JP3385330B2 - Undersea curing equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seabed curing device for growing seaweed, especially kelp.

[0002]

2. Description of the Related Art Conventionally, various types of seaweed exterminating devices for removing seaweeds that inhibit the growth of kelp and the like have been available. For example, in Japanese Unexamined Patent Publication No. 7-95829, there is FIG.
As shown in (1), there is disclosed a method in which the miscellaneous seaweed exterminating device 200 is hung from the hull 107 by the crane 106 to the seabed to exterminate seaweeds. In the figure, a metal chain 101 is fixed to a disc-shaped rotary plate 102, and the rotary plate 102 is rotatably driven by a shaft 103 connected to a rotary shaft of a drive source 105 (hydraulic motor), so that the metal chain 101 hangs down. The chain 101 slid while rotating on the sea bottom to exterminate seaweeds. In addition, the position of the metal chain 101 that is hung on the sea bottom is the crane 106 of the hull 107.
It was adjusted by moving up and down. Furthermore, joint 1 is used for obstacles such as sea bottom protrusions and rocks 108.
No. 04 was bent and the metal chain 101 was slid smoothly.

Japanese Unexamined Patent Publication No. 9-47212 discloses a seaweed control apparatus shown in FIG. In the figure, 1
Is a support such as a crane, 2 is a drive source, 3 is a shaft for transmitting rotation, 8 is a universal joint for connecting the shaft 3, 4 is a hoop-shaped rotating body (hoop), and a cross-shaped arm 4a is provided in the hollow portion. The shaft 3 is rotated by the rotation of the shaft 3. A swiveling chain 5 for each one of the cross-shaped arms 4a
2 are hung from each pair, and a projecting member 7c is attached to the lower end of the turning chain 5. In addition, the swing chain 5,
A second hoop portion 6 having the same structure as the hoop 4 is attached to the middle of the longitudinal direction of the hoop 5.

[0004]

However, in the above-mentioned conventional technique, the swing chain 5 suspended from the hoop 4 is used.
Had a problem that it was twisted and biased toward the center due to the resistance of water. Further, the second hoop portion 6 also cannot maintain horizontal rotation due to the influence of waves, and there is a problem in that the shaft and the joint portion are added.

The present invention has been made in view of the above problems, and has a structure in which the weight of the entire device is reduced, the resistance of waves is reduced, and the twisting is reduced, and the seabed curing device in which the chain can slide over a wide range. In addition to exterminating seaweeds such as Honda straw, lime algae that covers rock surface with a hard calcareous layer, etc. The purpose is to measure.

[0006]

The seabed curing apparatus of the present invention is a crane that is hung to the seabed, and a metal chain is swung to slide the seabed to clean the seabed and useful seaweed such as kelp. Is a seabed curing device for curing the vegetation of the above. A drive unit hung from the tip of a crane, a rotary shaft for transmitting the rotation of the drive unit to the lower part, and a rotary shaft and a suspension unit are movably connected. Connection part,
It comprises at least four suspension parts suspended from a suspension part, and the connecting part comprises a rotary plate fixed to a rotary shaft, a support member fixed to the suspension part, the rotary plate and a support member. The suspension part is composed of a suspension member fixed to the support member in a cross shape and a circular frame member fixed to the tip of the cross of the suspension member. The suspension part holds a plurality of ladder-like connecting parts connected to the suspension member, two metal chains connected to the ladder tips of the ladder-like connecting parts, and a space between the two metal chains. And a crosspiece member for

Further, the metal chain is formed of a soft iron material, and a protrusion is formed at a center of a part of the chain in the long axis direction.

According to the present invention, the weight of the entire apparatus can be reduced, the resistance in water can be reduced and the apparatus can be twisted, and the influence of waves can be reduced. Further, by using a coil spring for the connecting portion, the swing of the suspension portion is absorbed to restore the horizontal rotation. Therefore, the chain of the hanging part can slide over a wide range to clean the seabed.

Further, the projections of the metal chain come into contact with the seabed when sliding, and rock repeatedly to disperse the metal components on the rock surface.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings.

FIG. 1 shows a front view of a seabed curing device 100 of the present invention. The seabed curing device 100 connects the drive unit 2 suspended from the tip of the crane 1, the rotary shaft 3 for transmitting the rotation of the drive unit 2 to the lower part, and the rotary shaft 3 and the suspension unit 10 so as to be movable. It is composed of a connecting portion 8 and at least four hanging portions 20 suspended from the suspending portion 10.

The connecting portion 8 includes a rotating plate 8a fixed to the rotating shaft 3 and a supporting member 8b fixed to the suspension portion 10.
The rotary plate 8a and the support member 8b are connected by a plurality of coil springs 8c. With this configuration, even if the suspension portion 10 is inclined due to waves or the resistance of the seabed, the coil spring 8c absorbs the force and returns to the horizontal position. For this reason, the rotation of the suspension unit 10 is kept horizontal, and the suspension unit 20
The area of the sea that slides on the seabed becomes wider.

As shown in FIG. 2, the suspension portion 10 has suspension members 11a, 11 fixed to a supporting member 8b in a cross shape.
b, 11c, 11d, and a circular frame member 11 fixed to the tip of the cross of the suspension member. In this shape, the suspension members 11a, 11b, 11c and 11d are made of H-shaped steel, and the circular frame member 11 is made of a U-shaped metal member to ensure rigidity and reduce the load of the driving unit 2 that rotates by weight reduction. Can be reduced.

The hanging portion 20 is provided with suspension members 11a and 11a.
a plurality of ladder-like connecting portions 12 connected to b, 11c and 11d
And two metal chains 14 connected to the tip of the ladder of the ladder-like connecting portion 12, and a crosspiece member 15 for holding the space between the two metal chains 14.

In this embodiment, two ladder-like connecting portions 12 are provided.
This shows the form in which they are connected. When curing a deep seabed, connect more than one. It is possible to prevent the metal chain 14 from twisting by suspending the metal chain 14 that slides on the seabed at the tip of the ladder-shaped connecting portion 12.

Further, since the crosspiece member 15 is provided between the two metal chains 14 to keep the space therebetween, the metal chains 14 are rotated and slid in different circles so that a large area can be obtained. Can be cleaned and cured.

The metal chain 14 is made of a soft iron material, and a protrusion 14a is formed at the center of a part of the chain in the long axis direction. According to the fact that the metal chain 14 sliding on the seabed is a soft iron material,
It is possible to promote the fixing of seaweed such as kelp by attaching scratch marks of iron components. The protrusions 14a come into contact with the seafloor rocks and serve to strip off calcareous seaweeds.

FIG. 2 is a plan view showing the connecting portion 8 and the suspension portion 10. As shown in the figure, the center of the suspension portion 10 is fixed to the support member 8b below the connecting portion 8, and the suspension members 11a, 11b, 11c, 11d fixed in a cross shape extend in four directions. A circular frame member 11 is fixed to the tip of the circular frame member 11. In the figure, 3 is a rotary shaft, 8a is a rotary plate, and 8c is a coil spring.

[0019]

The present invention has the following effects.

That is, according to the present invention, it is possible to provide a seabed curing device in which the entire device is light in weight, the resistance to waves is small, and the twisting is small, and the chain can slide over a wide range. . For this reason, we control the seaweeds such as Honda straw and the lime algae that cover the rock surface with a hard calcareous layer. be able to.

The connecting portion 8 is composed of a rotary plate 8a fixed to the rotary shaft 3 and a support member 8 fixed to the suspension portion 10.
b and the rotating plate 8a and the supporting member 8b are connected to each other by using a plurality of coil springs, the coil spring 8c absorbs the force even if the suspension portion 10 is tilted due to waves or seabed resistance. Function to return to horizontal. For this reason,
The rotation of the suspension unit 10 is kept horizontal, and the area where the suspension unit 20 slides on the seabed is increased.

Further, the ladder-shaped connecting portion 12 and the crosspiece member 15 are provided.
By using the, it is possible to prevent the metal chain 14 from being twisted, to clean the sea bottom of the metal chain, to widen the curing area, and to improve work efficiency.

[Brief description of drawings]

FIG. 1 is a front view of a seabed curing device of the present invention.

FIG. 2 is a plan view showing a connecting portion and a suspension portion of the present invention.

FIG. 3 is a schematic diagram of a conventional seaweed control apparatus.

FIG. 4 is a schematic view of a conventional seabed curing device.

[Explanation of symbols]

1 crane 2 Drive source (drive unit) 3 shafts (rotating shafts) 4 rotating body (hoop) 4a arm 5 swing chains 6 second hoop 8 Connection part (universal joint) 8a rotating plate 8b support member 8c coil spring 10 Suspension section 11 circular frame material 11a, b, c, d suspension member 12 Ladder connection 14 metal chains 14a protrusion 15 Cross member 20 hanging parts 100 Subsea curing equipment 200 Miscellaneous seaweed control equipment 101 metal chain 102 rotating plate 103 shaft 104 joint 105 drive source 106 crane 107 hull 108 protrusions and rocks

Front page continuation (58) Fields surveyed (Int.Cl. ⁷ , DB name) A01G 33/00 A01M 21/00 A01M 21/02

Claims (2)

(57) [Claims] 1. A seabed curing device for suspending the seabed by a crane, rotating a metal chain and sliding the seabed to clean the seabed and to cure useful seaweed vegetation such as kelp. A drive unit that is hung from the tip of the crane, a rotary shaft that transmits the rotation of the drive unit to the lower part, a connecting unit that rotatably connects the rotary shaft and the suspension unit, and a suspension unit that is suspended from the suspension unit. It comprises at least four hanging parts, and the connecting part connects the rotating plate fixed to the rotating shaft and the supporting member fixed to the suspending part, and connects the rotating plate and the supporting member with a plurality of coil springs. The suspension unit is configured by a suspension member fixed to the support member in a cross shape, and a circular frame member fixed to the tip of the cross of the suspension member, and the suspension unit is a suspension unit. A plurality of ladder-like connecting portions connected to the member, A seabed curing device comprising: two metal chains connected to a ladder tip of a ladder-like connecting portion; and a crosspiece member for holding a distance between the two metal chains. 2. The seabed curing device according to claim 1, wherein the metal chain is formed of a soft iron material, and a protrusion is formed at a center of a part of the chain in the long axis direction.