JP2875215B2 - Temporary protective fence foundation - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temporary protection fence foundation applied to a temporary protection fence temporarily provided on a road or the like.

[0002]

2. Description of the Related Art The applicant has previously proposed a base for a temporary protective fence shown in Japanese Utility Model Laid-Open No. 7-2521. This means that a pillar hole forming pipe 3 is erected inside a metal hollow base 2 and the hollow base 2
The hollow portion 16 is filled with a metal piece 15, the column 4 is inserted into and removed from the column hole forming pipe 3 in the vertical direction, and the column 4 is detachably attached to the column hole forming pipe 3 with the mounting members 11, 12, 13 and the like. It becomes. With this structure, the temporary protective fence can be disassembled, the volume of the base of the protective fence is reduced and the structure is compact, the installation space for the temporary protective fence is reduced, stackable, and easy to store and transport, In addition, it can be provisionally repeated any number of times.

However, various improvements have been made in the course of performing a large number of constructions of the prior art. That is,
In places where automobiles are likely to collide, the temporary guard fence bases must be densely spaced to some extent to reduce the distance between them.However, since the temporary guard fence bases are discontinuous, There was a need to improve the workability of installation and removal, and the resistance of cars to collision energy. In addition, since a gap is inevitably created between the conventional temporary protection fence bases, if work is being performed outside the guardrail, there is a possibility that something will jump out to the road side with a good momentum,
In this case, it may be necessary to separately perform shielding work. Furthermore, even though the base for temporary protective fences can be made smaller, there is a limit to temporary installation in a narrow space where depth space is limited because the installation space must have a certain depth for safety reasons. Was. This is because the above-described prior art sets a relatively low height compared to the width and the depth in order to ensure a low center of gravity, so that it is necessary to ensure a certain depth.

[0004]

SUMMARY OF THE INVENTION Accordingly, the inventions according to claims 1 to 4 provide high resistance to the collision energy of an automobile, can be installed even in a place where the temporary protection fence has a limited temporary space, and can be shielded. It is an object to enhance the performance.

[0005]

SUMMARY OF THE INVENTION In view of the above-mentioned problems, the invention according to claim 1 has been made, and a plurality of pillar hole forming bodies whose pillars can be inserted and removed in the vertical direction are formed in a rectangular and long shape. Standing inside the metal hollow base of
Parts are erected inside both ends of the hollow base, and
The connecting member to the adult removably insertable and is made by filling a metal piece in the hollow portion of the hollow base, provided a mounting member for mounting the strut removably to the post holes forming body, wherein Multiple anchors smaller in diameter than the support
Kerr hole forming body, the hollow between the pillar hole forming body
The plurality of anchor hole forming bodies are erected inside the base.
The anchor longer than the height of the metal hollow base
It is a temporary protection fence base that can be inserted and removed in the downward direction . This connects the pillar hole forming body
There is no need to provide a special connection structure that can also serve as a member insertion hole.
Also, connect the rectangular and long metal hollow bases to each other.
If it is not necessary to use it as a support hole
Thus, the degree of freedom in arranging the long metal hollow base is increased. Ma
Also, the rectangular and long metal hollow bases can be freely connected to each other.
By being, in pairs collision energy of an automobile can give high resistance, yet so anchor Shinau
The resistance is further increased. Also long
From it is, as possible out is possible to enhance the shielding effect. Further
The depth of the long metal hollow base relative to the height.
By making the distance narrower, it can be applied to a narrow place where the depth is limited.

In view of the above-mentioned problems, the invention according to claim 2 has been made, and a plurality of pillar holes into which pillars can be vertically inserted and removed are provided inside a rectangular and long metal base. Set up
Place the support hole forming body at least inside both ends of the base.
The support member is erected, and a connecting member can be inserted into the support hole forming body , and a bolt mounting hole for detachably mounting the support on the base is arranged in a lateral direction, and has a smaller diameter than the support hole forming body.
A plurality of anchor holes formed body that is in, the post holes forming
Standing inside the base between the bodies, the plurality of
In the anchor hole forming body, than the height of the metal hollow base
It is a temporary guard fence foundation characterized in that a long anchor can be inserted and removed vertically . Thus, in addition to solving the same problem as the first aspect of the present invention, the base can be made compact because it is a solid base.

According to a third aspect of the present invention, the height of the base is
The width is substantially the same, and along the longitudinal direction of the base
In the center of the base, the support hole forming body and the anchor
The temporary protection fence base according to claim 1 or 2, wherein the hole forming bodies are alternately arranged . As a result, in places where the depth is limited
Can be installed, and the operation of driving the anchor can be simplified.

According to a fourth aspect of the present invention, the connecting member has a U-shape.
The temporary protection fence base according to any one of claims 1 to 3, wherein the temporary protection fence base is formed of a short pipe having a character shape . As a result, the connection between the temporary protection fences is simplified.
The structure is realized, and the attaching / detaching operation is facilitated .

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, preferred embodiments will be described with reference to the drawings to further clarify the present invention. Iron temporary protection fence foundation 2 (hereinafter also referred to as iron block) which is a characteristic component of the temporary protection fence 1 according to the present embodiment.
Is a rectangular parallelepiped iron hollow base, as shown in FIGS. 1 and 2, and has a structure that can be stacked.
Weight is 2 tons, size is W400mm x L3980mm
× H 400 mm. Temporary protective fence foundation 2
Has a long rectangular box body 3 whose upper part is open, and a rubber mat 4 is adhered to a back bottom surface 3a (see FIG. 3). As a result, along with protection of the road surface, an improvement in the coefficient of friction between the road surface and the protective fence foundation is ensured, and the adhesion is increased, thereby significantly improving the safety. Also,
Four cylindrical pillar hole forming pipes 5a to 5d are connected to the bottom surface 3b of the box body 3 by welding and stand upright. FIG.
As shown in the figure, bolt mounting holes 6a and 6b are formed at the middle height of these support hole forming pipes 5a to 5d.
Round holes 6c and 6d are arranged in a straight line in the diameter direction of the support hole forming pipes 5a to 5d. In addition, a steel guide tube 6e is welded to the side wall 3d and the pillar hole forming pipes 5a to 5d to form bolt mounting holes 6a, 6b, 6c, 6d (FIG. 3).
(See below) . Therefore, the bolt 6f is inserted into the guide tube 6e from the lateral direction, and the bolt 6f is
g (see FIG. 3) so that complicated positioning is not required.

Also, as shown in FIG. 1, four anchor hole forming pipes 7a to 7d are welded to the bottom surface 3b of the box body 3 so as to be erected, and as shown in FIG.
Can be penetrated in the vertical direction, four per temporary protective fence foundation 2. This significantly improves the adhesion to road surfaces, safety, and workability. In addition,
The shape of the anchor 8 is not limited to the illustrated one, and various types can be applied. For example, an anchor having an upper end portion formed in a hook shape and functioning as a stopper can be applied. It is not limited to the illustrated one. As shown in FIG. 3, the hollow portion 3c of the box 3 is filled with an iron piece 9, thereby increasing the resistance of the automobile to collision energy and effectively utilizing iron scraps. It is. For example, the iron piece 9 is obtained by punching an iron scrap plate into an oval shape. Further, as shown in FIG. 1, since a plurality of lid support pipes 10 are provided upright inside the box 3, the lid 11 is covered from above the box 3 and appropriate fixing means such as welding, bolts, nuts, etc. And the iron piece 9 is hermetically sealed. The lid 11
Are provided with round pillar holes 12a to 12d corresponding to the positions and sizes of the pillar hole forming pipes 5a to 5d. These support hole forming pipes 5a to 5d and support hole 12
a to 12d constitute the pillar hole forming body. The lid 11 has a round, small-diameter anchor hole 13a that matches the position and size of the anchor hole forming pipes 7a to 7d.
To 13d are provided. The anchor hole forming pipes 7a to 7d and the anchor holes 13a to 13d constitute an anchor hole forming body. As shown in FIG. 1, a plurality of notches 15 are provided in a lower portion of the temporary protection fence base 2, and a hook hole 17 is provided in a side wall 3 d of the temporary protection fence foundation 2. And the finishing of the temporary protection fence foundation 2 is made possible by the surface treatment by shot blasting and it can be recycled.
In addition, as a rust prevention measure, a base is formed with a special epoxy resin,
Finally, it is colored green with paint. This improves safety (visibility) and landscape. Also,
For more reliable gaze guidance, a high-intensity reflective tape (diamond grade sheet) 19 is attached to the temporary protection fence foundation 2.

The guardrail support 20 shown in FIGS. 5 (a) and 5 (b) is an example. The guardrail support 20 has a tubular shape with its top closed, and the guardrail support 20 has a vertical oval shape through which a bolt 6f can be inserted. Are provided so as to oppose each other in the diameter direction. One of the vertically long holes 22 has a shape in which the circles are provided so as to partially overlap with each other in order to facilitate the work of adjusting the mounting position. Vertical hole 21,
Mounting holes 23 and 24 for mounting the guardrail 30 (see FIG. 4) are provided in the upper part of the base 22. In addition,
The temporary protection fence foundation 2 is integrally formed in the manufacturing process,
This eliminates the need for assembly work at the construction site. In addition, the vertically long hole 21 can also have the same shape as the vertically long hole 22, and can be a simple round hole such as the mounting holes 23 and 24 instead of the vertically long holes 21 and 22. Naturally, various supports can be applied.

Next, a temporary procedure of the temporary protection fence 1 will be described. A hanging bracket is hung in the hanging hole 17 of the temporary protection fence foundation 2 shown in FIG. 1 and is lifted by a crane and installed at a desired position on the side of a road. If necessary, a tool is inserted into the notch 15 to finely adjust the position. As shown in FIG. 4, the guardrail support 20 is inserted and fixed to the inner two support hole forming pipes 5b and 5c of the four, and the remaining two support hole forming pipes 5a and 5d are connected to the guardrail support 20. As shown in FIGS. 6A and 6B, a pipe-shaped U-shaped connecting member 50 is inserted. Here, since the other components of FIGS. 6A and 6B have already been described, the part numbers are described only in the drawings and the description in the specification is omitted. Also, here, the support hole forming pipes 5a to
The guardrail support 20 can be fixed to all of the 5d, which is a matter of choice. As shown in FIG. 3, guardrail posts 20 are vertically insertable into and removable from the post hole forming pipes 5 a to 5 d.
The case where the guardrail support 20 is inserted into the position b will be described. The bolt 6f is inserted into the guide tube 6e from the bolt mounting hole 6c , penetrates the elongated holes 21 and 22 of the guardrail column 20, and the bolt mounting holes 6a, 6b, 6c and 6d , and is fixed with the nut 6g. Next, a guard rail mounting bolt 27 is horizontally inserted into the guard rail support 20 via a bracket 25, and an end of the guard rail mounting bolt 27 is fastened and fixed with a nut 29.
0 is fixed to the guardrail support 20. The guardrails 30 are also fixed to each other with bolts 37 and nuts 39. Thus, the installation is performed as shown in FIG. Next, FIG.
As shown in, attaching one solar flasher 47 per 20m of guardrail 30, for convenience of night driving the vehicle. Here, since the other components of FIG. 7 have already been described, the part numbers are described only in the drawings and the description in the specification is omitted. Although FIG. 4 shows an example in which the guardrails 30 are provided on both sides of the guardrail support 20, it is obvious that the guardrails 30 may be provided on one side of the guardrail support 20. Further, as shown in FIG.
Short rectangular protective fence foundation 8 of rectangular parallelepiped shape described in the prior art 8
It is also possible to install the temporary protection fence foundation 2 according to the present embodiment in combination with the temporary protection fence foundation 2 according to the present embodiment, thereby enabling temporary installation corresponding to the installation environment and further increasing the freedom of installation. . The temporary protection fence foundation 2 is removed in the reverse order.

The temporary protection fence foundation 200 shown in FIG. 9 is a modified example of the temporary protection fence foundation 2 of the above embodiment. Instead of filling the hollow portion 3c with the iron piece 9, the temporary protection fence foundation 200 is integrated with a mold at high density. This is a modified structure. This simplifies the manufacturing process, simplifies the installation work, and further reduces the volume of the base by further increasing the specific gravity. The description of the components of the above embodiment will be omitted as the numbers obtained by adding the 200th to the components of the temporary protection fence foundation 2. As described above, the temporary protection fence foundation 2 can provide high resistance to the collision energy of the vehicle, can be installed even in a place where the temporary protection fence foundation 2 has a limited temporary space, and can further enhance the shielding performance. It becomes.

Although the present embodiment has been described above, the present invention is not limited to this, and can be implemented in various modes. As an example, the guardrail support 20 is fixed to the temporary protection fence foundation 2 with bolts 6f, nuts 6g, and the like. The end of 6e has a closed structure and can be fixed by driving a fixing pin in place of the bolt 6f and the nut 6g. For example, it is fixed by another mechanical structure such as fitting or engaging. It is also possible. Also, the guardrail support 20 is
It is merely shown as an example, and other forms are naturally possible, such as a structure in which the top is opened so that a blind net support or the like can be inserted and fixed. In this case, the reason why the top of the guardrail support is open is that a blind net support fixture is disposed inside the guardrail support to effectively utilize the inside of the guardrail support. Furthermore, the temporary protection fence foundation 2 is made of steel,
The metal is not limited thereto, and may be any metal that can be used as a temporary protective fence.

[0015]

According to the first to fourth aspects of the present invention, high resistance to the collision energy of an automobile is provided.
It can be installed in places where there is a limit to the temporary space for temporary protection fences to increase the shielding performance.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a temporary protection fence foundation of the present embodiment.

FIG. 2 is a perspective view of a temporary protection fence foundation of the present embodiment.

FIG. 3 is a partial vertical sectional view of an example of installation of a temporary protection fence foundation of the present embodiment.

FIG. 4 is a front view of the same.

FIG. 5A is a perspective view of a guardrail support of the present embodiment, and FIG. 5B is a perspective view of the guardrail support viewed from the opposite side.

FIG. 6A is a front view of a connection member of the temporary protection fence foundation, and FIG. 6B is a plan view showing a connection example of the temporary protection fence foundation.

FIG. 7 is a plan view of another installation example of the temporary protection fence foundation.

FIG. 8 is a perspective view of yet another different installation example of the temporary protection fence foundation.

FIG. 9 is a partial longitudinal sectional view of an installation example of another configuration example of the temporary protection fence foundation.

[Explanation of symbols]

 1 Temporary protective fence 2 Temporary protective fence foundation 3 Box 4 Rubber mat 5a to 5d Pipe for forming support hole 6a, 6b ... Bolt mounting Holes 7a to 7d ··· Anchor hole forming pipe 8 ··· Anchor 9 ··· Iron piece 10 ··· Lid support pipe 12a to 12d ··· Support hole 13a to 13d ··· Anchor hole

Claims (4)

(57) [Claims] 1. A plurality of pillar hole forming bodies whose pillars can be inserted and removed in a vertical direction are erected inside a rectangular and long metal hollow base, and a part of the pillar hole forming bodies is provided. Of both ends of the hollow base
Standing inside, the connecting member can be inserted into and removed from the pillar hole forming body
Insertable and then, the result by filling a metal piece in the hollow portion of the hollow base, a mounting member for mounting the strut removably to the post holes forming body provided, is smaller in diameter than the post holes forming body Multiple anchors
The hollow base between the support hole forming body and the hole forming body.
Being set up inside, the plurality of anchor hole forming bodies,
Anchor longer than the height of the metal hollow base
Temporary protective fence foundation characterized by being detachable in the direction . 2. A method according to claim 1, wherein a plurality of support holes, in which the support columns are vertically insertable and removable , are erected inside a rectangular and long metal base.
Erect hole forming bodies at least inside both ends of the base
A connecting member can be inserted into the support hole forming body , and a bolt mounting hole for detachably mounting the support on the base is provided in the lateral direction, so that a diameter of the bolt mounting hole is smaller than that of the support hole forming body.
The plurality of anchor hole forming bodies,
The plurality of anchors are erected inside the base between them.
In the car hole forming body, longer than the height of the metal hollow base
Temporary protective fence foundation characterized in that the anchor can be inserted and removed vertically . 3. The height and width of the base are substantially the same.
Along the longitudinal direction of the base, at the center of the base,
The pillar hole forming bodies and the anchor hole forming bodies are alternately arranged.
Temporary safety barrier foundation according to claim 1 or 2, characterized in that formed by location. 4. The connecting member is a U-shaped short pipe.
Temporary safety barrier foundation according to any one of claims 1 to 3, wherein Rukoto.