JPH0870729A - Repair of skeletal frame of spat culture cage - Google Patents

Abstract

PURPOSE: To repair a spat culture cage easily, quickly and assuredly without the need of any skill by connecting the broken sites of its skeletal frame with a connecting material such as flexible pipes when a part of a peripheral frame of the skeletal frame is broken due to corrosion, etc. CONSTITUTION: Cross member 3d are set up in a rectangular or circular fashion so as to cross over between sides facing to each other. A skeletal frame 3 with nearly square-with-cross shape and rectangular or circular as a whole when viewed from the top and a netty body 2 enveloping the frame 3 are prepared, and with the frame 3 and the netty body 2, a purse-shaped cage is prepared. Spats are then housed at the bottom of this cage, and when a part of a peripheral frame of the skeletal frame 3 is broken due to corrosion, etc., the broken site of the skeletal frame 3 is repaired by connecting it with a connecting member 6 such as flexible pipes.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for easily repairing a bone frame of an aquaculture cage used for cultivating scallop juveniles.

[0002]

2. Description of the Related Art FIG. 6 is an overall explanatory view of scallop juvenile aquaculture. Conventionally, a scallop juvenile aquaculture is a purse-string type so as to cover the bottom and the periphery of a "field" -shaped bone frame 51 in plan view. The aquaculture cage 53 is formed by covering with the net body 52, and the juveniles 55 ... (... indicates a plurality; the same applies hereinafter) are placed on the inner bottom portion 54 of the aquaculture cage 53. A plurality of such aquaculture cages 53 ...
The purse string squeezing part at the upper end of is connected by the connecting cords 56 so that the aquaculture cages 53 are separated vertically, and the connecting cord 56 of the uppermost one is hung on the main rope 57 installed horizontally, The aquaculture cages 53 are soaked and hung in a vertically stacked manner so that the juveniles 55 are cultured. A plurality of aquaculture cages 53, which are stacked one above the other, are suspended in the longitudinal direction of the main rope 57 so as to be separated from each other.

[0003]

In the above-mentioned prior art, the bone frame 51 forming the bottom inside the aquaculture cage 53 is
As disclosed in Design Registration Nos. 843928 and 843929, a resin-coated wire is formed into a rectangular or circular “field” shape in plan view, and a purse-like net body 52 is covered to form the aquaculture cage 53. I am configuring. 7 (A) and 7 (b) are explanatory side views showing conventional problems, and the aquaculture cage 53 is
Since the bone frame 51 is in a state of being immersed in the sea for a long period of time, even if the bone frame 51 is resin-coated, it partially corrodes when immersed in seawater, and as shown in FIG. 7 and the like may be broken at the breaking portion 58, and as a result, as shown in FIG.
As shown in (B), the fractured portions 58 may be bent downward due to the weight of the shellfish, and the shellfish may gather at this portion along the slope, or the fractured portions 58 may damage the net body 52. Therefore,
In such a case, conventionally, the entire aquaculture cage 53 is currently replaced, and an extremely large number of aquaculture cages 53 are required,
It is economically extremely disadvantageous to replace the bone frames 51 one by one only by breaking them.

The present invention has been made to solve the above problems, and its object is to provide a standardized connecting material when a fracture such as a break occurs in a bone frame of a fry shell aquaculture cage. A method for repairing a bone frame of a fry shell cage that is extremely easy, easy to use, and economical can be provided by simply and quickly repairing the cut portion of the bone frame for reuse. It is in.

[0005]

Means for Solving the Problems In order to achieve the above-mentioned object, the present invention provides a method for cutting between the cut portions of a bone frame when a part of the peripheral frame of the bone frame of a fry shell culture cage is cut due to corrosion or the like. It is characterized by connecting with a connecting material of pipe material having flexibility.

Before fitting the connecting material to the bone frame, it is desirable to cut off the cut portion of the bone frame within the range of the length of the connecting material.

The flexible pipe-shaped connecting member may be standardized to a predetermined length by obliquely cutting both ends.

[0008]

According to the above-mentioned means, repairing of the bone frame is extremely easy by simply fitting the pipe-shaped connecting member having a predetermined length which is standardized and easy to use so as to span the cut portion of the bone frame. It can be quickly performed by any person such as an unskilled person, and since both ends of the connecting material are obliquely cut, insertion and fitting into a bone frame cut portion can be performed very easily, reliably and swiftly.

[0009]

An embodiment of the present invention will be described below in detail with reference to the accompanying drawings. Fig. 1 is a perspective view of a juvenile shell cage, Fig. 2 is a vertical side view showing a state of scallop aquaculture by the juvenile shell cage, and Fig. 3
(A) to (C) are side views showing various types of connecting materials used for repair of the present invention, and FIGS. 4 (A) to (D) are fracture, shaping, and connecting of the straight part of the bone frame peripheral frame part. 5A to 5D are enlarged plan views showing, over time, the repair by connecting with a material, and FIGS. 5A to 5D are views showing the fracture and shaping of the corners of the bone frame peripheral frame and the repair by connecting with a connecting material over time. It is a figure.

In FIG. 1, reference numeral 1 denotes a scallop and juvenile shell aquaculture cage. The aquaculture cage 1 has a net 2 and a reinforcing bottom portion covered with the net 2 in a purse-like shape. Mold frame 3
Consists of In the embodiment, the skeleton frame 3 has a rectangular peripheral frame portion 3b which is a square in a plan view and which has four corner portions 3a ...
It is composed of + type cross members 3c and 3d which are erected between the opposite sides of the four sides and which form a reinforcing frame connecting the intersecting parts, and both ends of the cross members 3c and 3d are opposite sides of the rectangular peripheral frame part 3b. 3b '... is connected to the middle portion in the longitudinal direction.

The above-mentioned frame 3 is formed by bending a steel wire rod whose periphery is coated with resin. In the embodiment, the bone frame 3 has a rectangular shape in a plan view, but the peripheral frame portion may have a circular ring shape and a + type cross member may be connected to the frame portion. It is sufficient if the cross members are connected and installed.

The net body 2 has a bottom portion 2 slightly larger than the frame 3.
a, a bottom portion 2a is provided with four side portions 2b which extend integrally from the four circumferences upward and are integral with each other. The side portions 2b ... open the upper part to allow the bone frame 3 to be inserted / removed, and to internally Insert the frame so that it faces the bottom 2a, squeeze the upper part to bind it together, connect the vertical ring-shaped suspension 4 and connect it to the main rope or the upper-layer aquaculture cage with the connection cord 56 shown in FIG. . At the intersection of the cross members 3c and 3d of the bone frame 3, a connecting string 5 for suspending the lower-level aquaculture cage is connected and hung down. In addition, 7 is a side part 2.
It is a fastener part opening provided on the ridgeline where b and 2b intersect, and can be closed by tying the string 8.

FIG. 2 is a vertical cross-sectional side view showing the state of scallop aquaculture with a juvenile shell culture cage.
A hollow pyramid-shaped purse body in which a rigid bone frame 3 is housed in the inner bottom is formed. String 8 of net 2 of such aquaculture basket 1
Open the fastener opening (reference numeral 7 in FIG. 1), insert the juveniles 9 ... through this opening, and insert the bottom 2 of the net 2
The juveniles 9 are accommodated in the basket 1 by placing them on the upper surface of the basket a and are hung in the sea as shown in FIG.

The above-mentioned aquaculture cages 1 ... Are repeatedly used for a long period of time, and are suspended in the sea for most of the period.
Therefore, even if the surface of the bone frame is tentatively coated with resin, the surface may be scratched, salt in seawater may enter from this portion, and corrosion may occur in parts of the peripheral frame portion 3b and the corner portions 3a. In many cases, it progresses and causes breakage as shown in FIG. 7 of the related art.

FIGS. 4A to 4D are views showing the repair work with time when a part of the peripheral frame portion 3b is corroded and fractured. As shown in (A), a part a of a part 3b ′ of the peripheral frame part 3b is corroded and broken, and as a result, the cutting part b is divided. In this case, the bone frame 3 is taken out from the mesh body 2, the cut portion b is confirmed, and then the opposite end portion of the cut portion b is cut by a predetermined length as shown in (B) and trimmed like the shaping portions d and e. , Shaping section d,
e is connected by the connecting member 6. As is clear from the figure, the cut length L1 for shaping is shorter than the length L2 of the connecting member 6.

FIGS. 3 (A) to 3 (C) are views of a connecting material for repair according to the present invention, in which the connecting material 6 is made of a resin pipe material having an inner diameter that is tightly fitted to the frame 3. It is made of flexible material such as vinyl chloride and polyethylene.
It is provided after being standardized and cut to a convenient length. The connecting member 6 of (A) has both ends 6a and 6b cut obliquely in the same direction, and has a large opening area of the cut end, and the cut end has an elliptical shape. It has a shape that allows the bone frame 3 to be easily inserted. Since the cutting directions are the same, the cutting work is easy. The connecting member 16 of (B) includes both end portions 16a, 16
b is obliquely cut in different directions, the opening area of the cut is also large, and the cut has an elliptical shape. It has a shape that allows the bone frame 3 to be easily inserted. The connecting member 26 of (C) is obtained by cutting both ends 26a and 26b at right angles to the axis line, and the cutting work is extremely easy.

Returning to FIG. 4, as shown in FIG.
One of the above-mentioned shaping parts d and e of the peripheral frame part 3b of the bone frame 3,
For example, the shaped end e is fitted and fitted so as to cover the one end 6b from the outside. The insertion work can be performed easily because the connecting member 6 bends. Also, the openings at both ends of the connecting member 6 are cut obliquely to form an elliptical shape, and the opening area is large, so that the shape of the end of the shaping section is large. The fitting will be facilitated. In this way, the one end 6b of the connecting member 6 is joined to the shaping part e. Then, the other end 6a of the connecting material 6 is similarly inserted and fitted into the facing shaping portion d, and the ends 6a and d of the connecting material 6 are placed between the shaping portions d and e of the cut portion of the bone frame 3. The bridge portion is bridged and coupled, and the cut portion b is bridged and coupled by the connecting material 6 as shown in (D), and the repair of the fractured portion a of the bone frame 3 is completed. Since the connecting member 6 has a standardized length dimension, it is possible to cut the connecting member 6 in accordance with the repair location and use it in correspondence with the repair location.
It may also be necessary.

FIG. 5 shows an example in which the corner portion 3a of the skeleton frame 3 is fractured f, and the opposite ends of the cut portion g are shaped as shaping portions h and i in the same manner as above. Similar to the above, the connecting member 6
One of the shaping portions h and i of the corner portion 3a of the bone frame 3, for example, one end portion 6b at the shaping end portion i as shown in FIG. 5C.
The connecting member 6 can be easily fitted and inserted because it is bent as described above, and the openings at both ends of the connecting member 6 are obliquely cut to form an elliptical shape. Since it has a shape and has a large opening area, the fitting with the end of the shaping portion is facilitated similarly to the above. In this way, the one end portion 6b of the connecting member 6 is joined to the shaping portion i.

After that, the other end 6a of the connecting member 6 is similarly inserted and fitted into the facing shaping portion h, and the end 6a of the connecting member 6 is fitted.
5B and the shaping portion h of the cut portion of the bone frame corner portion 3a are connected, and the cut portion g is bridged and connected by the connecting material 6 as shown in FIG. 5D, and the repair of the fractured portion f of the bone frame 3 is completed. .

What is important in repairing the corner portion 3a is that the connecting member 6 bends, so that as shown in FIG. 5D, the connecting member 6 which is a repair member has an arc shape along the corner portion 3a. And is repaired so that the corner portion 3a is restored to its original shape.

As described above, when a part of the bone frame 3 of the aquaculture cage 1 is broken, the connecting material 6 which is stocked in advance is used.
... take out, cut the fractured part of the bone frame 3 and shape it,
Repairing can be performed by inserting and fitting the connecting member 6 between the opposite ends of the shaping unit. For the repairing, the standardized connecting member is stocked and taken out, and the cut portion is shaped and cut, and the connecting member is removed. Repair work can be performed very quickly with extremely easy work such as fitting and fitting without requiring any skill, and the aquaculture cage can be used for a long period of time, which is economical. In the above embodiments, the case where the peripheral member is used for repairing corrosion and breakage has been described. However, the situation is the same for the cross member 3c, and it is needless to say that the cross member 3c can also be used for repairing corrosion and breakage. Is.

In the present invention, the bone frame 3 is taken out from the net body 2, the bone frame 3 is left in the net body 2, or only a part of the bone frame 3 (specifically, the bone frame 3 is used). The repair work using the connecting material 6 may be performed in any of the form of taking out the cut portion 3) from the net body 2.

[0023]

As apparent from the above, according to the present invention,
If standardized pipe-shaped resin connecting material is stocked and the peripheral frame part of the bone frame of the fry shell culture cage is corroded and fractured, the fractured part is cut and the standardized connecting material is used. Repairing can be performed simply by taking out, fitting, and fitting, and the repairing work can be performed easily, easily, quickly, and reliably without requiring skill. Also, because standardized pipe-shaped connecting material is used,
For example, compared to the case of purchasing a long roll-shaped resin tube and crushing it by winding and cutting and shaping a tube with a deformed cross section, making the work easier, more reliable, and faster It has extremely good usability, and can economically repair the bone frame, and can easily contribute to improving the life and durability of the juvenile shell culture cage.

Since the connecting material is provided by cutting and standardizing the pipe material made of resin or the like, it is easy to manufacture, the material is inexpensive, and the cost is very low, and it is economically economical. A repair member can be obtained.

[Brief description of drawings]

[Figure 1] Perspective view of juvenile shell cage

[Fig. 2] Vertical side view showing the state of scallop aquaculture using a juvenile shell cage.

FIG. 3 is a side view showing various kinds of connecting members used for repair of the present invention.

FIG. 4 is an enlarged plan view showing, over time, fracture, shaping, and repair by connecting with a connecting material of a straight portion of the frame surrounding frame.

FIG. 5 is an enlarged plan view showing, over time, rupture, shaping, and repair by connecting with a connecting material of a corner portion of the bone frame peripheral frame portion.

[Figure 6] Overall illustration of scallop fry culture

FIG. 7 is an explanatory side view showing a conventional problem.

[Explanation of symbols]

1 ... Aquaculture cage, 2 ... Net body, 3 ... Bone frame, 3b ... Perimeter frame part, 3
c, 3d ... Cross member, 6 ... Connecting material, 6a, 6b ...
Both end portions, a, f ... Broken portion, d, e, h. , I ... shaping section.

Claims (3)

[Claims] 1. A substantially frame-shaped frame having a rectangular shape or a circular shape such that a cross member is erected so as to intersect between opposite sides, and has a rectangular or circular shape in plan view. Prepare a net body to wrap around, and form a purse-like basket with these frame and net body,
In a juvenile shell culture in which a juvenile shell aquaculture cage in which the juvenile shellfish is stored at the bottom of the basket is hung in the sea, and the juvenile shellfish are cultured, A method for repairing a skeleton aquaculture cage, characterized in that when a part is cut due to corrosion or the like, the cut portions of the skeleton are connected by a connecting member of a flexible pipe material. 2. The fry shell aquaculture according to claim 1, wherein, before the connecting material is fitted to the bone frame, a cutting portion of the bone frame is cut out within a range within the length of the connecting material. How to repair the cage frame. 3. The flexible pipe-shaped connecting member comprises:
The method for repairing a bone frame of a fry shell aquaculture cage according to claim 1 or 2, wherein both end portions are obliquely cut and standardized to a predetermined length.