JPS6340136Y2 - - Google Patents

Description

[Detailed explanation of the idea] The present invention relates to a cultivation device for young scallops.

Scallops spawn from late March to mid-May.
They continue to live floating for about 40 days after emergence, then live attached for about 40 to 60 days, and then fall one after another in July and August and move to a bottom-dwelling life, but in summer, as the water temperature rises, Because the benthic environment near the seabed is anoxic and the mortality rate is extremely high, it is necessary to place young shellfish in a frying device and grow them to a shell length of 30 mm or more just before they transition to a bottom-dwelling life. It is being said.

However, the conventional juvenile shellfish cultivation equipment in the Sea of Okhotsk consists of a large number of triangular pyramid-shaped zabuton cages containing juvenile shellfish placed vertically at intervals, as shown in Figure 2, suspended in the water. Therefore, if it was set up at a depth of 10 to 20 meters, there was a risk that it would be destroyed by drift ice during the winter.
In order to avoid this, if they were set up at a depth of 40 to 50 meters, they would be very expensive, take time to set up, and would often break during stormy weather. .

The object of the present invention is to eliminate the above-mentioned conventional drawbacks, and to provide a device for cultivating young shellfish that is inexpensive, easy to install, and resistant to stormy weather.

Next, an example of the present invention will be explained based on the drawings.
Reference numeral 1 denotes a shallow box-shaped container body made of plastic having a substantially square planar shape and having a water passage space 7 in the center with a substantially square planar shape, and square through holes 11, 11 in the bottom and four inner and outer side walls. ... is drilled horizontally outward from the upper and lower ends of the outer wall.
2 and 13 are provided protrudingly. Two recessed portions 12 are provided on the upper surface of one of the pair of opposing upper flanges 12, into which leg portions 14, which will be described later, are fitted and supported on the outside in a closed state.
1. Two through holes 123 into which the legs can be fitted are provided on the inside, and two through holes 123 on the outside and two recesses 121 on the inside are provided on the other upper surface. .

A cylindrical leg portion 14 is protruded from the lower surface of the lower brim 13 at a position directly below the recessed portion 121, and
A through hole 141 of the leg portion 14 is provided in the center of the concave portion 121.
A through hole 122 with the same diameter is bored.

Reference numeral 2 denotes a plastic lid having a bent edge 21 on the outer circumferential edge that can be fitted onto the upper flange 12 of the container body 1, and a hanging edge 23 on the inner circumferential edge.
1 includes a concave portion 12 in the upper flange 12 of the container body 1.
1, a recessed part 211 is provided with a through hole 212 having the same diameter as the through hole 141 in the center, and a flat plate part 22 surrounded by a bent edge has a through hole on the entire surface. 221 is drilled.

Reference numeral 3 is a support leg made of iron, which has a substantially square support part 31 that is approximately the same size as the main body of the container, and a connecting rod 33 that stands up from an annular grounding part 32 that has a larger diameter than the support part 31, which can be attached or removed. Possibly screwed on.

When in use, put about 1,000 young scallops that have grown to about 10 m/m into the container body 1, fit the lid 2, and insert the legs of the other container body 1 into the concave part 211 of the lid 2. A through hole 311 provided in the support part 31 of the support leg 3 and a through hole in the container leg part 14 are inserted into the through hole 311 provided in the support part 31 of the support leg 3 and a plurality of iron rods stacked vertically on the support leg 3 with male screws provided at both ends. 141, recessed part 1 of container body 1
21 and the central through hole 212 of the concave portion 211 of the lid 2, a cap 5 having a ring is screwed into the male screw portion at the upper end, and a washer is screwed into the male screw portion at the lower end. Insert and screw the nut 6 to fix it.

Next, the actual scallop culturing device is loaded onto a fishing boat and transported to the site, and a wire is passed through the ring of the cap and hoisted out to sea using a crane on the ship and allowed to fall naturally into the sea, or alternatively, it is dropped from the boat into the sea. Then, it will be placed on the ocean floor with its supporting legs facing down, where it will not be destroyed by ice floes.

After the ice floes have disappeared, all that is required is to leave the containers stacked one on top of the other, remove only the annular grounding portion of the supporting legs, connect the two with a rope, and float the containers to an appropriate depth in the sea.

The size of the holes provided on the entire surface of the container body and lid is preferably about 7 m/m on each side so that the young shellfish do not leak out and the current can easily pass through.

In addition, as in the example, if the annular grounding part of the support leg is removably screwed on, after the drift ice has left, the container with the annular grounding part removed can be floated to an appropriate depth to remove the scallops. It can promote the growth of shellfish.

In addition, when a pair of opposing upper flanges are provided with recesses in the opposite position of the through-holes, when the containers are not in use, the legs can be placed inside the through-holes by turning the containers 180 degrees and stacking them. The storage volume can be reduced because the storage space is inserted into the storage area.

The device for cultivating young scallops of the present invention consists of a lid with a water passage space in the center and a shallow box-shaped container with through holes on the entire surface of the main body. Since multiple pieces are stacked on top of each other, the passage of water is very good and the amount of plankton passing through increases, so the growth of young shellfish is not hindered. Further, since an annular support leg with a diameter larger than the outer size of the container is protruded from the bottom, the container can stand upright stably even if the shape of the seabed is uneven. Additionally, the equipment can be set up simply by dropping it into the sea from the ship, which saves time and effort.
Costs can therefore be saved.

[Brief explanation of the drawing]

FIG. 1 is a partially cutaway perspective view showing an example of the aquaculture device of the present invention, and FIG. 2 is an explanatory view showing the conventional device in a set up state. 1: Container body, 2: Lid, 3: Support legs, 4: Rod body, 7: Water passage space, 11: Through hole, 12, 13:
Flange edge, 14: Leg, 121, 211: Concave part.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. A plurality of shallow box-shaped containers each having a lid with a water passage space in the center and a through hole on the entire surface of the main body, and a leg inserted between the containers. The containers are stacked one after the other at intervals from the top to the bottom, and the containers are fixed by fixtures inserted through the legs inserted between the top and bottom containers. A device for cultivating young scallops, wherein an annular support leg having a diameter larger than the outer size of the container is attached to the bottom of the container. 2. Young scallop cultivation according to claim 1 of the utility model registration claim, in which a concave portion is formed in the same position on the rim of the container and the lid, and the lower end of the upper leg is fitted into the concave portion. Device. 3. The scallop culturing device according to claim 1 or 2 of the utility model registration claim, wherein the supporting legs are made of iron.