JP2008162299A - Multi-purpose buoy - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a multi-purpose buoy in which an observation equipment such as a wave gauge which could not be installed in a conventional multi-purpose buoy is installed on a sea platform provided from 30-50 m under a water surface and observation at large depth can be performed by making the sea platform to a virtual seabed. <P>SOLUTION: The multi-purpose buoy has a sinker block connected with one end of a wire and sunk/deposited on a water bottom; the sea platform maintained in the horizontal state relative to the sea surface in the sea by the wire from the sinker block and mounted with the wave gauge or the like; and a multi-purpose buoy body moored to the sea surface side. The multi-purpose buoy body is arranged so as not to be positioned just above the sea platform, thereby, influence is not given to observation by the wave gauge or the like. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a multipurpose buoy that can be used for various oceanographic observations, fish reefs, and the like at sea and in the sea.

  Conventionally, buoys have been used as buoy lamps for ocean measurement and navigation signs. FIG. 15 is a perspective view showing a state in which a conventional buoy is applied to a buoyancy lamp. Hereinafter, a conventional buoy will be described with reference to FIG.

  As shown in FIG. 15, the buoy main body 101 includes a columnar float 102, a pole 104 fixed to the center of the lower surface 102 b of the float 102, and a counterweight 130 provided at the lower end of the pole 104. .

  The float 102 is a member that imparts buoyancy to the buoy body 101, and is made of synthetic resin such as fiber reinforced plastic (FRP), metal such as rolled steel and aluminum alloy, and filled with urethane foam resin or the like as a buoyancy body. And sealed.

  The pole 104 and the counterweight 130 provided at the center of the lower surface 102b of the float 102 are for stably floating the float 102, and the buoy body 101 is stably floated on the water surface 144. be able to.

  When the buoy body 101 having the above-described configuration is used as a buoyant lamp, various lamps are provided on the upper surface 102a of the float 102 for use. For example, as shown in FIG. 15, a bowl-shaped target unit 111 is provided on the upper surface 102 a, and a lamp 111 a is attached to the top of the target unit 111.

  In addition, when the buoy lamp is always lifted at a predetermined position and used, the lower surface 102b of the float 102 and the seabed are connected by a mooring line 142 such as a chain and a sinker block 141, and the buoy main body 101 is fixed. Moored at the position of.

  However, the buoy body 101 has a large surface area that receives loads due to high waves, tidal currents, and blowing currents, and the mooring lines 142 may be cut off. In addition, the buoy main body 101 also moves up and down in response to the rise and fall of the wave height on the sea surface. Therefore, the mooring line 142 such as a chain is worn by repeated relaxation and tension, and the mooring line 142 is cut and the buoy main body 101 is washed away. There is a fear.

  For this reason, Patent Document 1 discloses a multipurpose buoy capable of greatly reducing wear caused by high waves, tidal currents and blowing currents on the buoy, relaxation of mooring lines such as chains due to wave height rise and fall, and repeated tension. It is disclosed. FIG. 16 is a plan view showing an installation state of the conventional multipurpose buoy disclosed in Patent Document 1 and an enlarged view of the surplus portion. Hereinafter, a conventional multipurpose buoy will be described with reference to FIG.

  As shown in FIG. 16, the multipurpose buoy of Patent Document 1 includes a reference sinker block 41a, a plurality of sinker blocks 41b, and a multipurpose buoy body moored near the water surface. 100, the intermediate buoy 21 positioned between the sinker block 41a and the sinker block 41b and the multipurpose buoy main body 100, the wire 42b connecting the multipurpose buoy main body 100 and the intermediate buoy 21, and the sinker block 41a, the sinker block 41b and the intermediate buoy 21 connected The reference wire 42c and the wire 42d.

  The length of the wire 42d connected to the intermediate buoy 21 is adjusted by adjusting the adjusting portion 43 by a diver so as to maintain the intermediate buoy 21 in a horizontal state. As a result, the intermediate buoy 21 floats at a constant distance from the water surface and is located near 40 m (meters) below the water surface. The area near 40m below the surface of the water is not affected by waves, so the middle buoy 21 can be used as a pseudo-seabed even in a water area of 50m or more where divers cannot dive, and the multipurpose buoy body 100 can be easily installed. It is possible to minimize the influence of waves and the like on the multipurpose buoy main body 100.

JP2003-2283

  In recent years, it has become a problem how quickly and accurately grasps the progress, propagation, and magnitude of tsunamis as information on submarine earthquake disaster prevention, and the practical application of tsunami monitoring systems has become an urgent task.

  Conventionally, the wave height meter has been installed on the seabed, and the maximum water depth at which the wave height meter can be installed is about 50 m. In addition, the installation of equipment requires divers' installation work, and the diver's possible diving depth is generally within 50m from the surface of the water, so observation of wave height etc. at relatively large water depths exceeding 50m is performed. It wasn't.

  For this reason, it is desired to be able to observe the water mass movement phenomenon caused by the tsunami at a depth of more than 50 m far from the coast.

  However, the conventional intermediate buoy has a hollow and substantially spherical shape as a whole, and an observation device such as a wave height meter cannot be installed.

  Therefore, the present invention installs an observation device such as a wave height meter, which could not be installed with a conventional multipurpose buoy, on an underwater platform 30 to 50 m below the surface of the water, and makes the underwater platform a virtual seabed. The purpose is to provide a multi-purpose buoy that enables observations on the ground.

  In addition, in the conventional multipurpose buoy, the buoy body located on the sea surface is located directly above the intermediate buoy, so when an ultrasonic wave height meter is installed on the intermediate buoy, the ultrasonic wave is disturbed by the buoy body. Therefore, there is a risk that accurate measurement such as wave height cannot be performed.

  Therefore, an object of the present invention is to provide a multipurpose buoy that allows an ultrasonic wave height meter installed on an underwater platform to be observed stably without being affected by the buoy body.

  In addition, the conventional intermediate buoy has a hollow and substantially spherical shape as a whole, and the size of the intermediate buoy cannot be easily changed. However, the present invention is an underwater platform as an intermediate buoy for a multipurpose buoy. It is an object of the present invention to provide a multipurpose buoy that can be easily changed in size and easy to assemble and disassemble.

  In addition, fishing reefs are usually installed on the seabed, but if the reefs can be installed at a relatively shallow depth of about 50 m in deep water, fishery resources of fish living around the reefs can be investigated. Accordingly, an object of the present invention is to provide a multipurpose buoy that can be used as an artificial fishing reef at a relatively shallow depth by installing a multipurpose buoy underwater platform in a large depth of water.

  In order to achieve the above object, the multipurpose buoy according to the present invention includes a sinker block in which one end of a wire is connected and deposited on the bottom of the water, and the intermediate buoy that is maintained in a horizontal state with respect to the sea surface in the sea by the wire from the sinker block. And a multipurpose buoy main body moored on the sea surface side, wherein the multipurpose buoy main body is arranged so as not to be positioned immediately above the subsea platform.

  The multipurpose buoy main body of the multipurpose buoy according to the present invention is characterized in that the sinker block is moored to the sinker block installed so that a wire from the sinker block is located outside the underwater platform.

  In addition, the underwater platform of the multipurpose buoy according to the present invention is equipped with an ultrasonic wave height meter that emits ultrasonic waves toward the sea surface directly above.

  The submersible platform of the multipurpose buoy according to the present invention is characterized in that a fish reef is formed by stacking the subsea platforms in the water surface direction.

  In addition, the underwater platform of the multipurpose buoy according to the present invention includes a frame that forms an outer periphery and a grating that mounts equipment in the frame.

  Further, the frame of the subsea platform of the multipurpose buoy according to the present invention is made of an aluminum alloy.

  Further, the subsea platform of the multipurpose buoy according to the present invention is characterized in that the size can be varied by increasing or decreasing the number of straight pipes provided with flanges on the hollow cylindrical round pipe constituting the frame. And

  In addition, the underwater platform of the multipurpose buoy according to the present invention is characterized in that at least two or more underwater platforms can be combined in a horizontal direction with the water surface.

  An observation device such as a wave height meter that could not be installed with conventional multipurpose buoys is installed on an underwater platform 30 to 50 m below the surface of the water, and the underwater platform is used as a virtual seabed, allowing observations in deep water. It becomes possible.

  The conventional multi-purpose buoy has an ultrasonic wave height meter installed on the intermediate buoy, and since the buoy body on the sea surface is located directly above the intermediate buoy, the ultrasonic wave is disturbed by the buoy main body and the wave height and other accurate However, according to the present invention, since the buoy body is not directly above the position where the ultrasonic wave height meter is installed, accurate measurement is possible.

  The multipurpose buoy underwater platform according to the present invention can be easily assembled and disassembled, and can be easily changed in size by combining a plurality of underwater platforms or increasing the number of components constituting the underwater platforms. .

  The multipurpose buoy underwater platform according to the present invention can be installed at a position up to 50 m below the surface of the water even in deep water, so that the underwater platform can be used as an artificial fishing reef to reduce the depth of the sea. Investigate and catch live fish.

  Next, a first embodiment of the multipurpose buoy according to the present invention will be described with reference to FIGS. 1 is a perspective view showing an installation state of the multipurpose buoy according to the present invention, FIG. 2 is a plan view showing the installation state of the multipurpose buoy shown in FIG. 1, and FIG. 3 is a front view of the multipurpose buoy main body shown in FIG. 4 is a perspective view of the multipurpose buoy main body shown in FIG. 3, FIG. 5 is a perspective view of the underwater platform of the multipurpose buoy shown in FIG. 1, FIG. 6 is an exploded view of the frame of the underwater platform shown in FIG. These are figures which show an example of the underwater platform which increased the use number of the straight pipe.

  In the present invention, an underwater platform is installed 30 to 50 m below the surface of the water, an observation device such as a wave height meter is installed on the underwater platform, and the underwater platform is used as a virtual seabed, thereby observing the wave height at a large depth. It relates to a multipurpose buoy that enables

  Note that components having the same functions and configurations as those of the conventional multipurpose buoy shown in FIG. 16 are denoted by the same reference numerals.

  As shown in FIGS. 1 and 2, the multipurpose buoy according to the present invention includes a reference sinker block 41a, a plurality of sinker blocks 41b and a shared sinker block 41c deposited on the bottom of the seabed, lake bottom, riverbed, etc. A multipurpose buoy body 1 moored in the vicinity, a reference sinker block 41a, a sinker block 41b, a shared sinker block 41c, an underwater platform 70 located between 30 m and 50 m below the surface of the water, and a reference sinker The block 41a, the sinker block 41b, the common sinker block 41c, and a reference wire 42c and a wire 42d for connecting the underwater platform 70, and a wire 42d for connecting the shared sinker block 41c and the sinker block 41b to the multipurpose buoy main body 1 are included. 2 is a state where the grating 76 (shown in FIG. 5) as a lattice member is removed in order to clarify the position of the reference sinker block 41a.

  As shown in FIG. 2, the shared sinker block 41 c and the sinker block 41 b for mooring the multipurpose buoy main body 1 are deposited so as to be outside the underwater platform 70 when the seabed is viewed from the sea surface. For this reason, the wire 42d which connects the multipurpose buoy main body 1, the shared sinker block 41c and the sinker block 41b comes to be located outside the underwater platform.

  Thereby, as shown in FIG.1 and FIG.2, the multipurpose buoy main body 1 is not located in the submarine platform 70 but installed in the separated position.

  The multipurpose buoy main body, the underwater platform, the sinker block and the wire constituting the multipurpose buoy will be described in detail below. First, the multipurpose buoy body will be described with reference to FIGS.

  As shown in FIGS. 3 and 4, the multipurpose buoy main body 1 includes a float 6 interposed between the upper ring portion 3 and the lower ring portion 5, the upper ring portion 3 and the lower surface around the center pole 2. A connecting pipe 10 for connecting the ring portion 5 to the center pole 2, an upper pole 7 provided on the upper portion of the center pole 2 and carrying a marker lamp 7 c, an antenna, etc., and the center pole 2 and the upper pole 7. A connecting pole 8 interposed therebetween and a counterweight 9 provided under the center pole 2 are formed.

  The center pole 2 is made of a metal such as stainless steel, aluminum, or an aluminum alloy, and is formed of a hollow pipe. At the end of the center pole 2, flanges 2a for coupling to the connecting pole 8 and the counterweight 9 are provided. Further, an upper surface fixing bracket 2b and a lower surface fixing bracket 2c for coupling the float 6 to the center pole 2 through a connecting pipe 10 are provided near the upper and lower portions of the center pole 2. The upper surface fixing metal fitting 2b and the lower surface fixing metal fitting 2c have connection holes for coupling to the connection pipe 10. Further, a handle 2d is provided between the flange 2a at the upper end of the center pole 2 and the upper surface fixing bracket 2b.

  The upper surface ring portion 3 is made of a metal such as stainless steel, aluminum, or an aluminum alloy, and is formed in a donut plate shape. A metal fitting 3a for coupling to the connecting pipe 10, a plurality of bolt holes formed at equal intervals between the connecting pipes 10 along the circumferential direction, and the grating part 4 are mounted on the upper portion of the upper surface ring portion 3. It has a hook 3b for mooring a bolt hole and a multipurpose buoy body with a wire. A bolt hole is provided in the metal fitting 3 a for coupling to the connection pipe 10. The other surface of the upper ring portion 3 is in contact with the float 6.

  The grating portion 4 is mounted on the upper pole 7 by an operator and serves as a scaffold when installing and inspecting the built-in equipment. The grating portion 4 is a metal formed in a lattice shape, and the upper portion of the upper ring portion 3 is provided. It is provided to cover.

  The lower surface ring portion 5 facing the seabed side has the same configuration as the upper surface ring portion 3, and the grating portion 4 is not attached. In addition, the upper surface ring part 3 and the lower surface ring part 5 are not limited to an annular shape, and various forms can be adopted.

  The float 6 is a member that imparts buoyancy to the multipurpose buoy main body 1, is formed in a ring shape corresponding to the upper ring portion 3 and the lower ring portion 5, and has the same outer diameter and inner diameter as the upper ring portion 3 and the lower ring portion 5. And a plurality of bolt holes formed at positions corresponding to the bolt holes of the upper ring portion 3 and the bolt holes of the lower ring portion 5 along the circumferential direction. The float 6 can also be configured to be splittable to facilitate transportation to the installation water area, on-site assembly, and the like. The multipurpose buoy main body 1 is fastened and fixed by a washer and a nut by inserting a float 6 between the upper ring portion 3 and the lower ring portion 5 and inserting bolts into the bolt holes. The float 6 is made of a metal such as rolled steel, stainless steel, aluminum, or an aluminum alloy (stainless steel in the present embodiment), and is filled and sealed with styrene foam as a buoyant body. The float 6 can also be formed of a synthetic resin such as fiber reinforced plastic (FRP), and urethane foam resin or the like may be used as a buoyancy body filled inside. The form of the float 6 is appropriately selected according to the form of the upper surface ring part 3 and the lower surface ring part 5.

  Further, an auxiliary float for increasing the buoyancy of the multipurpose buoy main body 1 can be connected around the float 6. An auxiliary float can be provided not only in the periphery of the float 6 but also in the multipurpose buoy main body 1, and an appropriate size auxiliary float is provided in consideration of the weight of various devices installed in the multipurpose buoy main body 1. It is possible to connect.

  The connecting pipe 10 is for connecting the upper ring portion 3 and the lower ring portion 5 with the float 6 interposed therebetween to the center pole 2, and the bolt hole of the metal fitting 3 a provided on the upper ring portion 3 and the lower ring portion 5. The tip of the connection pipe 10 is fixed to the upper surface fixing bracket 2b and the lower surface fixing bracket 2c of the center pole 2 with the bolt and nut. The multipurpose buoy body shown in FIGS. 3 and 4 is an example in which six connecting pipes 10 are used for the upper ring portion 3 and the lower ring portion 5.

  The upper pole 7 is provided on the upper part of the center pole 2 and has flanges 7a at both ends. One flange 7a of the upper pole 7 is for coupling with the connecting pole 8, and the other flange 7a of the upper pole 7 is provided with a marker lamp 7c. Since the upper pole 7 is attached to the highest position of the multipurpose buoy main body 1, a marker lamp 7c, a GPS or satellite antenna, a solar panel, and the like are mounted (FIG. 1 shows a marker lamp). 7c only). The inside of the upper pole 7 is kept watertight and accommodates various devices such as a transceiver, a data logger for collecting data, and a battery. Various devices may be housed inside the upper portion of the center pole 2.

  The upper pole 7 is provided with an arm 7b, and a bolt hole for coupling to the metal fitting 8a of the connecting pole 8 is provided at the tip of the arm 7b.

  The connecting pole 8 is interposed between the center pole 2 and the upper pole 7 and has flanges 8a on both end faces. The flange 8a is fastened to the center pole 2 and the upper pole 7 with bolts and nuts. Bolt holes are provided. Further, the connecting pole 8 has a metal fitting 8b for connecting to the arm 7b of the upper pole 7, and the tip of the arm 7b from the upper pole 7 is connected to the tip of the metal fitting 8b with a bolt and a nut. Bolt holes are provided. The upper pole 7 can be rotated toward the upper ring portion 3 with the bolt hole of the metal fitting 8b of the connecting pole 8 as a fulcrum. The dotted upper pole 7 shown in FIG. 3 shows a state in which the bolt and nut are removed and the upper pole portion 7 is rotated to the upper ring portion 3 side.

  The counterweight 9 is for maintaining the balance of floating of the multipurpose buoy body at sea, and is provided at the lower part of the center pole 2. The counterweight 9 is provided with a flange 9a for coupling to the center pole 2, a flange 9a for attaching a weight 9c to the other end, and a guide rod 9b for the weight 9c at the center of the flange 9a. The weight 9c is formed in a donut shape so that it can be inserted into the guide rod 9b, and has a plurality of bolt holes. A predetermined number of weights 9c are inserted into the guide rod 9b, and bolts are inserted into the flange 9a and weight 9c bolt holes and fixed with nuts.

  The number of weights 9c used for the counterweight 9 is determined according to the size, position, etc. of the device mounted on the upper pole 7. The counterweight 9 shown in FIG. 3 is an example in which five weights 9c are used.

  The multipurpose buoy main body 1 having the above configuration is moored on the sea by three wires 42d from the seabed, for example, as shown in FIGS.

  Further, the multipurpose buoy main body 1 is provided with a rotatable metal fitting instead of the upper surface fixing metal fitting 2b and the lower surface fixing metal fitting 2c of the center pole 2, and the connecting pipe 10 is coupled to the rotation metal fitting so that the center pole 2 And the connecting pipe 10 coupled to the upper surface ring portion 3 and the lower surface ring portion 5 are configured to be relatively rotatable so that the tip of the counterweight 9 on the seabed side is moored with a single wire. It is also possible. Thereby, the twist of the wire and the transmission cable due to the rotation of the float 6 can be prevented. Moreover, the number of wires for mooring the multipurpose buoy main body 1 may be one, and the installation cost of the multipurpose buoy main body can be reduced.

  Next, the subsea platform 70 positioned between the multipurpose buoy main body 1 and the reference sinker block 41a, sinker block 41b, and shared sinker block 41c at the bottom of the water will be described with reference to FIGS. As shown in FIG. 5, the underwater platform 70 includes a frame 71 and a grating 76. The undersea platform 70 is installed so that the surface of the frame 71 on which the greetin 76 is installed is the sea surface side and parallel to the sea surface.

  FIG. 6 is a development view of the frame 71 of the subsea platform 70 shown in FIG. As shown in FIG. 6, the frame 71 of the underwater platform 70 is formed by combining a straight pipe 73 and an L-shaped pipe 74, and the straight pipe 73 and the L-shaped pipe 74 are coupled via a connection fitting 75. The material constituting the straight pipe 73 and the L-shaped pipe 74 is made of an aluminum alloy. As shown in FIG. 6, the straight pipe 73 includes a cylindrical round pipe 73a having a hollow inside, and flanges 73b made of flat plates at both ends of the round pipe 73a. The end face of the cylindrical round pipe 73a of the straight pipe 73 and the flange 73b are joined together by welding or the like. Further, a reinforcing plate 73d for reinforcing welding between the end surface of the round pipe 73a and the flange 73b is welded to the vicinity of the end surface of the cylindrical round pipe 73a and the flange 73b, and the end surface of the round pipe 73a is provided. To withstand the stress applied to the Further, the straight pipe 73 is protected from immersion so that seawater does not penetrate into the space of the round pipe 73a. The surface opposite to the surface of the flange 73b of the straight pipe 73 that contacts the end surface of the round pipe 73a is a surface that couples to the connection fitting 75, and the flange 73b has a bolt hole 73c for coupling to the connection fitting 75 (this embodiment). In the form of 6).

  As shown in FIG. 6, the L-shaped pipe 74 has an elbow 74 a that is hollow inside and formed at an angle of 90 degrees, and flanges 74 b that are flat plates at both ends of the elbow 74 a. The end face of the cylindrical elbow 74a and the flange 74b are joined by welding or the like, and the end face vicinity of the elbow 74a formed in an L shape and the flange 74b reinforce the welding between the end face of the elbow 74a and the flange 74b. A reinforcing plate 74d for welding is provided so as to withstand the stress applied to the end face of the elbow 74a. In addition, the L-shaped pipe 74 is protected against seawater from penetrating into the space of the elbow 74a. The surface opposite to the surface of the flange 74b of the L-shaped pipe 74 that contacts the end surface of the elbow 74a is a surface that is coupled to the connection fitting 75, and the flange 74b has a bolt hole 74c for coupling to the connection fitting 75 (this embodiment). In the form of 6).

  As shown in FIG. 6, the connection fitting 75 is for connecting the straight pipe 73 and the L-shaped pipe 74, and the straight pipe 73 and another straight pipe 73, and the bolt hole 75c from the center position to a predetermined position. (6 places in this embodiment) are provided. Near the corner of the connection fitting 75, there are provided wire through-holes 75a (four in this embodiment) for inserting the wire from the sinker block installed on the seabed and fixing the undersea platform 70. The connection fitting 75 is provided with a circular hole 75b having a predetermined radius at the center. The hole 75b is provided to reduce the weight of the connection fitting 75. Mooring of the subsea platform 70 from the seabed is performed by fixing a wire from the sinker block to a wire through hole 75 a formed in the connection fitting 75.

  As shown in FIG. 6, the frame 71 of the undersea platform 70 is composed of four L-shaped pipes 74 arranged at the corners and six straight pipes 73 coupled between the L-shaped pipes 74. The straight pipe 73 and the L-shaped pipe 74 have the same shape and the same size, respectively. For this reason, the frame 71 can be obtained in a necessary size by increasing or decreasing the number of straight pipes 73 to be used. For example, as shown in FIG. 7, the use of 12 straight pipes 73 can increase the size of the undersea platform 70 and increase the area of the grating 76.

  The frame 71 of the submarine platform 70 has a fitting 75 interposed between the flange 73b of the straight pipe 73 and the flange 74b of the L-shaped pipe 74, and bolts are inserted into the respective bolt holes 73c, 74c, 75c. The assembly is completed by fastening and fixing with a washer and a nut.

  As shown in FIG. 5, the grating 76 of the subsea platform 70 is made of aluminum, stainless steel, or the like and is formed in a lattice shape. The bar 76a fixed to the lower surface of the grating 76 is perpendicular to the mounting direction of the bar 76a. The bridge 71b is fixed to the frame 71. The fixing of the grating 76 to the frame 71 is fastened with a washer and a nut using a fixing bracket and a U-shaped bolt at the end of the bridge 76b on the round pipe 73a of the frame 71. An observation device, a battery as a waterproof power source, and the like are installed on the grating 76 inside the frame 71.

  In addition, the multipurpose buoy underwater platform according to the present invention can be combined in a plane using a plurality of underwater platforms to change the size of the underwater platform. FIG. 8 shows an example in which four subsea platforms 70 shown in FIG. As shown in the enlarged view of FIG. 8, the submarine platform 70 and the other submarine platform 70 are coupled with bolts and nuts using the connection plate 79 and the wire through hole 75 a of the connection fitting 75.

  As described above, the frame 71 of the subsea platform 70 has the connecting metal fitting 75 interposed between the straight pipe 73 and the L-shaped pipe 74, and the bolts are inserted into the respective bolt holes, and the washer and nut are used. The assembly is completed by fastening and fixing. Further, the grating 76 is fixedly fastened to the frame 71 by a washer and a nut using a fixing bracket and a U-shaped bolt. For this reason, the undersea platform 70 can be easily assembled before installation, and the installation period can be shortened. Moreover, it can also be disassembled into straight pipes 73, L-shaped pipes 74 and gratings 76 and transported easily.

  Since the underwater platform 70 is formed by a cylindrical round pipe 73a having a hollow inside and an elbow 74a having a hollow inside, a force that rises due to buoyancy is generated in the sea. As a result, the grating 76 can be equipped with a device having a mass of several hundred kilograms.

  The embodiment of the submarine platform frame described above uses a straight pipe made of an aluminum alloy. Next, an embodiment using a styrofoam as a floating body for the straight pipe will be described.

  FIG. 9 shows an underwater platform 70 using a polystyrene foam as a floating body instead of the round pipe 73a of the straight pipe 73 shown in FIG. FIG. 10 is a perspective view showing the configuration of the floating body straight pipe.

  As shown in FIG. 10, the floating body straight pipe 78 shown in FIG. 9 is provided with socket-type flanges 78a at both ends, and one end surface of the socket-type flange 78a is a surface in contact with the connection fitting 75. On the other surface of 78a, a socket is formed in a cylindrical shape so as to insert a polystyrene foam 78b as a floating body. A reinforcing plate 78d is provided on the outer periphery of the cylindrical socket. The polystyrene foam 78b as a floating body has a columnar shape, and a column 78c made of metal such as aluminum is built in the center of the column. The foamed polystyrene 78b is fitted to the socket type flange 78a, and is fastened and fixed to the column 78c located at the center of the foamed polystyrene column by a bolt from the end surface of the socket type flange 78a, and the cylindrical foamed polystyrene 78b is fixed to the socket type flange 78a. Thus, an underwater platform can also be comprised using the polystyrene foam as a floating body. The L-shaped pipe 74 shown in FIG. 9 is the same as the L-shaped pipe 74 shown in FIG.

  As described above, the subsea platform can be easily assembled and disassembled on site, so that the transportation cost is low. Furthermore, since the size of the subsea platform can be easily changed, the restriction on the size of the equipment mounted on the grating is relaxed. In addition, mooring of the submarine platform from the seabed is possible because it can be moored from the connection fittings at 10 places around the frame, so that it is stable in the sea and suitable for observation at a large depth.

  Next, the reference sinker block 41a, the sinker block 41b, the shared sinker block 41c, and the reference sinker block 41a, the sinker block 41b, the reference sinker block 41c, and the reference wire 42c and the wire 42d that connect the shared sinker block 41c and the underwater platform 70 deposited on the bottom of the water. A description will be given with reference to FIG.

  As shown in FIG. 1, the reference sinker block 41a, the sinker block 41b, and the shared sinker block 41c are submerged from the ship to the bottom of the water to moor the underwater platform 70 and the multipurpose buoy body 1, and are made of concrete and have a weight. There are some that are several tons. As is clear from FIGS. 1 and 2, a plurality of sinker blocks 41b are fixed at equal intervals around the reference sinker block 41a. The reference sinker block 41a and the sinker block 41b are provided with a reference hanging bracket 44a (shown in FIG. 1) or a hanging bracket 44b for connecting to the reference wire 42c or the wire 42d at the upper ends thereof. The shared sinker block 41c connects the underwater platform 70 and the multipurpose buoy main body 1 with wires 42d.

  The reference wire 42c connects the reference sinker block 41a and the underwater platform 70, and is connected to the wire through hole 75a of the underwater platform 70 and the reference hook 44a at the upper end of the reference sinker block 41a. When the reference wire 42c is stretched, it is tensioned by the buoyancy of the underwater platform 70 itself.

  The wire 42d is connected to the wire through-hole 75a of the undersea platform 70 and the hanging bracket 44b disposed at the upper end of the sinker block 41b. However, the underwater platform 70 is a pseudo seabed, The length of 42d is adjusted by the diver to keep the subsea platform 70 in a horizontal state. As a result, as shown in FIG. 1, the underwater platform 70 floats from the water surface to a certain depth. The underwater platform 70 is located in the vicinity of 40 m underwater from the water surface. In the vicinity of a depth of 40 m, since it is not affected by waves, the underwater platform 70 can be used as a pseudo submarine even in a water area of 50 m or more where divers cannot dive, and the multipurpose buoy body 1 can be easily installed. It is possible to minimize the influence of waves and the like on the multipurpose buoy main body 1.

  The reference wire 42c and the wire 42d are made of a fiber rope or the like that is easy to handle.

  In the embodiment of the multipurpose buoy installation shown in FIGS. 1 and 2, the multipurpose buoy main body 1 and the underwater platform 70 share the shared sinker block 41c. However, the multipurpose buoy is replaced with the shared sinker block 41c. Each sinker block 41b may be installed in the main body 1 and the underwater platform 70, and the multipurpose buoy main body 1 and the underwater platform 70 may be moored by each sinker block 41b. Further, in the embodiment of installing the multipurpose buoy shown in FIGS. 1 and 2, one shared sinker block 41c is used. However, instead of the sinker block 41b, a shared sinker block 41c is installed and a plurality of shared sinker blocks 41c are used. The sinker block 41c may moor the multipurpose buoy main body 1 and the underwater platform 70.

  Further, the float of the multipurpose buoy main body 1 is rotatable, and the multipurpose buoy main body moored by one wire is shared with the underwater platform 70 by the shared sinker block 41c. In the mooring of the multipurpose buoy body, the number of sinker blocks installed and the installation position are appropriately determined according to the characteristics of the multipurpose buoy body, water depth, and the like.

  Next, a method for installing the multipurpose buoy according to the present invention will be described with reference to FIG. FIG. 11 shows a multipurpose buoy installation method according to the present invention, and is a plan view showing (a) to (d) in the order of steps.

  As shown in FIG. 11A, the reference wires 42c are connected to the four connection fittings 75 using the wire through holes 75a on the seabed side of the predetermined four connection fittings 75 of the undersea platform 70, and the four places. The reference wire 42c is adjusted so that the connection point of the reference wire 42c is the center of the underwater platform 70, and the reference wire 42c is connected to the reference sinker block 41a from the connection point. Further, the wire is temporarily fixed to the wire through holes 75a of the predetermined four connection fittings 75 on the sea surface side of the undersea platform 70, and the connection point of the wires from the four connection fittings 75 becomes the center of the undersea platform 70. The wire from the coupling point is connected to the pilot buoy 60 to prepare. The installation point of the reference sinker block 41a is measured by a GPS (Global Positioning System) installed on the ship, and the reference sinker block 41a, the underwater platform 70, and the pilot buoy 60 are sequentially deposited from the ship by a crane or the like. The length of the reference wire 42c that connects the reference sinker block 41a and the underwater platform 70 is calculated in consideration of the depth of the installation point so that the underwater platform 70 floats near 40 m below the sea surface. Through this process, the standard sinker block 41a, the undersea platform 70, and the pilot buoy 60 are installed and floated from the sea floor to the sea surface in this order. Further, since the underwater platform 70 floats in the vicinity of 40 m below the sea surface, the length between the pilot buoy 60 and the underwater platform 70 is about 40 m to the sea surface, and the pilot buoy 60 connected to one end of the wire. Floats on the sea surface and serves as a landmark in the installation process, which is useful for visual recognition from ships.

  As shown in FIG. 11 (b), a plurality of sinker blocks 41b are arranged around the center of the installation point of the reference sinker block 41a, and the pilot buoy 60 and the wire 42d connected to the sinker block 41b and the wire 42d. A plurality of attached babies 61 are deposited from the ship. When the diver fixes the wire 42d from the sinker block 41b to the underwater platform 70, the abyebuy 61 floats so that the wire 42d does not sink to the seabed when the wire 42d is cut at a predetermined length. It is for keeping. The installation point of the sinker block 41b is calculated on the basis of the reference sinker block 41a, and the installation point is measured by GPS like the reference sinker block 41a.

  In addition, one end of each of the two wires 42d to which the babies 61 are attached is connected to the shared sinker block 41c and the other end is connected to the pilot buoy 60 so that the shared sinker block 41c and the pilot buoy 60 are deposited in this order. One of the two wires 42 d from the shared sinker block 41 c is used for the underwater platform 70, and the other one is used for mooring the multipurpose buoy main body 1. The shared sinker block 41c is installed such that the wire 42d from the shared sinker block 41c is positioned outside the underwater platform 70 with the installation point of the reference sinker block 41a as the center. For mooring the multipurpose buoy body 1, a sinker block 41b, a pilot buoy 60 connected to the sinker block 41b by a wire 42d, and a plurality of abuoys 61 attached to the wire 42d are deposited. At this time, two mooring sinker blocks 41b of the multipurpose buoy main body 1 are used, and as shown in FIG.

As shown in FIG. 11C, the wire 42d connected to the sinker block 41b and the pilot buoy 60 is connected to a predetermined wire through hole 75a on the seabed side of the underwater platform 70 by a diver. At this time, in order to make the underwater platform 70 a pseudo water bottom, the wire 42d is stretched and tensioned to adjust the underwater platform 70 to a horizontal state. The extra wire 42d is rolled by a diver and wound around the wire. Since the underwater platform 70 is floating in the vicinity of 40 m below the sea surface, the wire 42d can be sufficiently connected to the underwater platform 70 by a diver.
In addition, one of the two wires from the shared sinker block 41c is connected to and connected to the wire through hole 75a of the underwater platform 70.

  Next, the multipurpose buoy main body 1 is floated on the sea surface, and the wire 42d from the shared sinker block 41c connected to the pilot buoy and the wire 42d from the mooring sinker block 41b of the multipurpose buoy main body 1 are hung on the multipurpose buoy main body 1. It is made to tie to the metal fitting 5c. Thereby, the multipurpose buoy body is moored at a position away from the sea level just above the underwater platform. The installation state of the multipurpose buoy in this case is as shown in FIG. Note that the distance from the sea level immediately above the underwater platform to the multipurpose buoy main body 1 is, for example, the tension angle (θ shown in FIG. 11 (c)) of the wire 42d connected from the shared sinker block 41c to the underwater platform is 30 degrees. When the distance from the underwater platform to the seabed is 50 m and the multipurpose buoy main body 1 is located immediately above the shared sinker block 41c, it is about 29 m. For this reason, in the form shown in FIG. 2, the distance from the position of the sea surface just above a submarine platform to the multipurpose buoy main body 1 is 29 m or more.

  The multipurpose buoy main body 1 is coupled to a plurality of sinker blocks and moored with a plurality of wires, and the position of the multipurpose buoy main body can be reliably fixed by mooring with the plurality of wires. As shown in FIG. 11D, the observation device is submerged in the sea with a crane or the like, and the observation device 82 is mounted on the underwater platform 70 by a diver. Further, the transmission cable 81 from the multipurpose buoy main body 1 is connected to the observation equipment.

  Note that the observation device 82 mounted on the underwater platform may be mounted on the underwater platform 70 in advance when the multipurpose buoy is installed, and may be installed simultaneously with the installation of the underwater platform. The transmission cable 81 is also installed at the same time as the subsea platform. This completes the multipurpose buoy.

  FIG. 12 is a diagram showing another embodiment of the installation state of the multipurpose buoy. (A) fixes two places of the connection metal fitting 75 located in the short side of the flame | frame 71 of the underwater platform 70, and the sinker block 41b with the wire 42d. Further, (b) shows a structure in which three places of the connection fitting 75 located on the long side of the frame 71 of the underwater platform 70 and the two sinker blocks 41b are fixed by wires 42d. The multi-purpose buoy can be installed other than those described above, and the multi-purpose buoy is selected as appropriate.

  As described above, the observation platform can be installed even in a deep water area where the underwater platform 70 is kept in a horizontal state so as to be a simulated seabed and divers cannot dive.

  FIG. 13 shows an example of the configuration of the multipurpose buoy main body 1 and the observation equipment and the like installed on the underwater platform 70. As shown in FIG. 13, an ultrasonic wave height meter denoted by reference numeral 82, a water quality sensor for measuring water temperature, salinity, and the like are mounted on the subsea platform 70. The multipurpose buoy body 1 has an upper pole. A solar panel, a GPS antenna, a satellite antenna, and a marker lamp are installed through 6. Further, in the upper pole 7 of the multipurpose buoy main body 1, a GPS wave height meter, a satellite transceiver, a data logger, a charge / discharge controller, a battery, and a connection box indicated by reference numeral 80 are incorporated. The devices in the upper pole 7 of the multipurpose buoy main body 1 and the devices on the underwater platform 70 are connected by a transmission cable 81.

  As described above, the multipurpose buoy according to the present invention has an observation device such as a wave height meter that cannot be installed with a conventional multipurpose buoy on an underwater platform provided 30 to 50 m below the sea level. By using a virtual seabed, observations at deep water depths are possible.

  In addition, in the conventional multipurpose buoy, the buoy body located on the sea surface is located directly above the intermediate buoy, so when an ultrasonic wave height meter is installed on the intermediate buoy, the ultrasonic wave is disturbed by the buoy body. However, since the buoy body is not directly above the position where the ultrasonic wave height meter is installed, accurate measurement is possible.

  The multipurpose buoy underwater platform according to the present invention can be easily assembled and disassembled, and can be easily changed in size by combining a plurality of underwater platforms or increasing the number of components constituting the underwater platforms. .

  Next, an embodiment in which the multipurpose buoy underwater platform according to the present invention is used as an artificial reef will be described with reference to FIG. FIG. 14 is a perspective view showing an embodiment in which the multipurpose buoy underwater platform of the present invention is used as an artificial reef.

  As shown in FIG. 14, the artificial fishing reef using the underwater platform is obtained by stacking a plurality of underwater platforms 70 toward the sea surface (FIG. 14 shows an example in which five are used). In the artificial reef shown in FIG. 14, the connection fitting 83 is fixed to the wire through hole 75 a of the undersea platform 70, and the undersea platforms 70 are stacked at a predetermined interval so as to secure a necessary space between the undersea platforms 70. ing. Further, as shown in FIG. 14, the connection fitting 83 is provided with a hole 83a for reducing a load applied to the connection fitting 83 due to a tidal current. After the subsea platform 70 is stacked, algae are grown on the subsea platform 70 to form a seaweed bed.

  The multipurpose buoy shown in FIG. 14 conducts a fishery resource environment survey in an installation area of the multipurpose buoy by providing an artificial fishing reef on the underwater platform 70. That is, an underwater platform 70 is installed at an arbitrary depth up to 50 m below the sea level, an artificial reef is provided on the undersea platform 70 that is a pseudo-seabed, and fish that migrate around the multipurpose buoy are collected. Although not shown in FIG. 14, a fishery resource environment survey can be performed by a fish finder such as a searchlight sonar installed in the multipurpose buoy main body 1 moored above the underwater platform 70. In this case, by installing communication means such as radio or telephone line on the multipurpose buoy, information on the water temperature, wave height and the school of fish reflected in the searchlight sonar, etc. in the water area where the multipurpose buoy is installed will be displayed. The fishery can be efficiently carried out by transferring in real time. In addition, after examining the past catches, the installation depth of the underwater platform 70 and the installation sea area are changed as appropriate, and by investigating which fish inhabit which water area and depth, it is efficient over the long term. Fishing is possible.

It is a perspective view which shows the installation state of the multipurpose buoy by this invention. It is a top view which shows the installation state of the multipurpose buoy shown in FIG. It is a front view of the multipurpose buoy main body shown in FIG. (A) is a perspective view of the multipurpose buoy main body shown in FIG. 3, (b) is a figure which shows the state which has not attached the grating part to the multipurpose buoy main body shown in FIG. FIG. 2 is a perspective view of the multipurpose buoy underwater platform shown in FIG. 1. FIG. 6 is a development view of the frame of the subsea platform shown in FIG. 5. It is a figure which shows an example of the subsea platform which increased the number of use of a straight pipe. It is a figure which shows an example of the underwater platform which increased the number of use of the underwater platform shown in FIG. It is a figure which shows the submarine platform using a polystyrene foam as a floating body. It is a perspective view which shows the structure of a floating body straight pipe. It is the installation method of the multipurpose buoy by this invention, Comprising: It is the top view which showed (a)-(d) in process order. FIG. 5 is a diagram showing another embodiment of the installation state of the multipurpose buoy, and (a) is a view in which two places of the connection fittings located on the short side of the frame of the underwater platform and the sinker block are fixed with wires, (B) is the figure which fixed the three places of the connection metal fitting located in the long side of the frame of a submarine platform, and two sinker blocks with the wire. It is a figure which shows an example of a structure of the observation instrument etc. which were installed in the multipurpose buoy main body of a multipurpose buoy, and an underwater platform. It is a perspective view which shows embodiment using a marine platform of a multipurpose buoy as an artificial reef. It is a perspective view which shows the state which applied the conventional buoy to the buoy lamp. It is the top view which shows the installation condition of the conventional multipurpose buoy, and the enlarged view of a surplus part.

Explanation of symbols

1 Multipurpose buoy body 2 Center pole 2a Flange 2b Upper surface fixing bracket 2c Lower surface fixing bracket 2d Handle 3 Upper surface ring portion 3a Metal fitting 3b Hanging bracket 4 Grating portion 5 Lower surface ring portion 5a Metal fitting 5b Hanging bracket 6 Float 7 Upper pole 7a Flange 7b Arm 7c Indicator light 8 Connecting pole 8a Flange 8b Metal fitting 9 Counterweight 9a Flange 9b Guide rod 9c Weight 10 Connecting pipe 41a Reference sinker block 41b Sinker block 41c Shared sinker block 42c Reference wire 42d Wire 44a Reference hanging bracket 44b Hanging bracket 60 Pilot buoy 61 AB 70 Underwater platform 71 Frame 73 Straight pipe 73a Round pipe 73b Flange 73c Bolt hole 73d Reinforcement plate 74 L-shaped pipe 74a Elbow 74b Flange 74c Bolt Hole 74d Reinforcing plate 75 Connection fitting 75a Wire through hole 75b Hole 75c Bolt hole 76 Grating 76a Bar 76b Bridge 78 Floating body straight pipe 78a Socket type flange 78b Floating body (Styrofoam)
78c Support column 78d Reinforcement plate 79 Connection plate 80 Equipment in upper pole 81 Transmission cable 82 Observation equipment 83 on underwater platform Connection fitting 83a Hole

Claims (8)

A sinker block in which one end of the wire is connected and deposited on the bottom of the water, a submarine platform as the intermediate buoy maintained in a state of being parallel to the sea surface in the sea by the wire from the sinker block, and a multipurpose buoy moored on the sea surface A main body,
The multi-purpose buoy main body is arranged so as not to be located directly above the underwater platform. The multipurpose buoy according to claim 1, wherein the multipurpose buoy body is moored to the sinker block installed so that a wire from the sinker block is located outside the underwater platform. The multipurpose buoy according to claim 1, wherein the subsea platform is equipped with an ultrasonic wave height meter that emits an ultrasonic wave toward a sea surface directly above. The multipurpose buoy according to claim 1, wherein the underwater platform is a fish reef formed by stacking the underwater platforms in a sea surface direction. The multipurpose buoy according to claim 1, wherein the underwater platform includes a frame that forms an outer periphery and a grating portion that mounts equipment in the frame. The multipurpose buoy according to claim 5, wherein the frame of the subsea platform is made of an aluminum alloy. The size of the underwater platform can be varied by increasing or decreasing the number of straight pipes provided with flanges on a hollow cylindrical round pipe constituting a frame. 6. Multipurpose buoy according to item 6. The multipurpose buoy according to any one of claims 5 to 7, wherein the underwater platform can be combined with at least two of the underwater platforms in a horizontal direction with respect to a water surface.

Images