JPH10238165A - Windbreak device - Google Patents

Windbreak device

Info

Publication number
JPH10238165A
JPH10238165A JP4073297A JP4073297A JPH10238165A JP H10238165 A JPH10238165 A JP H10238165A JP 4073297 A JP4073297 A JP 4073297A JP 4073297 A JP4073297 A JP 4073297A JP H10238165 A JPH10238165 A JP H10238165A
Authority
JP
Japan
Prior art keywords
resistance plate
wind
pressure receiving
receiving surfaces
windbreak
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP4073297A
Other languages
Japanese (ja)
Other versions
JP3211703B2 (en
Inventor
Akihisa Kawaguchi
彰久 川口
Tomoko Kinashi
智子 木梨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Obayashi Corp
Original Assignee
Obayashi Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Obayashi Corp filed Critical Obayashi Corp
Priority to JP04073297A priority Critical patent/JP3211703B2/en
Publication of JPH10238165A publication Critical patent/JPH10238165A/en
Application granted granted Critical
Publication of JP3211703B2 publication Critical patent/JP3211703B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To simplify structure, to provide a windbreak effect immediately after construction, not to be influenced by a limited space, a ground condition, and environment, and to facilitate maintenance. SOLUTION: A windbreak device 10 comprises a resistance plate 12 for wind; and a stay 14 to rotatably support the resistance plate 12. The resistance plate 12 is formed such that pressure receiving surfaces 12a and 12b are arranged laterally symmetrically about the center of a symmetrical axis C. The left and right pressure receiving surfaces 12a and 12b are moved backward at an equal backward movement angle. A rotary cylinder 16 centering around a symmetrical axis C is arranged at a part where the pressure receiving surfaces 12a and 12b are coupled together. The upper end part of the stay 14 is rotatably fitted in the rotary cylinder 16.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、強風の流れに抵抗
を与えて風力エネルギーを吸収することにより、風速を
低減するようにした防風装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a windbreak device for reducing the wind speed by giving resistance to a strong wind flow and absorbing wind energy.

【0002】[0002]

【従来の技術】大都会では高層ビルの間を縫って強風が
吹く、謂わゆるビル風の現象がみられる。このビル風は
通行人にとって障害となり、例えば特開昭61−286
467号公報,特開平5−133141号公報,特開平
6−185243号公報,特開平7−62928号公
報,特開平7−217254号公報(以上Int.Cl.E04H
9/14)などによって、従来からビル風を低減する技術が
各種提案されている。
2. Description of the Related Art In a large city, a so-called building-like phenomenon in which a strong wind blows between high-rise buildings is observed. This building style is an obstacle for passersby.
467, JP-A-5-133141, JP-A-6-185243, JP-A-7-62928, and JP-A-7-217254 (hereinafter Int. Cl. E04H).
Various technologies for reducing building wind have been proposed in the past, such as 9/14).

【0003】一般に、ビル風を防止する防風対策として
は、図9に示すように建物1に沿って発生するビル風2
が通過する部分3に樹木4を植栽するようにしたものが
最も多く採用される。このように植栽を施すことにより
樹木4が風2の抵抗体となってエネルギーを吸収し、ビ
ル風2の風速を弱めることができるようになっている。
Generally, as windbreak measures to prevent building wind, building wind 2 generated along building 1 as shown in FIG.
A plant in which a tree 4 is planted in a portion 3 through which a tree passes is most often employed. By planting in this way, the tree 4 becomes a resistor of the wind 2 and absorbs energy, so that the wind speed of the building wind 2 can be reduced.

【0004】[0004]

【発明が解決しようとする課題】しかしながら、かかる
従来の植栽によりビル風を防風する手段では、次の〜
に述べるような各種課題があった。 植栽をほどこしてから根が付き、葉が茂る等の防風効
果が期待できるまでに1年以上の歳月を要する。 植栽の地上部分に比較して根を這わせるための広いス
ペースが必要となり、また、人工地盤では植栽ができな
くなってしまう。 風が強すぎたり、常時日陰になったりする部分では植
栽の生育が悪くなるため、自然環境に大きく影響を受け
て防風効果を充分に期待できない。 害虫に対する消毒,施水,雑草とか落葉の除去等のメ
ンテナンスが常に必要になる。
However, in the conventional means for windproofing a building by planting, the following means are required.
There were various problems as described in (1). After planting, it takes more than one year to achieve the windbreak effect, such as roots and leaves growing, after planting. A larger space is needed for the roots to crawl than the above-ground part of the planting, and planting is not possible on artificial ground. In areas where the wind is too strong or in constant shade, planting grows poorly, so it is greatly affected by the natural environment and the windbreak effect cannot be expected sufficiently. Maintenance such as disinfection of pests, watering, removal of weeds and defoliation is always required.

【0005】そこで、本発明はかかる従来の課題に鑑み
て、簡単な構造にして、防風効果を施工後直ちに発揮
し、狭い設置場所で地盤条件および環境を選ばず、かつ
メンテナンスを容易にする防風装置を提供することを目
的とする。
In view of the above-mentioned problems, the present invention has a simple structure, exhibits a windproof effect immediately after construction, and is suitable for use in a narrow installation location regardless of the ground conditions and environment and facilitates maintenance. It is intended to provide a device.

【0006】[0006]

【課題を解決するための手段】かかる目的を達成するた
めに請求項1に示す本発明の防風装置は、左右の受圧面
を対称に形成した抵抗板を、該抵抗板の対称軸を中心と
して支柱に回転自在に取付けることにより構成する。
In order to achieve the above object, according to a first aspect of the present invention, there is provided a windbreak device comprising: a resistance plate having left and right pressure receiving surfaces formed symmetrically with respect to an axis of symmetry of the resistance plate; It is constructed by rotatably attaching to a support.

【0007】また、請求項2に示す本発明の防風装置
は、上記抵抗板を、適宜大きさの風穴を設けた透孔板で
形成する。
According to a second aspect of the present invention, the resistance plate is formed of a perforated plate having an appropriately sized air hole.

【0008】以上の構成により請求項1の防風装置は、
風が抵抗板に当たると対称に形成された左右の受圧面に
風圧が作用する。このとき、左右の受圧面が等しい抵抗
板を、その対称軸を中心として支柱に回転自在に取付け
ているため、該抵抗板は風が吹いてくる方向に対して安
定する方向、つまり左右の受圧面に等しい風圧が作用す
るように抵抗板が旋回し、該抵抗板は全体的に風向きに
対して正対する。このため、抵抗板に当たった風は正対
状態にある該抵抗板の抵抗を受け、このときに風力エネ
ルギーが吸収されて風速が低減される。
According to the above construction, the windproof device of claim 1 is
When the wind hits the resistance plate, wind pressure acts on the symmetrically formed left and right pressure receiving surfaces. At this time, since the left and right pressure receiving surfaces have the same resistance plate rotatably mounted on the support column about the axis of symmetry, the resistance plate is stable in the direction in which the wind blows, that is, the left and right pressure receiving surfaces. The resistance plate is turned so that equal wind pressure acts on the surface, and the resistance plate is entirely opposed to the wind direction. For this reason, the wind that hits the resistance plate receives the resistance of the resistance plate that is facing directly, and at this time, wind energy is absorbed and the wind speed is reduced.

【0009】また、請求項2の防風装置は、上記抵抗板
を、適宜大きさの風穴を設けた透孔板で形成したので、
抵抗板の軽量化を達成することができると共に、台風時
等にあって著しく大きな暴風が吹いた場合に、風穴から
風圧の一部を逃がすことができるので、抵抗板に作用す
る衝撃力を緩和して防風装置が破損されるのを防止する
ことができる。
Further, in the windproof device of the present invention, the resistance plate is formed by a perforated plate provided with an appropriately sized air hole.
It is possible to reduce the weight of the resistance plate and to release part of the wind pressure from the wind hole when a severe storm blows during a typhoon etc., thus reducing the impact force acting on the resistance plate Thus, it is possible to prevent the windbreak device from being damaged.

【0010】[0010]

【発明の実施の形態】以下、本発明の実施形態を添付図
面を参照して詳細に説明する。図1から図5は本発明の
防風装置の一実施形態を示し、図1は斜視図、図2は平
面図、図3は作動状態を示す平面図、図4は防風装置の
設置状態を示す正面図、図5は防風装置の設置状態を示
す平面図である。
Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. 1 to 5 show an embodiment of the windbreak device of the present invention, FIG. 1 is a perspective view, FIG. 2 is a plan view, FIG. 3 is a plan view showing an operation state, and FIG. 4 shows an installation state of the windbreak device. FIG. 5 is a front view, and FIG. 5 is a plan view showing the installation state of the windbreak device.

【0011】即ち、図1,図2に示すように本実施形態
の防風装置10は、風Wの抵抗板12と、該抵抗板12
を回転自在に支持する支柱14とを備えて構成される。
抵抗板12は、対称軸Cを中心に左右の受圧面12a,
12bが対称に形成されると共に、これら左右の受圧面
12a,12bは図2に示すように等しい後退角θをも
って後退させてある。
That is, as shown in FIG. 1 and FIG. 2, the windbreak device 10 of this embodiment comprises a resistance plate 12 for the wind W and the resistance plate 12.
And a support column 14 that rotatably supports the.
The resistance plate 12 includes left and right pressure receiving surfaces 12a around the symmetry axis C,
12b are formed symmetrically, and the left and right pressure receiving surfaces 12a and 12b are receded at the same receding angle θ as shown in FIG.

【0012】また、上記受圧面12a,12bが結合さ
れる部分には、対称軸Cを中心とする回転筒16が設け
られ、該回転筒16は上記支柱14の上端部に回転自在
に嵌合される。上記支柱14の下端部は地面Gに固定さ
れ、該支柱14によって上記抵抗板12を支持するよう
になっている。また、上記支柱14の高さは、抵抗板1
2と地面Gとの間の距離hが人の通行に妨げとならない
程度に設定され、例えばh=約3mとして構成される。
A rotary cylinder 16 is provided at the portion where the pressure receiving surfaces 12a and 12b are joined, and the rotary cylinder 16 is rotatably fitted to the upper end of the support post 14 around the axis of symmetry C. Is done. The lower end of the support 14 is fixed to the ground G, and the support 14 supports the resistance plate 12. In addition, the height of the support column 14 is the resistance plate 1.
The distance h between the ground 2 and the ground G is set so as not to hinder the passage of a person, and is configured, for example, as h = about 3 m.

【0013】そして、上記防風装置10は実際に設置す
る際には、図4,図5に示すように複数の防風装置1
0,10…を、ビル18に隣接したビル風が吹き抜ける
場所に整然と並べて取付ける。
When the windbreak device 10 is actually installed, as shown in FIG. 4 and FIG.
Are arranged neatly in a place adjacent to the building 18 where the building wind blows through.

【0014】以上の構成により本実施形態の防風装置1
0にあっては、風Wが抵抗板12に当たると、該抵抗板
12が風Wに正対した位置では、対称に形成された左右
の受圧面12a,12bに等しい風圧が作用する。一
方、図3に示すように風Wの方向が変化して抵抗板12
に対して風Wの方向が斜めとなった場合には、該風Wの
方向に対して左右の受圧面12a,12bの有効寸法
a,b(a>b)が異なり、延いては受圧面12a,1
2bの有効面積が異なってくる。このため、抵抗板12
には反時計回り方向のモーメントMが発生して、抵抗板
12は回転筒16を中心に受圧面12a,12bの有効
面積が等しくなるように旋回し、図2に示した安定位置
に落ち着く。
With the above configuration, the windbreak device 1 of the present embodiment
In the case of 0, when the wind W hits the resistance plate 12, at the position where the resistance plate 12 faces the wind W, the same wind pressure acts on the symmetrically formed left and right pressure receiving surfaces 12a and 12b. On the other hand, as shown in FIG.
When the direction of the wind W is oblique, the effective dimensions a and b (a> b) of the left and right pressure receiving surfaces 12a and 12b differ from the direction of the wind W, and 12a, 1
The effective area of 2b differs. Therefore, the resistance plate 12
, A counterclockwise moment M is generated, and the resistance plate 12 turns around the rotary cylinder 16 so that the effective areas of the pressure receiving surfaces 12a and 12b become equal, and settles to the stable position shown in FIG.

【0015】従って、風Wは常時正対位置にある抵抗板
12に当たって、該抵抗板12の抵抗を受けることにな
り、このときに風力エネルギーが吸収されて風速を低減
することができる。そして、図4,図5に示すように防
風装置10を複数設けることにより、風速を効果的に低
減して謂わゆるビル風を抑制することができる。
Therefore, the wind W always hits the resistance plate 12 at the directly opposite position and receives the resistance of the resistance plate 12, and at this time, the wind energy is absorbed and the wind speed can be reduced. By providing a plurality of windproof devices 10 as shown in FIGS. 4 and 5, it is possible to effectively reduce the wind speed and suppress so-called building wind.

【0016】また、本実施形態の防風装置10は、抵抗
板12を支柱14に回転自在に取付けるという簡単な構
成にすることができると共に、抵抗板12を取付けるス
ペースがあれば簡単に取付けることができる。更に、防
風装置10を設置した時点で防風効果を充分に発揮する
ことができ、かつ、防風装置10をアルミニウムとかジ
ュラルミン等で形成しておくことにより、設置後のメン
テナンスが著しく簡単になる。
Further, the windbreak device 10 of the present embodiment can have a simple structure in which the resistance plate 12 is rotatably mounted on the column 14, and can be easily mounted if there is a space for mounting the resistance plate 12. it can. Furthermore, the windproof effect can be sufficiently exhibited when the windproof device 10 is installed, and the maintenance after the installation is significantly simplified by forming the windproof device 10 from aluminum or duralumin.

【0017】そしてまた本発明に係る防風装置10は、
これを建物に付帯するモニュメントとしたり、また抵抗
板12を看板等の掲示手段として兼用することができる
という利点もある。
Further, the windbreak device 10 according to the present invention comprises:
There is also an advantage that this can be used as a monument attached to the building, and the resistance plate 12 can also be used as a signboard or other posting means.

【0018】ところで、上記実施形態では左右の受圧面
12a,12bをそれぞれ平板状に形成した場合を開示
したが、これに限ることなく図6に示すように受圧面1
2a,12bを風Wの風向に対して後退する方向に湾曲
する湾曲面として形成することもできる。勿論、このよ
うに湾曲面として形成した場合にも、左右の受圧面12
a,12bを対称に形成してある。
In the above-described embodiment, the left and right pressure receiving surfaces 12a and 12b are each formed in a flat plate shape. However, the present invention is not limited to this, and as shown in FIG.
The curved surfaces 2a and 12b may be formed as curved surfaces that are curved in the retreating direction with respect to the wind direction of the wind W. Of course, even when formed as such a curved surface, the left and right pressure receiving surfaces 12
a and 12b are formed symmetrically.

【0019】また、上記受圧面12a,12bを、図7
に示すように透孔板としての多孔板20で形成したり、
また、図8に示すように透孔板としてのメッシュ板22
で形成することができる。上記多孔板20は風穴として
の多数の透孔20aが形成されており、かつ、上記メッ
シュ板22は風穴としての網目22aが無数に形成され
ている。尚、上記メッシュ板22の周縁部はフレーム2
2bで補強される。
Further, the pressure receiving surfaces 12a and 12b are
As shown in the figure, it is formed by a perforated plate 20 as a perforated plate,
As shown in FIG. 8, a mesh plate 22 as a perforated plate is used.
Can be formed. The perforated plate 20 has a large number of through holes 20a as air holes, and the mesh plate 22 has an infinite number of meshes 22a as air holes. The peripheral edge of the mesh plate 22 is the frame 2
Reinforced with 2b.

【0020】従って、図7,図8に示す実施形態では、
抵抗板12は透孔20aおよび網目22aによって軽量
化を達成することができる。また、台風時等にあって著
しく大きな暴風が吹いた場合に、上記透孔20aおよび
網目22aから風圧の一部を逃がすことができるので、
抵抗板12に作用する衝撃力を緩和して防風装置10が
破損されるのを防止することができる。
Therefore, in the embodiment shown in FIGS. 7 and 8,
The weight of the resistance plate 12 can be reduced by the through holes 20a and the meshes 22a. Also, when a very large storm blows during a typhoon or the like, a part of the wind pressure can be released from the through holes 20a and the mesh 22a.
The impact force acting on the resistance plate 12 can be reduced, and the windbreak device 10 can be prevented from being damaged.

【0021】[0021]

【発明の効果】以上説明したように本発明の請求項1に
示す防風装置にあっては、抵抗板の左右の受圧面を対称
に形成し、該抵抗板の対称軸を中心として支柱に回転自
在に取付けたので、風の方向に対して抵抗板は常時正対
する方向に旋回して安定することができる。このため、
風は正対状態にある抵抗板の抵抗を受け、このときに風
力エネルギーが吸収されて風速を低減することができ
る。従って、簡単な構成として安価な防風装置を提供で
きると共に、防風装置を設置した時点で直ちに防風効果
を発揮することができ、かつ、狭いスペースに設置可能
であり、メンテナンスも著しく簡単にすることができ
る。
As described above, in the windbreak device according to the first aspect of the present invention, the left and right pressure receiving surfaces of the resistance plate are formed symmetrically, and the resistance plate rotates about the axis of symmetry of the resistance plate as a center. Since the resistance plate is freely mounted, the resistance plate can always be turned in the direction directly facing the direction of the wind and stabilized. For this reason,
The wind is subject to the resistance of the resistive plate in a facing state, at which time the wind energy is absorbed and the wind speed can be reduced. Therefore, it is possible to provide an inexpensive windbreak device as a simple configuration, and at the same time the windbreak device is installed, the windbreak effect can be exerted immediately, and the windbreak device can be installed in a small space, and maintenance can be significantly simplified. it can.

【0022】また、本発明の請求項2に示す防風装置に
あっては、上記抵抗板を、適宜大きさの風穴を設けた透
孔板で形成したので、抵抗板の軽量化を達成することが
できると共に、台風時等にあって著しく大きな暴風が吹
いた場合に、風穴から風圧の一部を逃がして抵抗板に作
用する衝撃力を緩和し、もって防風装置が破損されるの
を防止することができるという各種優れた効果を奏す
る。
Further, in the windproof device according to claim 2 of the present invention, since the resistance plate is formed of a perforated plate provided with an appropriately sized air hole, the weight of the resistance plate can be reduced. In addition to the above, when a very large storm blows during a typhoon or the like, part of the wind pressure is released from the air holes to reduce the impact force acting on the resistance plate, thereby preventing the windbreak device from being damaged Various excellent effects can be achieved.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の防風装置の一実施形態を示す斜視図で
ある。
FIG. 1 is a perspective view showing an embodiment of a windbreak device of the present invention.

【図2】本発明の防風装置の一実施形態を示す平面図で
ある。
FIG. 2 is a plan view showing one embodiment of a windbreak device of the present invention.

【図3】本発明の防風装置の一実施形態の作動状態を示
す平面図である。
FIG. 3 is a plan view showing an operation state of an embodiment of the windbreak device of the present invention.

【図4】本発明の防風装置の設置状態の一実施形態を示
す正面図である。
FIG. 4 is a front view showing an embodiment of an installation state of the windbreak device of the present invention.

【図5】本発明の防風装置の設置状態の一実施形態を示
す平面図である。
FIG. 5 is a plan view showing an embodiment of an installation state of the windbreak device of the present invention.

【図6】本発明の防風装置の他の実施形態を示す平面図
である。
FIG. 6 is a plan view showing another embodiment of the windbreak device of the present invention.

【図7】本発明の防風装置に用いた抵抗板の他の実施形
態を示す要部斜視図である。
FIG. 7 is a main part perspective view showing another embodiment of the resistance plate used in the windbreak device of the present invention.

【図8】本発明の防風装置に用いた抵抗板の他の実施形
態を示す要部斜視図である。
FIG. 8 is a perspective view of an essential part showing another embodiment of the resistance plate used in the windbreak device of the present invention.

【図9】従来の防風手段を示す説明図である。FIG. 9 is an explanatory view showing a conventional windbreak means.

【符号の説明】[Explanation of symbols]

10 防風装置 12 抵抗板 12a,12b 受圧面 14 支柱 20 多孔板 20a 透孔 22 メッシュ板 22a 網目 DESCRIPTION OF SYMBOLS 10 Windproof device 12 Resistance plate 12a, 12b Pressure receiving surface 14 Prop 20 Perforated plate 20a Through hole 22 Mesh plate 22a Mesh

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 左右の受圧面を対称に形成した抵抗板
を、該抵抗板の対称軸を中心として支柱に回転自在に取
付けたことを特徴とする防風装置。
1. A windbreak device wherein a resistance plate having left and right pressure-receiving surfaces formed symmetrically is rotatably mounted on a column about a symmetry axis of the resistance plate.
【請求項2】 上記抵抗板を、適宜大きさの風穴を設け
た透孔板で形成したことを特徴とする請求項1に記載の
防風装置。
2. The windproof device according to claim 1, wherein the resistance plate is formed by a perforated plate having a suitably sized air hole.
JP04073297A 1997-02-25 1997-02-25 Windbreak device Expired - Fee Related JP3211703B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP04073297A JP3211703B2 (en) 1997-02-25 1997-02-25 Windbreak device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04073297A JP3211703B2 (en) 1997-02-25 1997-02-25 Windbreak device

Publications (2)

Publication Number Publication Date
JPH10238165A true JPH10238165A (en) 1998-09-08
JP3211703B2 JP3211703B2 (en) 2001-09-25

Family

ID=12588815

Family Applications (1)

Application Number Title Priority Date Filing Date
JP04073297A Expired - Fee Related JP3211703B2 (en) 1997-02-25 1997-02-25 Windbreak device

Country Status (1)

Country Link
JP (1) JP3211703B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002303059A (en) * 2001-04-10 2002-10-18 Takenaka Komuten Co Ltd Control method of building wind and control device
CN102812837A (en) * 2012-08-22 2012-12-12 余绳鑫 Irrigation-free sandbreak forest planting technique
CN107278731A (en) * 2017-08-15 2017-10-24 陈雨昕 A kind of windproof protector of crops
CN114046046A (en) * 2021-12-02 2022-02-15 贾义心 Green building installation and construction method based on BMI technology

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002303059A (en) * 2001-04-10 2002-10-18 Takenaka Komuten Co Ltd Control method of building wind and control device
CN102812837A (en) * 2012-08-22 2012-12-12 余绳鑫 Irrigation-free sandbreak forest planting technique
CN107278731A (en) * 2017-08-15 2017-10-24 陈雨昕 A kind of windproof protector of crops
CN114046046A (en) * 2021-12-02 2022-02-15 贾义心 Green building installation and construction method based on BMI technology

Also Published As

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