed from the water spray means acts like a water curtain without falling onto the deck, preventing the falling seaweed from scattering outside the boat, and efficiently collecting the cut seaweed. it can.

According to a second aspect of the present invention, the water jetting means is attached to the guide member so as to be located below the laver net moving on the guide member and to be located on both right and left sides. It is.

In this invention, since the water jetting means is attached to the guide member so as to be located below the laver net moving on the guide member, the water jetting means is moved on the guide member. It does not interfere with the net, does not hinder the seaweed cutting operation, and does not require any special member for attaching the water jetting means. In addition, since the water spraying means is located on both the left and right sides, water can be sprayed from both sides toward the nori that is cut and dropped by the nori mower, and the cut seaweed can be collected more efficiently. Can be.

According to a third aspect of the present invention, the water injection means is provided from the front to the rear of the nori reaper.

According to the present invention, by cutting the laver while moving forward or backward, the cut laver can be efficiently collected even if the cut laver is scattered behind or forward of the laver cutter.

According to a fourth aspect of the present invention, the water injection means comprises a pipe extending in the longitudinal direction of the hull and having a plurality of water injection ports formed therein.

In the present invention, since the water injection means is constituted by the pipe having the plurality of water injection ports formed therein, the plurality of water injection ports can be easily installed.

According to a fifth aspect of the present invention, an opening of a laver storage for storing the laver is provided on a deck of the work vessel for laver cultivation, and the water injection means is located on a side of the opening. Things.

In the present invention, the seaweed falling from the seaweed reaper can be blown toward the opening of the seaweed storage by the water sprayed from the water spraying means, and the cut seaweed can be efficiently collected in the seaweed storage. Can be.

According to a sixth aspect of the present invention, there is provided a guide member which is provided on a ship and extends in the longitudinal direction of the hull, and allows a seaweed net to pass over the ship along the guide member while a seaweed reaper is provided therebetween. In a seaweed cultivation work boat that cuts the seaweed attached to the seaweed net on the ship, water spray means for spraying water toward the seaweed cut off by the seaweed reaper and dropped on the deck is provided, and the deck is provided. On the upper surface, there is an opening for introducing seaweed into the seaweed storage.

According to the present invention, the seaweed on the deck is flushed with the water and is opened at the upper surface of the deck by spraying water by the water spraying means toward the seaweed cut off by the seaweed reaper and dropped on the deck. The laver is collected in the laver shed through the road, and the cut laver can be efficiently collected in the laver shed.

[0017] In the above description, the term "spraying water toward laver" means that all of the water from the water jetting means is sprayed toward the laver or the center line of the spray direction is sprayed toward the laver. In other words, at least a part of the water sprayed from the water spraying means is sprayed so as to hit the nori that is cut off by the nori reaper and falls or the nori that has fallen on the deck.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1 and FIG. 2, a laver farming work boat 1 has a bridge 3 at the rear of its hull 2 (bridge floor 30), and an engine 10 is installed in front of the bridge 3. 10 by propeller shaft 11
The propeller 13 that is rotationally driven through the stern 0 is disposed on the stern bottom, and the rudder plate 130 is disposed on the rear side. The propeller shaft 110 is rotatably held by a holding bracket 112. A stern thruster 15 for generating thrust in the width direction of the stern is provided at the stern bottom, and a fore thruster 17 is provided at the bow bottom.

A laver net guide 4 is provided on the hull 2, and a guide extension 41 is provided at the front end of the laver net guide 4. A flip-up means 40 is provided at the base end of the guide extension 41.
The guide extension 41 can be flipped up from the state of being immersed in water by rotating from the state of the solid line to the state of the imaginary line about 0 in FIG. Further, a support portion 42 is formed near the base of the guide extension portion 41, and the support portion 42 contacts the bow deck so as to support the guide extension portion 41 in a flooded state.

The laver net guide 4 extends from the bow end to the rear of the stern end along both sides of the boat, and is supported on each of the side sides by struts 43, and gradually from the bow end to the vicinity of the bridge 3. It rises, gradually descends behind the bridge 3, and extends to the rear of the stern end.

A seaweed collecting device (seaweed reaper) 5 is disposed below the seaweed net guide 4 near the bow, and a seaweed for storing seaweed cut by the seaweed reaper 5 is provided below the hull. A refrigerator 50 is formed. An acid treatment tank 7 is provided on the bridge 3, and the acid treatment tank 7 extends to the rear end of the bridge 3 along the laver net guide 4. A chemical tank 70 is provided at the rear end below the acid treatment tank 7 and behind the bridge 3, and a collection pipe (flow passage) for collecting the chemical is supplied from the downstream end of the acid treatment tank 7 to the chemical tank 70. ) 71 are derived. A supply pipe (flow path) 72 for supplying a chemical solution is led out of the chemical tank 70, and the leading end of the supply pipe 72 is guided to the upstream end of the acid treatment tank 7.

An operation handle 6 for a thruster operated by a driver 100 is installed in the bridge 3. The operation of the operation handle 6 generates a propulsive force on the stern thruster 15 and the bow thruster 17. The thrusters 15 and 17 generate a lateral propulsive force so that the course of the laver farming work boat 1 can be accurately set.

As shown also in FIGS. 3 and 4, on both upper side portions of the laver storage 50, on both lower sides of the guide member 4, water is sprayed toward the laver which is cut by the reaper 5 and falls. An injection means 8 is provided. That is, as shown in FIGS. 1 and 3, a water supply pipe 48 made of a pipe material is fixed to the lower surface of the guide member 4 below the guide member 4, and a plurality of water supply pipes are formed along the water supply pipe 48. An injection nozzle 49 is attached, and the water supply pipe 48 and the water injection nozzle 49 form the water injection means 8. A water supply pipe 81 is arranged below the water supply pipe 48 so as to be located inside the brewwork 16, and a plurality of water injection nozzles 84 are attached along the water supply pipe 81. The water supply pipes 48 and 81 are connected to each other by a connection pipe 82, and high-pressure water is supplied to the connection pipe 82 from a water supply source (not shown) by a water supply pipe 83. Water supply pipe 4
8, 81 are provided from the front to the rear of the seaweed reaper 5 so that the water injection nozzles 49 and 84 are located in front of and behind the seaweed reaper 5. In addition, the number of the water injection nozzles 49 located behind the nori reaper 5 is made larger than that of the water jet nozzles 49 located in front of the nori reaper 5. In addition, all of the water injection nozzles 49 are provided with a nori mower 5
And some of the water injection nozzles 49 are provided with an opening 6 of a laver storage 50 described later.
02 on both sides.

The front and rear ends of the water supply pipes 48 and 81 are closed by plugs (not shown), and the connecting pipe 82 is connected between the front and rear plugs.
All the water supplied to 1 is jetted from the water jet nozzles 49 and 84.

The water jet nozzle 49 is positioned so that the center line of the water jet direction is directed to the nori 450 that is cut and dropped by the nori reaper 5, and most of the jetted water falls. It takes 450. The water injection nozzle 84 has its center line in the water injection direction cut off by the nori reaper 5 and
6 is directed to the laver 450 that has fallen onto the laver 6, and most of the sprayed water falls on the laver 450 on the deck 66.

The water injection nozzles 49 and 84 are formed so as to be swingable with respect to the water supply pipes 48 and 81, respectively, and change the water injection direction according to the amount of seaweed 450 to be cut or the strength of the wind. Is to be done. In the above embodiment, the center line of the water injection direction of the water injection nozzle 49 is directed to the nori 450 that is cut and dropped by the nori reaper 5, and the center line of the water injection direction of the water injection nozzle 84 is set to the seaweed reaper. Although the seaweed 450 that has been cut off by the 5 and dropped on the deck 66 is directed, it is not always necessary to configure in this way.
The spray direction may be set so that at least a part of the water sprayed from 84 is cut by the nori reaper 5 and falls on the nori 450 or the nori 450 dropped on the deck 66.

At the bottom of the laver storage 50, a lower tank 55 extending in the front-rear direction on the hull center line is formed, and the upper wall of the lower tank 55 is formed by a perforated plate 550. One end of the lower tank 55 has a laver storage 50 on the upper side.
A take-out part 51 composed of a small volume part that opens inside is formed, and one end of a take-out pipe 52 that passes through a lower tank 55 is connected to the take-out part 51.
Is connected to the take-out pump 53. A take-out pipe 54 is led out of the take-out pump 53, and a distal end thereof is connected to a joint 540 provided on the deck. A take-out hose 541 on the deck is detachably connected to the joint 540, 54
No. 1 supplies the laver to the laver basket 542 arranged on the deck as shown in FIG. A drain pipe 56 led from a drain pump 57 is connected to the lower tank 55, and a drain pipe 58 leading out of the boat is led from the drain pump 57.

On the upper side of the laver storage 50, an opening serving as an inlet for laver cut by hatch coaming 600 is formed, and this opening is provided with a hatch cover 601 so that the opening serving as a laver introduction port is formed. The part 602 is configured to be closed except when seaweed is cut.

FIGS. 5 to 8 show the laver collecting structure on the upper side of the laver storage 50. A waterway 640 is provided at the rear end of the groove 603 provided around the hatch coaming 600 in the width direction of the boat. A drain groove 650 is formed below the waterway 640 on both sides of the ship, and a side end thereof is opened in the ship side plate 11, and a port cover 651 is attached to this opening. As shown in FIGS. 1, 2 and 6, the port cover 651 has a semicircular cross section and is tapered and closed on the bow side so as to reduce water resistance, and the stern end is open. The both sides of the waterway 640 are covered on the upper side by a lid 61 as shown in FIGS. The bottom plate 64 of the waterway 640 has a lower drain groove 6.
The combing 641 of the opening communicating with the 50 is formed, and the combing 6 of the opening communicating with the laver storage 50 is formed.
42 are provided. Then, as shown in FIG. 9, a screw is formed on the inner peripheral surface of these combings, and a screw to be screwed to this screw is formed on the outer peripheral portion.
644 are detachably attached to the combing 641 and 642, respectively. That is, an introduction path 604 that opens to the upper surface of the deck 66 and guides the laver 450 on the deck 66 into the laver storage 50 is formed by the openings of the groove 603, the waterway 640, and the combing 642.

In the above configuration, on the way back to the laver farm, the guide extension portion 41 is flipped up on the ship as shown by the imaginary line in FIG. 1, and the stern thruster 15 is housed in the ship bottom (below the ship bottom). The ship is propelled by the propeller 13 (without protruding). In addition, the lid 644 shown in FIGS. 5 to 7 is closed and the lid 643 is opened so that the water launched on the deck 66 is discharged from the waterway 640 through the drain groove 650 and the port cover 651 to the outside of the boat.

When arriving at the laver farm, accurate low-speed course control is required. Therefore, the propeller 13 is stopped, and the stern thruster 15 is protruded below the bottom of the stern as shown in FIG. The bow thruster 17 performs accurate low-speed course adjustment, and the jumping means 4
By 0, the guide extension 41 is projected forward of the bow as shown by the solid line in FIG. The lid 643 shown in FIGS. 5 to 7 is closed to stop drainage to the outside of the boat, and the lid 644 is closed.
Is opened so that water on the deck 66 flows from the introduction path 604, that is, the waterway 640, through the opening of the combing 642 into the laver storage 50.

When the ship is moved forward in this state, as shown in FIG. 3, a laver net 45 held by a rope 47 having both ends fixed by a support pole 46 standing in the sea is scooped up by a guide extension portion 41. And transported in the stern direction by the guide member 4 while the reaper 5
5. Nori attached to 5 is cut off.

The cut seaweed 450 falls, but the water 100, 101 sprayed by the water spray pipe 8 from both sides.
Is sprayed, becomes heavy with water in the middle of the fall, and falls downward due to the momentum of the spray water from both sides toward the center, and the sprayed water acts like a water curtain. For example, scattering to the surroundings is suppressed. In addition, the water is also sprayed from the water spray pipe 81 to the side of the bulwark 16 so that scattering to the side is suppressed and the water is also sprayed on the deck 66. The laver that has fallen onto the deck 66 is poured into the waterway 640 together with the water from the water injection pipe 81, and then from the waterway 640 through the opening of the combing 642 into the laver storage 50.

Since all of the water injection nozzles 49 are located outside the hull relative to the nori reaper 5, water can be reliably applied to the nori 450 that is cut off by the nori reaper 5 and falls. Further, since the water injection nozzle 49 is provided from the front to the rear of the nori reaper 5, the seaweed 450 is cut forward while moving forward or backward, so that the cut nori 450 is rearward of the nori reaper 5. Alternatively, even if it scatters forward, it is possible to surely pour water on the laver 450. Further, since some of the water spray nozzles 49 are located on both sides of the opening 602 of the laver storage 50, the seawater 450 dropped from the seaweed reaper 5 by the water sprayed from the water spray nozzle 49. The opening 602 of the laver storage 50
And the cut seaweed 450 can be efficiently collected in the seaweed storage 50.

The cut seaweed is stored together with the water in the seaweed storage 50, and excess water enters the lower tank 55 through the perforated plate 550, and is discharged outboard through the drain pipes 56 and 58 by the drain pump 57. You. Also, by driving the take-out pump 53, the seaweed in the take-out part 51 is sucked together with the water, taken out from the take-out tubes 56, 54 and supplied through the hose 541 to the seaweed basket 542 arranged on the deck, so that only the seaweed is obtained. Be harvested.

In this way, the seaweed that has been cut and dropped is sprayed with water from both sides by means of a water jet pipe so that the seaweed is prevented from being scattered and dropped, and the seaweed that has fallen on the deck is naturally guided into the seaweed storage by the guide groove. This allows the harvested seaweed to be collected efficiently without the hassle of work.

Since the water jetting means 8 is mounted on the guide member 4, no special mounting member is required, and the structure of the water jetting means is simplified.

[0038]

According to the first aspect of the present invention, the falling seaweed contains a large amount of water by spraying water toward the seaweed that has been cut and fallen by the seaweed reaper by the water spraying means. The weight increases and falls onto the deck without scattering, and the water sprayed from the water spray means acts like a water curtain to prevent the falling seaweed from scattering outside the ship, and removes the cut seaweed. It can be collected efficiently.

According to the second aspect of the present invention, the water injection means comprises:
Since it is attached to the above-mentioned guide member so as to be located below the nori net moving on the guide member, the water jetting means does not interfere with the nori net moving on the guide member, and it is suitable for cutting seaweed. There is no hindrance, and no special member for mounting the water jetting means is required. In addition, since the water spraying means is located on both the left and right sides, water can be sprayed from both sides toward the nori that is cut and dropped by the nori mower, and the cut seaweed can be collected more efficiently. Can be.

According to the third aspect of the present invention, the seaweed is harvested while moving forward or backward, so that even if the seaweed is scattered behind or forward of the seaweed reaper, the seaweed is efficiently collected. be able to.

According to the fourth aspect of the present invention, since the water injection means is constituted by a pipe having a plurality of water injection ports, the plurality of water injection ports can be easily installed.

According to the fifth aspect of the present invention, the seaweed falling from the seaweed reaper can be blown toward the opening of the seaweed storage by the water injected from the water injection means, and the cut seaweed can be efficiently removed from the seaweed storage. Can be recovered.

According to the sixth aspect of the present invention, the seaweed on the deck is flushed with water, and the seaweed on the deck is flushed with water by spraying water toward the seaweed cut off by the seaweed reaper and dropped onto the deck. The seaweed is collected in the laver warehouse through the introduction path that opens into the laver, and the cut seaweed can be efficiently recovered in the laver warehouse.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of the present invention, in which an upper half shows a rear half of a hull, and a lower half shows a front half of a hull.

FIG. 2 is a plan view of FIG. 1, showing a rear half of the hull on the upper side and a front half of the hull on the lower side.

FIG. 3 is a cross-sectional view of a hull of a laver cutting section.

FIG. 4 is a perspective view showing a space between laver sheds;

FIG. 5 is a perspective view of a laver collecting groove at the center of the hull.

FIG. 6 is a cross-sectional view of FIG.

FIG. 7 is a sectional view taken along line XX of FIG. 6;

FIG. 8 is a sectional view taken along line YY of FIG. 6;

FIG. 9 is a cross-sectional view of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Nori cultivation work boat 2 Hull 3 Bridge 4 Nori net guide 5 Nori collection device (nori reaper) 8 Water injection means 45 Nori net 48 Water supply pipe 49 Water injection nozzle 50 Nori storage 600 Forming opening of nori storage Hatch combing 602 Opening of laver storage 604 Introducing laver into laver storage 640 Waterway 643,644 Cover 650 Drainage ditch

Claims (6)

(57) [Claims] 1. A guide member is provided on a ship and extends in the longitudinal direction of the hull, and a seaweed net is passed along the guide member on the ship while being attached to the seaweed net by a seaweed reaper. A seaweed cultivation work boat in which the dried seaweed is cut off on a ship, wherein the seaweed cultivation work boat is provided with water jetting means for jetting water toward the seaweed that has been cut and fallen by the seaweed reaper. Working boat. 2. The water jet means is attached to the guide member so as to be located below a laver net moving on the guide member and to be located on both right and left sides. Item 4. A work boat for laver culture according to Item 1. 3. The seaweed cultivation boat according to claim 2, wherein the water injection means is provided from the front to the rear of the seaweed reaper. 4. The work boat for laver cultivation according to claim 3, wherein the water injection means comprises a pipe extending in the length direction of the hull and having a plurality of water injection ports formed therein. . 5. The laver cultivation boat is provided with an opening of a laver storage for storing the laver on a deck of the work boat for laver culture, and the water injection means is located on a side of the opening. The work boat for laver cultivation according to claim 1, 2, 3, or 4. 6. A guide member extending in the length direction of the hull is provided on a ship, and a seaweed net is passed along the guide member on the ship while being attached to the seaweed net by a seaweed reaper. In a laver cultivation work boat in which cut seaweed is cut off on a ship, water spray means for spraying water toward the seaweed cut off by the seaweed reaper and dropped on the deck is provided, and the seaweed storage is provided on the deck upper surface. A seaweed cultivation work boat, characterized by an opening for introducing seaweed into the sea.