JPH0220251Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a float device, which includes an underframe configured to be foldable along a predetermined direction, a scaffolding board provided on the underframe, and structures at the four corners of the underframe. a fitting portion of the float material that has been fitted, a float material that is removably fitted to each of the fitting portions at the four corners, and a float material that protrudes along a predetermined direction of the underframe and straddles a lower part of the float material, By being equipped with removably arranged aggregates, we have created a float device that provides a large buoyancy to the scaffolding body, can stably support the scaffolding body, can be assembled, and has a simple structure and is highly movable. The purpose is to provide.

Conventional float devices, such as floating bodies installed at places where small boats arrive and depart, floating bridges, etc., have multiple drum tubes, tire tubes, etc. placed at the bottom of the scaffolding to obtain a predetermined buoyancy. .

Therefore, this type of floating structure and floating bridge can be said to have a relatively simple structure, but the drum tubes, tire tubes, etc. that are the float materials have considerable weight in themselves, so it is difficult to use them as a scaffolding structure. In order to obtain the desired buoyancy, it is necessary to prepare a considerable number of drum tubes, tire tubes, etc., and as a result, the entire floating structure, including the scaffolding, and floating bridge become extremely large. Assembly on land is very large-scale and heavy, so a large crane or retrieval vehicle is required to move and transport it, and movement on water is impossible without tugboats, etc. Therefore, for example, floating If a floating bridge is installed in a specific location, it can only be used as a floating bridge, and it is completely impossible to move the floating bridge to another location and use it as a cargo handling floating body or for multipurpose use as a fishing floating body. Various problems arose.

The present invention solves the above problems, and examples thereof will be described below.

FIGS. 1a and 1b are top and bottom perspective views showing an embodiment of a float device according to the present invention.

In the figure, 1 is a scaffolding body, and this scaffolding body 1 is composed of an underframe 2 and plates 3a, 3b stretched over the upper surface of this underframe 2, and this scaffolding body 1 is composed of the plates 3a, 3b.
The trowel is designed so that it can be folded exactly in half at the longitudinal center, which is the seam of the trowel. by the way,
In the underframe 2, the horizontal members 2a and 2b located below the seam of the plates 3a and 3b are also cut at the center so that they can be folded in half together with the plate members 3a and 3b. , 2b are joined at the time of unfolding, for example, by hooking a towline hook 4.
Further, the horizontal members 5a and 5b disposed approximately at the lower center of the plate bodies 3a and 3b are used as a single piece without being cut at the center like the horizontal members 2a and 2b, and both sides of the underframe 2 are cut. It can be detachably attached to the constituent vertical members using bolts 6.

7a and 7b are vertical members installed along the longitudinal direction of the lower surface of the underframe 2 so as to be flush with, for example, other cross members 2a and 2b.

Also, 8a, 8b, 8c, and 8d are float materials,
Each of these float materials 8a, 8b, 8c, and 8d, as shown in FIGS. 2a and 2b, is filled with a foam material such as styrene foam 9, and its outer periphery is watertightly covered with a synthetic resin sheet 10. These float members 8a, 8b, 8c, 8d are connected to the bottom corner portion 11 of the underframe 2, as shown in FIG.
a, 11b, 11c, and 11d. In addition, each of the above-mentioned float materials 8a, 8b, 8c, and 8d is attached to the underframe 2.
, two vertical members 7a and 7b arranged parallel to the vertical members 7a and 7b, and horizontal members 2a located in front and rear,
2b, 5a, 5b in the recessed portions of the corner portions 11a, 11b, 11c, 11d,
As shown in FIGS. 2a and 2b, since it is attached by press-fitting the upper surface, it can be easily removed by simply pulling it out.

In addition, each of the above float materials 8a, 8b, 8c, 8d
The lower corner portion of one end surface of is sloped 12a, 12b,
12c, 12d are finished, and when installing to the underframe 2, the slopes 12a, 12b, 12 are
The parts c and 12d are attached so that they are symmetrical in the front-back relationship.

Furthermore, as shown in FIG.
8b, aggregate 13a, float materials 8b, 8c
Aggregates 13b are attached across the floats 8a, 8b, 8c, and 8d to protect the floats 8a, 8b, 8c, and 8d from direct external force.

By the way, the underframe 2 of both the above-mentioned aggregates 13a and 13b
For installation, the perforated protrusions 14a, 14b formed at both ends of both aggregates 13a, 13b are fitted into recesses 15a, 15b bored in the abutting cross members 2a, 2b, and the cross members 2a, 2b are It is designed to be able to be attached and detached by rods 16a and 16b that are passed through in the longitudinal direction.

Further, a handrail 17 is erected on the periphery of the upper surface of the scaffold 1 to prevent personnel and cargo mounted on the scaffold 1 from falling.

By the way, the above-mentioned handrail 17 is provided with the lodging frames 17a, 1
7b and rotating frames 17c and 17d that rotate as shown by the arrows with the support at both ends of the lodging frame 17a as rotation axes.
It is foldable and rotatable with four frames.

The float device configured as described above includes a plurality of float members 8a, 8b, 8 at the bottom of the scaffolding body 1.
c, 8d are detachably attached, and aggregates 13a, 13b for protecting the float members 13a, 13b are attached to the lower part of the float members 8a, 8b, 8c, 8d, so it is easy to assemble and disassemble. Easy to work with.

For example, when moving (transporting) on land, the scaffolding body 1 can be folded in half at the center in the longitudinal direction, so when loading it on a truck etc.
It can be installed in a narrow space. In addition, when the scaffolding body 1 is folded, the handrail 17 erected on the upper surface is connected to the lodging frames 17 of the rotation frames 17c and 17d located in the front and rear.
The engagement on the b side is released, and the respective rotating frames 17c,
17d is folded around the pivot shafts at both ends of the other lodging frame 17a as shown by the arrows in FIG. 1 can be folded compactly. Moreover, since the scaffolding body 1 is folded together with the underframe 2 located on the lower surface, it is natural that the folding of the scaffolding body 1 is done together with the underframe 2 located on the lower surface.
That is, the cross members 2a and 2b, which constitute the short sides in the figure, are also folded in half at the joining position. Therefore, the towline hook 4 for joining the joint between the two cross members 2a and 2b is rotated and disengaged.

In addition, in the state where the scaffolding body 1 is folded into a small size as described above, assuming that the plate 3b side of the plate 1 side, for example, the plate 3b in FIG. 11b, 11c
The float members 8b and 8c inserted in are shown in Fig. 1b.
As shown, since the float is turned over with the aggregate 13b facing upward, assembly and disassembly of the float members 8b and 8c or assembly and disassembly of the aggregate 13b can be done extremely easily in the above-mentioned state. In particular, when loading the vehicle onto a truck on land, it goes without saying that it is preferable to disassemble the vehicle in view of the loading space. On the other hand, since it is only necessary to reverse the above relationship for the plate body 3a side, a detailed explanation of its assembly and disassembly will be omitted.

Next, to explain the assembly at the time when the float device is transported to the intended installation site, the scaffolding body 1 is folded in half as described above and lowered from a truck etc., and while it is folded,
As mentioned above, for example, the corner portion 11b on the plate body 3b side,
The float members 8b and 8c are attached to the float member 11c, and the aggregate 13b is attached across both of the float members 8b and 8c. The aggregate 13b is attached by fitting the perforated protrusion 14b formed at the end of the aggregate 13b into a recess 15b bored in the cross member 3b so as to make contact therewith, and then attaching it to the longitudinal center of the cross member 2b. The rod 16 is inserted into the through hole drilled along the
a, and insert this rod 16a into the above-mentioned perforated projection 1.
One end of the aggregate 13b is fixed by passing it through the hole 4b. The other end of the aggregate 13b is also fixed using the rod 16b, and the procedure is exactly the same as described above.

On the other hand, when the installation of the float materials 8b and 8c or the installation of the aggregate 13b on the plate body 3b is completed, next the float materials 8a and 8c on the plate body 3a side,
8d, the aggregate 13a is attached in the same manner as on the other side.

In this way, four pieces of float material 8a, 8b, 8c, 8d and two pieces of aggregate 1 are prepared for scaffolding body 1.
3a, 13b is completed, the scaffolding body 1 will be constructed as shown in FIG. Both plates 3a and 3b, which had been folded in half, are unfolded and maintain a horizontal state as shown in FIG. 1a.

Furthermore, in the state shown in FIG.
Corner parts 11a, 11 of a, 8b, 8c, 8d
b, 11c, and 11d are firmly fixed. At the same time, both the horizontal members 5a and 5b act to maintain the horizontal state of the scaffolding body 1 in the deployed state, so when the floating members 8a, 8b, 8c, and 8d are facing down and the water surface is in the state shown in FIG. Even if it is laid down (floated), it will not be folded up.

When the construction and assembly of the lower parts of the scaffold 1 are completed, the handrail 17 is then erected on the periphery of the upper surface of the scaffold 1. The procedure for erecting this handrail 17 is the reverse of the above-mentioned folding procedure, that is,
The lodging frame 17a is first erected, the front and rear rotating frames 17c and 17d are rotated, the other side of the lodging frame 17b is raised, and finally the free ends of the rotating frames 17c and 17d and both ends of the lodging frame 17b are connected. It is terminated by the engagement of .

Also, the towline hooks 4, 4 at the junction of the cross members 2a, 2b are engaged, and all assembly work for the float device is completed.

Furthermore, each of the float members 8a, 8b, 8c, and 8d is filled with foamed polystyrene 9 and its outer peripheral surface is covered with a sheet 10 made of synthetic resin.
Extremely large buoyancy is obtained, and each float member 8a, 8b, 8c, 8d is covered with a sheet 10 and a completely watertight structure is adopted, so the styrofoam 9
There is no water ingress, and it can withstand long-term use.

The foamed polystyrene 9 filled inside each of the float members 8a, 8b, 8c, and 8d provides high buoyancy but is brittle;
It has been sufficiently reinforced by holding and protecting it with a and 5b, so even if an unexpected external force is applied, it will maintain sufficient strength and stable buoyancy. be able to.

In addition, in the above embodiment, the scaffolding body 1 includes the plates 3a, 3b, the underframe 2, the aggregates 13a, 13b,
The material of the main components of the handrail 17 is not particularly limited, but for example, high-strength and lightweight wood, lightweight metal materials such as aluminum, and even hard synthetic resin materials are suitable as the above-mentioned components of the present invention. .

As described above, the float device according to the present invention includes an underframe configured to be foldable along a predetermined direction, a scaffold board provided on the underframe, and floats configured at the four corners of the underframe. a floating material that is removably fitted to each of the four corner fitting portions, and a float material that protrudes along a predetermined direction of the underframe and extends over a lower part of the float material, and is removably fitted to each of the four corner fitting portions. Because it is equipped with arranged aggregates, it is possible to obtain a float device with higher buoyancy than conventional floating bodies and floating bridges, etc. Moreover, since the structure is extremely simple, it is easy to assemble and disassemble, and each part is easy to assemble and disassemble. Since it is foldable and detachable, it takes up only a small amount of space and is convenient for transportation. Further, since the float material can be provided by covering Styrofoam with a sheet, it can be obtained at low cost, and the float device itself can be provided at low cost.

In addition, the float members are provided at the four corners of the underframe, and a cross-shaped groove is formed between them. Therefore, the float device of the present invention has good mobility in both the front and back and left and right directions. It is also highly stable. That is, for waves from the lateral direction, for example, for waves from the transverse direction in Figure 1a,
Between float members 8a and 8b and float member 8c
The stability is not impaired by the water in the groove between the floats 8a and 8d, and against waves in the longitudinal direction in FIG. In order to prevent stability from being compromised by water in the grooves between the floats, this float device is protected against waves by the almost cross-shaped grooves formed by the float material provided at the bottom of the float device. It is configured to be highly secure.

Furthermore, since the aggregate is disposed at the bottom of the float material astride the float material, this aggregate plays the role of a keel, not only fixing the float material but also improving the stability of the float device. Improves mobility (directionality).

For transportation, it can of course be towed, but if a propulsion device such as an outboard motor is used, it is possible to add self-propulsion capability.For example, it can be used as a float device for transporting cargo, and it can also be used as a float device for fishing spots. It has various excellent features such as being able to be used for extremely versatile purposes.

[Brief explanation of the drawing]

1A and 1B are perspective views showing an embodiment of the float device according to this invention, and FIGS. 2A and 2B are sectional views taken along lines aa and bb of FIG. 1. 1...Scaffolding body, 2...Underframe, 3a, 3b...Plate body, 8a, 8b, 8c, 8d...Float material.

Claims (1)

[Scope of utility model registration request] An underframe configured to be foldable along a predetermined direction, a scaffold board provided on this underframe, fitting portions of float materials configured at four corners of the underframe, and fittings at these four corners. The float member is removably fitted to each part, and aggregate is removably disposed along a predetermined direction of the underframe and protrudes across the lower part of the float member. Features a float device.