JPH0661176B2 - Nori collecting method and apparatus - Google Patents

Description

TECHNICAL FIELD The present invention relates to a method and an apparatus for picking laver leaves from a crack net.

"Prior Art" Conventionally, an ark is dipped under a cracked net, the longitudinal direction of the ark is orthogonal to the longitudinal direction of the cracked net, and a person rides on both sides of the ark while manually gripping the cracked net. The method was to move the ark sideways in the longitudinal direction and to cut the nori leaves hanging from the crack net in the ark by the rotary automatic plucking machine on the ark.

However, in the above method, the seaweed is harvested in the winter season, so the sea becomes stormy, and there are many accidents where the ark is capsized, which is dangerous. After collection, move it to the parent ship at a position away from the crack net,
It takes time to transfer the collected seaweed leaves to the parent ship. Further, it took time to dismount the ark from the parent ship, and the ark was manually moved in the longitudinal direction of the crack net by two people, which involved heavy labor and danger. Then, JP-A-57-1825
The seaweed fishing boat shown in Japanese Patent Publication No. 90 has been developed, but since the crack net is supported by the high rail above the deck, the center of gravity is high and the gust pressure receiving area is large, so there is a risk of capsizing during winter work with a lot of gusts and it is safe. There was a problem that it was not suitable for work.

[Problems to be Solved by the Invention] The present invention does not require an ark, and there is no risk of capsizing accidents and the like by using the parent ship directly for collecting seaweed, and the seaweed leaves are efficiently and safely collected from the crack net. That is the purpose.

[Means for Solving the Problems] In order to achieve the above-mentioned object, the present invention removes the bridge from the ship, contracts the tip portion of the hull,
And perform the operation of inclining the upper side of the bow to the bottom, dive the hull from the bow to the bottom of the crack net, let the self-propelled from the bow in the longitudinal direction of the net, and the nori leaf hanging on the net on the ship Nori collecting method characterized by plucking Nori collecting method according to the above-mentioned invention in which the ship is the parent ship The upper port of the bow is pivotally supported on both sides of the hull so that it can be raised and lowered, and the tip of the hull connected to the lower part of the upper port The part is formed to be expandable and contractible, and the lifting device for the upper port and the automatic seaweed harvesting device are provided on the hull, and the seaweed harvesting device is equipped with a propulsion device at the stern. Nori collecting device according to the third aspect of the invention The propulsion device comprises the nori collecting device according to the fourth aspect of the invention, which is an outboard motor that can be attached to the stern.

"Operation" Therefore, the ship 1 is self-propelled from the bow 3, and the direction of the bow is determined from one end of the crack net 2 toward the other end (longitudinal direction), and the crack net 2 is put on the ship 1 from the bow 3 to the stern 11. Lift and ship 1
Under the crack net 2, and further self-propelled the ship 1,
By using the automatic laver picking device 10 provided on the ship 1, the laver leaves 4 hanging on the net 2 can be picked and the picked laver leaves 4 can be automatically accommodated in the ship 1.

At that time, the bridge 5 is removed, the bow 3 can be laid down inclining downward toward the self-propelled direction, and the master ship 1'can be used for the ship 1.

"Example" A plurality of cracked rods 13, 13 are arranged in parallel in two rows, a cracked net 2 is stretched between the rows of the cracked rods 13, 13, and tethers 14, 14 are provided on both sides of the cracked net 2. At the seaweed cultivation site connected to the crack rods 13 and 13, the ship 1 is dipped under the net 2 from the bow 3 in the longitudinal direction of the crack net 2 (the row direction of the crack rods 13 and 13), and the stern 11 The propulsion device 12 is operated to self-propel in the longitudinal direction. The upper side 6 of the prow 3 can be moved up and down on both sides 8 and 8 of the hull 7 by means of horizontal pins 15. When the self-propelled, the upper side 6 is moved in the self-propelled direction as shown in FIGS. 1 and 4. Tilt downwards. This tilting is performed by using the lifting device 9 using a cylinder, and the tip portion 7'of the hull 7 connected to the lower part of the upper port 6 is formed by a flexible expandable / contractible material such as rubber. It contracts and expands when the upper port 6 rises (Figs. 3 and 5). An automatic seaweed harvesting device 10 having a rotary rotary blade 10 'orthogonal to the self-propelled direction is provided on the ship 1, and the device 10 comes into contact with the lower surface of the crack net 2 and moves with the ship 1 to form the crack net 2. The hanging nori leaf 4 can be plucked. The parent ship 1'can be directly used as the ship 1, and the bridge 5 is removed to be used. The propulsion device 12 of the stern 11 is a fixed type shown in FIG. (Not shown) can be used. Then, the self-propelled speed and the plucking speed by the rotary rotary blade 10 'are adjusted. The shape of the upper port 6 may be pointed as shown in FIG. 2, or may be trapezoidal having a tip edge 6 ′ wider than the width of the crack net 2 orthogonal to the longitudinal direction of the crack net 2. . In addition, what is indicated by 16 in the drawing is the upper port 6
Is a guide ring of the rod 16, 18 is an engine of the deposition apparatus 12, 19 is a propeller, and 20 is a support rod of the crack net 2 provided on the stern 11.

"Effects of the Invention" Since the present invention is based on the method and apparatus described above, it is not necessary to use an ark at the seaweed plucking site, and the parent ship 1'is dipped directly under the crack net 2 by the propulsion device 12 of the stern 11. It can be self-propelled, does not require human power to move the ship 1, and can safely and easily collect the seaweed leaf 4 hanging on the crack net 2 and store it directly in the parent ship 1 ′ to collect seaweed. The work efficiency can be remarkably improved.

Also, by tilting the bow 3 downward in the self-propelled direction, there is no possibility that the cracked net 2 will be caught on the bow, and the ship 1 can be smoothly dipped under the cracked net 2 to smoothly perform seaweed collection work. In addition, the crack nets on the ship are supported low, the ship is stable, the influence of gusts is small, and the safety of winter work can be improved.

[Brief description of drawings]

FIG. 1 is a side view showing the seaweed collecting method and apparatus of the present invention,
FIG. 2 is a plan view of the cracked net, FIG. 3 is a side view of the bow rising state, FIG. 4 is a side view of the bow tilted state, and FIG. 5 is a side view of the bow rising state. 1 ... ship, 1 '... parent ship, 2 ... crack net, 3 ... bow,
4 ... Nori leaf, 5 ... Bridge, 6 ... Upper port, 7 ...
Hull, 7 '... Tip, 8 ... Port, 9 ... Lifting device, 10 ... Automatic seaweed harvesting device, 11 ... Stern, 12 ...
… Propulsion device.

Claims (5)

[Claims] 1. A bridge is detached from a ship, the tip portion of the hull is contracted, and the upper port of the bow is tilted downward to divert the hull from the bow to the bottom of the crack net, A method for collecting seaweed, characterized in that the seaweed leaves are self-propelled in the longitudinal direction in the longitudinal direction and the seaweed leaves hanging on the net are collected on the ship. 2. The method for collecting seaweed according to claim 1, wherein the ship is a parent ship. 3. An upper port of the bow is rotatably supported on both sides of the hull, and a tip portion of the hull connected to a lower portion of the upper port is formed so as to be expandable and contractable. A seaweed collecting device equipped with an automatic seaweed collecting device and a propulsion device attached to the stern. 4. The laver collecting device according to claim 3, wherein the propulsion device can be mounted instead of being mounted. 5. The seaweed collecting device according to claim 4, wherein the propulsion device is an outboard motor that can be mounted on the stern.