JPH07285775A - Safety fence for work - Google Patents
Safety fence for workInfo
- Publication number
- JPH07285775A JPH07285775A JP8340994A JP8340994A JPH07285775A JP H07285775 A JPH07285775 A JP H07285775A JP 8340994 A JP8340994 A JP 8340994A JP 8340994 A JP8340994 A JP 8340994A JP H07285775 A JPH07285775 A JP H07285775A
- Authority
- JP
- Japan
- Prior art keywords
- fence
- panel
- manhole
- panels
- fall prevention
- 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.)
- Pending
Links
- 230000002265 prevention Effects 0.000 claims abstract description 31
- 238000012423 maintenance Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 206010048744 Fear of falling Diseases 0.000 description 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
Landscapes
- Escalators And Moving Walkways (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】この発明は、開け放なされたマン
ホールの周囲に転落防止の目的で設置される作業用安全
柵に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work safety fence installed around an open manhole for the purpose of preventing falling.
【0002】[0002]
【従来の技術】一般に、エスカレーターの乗降口付近の
床部には、保守・修理等のために機械室に出入りするた
めのマンホールが設けられている。通常、このマンホー
ルには蓋が取り付けられ完全に塞がれているが、保守・
修理時は開けられたままになっているので、保守・修理
中、マンホールの周囲には転落防止のための安全柵が設
置されている。2. Description of the Related Art Generally, a manhole for entering and leaving a machine room for maintenance and repairs is provided on a floor near an entrance / exit of an escalator. Normally, this manhole is completely covered with a lid, but maintenance and
Since it is left open during repair, a safety fence is installed around the manhole to prevent falls during maintenance and repair.
【0003】図7及び図8は、エスカレーターの乗降口
付近及びエスカレーターの乗降口付近に設置された、従
来の作業用安全柵の一例を示し、図において、符号1は
エスカレーターの乗降口付近の床、2はこの床1に設け
られ、エスカレーターの機械室に出入りするためのマン
ホール、そして、符号3はこのマンホール2周囲の床1
の上に立設され、通行人に注意を喚起するとともに、マ
ンホール2への転落事故を防止する作業用安全柵であ
る。7 and 8 show an example of a conventional work safety fence installed near the entrance / exit of the escalator and near the entrance / exit of the escalator. In the drawings, reference numeral 1 indicates a floor near the entrance / exit of the escalator. 2 is a manhole provided on the floor 1 for entering and exiting the machine room of the escalator, and 3 is a floor 1 around the manhole 2.
It is a work safety fence that stands on the top of the building to call attention to passersby and prevent accidents of falling into the manhole 2.
【0004】作業用安全柵3は、マンホール2周囲の床
1の上に立設され、マンホール2の三方を覆う複数枚の
柵パネル3aと、この柵パネル3aの突き合わせ部に取
り付けられ、隣接する柵パネル3aどうしを折り畳める
ように回動自在に連結する複数個の蝶番3bとを備えて
構成され、コの字状に折り曲げて立設されている。The work safety fence 3 is erected on the floor 1 around the manhole 2 and is attached to a plurality of fence panels 3a covering three sides of the manhole 2 and the abutting portions of the fence panels 3a so as to be adjacent to each other. The fence panels 3a are provided with a plurality of hinges 3b that are rotatably connected to each other so that the fence panels 3a can be folded, and the fence panels 3a are erected in a U-shape.
【0005】[0005]
【発明が解決しようとする課題】従来の作業用安全柵は
以上説明したように構成され、マンホール2周囲の床1
の上に単に自立するように設置され、特に固定されてい
るわけではないので、通行人、特に、目の不自由な人が
作業用安全柵3にぶつかったりすると、作業用安全柵3
と共にそのまま倒れ、時にはマンホール2の中に転落す
るおそれがある等の課題があった。また、少々の突風で
も簡単に倒れてしまうおそれがある等の課題もあった。A conventional work safety fence is constructed as described above and has a floor 1 around a manhole 2.
It is installed so as to be self-supporting and is not particularly fixed. Therefore, if a passerby, especially a blind person, bumps into the work safety fence 3, the work safety fence 3
At the same time, there was a problem that it may fall down as it is and sometimes fall into the manhole 2. In addition, there is a problem that even a slight gust may easily fall down.
【0006】この発明は、以上の課題を解決するために
なされたもので、通行人がぶつかったり、少々の突風で
も倒れることがなく、通行人のマンホールへの転落事故
等を未然に防止するようにした作業用安全柵を提供する
ことを目的とする。The present invention has been made in order to solve the above problems, and prevents pedestrians from falling into a manhole or the like, without being hit by a pedestrian or falling down by a slight gust of wind. The purpose is to provide a safety fence for work.
【0007】[0007]
【課題を解決するための手段】この発明に係る作業用安
全柵は、折り畳めるように連結され、マンホール周囲の
床の上に立設される複数枚の柵パネルと、この柵パネル
の下端部に起倒自在に連結され、前記柵パネル両側の床
の上に敷設される複数枚の倒れ防止パネルとを備えて構
成されている。A work safety fence according to the present invention includes a plurality of fence panels which are connected so as to be foldable and are erected on a floor around a manhole, and a lower end portion of the fence panel. It is configured to include a plurality of fall prevention panels that are connected so as to be able to tilt up and down and are laid on the floor on both sides of the fence panel.
【0008】[0008]
【作用】この発明に係る作業用安全柵においては、通行
人が柵パネルにぶつかるとき、通行人が倒れ防止パネル
を自ら踏みつけていることにより、作業用安全柵の転倒
及び通行人のマンホールへの転落事故が防止される。In the work safety fence according to the present invention, when a passerby collides with the fence panel, the passerby steps on the fall prevention panel by himself, so that the work safety fence may fall over and the passerby's manhole may be damaged. Fall accidents are prevented.
【0009】[0009]
【実施例】図1及び図2は、この発明に係る作業用安全
柵の一実施例を示し、図3は図1の要部側断面図、図4
は図2の要部側断面図であり、図において、前記従来例
と同一または相当部分には同一符号を付し、その説明を
省略する。作業用安全柵4は、マンホール2周囲の床1
の上にその三方を覆うようにそれぞれ立設される複数枚
の柵パネル4aと、この隣接する柵パネル4aの竪枠4
bにそれぞれねじ止めされ、隣接する柵パネル4aどう
しを折り畳めるように回動自在に連結する複数個の蝶番
4cと、各柵パネル4aの下枠4dにねじ止めされた取
付桟4eに起倒自在に連結され、マンホール2周囲の床
1の上に敷設される複数枚の倒れ防止パネル4f及び4
gと、この倒れ防止パネル4f及び4gを柵パネル4a
の両側に添え付けられるように、倒れ防止パネル4f及
び4gと取付桟4eとをそれぞれ回動自在に連結する複
数個の蝶番4hとを備えて構成されている。1 and 2 show an embodiment of a work safety fence according to the present invention, and FIG. 3 is a side sectional view of an essential part of FIG.
2 is a side sectional view of a main part of FIG. 2, in which the same or corresponding parts as those in the conventional example are designated by the same reference numerals and the description thereof will be omitted. The work safety fence 4 is the floor 1 around the manhole 2
A plurality of fence panels 4a that are respectively erected on the top of the fence so as to cover the three sides thereof, and the vertical frames 4 of the adjacent fence panels 4a.
A plurality of hinges 4c that are respectively screwed to b and rotatably connect adjacent fence panels 4a so that they can be folded together, and a mounting bar 4e that is screwed to the lower frame 4d of each fence panel 4a can be raised and lowered. And a plurality of fall prevention panels 4f and 4 that are laid on the floor 1 around the manhole 2
g, and the fall prevention panels 4f and 4g, the fence panel 4a
It is provided with a plurality of hinges 4h that rotatably connect the falling prevention panels 4f and 4g and the mounting bar 4e so as to be attached to both sides thereof.
【0010】柵パネル4a、倒れ防止パネル4f及び4
gは、共に矩形板状に構成されている。また、倒れ防止
パネル4fは柵パネル4aの外側に取り付けられ、倒れ
防止パネル4gは柵パネル4aの内側に取り付けられて
いる。また、倒れ防止パネル4fはできるだけ大きく構
成されている。Fence panel 4a, fall prevention panels 4f and 4
Both g have a rectangular plate shape. The fall prevention panel 4f is attached to the outside of the fence panel 4a, and the fall prevention panel 4g is attached to the inside of the fence panel 4a. The fall prevention panel 4f is configured to be as large as possible.
【0011】符号5と6は倒れ防止パネル4fと倒れ防
止パネル4gとにそれぞれ取り付けられ、倒れ防止パネ
ル4fと倒れ防止パネル4gとが柵パネル4aの両側に
添え付けられた際に、互いにくっつき合って倒れ防止パ
ネル4fと4gとが倒れて広がらないように固定するマ
グネットと吸着板、そして、符号7は各倒れ防止パネル
4fの先端部に形成された小孔4iに連続して挿通さ
れ、柵パネル4aの両側に添え付けられた倒れ防止パネ
ル4fどうしを固定する固定ねじ、そして、符号8は固
定ねじ7の先端雄ねじ部7aに螺合され、固定ねじ7を
小孔4iより抜けないように固定する固定ナットであ
る。Reference numerals 5 and 6 are attached to the fall prevention panel 4f and the fall prevention panel 4g, respectively, and when the fall prevention panel 4f and the fall prevention panel 4g are attached to both sides of the fence panel 4a, they stick to each other. A magnet and a suction plate for fixing the fall prevention panels 4f and 4g so as not to fall and spread, and the reference numeral 7 is continuously inserted into the small holes 4i formed at the tip end of each fall prevention panel 4f to form a fence. A fixing screw for fixing the fall prevention panels 4f attached to both sides of the panel 4a, and a reference numeral 8 is screwed to the male screw end portion 7a of the fixing screw 7 so that the fixing screw 7 does not come out from the small hole 4i. It is a fixing nut for fixing.
【0012】このような構成において、この作業用安全
柵を設置するには、マンホール2周囲の床1の上に、柵
パネル4aを適当な形状(実施例ではコの字状に広げら
れている)に広げて自立させる。また、各柵パネル4a
の両側に倒れ防止パネル4fと4gを倒して敷設する。In order to install the work safety fence in such a structure, the fence panel 4a is spread on the floor 1 around the manhole 2 in an appropriate shape (in the embodiment, a U-shape). ) And make it independent. Also, each fence panel 4a
Lay down the fall prevention panels 4f and 4g on both sides of.
【0013】このような状態で、通行人が誤って柵パネ
ル4aにぶつかったとしても、この柵パネル4aの下端
部に連結された倒れ防止パネル4fを通行人自ら踏み付
けているので、柵パネル4aは倒れる心配はなく、従っ
て、通行人が柵パネル4aにぶつかった勢いでマンホー
ル2に転落するのことが未然に防止できる。Even if a passerby accidentally collides with the fence panel 4a in such a state, the fall prevention panel 4f connected to the lower end of the fence panel 4a is stepped on by the passerby, so that the fence panel 4a. There is no fear of falling, and therefore, it is possible to prevent a passerby from falling into the manhole 2 with the force of colliding with the fence panel 4a.
【0014】一方、この作業用安全柵を折り畳むには、
各柵パネル4a両側の倒れ防止パネル4fと4gとを起
こし、柵パネル4aの両側にそれぞれ添え付け、マグネ
ット5と吸着板6とを吸着させる。次に、柵パネル4a
を蝶番4cを軸に折り畳み、そして、倒れ防止パネル4
fの小孔4iに固定ねじ7を通し、その先端雄ねじ部7
aに固定ナット8を螺合する。このようにコンパクトに
折り畳めることにより、運搬、収納等の取り扱いがし易
くなる。On the other hand, to fold this work safety fence,
The fall prevention panels 4f and 4g on both sides of each fence panel 4a are raised and attached to both sides of the fence panel 4a, and the magnet 5 and the attraction plate 6 are attracted. Next, fence panel 4a
Fold the hinge around the hinge 4c, and fall prevention panel 4
Pass the fixing screw 7 through the small hole 4i of f,
The fixing nut 8 is screwed into a. Such compact folding facilitates handling such as transportation and storage.
【0015】実施例2.図5は、この発明に係る作業用
安全柵の他の実施例を示し、倒れ防止パネル4fの表面
に滑り止め9が形成されている。この実施例によれば、
屋外に設置されたエスカレーターの保守点検や床面の清
掃に際し、倒れ防止パネル4fを踏んでも滑って転倒す
るのおそれがなく、安全性が増す効果がある。Example 2. FIG. 5 shows another embodiment of the work safety fence according to the present invention, in which a slip stopper 9 is formed on the surface of the fall prevention panel 4f. According to this example,
During maintenance and inspection of the escalator installed outdoors and cleaning of the floor surface, there is no risk of slipping and falling even if the fall prevention panel 4f is stepped on, which has the effect of increasing safety.
【0016】また、倒れ防止パネル4fの表面に、目の
不自由な人にもわかる点字ブロック(図省略)を貼着す
れば、目の不自由な人にも注意を促すことができる効果
がある。If a braille block (not shown) that can be seen by the blind is attached to the surface of the falling prevention panel 4f, the blind can be alerted. is there.
【0017】実施例3.図6は、この発明に係る作業用
安全柵の他の実施例を示し、図において、倒れ防止パネ
ル4fの裏側に滑り止め9が形成されている。この実施
例によれば、マンホール2周囲の床面が少々濡れていて
も、倒れ防止パネル4fが滑る恐れがなく、更に、安全
性が増す効果がある。Embodiment 3. FIG. 6 shows another embodiment of the work safety fence according to the present invention, in which a slip stopper 9 is formed on the back side of the fall prevention panel 4f. According to this embodiment, even if the floor surface around the manhole 2 is slightly wet, the fall prevention panel 4f does not slip and the safety is further enhanced.
【0018】[0018]
【発明の効果】この発明に係る作業用安全柵は、折り畳
めるように連結され、マンホール周囲の床の上に立設さ
れる複数枚の柵パネルと、この柵パネルの下端部に起倒
自在に連結され、前記柵パネル両側の床の上に敷設され
る複数枚の倒れ防止パネルとを備えて構成されているの
で、通行人が誤って柵パネルにぶつかったとしても、こ
の柵パネルの下端部に連結された倒れ防止パネルを通行
人が自ら踏み付けているので、通行人が柵パネルととも
に転倒し、マンホールに転落するのを未然に防止できる
効果がある。また、少々の突風に遭っても転倒するよう
なことが防止できる効果もある。The work safety fence according to the present invention is composed of a plurality of fence panels which are connected so as to be foldable and are erected on the floor around the manhole, and can be erected at the lower end portion of the fence panels. Even if a passer-by accidentally bumps into the fence panel, the lower end of this fence panel is connected to the fence panel. Since the passer-by passengers step on the fall prevention panel connected to, it is possible to prevent the passerby from falling with the fence panel and falling into the manhole. In addition, there is an effect that it is possible to prevent falling even if a slight gust is encountered.
【0019】更に、柵パネルは折り畳めるように連結さ
れ、かつ、倒れ防止パネルも柵パネルの下端部に起倒自
在に連結され、柵パネルの両側に添え付けることができ
るので、コンパクトに折り畳むことができ、運搬、収納
等の取り扱いがし易くなる効果がある。Further, the fence panel is foldably connected, and the fall prevention panel is also movably connected to the lower end of the fence panel so that it can be attached to both sides of the fence panel, so that it can be folded compactly. This has the effect of facilitating handling such as transportation and storage.
【図1】 この発明に係る作業用安全柵の一実施例の斜
視図である。FIG. 1 is a perspective view of an embodiment of a work safety fence according to the present invention.
【図2】 図1に示す作業用安全柵の折り畳んだ状態を
示す斜視図である。FIG. 2 is a perspective view showing a folded state of the work safety fence shown in FIG.
【図3】 図1の要部側断面図である。FIG. 3 is a side sectional view of a main part of FIG.
【図4】 図2の要部側断面図である。FIG. 4 is a side sectional view of a main part of FIG.
【図5】 この発明に係る作業用安全柵の他の実施例の
斜視図である。FIG. 5 is a perspective view of another embodiment of the work safety fence according to the present invention.
【図6】 この発明に係る作業用安全柵の他の実施例の
斜視図である。FIG. 6 is a perspective view of another embodiment of the work safety fence according to the present invention.
【図7】 従来の作業用安全柵の一例を示す斜視図であ
る。FIG. 7 is a perspective view showing an example of a conventional work safety fence.
【図8】 図7に示す作業用安全柵の折り畳んだ状態を
示す斜視図である。8 is a perspective view showing a folded state of the work safety fence shown in FIG. 7. FIG.
1 床、2 マンホール、4a 柵パネル、4f 倒れ
防止パネル、4g 倒れ防止パネル。1 floor, 2 manhole, 4a fence panel, 4f fall prevention panel, 4g fall prevention panel.
Claims (1)
全柵において、折り畳めるように連結され、前記マンホ
ール周囲の床の上に立設される複数枚の柵パネルと、こ
の柵パネルの下端部に起倒自在に連結され、前記柵パネ
ル両側の床の上に敷設される複数枚の倒れ防止パネルと
を備えてなることを特徴とする作業用安全柵。1. In a work safety fence installed around a manhole, a plurality of fence panels that are connected so as to be foldable and are erected on the floor around the manhole and a lower end portion of the fence panel. A safety fence for work, comprising a plurality of fall prevention panels which are connected so as to be able to tilt up and down and are laid on the floor on both sides of the fence panel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8340994A JPH07285775A (en) | 1994-04-21 | 1994-04-21 | Safety fence for work |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8340994A JPH07285775A (en) | 1994-04-21 | 1994-04-21 | Safety fence for work |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH07285775A true JPH07285775A (en) | 1995-10-31 |
Family
ID=13801639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8340994A Pending JPH07285775A (en) | 1994-04-21 | 1994-04-21 | Safety fence for work |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH07285775A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7568449B2 (en) | 2004-11-24 | 2009-08-04 | Richell U.S.A., Inc. | Freestanding pet barrier |
US8528257B2 (en) | 2011-03-04 | 2013-09-10 | Richell Corporation | Convertible pet barrier with a connection member |
-
1994
- 1994-04-21 JP JP8340994A patent/JPH07285775A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7568449B2 (en) | 2004-11-24 | 2009-08-04 | Richell U.S.A., Inc. | Freestanding pet barrier |
US7954456B2 (en) | 2004-11-24 | 2011-06-07 | Richell U.S.A., Inc. | Freestanding pet barrier |
US8230816B2 (en) | 2004-11-24 | 2012-07-31 | Richell U.S.A., Inc. | Freestanding pet barrier |
US8528257B2 (en) | 2011-03-04 | 2013-09-10 | Richell Corporation | Convertible pet barrier with a connection member |
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