JP5977097B2 - Simple protective fence - Google Patents

Description

  The present invention mainly relates to a temporary protective fence that can be used as a temporary protective fence for a small-scale rock fall, a protective fence for an animal that prevents invasion of animals, and other safety measures.

  Guard fences used for temporary rockfall protection and animal protection measures are often installed on the mountainside, and in places where there are many standing trees, a rope is stretched instead of a standing tree as a support, and a net is attached to the rope. There is a case to build a protective fence.

On the other hand, at a site where there is no substitute for a column, it is necessary to prepare a column and transport it to the site.
The fence for animal protection described in the following Patent Document 1 is one in which a strip is horizontally suspended between struts standing at intervals and a net is suspended in a relaxed state in the longitudinal direction of the strip. .

JP 2008-306940 A

However, the above-described prior art has at least one of the following problems.
(1) In order to securely support the support column, it is necessary to secure an extra length for inserting the support column into the ground. As the length of the column becomes longer, the work efficiency becomes worse because the handling and handling at the site become troublesome and the weight of the column itself is unavoidably increased.
(2) At sites where it is difficult to transport with heavy equipment such as steep slopes, it is necessary to rely on human power for the transportation and construction work of the pillars, so much more labor is spent.
(3) Since struts, strips, and nets are separate members, it is necessary to perform stand-up work, straddle horizontal work, and net suspension work separately when building on-site. There is still room for improvement in the efficiency of the installation work of the protective fence.

  That is, an object of the present invention is to provide a simple protective fence excellent in transportability and workability.

The present invention made to solve the above-mentioned problems is a net that forms a protective surface, two struts that are inserted into the meshes on both side edges of the net, and a mesh that is inserted into the upper edge of the net, A height adjusting rope having both ends attached between the upper portions of the two struts, a fixing wire which is inserted into a mesh at the lower edge of the net and both ends are attached between the lower portions of the two struts, is installed on the ground, Bei lower end plugged write Marete struts of the strut Ru is positioning, and the support fixture, and placed directly above the post fitting, and a strut retainer for positioning the upper end of the strut Further, the present invention provides a simple protective fence characterized in that the net can be wound around the two struts .
Moreover, in the said invention, the other end of the said fixed wire is connected to the wire support installed in the ground of the position spaced apart from the said support | pillar fixture.
Further, in the invention, before Ki支 column retainer is secured to the clamp, bolt, or existing structures through either one fastener anchor pin.
Moreover, in the said invention, the reflective rope is laid across the said net | network .

According to the present invention, at least one of the following effects can be obtained.
(1) Since the length of the support can be minimized, the handling property is good. (2) Since the weight of the support can be reduced, it contributes to cost reduction.
(3) Since the strut, the rope and the net are integrated, the transportability is excellent and the workability on site is also good.
(4) The net span can be easily adjusted.
(5) As described above, since it has a simple structure, is low-cost and lightweight, and has a simple installation method that does not require specialized knowledge, it does not require any use, installation location, or operator.

The schematic perspective view which shows the Example of the simple type protection fence of this invention. The partial enlarged view which shows the support | pillar attachment vicinity which concerns on FIG. The partially expanded view which shows the wire fixing tool vicinity which concerns on FIG. The partially expanded view which shows the support | pillar pressing tool vicinity which concerns on FIG. The schematic perspective view which shows the conveyance example of the simple type protective fence of this invention.

  Hereinafter, embodiments of the simplified guard fence of the present invention will be described with reference to the drawings.

<1> Overall Configuration The simplified protective fence A of the present invention includes a net 1 that forms a protective surface, a pair of struts 2 that are inserted in meshes on both sides of the net 1, and the struts that are installed on the ground. And a support fixture 3 for positioning the support by inserting the lower end of the support (FIG. 1).
Hereinafter, each member will be described.

<2> Net The net 1 is a member for forming a protective surface for receiving a falling rock or blocking an invasion of an animal.
The material of the net 1 may be a known material that satisfies various conditions such as material and strength according to uses such as rock fall protection and beast protection.

<3> Column The column 2 is a member for supporting the net 1.

[Stand material]
The material of the support column 2 may be a known material that satisfies various conditions such as material and strength according to uses such as rock fall protection and beast protection, and may be made of steel or FRP, for example.

[Bottom end processing of struts]
The lower end of the support column 2 needs to be processed so that it can be attached to the support fixture 3 described later. In this embodiment, at least the lower end portion of the support column 2 is formed hollow, but it is sufficient if the entire support column 2 is a tubular member (FIG. 2).

<4> Post support fixture The support fixture 3 is a member for supporting the support post 2.

[Installation mode of support fixture]
The support fixture 3 is fixed to an installation surface B such as a ground surface or a wall surface of a structure by a known fixing method such as a clamp, a bolt, or an anchor.

[Relationship between support fixture and support]
The support fixture 3 needs to be treated so that it can be attached to the support 2. In the present embodiment, a protruding portion 31 that can be inserted into a hollow portion provided at the lower end of the support column 2 is provided (FIG. 2).
The protruding portion 31 may be provided by joining or assembling another member, or an exposed portion of an anchor pin for fixing the column attachment 3 to the ground may be used as the protruding portion 31 (see FIG. Not shown).

<5> Fixing wire and wire fixing tool The fixing wire 4 and the wire fixing tool 3 are members for reliably positioning the net 1 existing between the columns 2.

[Fixed wire]
The fixed wire 4 is inserted into the mesh at the lower edge of the net 1 and exposed from both side edges of the net 1 in the longitudinal direction (lateral direction) of the net 1.

[Wire fixture]
The wire fixing tool 5 is an installation surface B such as a ground surface or a wall surface of a structure, and is fixed by a known fixing method such as a clamp, a bolt, or an anchor pin at a position slightly away from the column mounting tool ( Not shown).
Further, the wire fixing tool 5 is provided with a latching portion 51 for passing the fixing wire 4 (FIG. 3).

[Fixing wire positioning]
The fixed wire 4 exposed from the both side edges of the net is folded back by the latching portion 51 through the support 2 and is fastened with a wire clip 52 or the like on the way (FIG. 3).
If it is set as the above structure, the net | network 1 can be positioned reliably by pulling and fixing the fixed wire 4 from the both-sides edge side of the net | network 1. FIG.
In addition, since the wire fixing tool 5 is provided at a position slightly away from the support fixture 3, the tip of the fixing wire 4, the wire clip 52 and the like interfere with the net 1 and cause damage to the net 1. There is no.

  Although not shown, the present invention may be configured such that one end of the fixing wire 4 is fixed to the support column 2 and the other end is fastened by the wire fixing tool 5 described above.

<6> Strut presser The post presser 6 is a member for auxiliary positioning of the support 2 separately from the support fixture 3 described above.

[Installation mode of prop holder]
The column retainer 6 is an installation surface B such as a wall surface of a structure, and is disposed at a position just above the column attachment 3 (FIG. 4), and is fixed by a known fixing method such as a clamp, a bolt, or an anchor pin. (Not shown).

[Relationship between prop holder and prop]
The support holder 6 is provided with an insertion hole 61 corresponding to the outer shape of the support 2, and the head of the support 2 is inserted into the insertion hole 61 and positioned (FIG. 4).
The opposing distance between the support post 6 and the support fixture 3 is made shorter than the length of the support 2. In this way, first, the head of the column 2 is inserted into the insertion hole 61 of the column holder 6, and the column 2 is lowered so that the protrusion 31 of the column attachment 3 is inserted into the lower end of the column 2. 2 can be supported and positioned at two points near the upper end and near the lower end (FIG. 1).
Moreover, the said structure has easy removal | desorption of a support | pillar, and construction and removal of the simple type protection fence A are easy.

<7> Height Adjustment Rope The height adjustment rope 7 is a member for adjusting the height of the net 1.
The height adjusting rope 7 is inserted through the mesh at the upper edge of the net 1 and the height of the net 1 is adjusted by moving the height adjusting rope 7 up and down. Both ends of the height adjustment rope 7 may be tied to the support column, or may be fixed to the support column 2 after the height adjustment.

<8> Others In the present invention, the reflection rope 8 may be laid on the net for avoiding animals and calling attention to humans.

<9> Construction method The construction method of the simple type protective fence of this invention is demonstrated.
When transporting the simple type protective fence A to the site, the net 1 is wound around the support column 2 to make it look like a scroll (FIG. 5) and transported together with the various jigs described above.
After arrival at the site, the above-mentioned various jigs are installed first.
Next, one column 2 is attached to various jigs and positioned, the other column 2 is unwound and unfolded while being unwound, and the other column 2 is attached to various jigs and positioned.
Finally, while pulling one end or both ends of the fixing wire 4, the fixing wire 4 is fastened with a wire clip 52 or the like via the support 2 and the wire fixing tool 5.
A protective fence is constructed by the above process.

  In addition, each process of an above-described construction method does not limit the construction procedure of the simple type protection fence which concerns on this invention, You may replace a process suitably in the possible range.

DESCRIPTION OF SYMBOLS 1 Net 2 Support | pillar 3 Support fixture 4 Fixing wire 5 Wire fixing tool 6 Support holder 7 Height adjustment rope 8 Reflective rope A Simple protection fence B Installation surface

Claims (4)

A net that forms a protective surface;
Is inserted through the meshes of both side edges of said net, and two posts,
A height adjusting rope inserted through the mesh at the upper edge of the net and having both ends attached between the upper portions of the two struts;
A fixed wire that is inserted into the mesh at the lower edge of the net and attached at both ends between the lower portions of the two struts;
Is installed on the ground, the lower end is pointed write Marete struts of the strut Ru is positioning, and the support fixture,
Disposed directly above the post fitting, Bei example a strut retainer for positioning the upper end of said post,
The net is configured to be wound around the two support columns ,
Simple protective fence. The simplified guard fence according to claim 1, wherein the other end of the fixed wire is connected to a wire support installed on the ground at a position spaced apart from the support fixture. Wherein the pre Ki支 column retainer is secured to the existing structure through either one of the fixture of the clamp, bolt or anchor pin, simplified safety barriers according to claim 1. The simplified protection fence according to claim 1, wherein a reflection rope is horizontally mounted on the net .

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