JP3106390U - Avalanche prevention fence - Google Patents

Abstract

An avalanche prevention fence that can reduce production costs because it has a small number of members, requires no skill in assembly, has excellent disaster prevention performance and durability, and can harmonize with natural scenery. I will provide a.
A pair of struts 1, 1 standing upright on a ground is composed of a strut body 2 made of H-shaped steel and a wooden strut cover 4. The wooden support cover 4 is formed in a semi-cylindrical body having a convex curved surface 4A on the front surface and a flat surface on the rear surface. A plurality of beam members are installed between the columns 1 and 1. Each beam 1 is composed of a beam main body made of a steel pipe and a wooden beam cover 8 to be inserted into the beam main body. The wooden beam cover 8 is composed of an inner cover portion 8A that is positioned between the columns 1 and 1 and is inserted into the beam body, and a pair of outer cover portions 8B that are positioned outside the column 1 and are inserted into the beam body. It is.
[Selection] Figure 3

Description

  The present invention relates to an avalanche prevention fence that is installed on an inclined land in a snowfall area to prevent an avalanche.

A conventional avalanche prevention fence is constructed by laying a plurality of beam members between columns made of a pair of logs and fastening them with bolts and nuts. Further, the beam 1 and the column 2 are surrounded by a wooden column cover 11 and a wooden beam cover 12 composed of a plurality of wooden cover members 11a, b,... 12a, b,. A snow guard is disclosed in which a landscape is improved by tightening with fastening members 21 and 22 (Patent Document 1).
Japanese Utility Model Publication No. 5-61213

  Among the above-described prior arts, those configured by using wood for the columns and beams have the disadvantage of being inferior in strength, that is, disaster prevention performance and durability. Moreover, the thing of the structure which surrounds the beam 1 and the support | pillar 2 with the several wooden cover members 11a and 12a has a fault that there are many member points in order to assemble a plurality of board materials, and it is inferior to workability and productivity, Since it is a collection of board materials, there is a drawback that it has a woody texture but is not natural.

  The present invention has been made in view of the above-mentioned disadvantages of the prior art. Since the number of members is small, the production cost can be reduced, the skill of assembly is not required, and disaster prevention performance and durability are excellent. The purpose is to provide an avalanche prevention fence that can contribute to the improvement of the landscape.

  The means of the present invention configured to solve the above-described problem is an avalanche prevention fence comprising a pair of support columns erected on the ground at predetermined intervals and a plurality of beam members installed between the pair of support columns. The strut is composed of a metal strut body and a wooden strut cover attached to the front surface of the strut body, and each of the plurality of beams is made of a metal cylinder, and the strut body And a cylindrical wooden beam cover to be inserted into the beam main body.

  And, the wooden column cover is formed in a semi-cylindrical body having a convex curved surface on the front surface and a flat surface on the rear surface, and the convex curved surface is provided on the front surface of the column main body facing forward. Good.

  Further, the wooden beam cover is composed of a hollow wooden cylinder that is open at both ends in the axial direction, and is composed of an inner beam cover material that is positioned between the pair of columns and is inserted into the beam body, and a wooden cylinder, It is good to comprise from the outer side beam cover material which is located in the outer side of each support | pillar, and is inserted in the axial end side of this beam main body.

  Further, the column main body and the beam main body may be subjected to rust prevention treatment.

  Further, the wooden support cover and the wooden beam cover may be subjected to antiseptic treatment.

Since the present invention is configured as described above, the following effects can be obtained.
(1) The strut is composed of a metal strut body and a wooden strut cover attached to the front surface of the strut body, and the beam material is a beam body composed of a metal cylinder and a wooden beam cover to be inserted into the beam body. It is composed of the structure, and the main body of the column and the main body of the beam are directly connected by the fastening member, so it has excellent disaster prevention performance and durability, and avalanches that do not damage the woody landscape with simple insertion work Prevent fences can be made.
(2) The wooden support cover is formed in a semi-cylindrical body having a convex curved surface on the front surface and a flat rear surface, and is provided on the front surface of the support column body with the convex curved surface facing forward. The pillars can be seen in the shape of a log, creating an avalanche fence that harmonizes with the surrounding natural landscape.
(3) The wooden beam cover is composed of an inner beam cover material that is positioned between a pair of columns and is inserted into the beam main body, and an outer beam cover material that is inserted into the shaft end side of the beam main body. Since the connecting part of the beam body to be connected is exposed and the column body and beam body can be directly connected by the fastening member, it is excellent in assembling workability and should be connected more firmly. Can do.
(4) By applying a rust-proofing treatment to the column main body and the beam main body, it can be used as an avalanche prevention fence with excellent durability, and the maintenance burden can be reduced.
(5) By applying antiseptic treatment and weather resistance coating to the wooden support cover and wooden beam cover, it can be used as an avalanche prevention fence with excellent durability, and the burden of maintenance can be reduced.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the figure, reference numerals 1 and 1 denote a pair of struts erected on the ground A at a predetermined interval. Reference numeral 2 denotes a column body constituting each column 1, and the column body 2 includes a pair of front and rear opposing pieces 2A and 2B, and a connecting piece 2C connecting the pair of opposing pieces 2A and 2B. H-type steel material is used, and the surface of the column main body 2 is subjected to rust prevention treatment. The column main body 2 has a base plate 3 fixed to the lower end thereof by welding means and is reinforced by a support 3A made of steel, so that the column main body 2 can be firmly and stably installed on the ground A.

  Reference numeral 4 denotes a wooden support cover that covers the front surface of the support body 2. The wooden support cover 4 is formed, for example, by forming a thin cylindrical lumber from a thin timber into a semi-cylindrical body. The surface forms a convex curved surface 4A, and the back surface joined to the support main body 2 is a flat surface 4B. The wooden support cover 4 has a flat surface 4B in contact with the front facing piece 2A of the support body 2 and is fastened with bolts, nuts 5, 5,... The support post 1 is a rounded log from the front. It can be seen like a support.

  6, 6,... Show seven beam members laid between the pair of struts 1, 1 having the above-described configuration with an appropriate space above and below, and each of the beam members 6 includes The length is set longer than the distance between the pair of struts 1 and 1. Reference numeral 7 denotes a beam main body constituting each beam member 6. The beam main body 7 is formed by subjecting a hollow steel pipe to rust prevention treatment. Reference numeral 8 denotes a wooden beam cover made of an eyelash material to be inserted into the beam main body 7, and the wooden beam cover 8 is positioned between the pair of pillars 1, 1 and an inner cover portion 8 A to be inserted into the beam main body 7. , And a pair of left and right outer cover portions 8B, 8B that are inserted into both ends 7A, 7A in the axial direction of the beam body 7, and the bolts 9, 9,. It is fixed by.

  Here, the inner cover portion 8A has both ends in the axial direction opened by cutting a round log of the eyelash material substantially the same as the distance between the pair of support columns 1 and 1 and hollowing out the center according to the outer diameter of the beam body 7. It is molded into a cylindrical body. The outer cover portion 8B is formed by cutting a log material substantially the same as the length of the beam body 7 protruding outward from the support column 1 and hollowing out the center in accordance with the outer diameter of the beam body 7 except for one end side in the axial direction. Thus, a bottomed cylindrical body whose one end is closed is formed. Thus, the total length of the wooden beam cover 8 is set to be shorter than the total length of the beam main body 7, and a part of the beam main body 7 is exposed at the portion joined to the support column 1.

  Each beam member 6 has the above-described configuration, and the exposed portion of the beam body 7 is fastened to the rear facing piece 2B of the column body 2 in a cross shape using a U bolt / nut 10 and a bolt / nut 11. It is. The wooden beam cover 8 and the wooden column cover 4 constituting the beam material 6 are subjected to antiseptic processing and weather resistance coating treatment before being inserted into the beam main body 7.

  In the figure, reference numerals 12 and 12 denote bracing rods for reinforcement, which are crossed and stretched between a pair of support pillars 1 and 1. Each brace rod 12 has its end fitting 12A attached to the support pillar 1 by bolts and nuts 13 and 13. It is connected. Further, 14, 14, 15, and 15 are upper and lower subwire ropes for fixing the support columns 1 and 1 to the ground A. The subwire ropes 14 and 15 are welded to the upper and lower end sides of the support column 1, respectively. It is connected to a bracket 16 fixed by means, and the rear end side is connected to a main wire rope through a shirtle (not shown).

  The avalanche prevention fence which concerns on this Embodiment consists of the above-mentioned structure, and the installation place and the installation method do not have a place substantially different from the conventional avalanche prevention fence. However, the pillar 1 constituting the avalanche prevention fence is connected to the pillar body 2 using an H-shaped steel material, and the beam member 6 is connected to a cylindrical steel pipe as a beam body 7, so that it has excellent disaster prevention performance and durability. It can also be easily assembled on site. In addition, since the front surface of the column main body 2 is covered with the wooden column cover 4 and the beam main body 7 is covered with the wooden beam cover 8, it is possible to harmonize with the natural scenery. Moreover, it has the effect of preventing the corrosion of the beam body 7, and can prevent the column body 2 and the beam body 7 from being damaged from the outside causing rusting.

  In the present embodiment, thin wood timber is used for the wooden support cover 4 and the wooden beam cover 8, so that the avalanche prevention fence is familiar and warm in appearance and harmonized with the surrounding natural environment. , Can improve the landscape. In addition, thinned wood that is expected to be actively promoted can be used effectively, and production costs can be reduced.

  Further, in the present embodiment, the outer cover portion 8B constituting the wooden beam cover 8 is formed in a bottomed wooden cylinder whose axial protruding ends are closed, but may be formed in a cylindrical body having both axial ends open. it can.

It is a front view of the avalanche prevention fence which concerns on embodiment of this invention. It is a rear view of an avalanche prevention fence. It is a top view of an avalanche prevention fence. It is a partial enlarged plan view of an avalanche prevention fence. It is a right view of an avalanche prevention fence.

Explanation of symbols

1 Column 2 Column body 4 Wooden column cover 6 Beam material 7 Beam body 8 Wooden beam cover 8A Inner cover part 8B Outer cover part

Claims (5)

  In an avalanche prevention fence composed of a pair of support columns standing on the ground at a predetermined interval and a plurality of beam members installed between the pair of support columns, the support columns include a metal support column body and the support column main body. A plurality of beam members each made of a metal cylinder, connected to the column main body by a fastening member, and inserted into the beam main body. An avalanche prevention fence comprising a cylindrical wooden beam cover.   The wooden column cover is formed in a semi-cylindrical body having a convex curved surface on the front surface and a flat surface on the rear surface, and is provided on the front surface of the column main body with the convex curved surface facing forward. The avalanche prevention fence of Claim 1.   The wooden beam cover is composed of a hollow wooden cylinder that is open at both ends in the axial direction, and is composed of an inner beam cover material that is positioned between the pair of columns and is inserted into the beam body, and a wooden cylinder, 2. An avalanche prevention fence according to claim 1, wherein the fence is composed of an outer beam cover material that is positioned outside the support column and is inserted into the shaft end side of the beam main body.   The avalanche prevention fence according to claim 1, wherein the column main body and the beam main body are subjected to rust prevention treatment. The avalanche prevention fence according to claim 1, wherein the wooden column cover and the wooden beam cover are subjected to antiseptic treatment.

Images