JP2574171Y2 - Elevating ladder with fall prevention device - Google Patents
Elevating ladder with fall prevention deviceInfo
- Publication number
- JP2574171Y2 JP2574171Y2 JP1992044096U JP4409692U JP2574171Y2 JP 2574171 Y2 JP2574171 Y2 JP 2574171Y2 JP 1992044096 U JP1992044096 U JP 1992044096U JP 4409692 U JP4409692 U JP 4409692U JP 2574171 Y2 JP2574171 Y2 JP 2574171Y2
- Authority
- JP
- Japan
- Prior art keywords
- ridge
- ladder
- view
- fall prevention
- stopper
- 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.)
- Expired - Lifetime
Links
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は電車線吊下用支柱等の昇
降に利用する墜落防止装置付昇降梯子に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevating ladder with a fall prevention device used for elevating a column for suspending a train line.
【０００２】[0002]
【従来の技術及び考案が解決しようとする課題】電車線
吊下用支柱には通常昇降用のステップボルトは取付けら
れていない。従って、保守、点検等のために支柱を昇降
する際には、その都度梯子を持参して移動しなければな
らなかった。しかも、作業は終電車が終った後の真夜中
に行なわれることが多く、又線路敷地であるため足場が
悪く、墜落の危険性があった。2. Description of the Related Art Usually, a step bolt for elevating and lowering is not attached to a column for suspending a train line. Therefore, each time the pillar is moved up and down for maintenance and inspection, the ladder must be brought and moved. In addition, work is often performed at midnight after the last train is over, and because of the track site, the scaffolding is poor and there is a risk of crash.
【０００３】[0003]
【課題を解決するための手段】本考案は上述の問題点を
解消し、梯子を持っての移動がなく、しかも作業者の墜
落の防止手段を設けた昇降梯子を提供するもので、その
特徴は、側縁の一方に安全器装着摺動用の第１の突条
を、他の側縁に取付け用の第２の突条を、さらに上記２
つの突条の間にこれらと平行する第３の突条をそれぞれ
形成したレール本体の上端部に固定ストッパーを、下端
部に解放可能なストッパーをそれぞれ設け、前記第２の
突条と第３の突条の間に形成される溝部に適当間隔毎に
ステップボルトをナットで締着し、前記第３の突条をス
テップボルトおよびナットの回り止めとしたことにあ
る。SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems, and provides an ascending and descending ladder which does not move with a ladder and is provided with means for preventing a worker from falling down. Is provided with a first ridge for mounting and sliding a safety device on one side edge, a second ridge for attachment on the other side edge, and
A fixed stopper is provided at the upper end of the rail main body, and a releasable stopper is provided at the lower end of the rail main body. Step bolts are fastened to the grooves formed between the ridges at appropriate intervals with nuts, and the third ridges are threaded.
This is to prevent rotation of Tep bolt and nut .
【０００４】[0004]
【実施例】図１は本考案の墜落防止装置付昇降梯子の具
体例の説明図で、図１（イ）は上部部分、図１（ロ）は
下部部分のそれぞれ正面図で、連結金具（図示せず）等
により一連に構成されている。又図２（イ）は図１のX1
−X1断面図、図２（ロ）は図１のX2−X2矢視断面図、図
２（ハ）は図１のX3−X3矢視断面図である。FIG. 1 is an explanatory view of a specific example of a lifting ladder with a fall prevention device according to the present invention. FIG. 1 (a) is a front view of an upper portion, FIG. 1 (b) is a front view of a lower portion, and FIG. (Not shown) and the like. FIG. 2 (a) shows X 1 of FIG.
-X 1 cross-sectional view, FIG. 2 (b) is X 2 -X 2 cross-sectional view taken along FIG. 1, FIG. 2 (c) is X 3 -X 3 arrow sectional view of FIG.
【０００５】図面において、１はレール本体で、図２
（イ）にその横断面を示すように、側縁の一方に安全器
装着摺動用の第１の突条11が形成されており、他の側縁
には該レール本体１を支持柱等に取付けるための第２の
突条12が形成されている。そして、上記第１の突条11と
第２の突条12の間にはこれらと平行する第３の突条13が
形成されており、上記第２条の突条12と第３の突条13の
なす溝部14にはボルト挿通孔15が形成されている。In the drawings, reference numeral 1 denotes a rail body, and FIG.
(A) As shown in the cross section, a first ridge 11 for sliding a safety device is formed on one of the side edges, and the rail body 1 is mounted on a support pillar or the like on the other side edge. A second ridge 12 for attachment is formed. A third ridge 13 is formed between the first ridge 11 and the second ridge 12 in parallel with the first ridge 11 and the second ridge 12. The second ridge 12 and the third ridge 12 are parallel to each other. A bolt insertion hole 15 is formed in a groove 14 formed by 13.
【０００６】図１（イ）に示すように、レール本体１の
上端部にはレール本体１に固着した上部ストッパー３が
設けられており、これによりレール本体１の安全器装着
摺動用の第１の突条11を摺動する安全器（図示せず）が
レール本体１の上部から抜け出ることを防止している。
又図１（ロ）に示すように、レール本体１の下端部には
解放可能な下部ストッパー４が設けられている。この下
部ストッパー４は、図２（ハ）に示すように、ストッパ
ー本体41がジョイント金具42を介して、これらを貫通す
るボルト46によりレール本体１の前記溝部14に取付けら
れている。そしてボルト46の頭部46a に取付けた留め板
45とストッパー本体41の上に位置するカラー43の間には
スプリング44が装着されており、このスプリング44の作
用により、下部ストッパー４は常時は図１（ロ）に示す
ようにレール本体１を閉じた状態にあり、第１の突条11
に装着した安全器が下方へ抜け出ることを防止してい
る。しかし、人手により図の点線のように下部ストッパ
ー４を解放することが可能であり、これにより安全器の
第１の突条11への装着あるいは取外しが可能となる。な
お、図２（ハ）において、47はキーで、安全器を第１の
突条11へ装着する際の位置決めの役目をなす。As shown in FIG. 1A, an upper stopper 3 fixed to the rail main body 1 is provided at the upper end of the rail main body 1, whereby the rail main body 1 is provided with the first stopper for sliding the safety device. A safety device (not shown) that slides on the ridge 11 is prevented from falling out of the upper portion of the rail main body 1.
As shown in FIG. 1B, a lower stopper 4 that can be released is provided at the lower end of the rail body 1. As shown in FIG. 2C, the stopper body 41 of the lower stopper 4 is attached to the groove 14 of the rail body 1 by a bolt 46 penetrating the stopper body 41 through a joint fitting 42. And the fastening plate attached to the head 46a of the bolt 46
A spring 44 is mounted between the collar 45 and the collar 43 located on the stopper main body 41. By the action of the spring 44, the lower stopper 4 always holds the rail main body 1 as shown in FIG. In the closed state, the first ridge 11
This prevents the safety device attached to the device from falling out. However, it is possible to manually release the lower stopper 4 as shown by the dotted line in the figure, thereby enabling the safety device to be attached to or detached from the first ridge 11. In FIG. 2C, reference numeral 47 denotes a key, which plays a role of positioning when the safety device is mounted on the first ridge 11.
【０００７】図２（ロ）はステップボルト２の取付け状
態図である。ステップボルト２はレール本体１の第２の
突条12と第３の突条13の間に形成される溝部14のボルト
挿通孔15を貫通してレール本体１に取付けられる。ステ
ップボルト２はその基部において、溝14内に位置する内
側ナット21と、同様に溝14内に位置するカラー22を介し
て外側ナット23によりレール本体１に締着される。この
際、内側ナット21は溝14内に位置することにより、ステ
ップボルト２及びナット21の回り止めの役目をも果た
す。FIG. 2B is a view showing a state where the step bolt 2 is attached. The step bolt 2 is attached to the rail body 1 through a bolt insertion hole 15 of a groove 14 formed between the second ridge 12 and the third ridge 13 of the rail body 1. At its base, the step bolt 2 is fastened to the rail body 1 by an inner nut 21 located in the groove 14 and an outer nut 23 via a collar 22 also located in the groove 14. At this time, since the inner nut 21 is located in the groove 14, the inner nut 21 also serves as a detent for the step bolt 2 and the nut 21.
【０００８】図３は本考案の昇降梯子を円筒状支柱へ取
付ける方法の一例の説明図で、図３（イ）は上面図、図
３（ロ）は側面図である。図面に示すように、円筒状支
柱50に装着した装柱バンド51の一側に連結板52を取付
け、該連結板52に、レール本体１の第２の突条12に嵌合
した２つ割りクランプ53を貫通するボルト54により締着
することによって取付ける。このような取付け部を適当
間隔毎に複数個設けて本考案の昇降梯子を円筒状支柱へ
取付ける。FIG. 3 is an explanatory view of an example of a method of attaching the elevating ladder of the present invention to a cylindrical column. FIG. 3 (a) is a top view, and FIG. 3 (b) is a side view. As shown in the drawing, a connecting plate 52 is attached to one side of a mounting band 51 attached to a cylindrical support 50, and the connecting plate 52 is divided into two parts fitted to the second ridges 12 of the rail body 1. It is mounted by tightening with a bolt 54 that penetrates the clamp 53. A plurality of such attachment portions are provided at appropriate intervals, and the elevating ladder of the present invention is attached to the cylindrical column.
【０００９】図４は本考案の昇降梯子をアングル支柱へ
取付ける方法の一例の説明図で、図４（イ）は上面図、
図４（ロ）は側面図である。図面に示すように、アング
ル60の両端にアイボルト63により止め金具65をそれぞれ
固着し、上記アイボルト63に一端を取付けた連結板62に
固着した取付板61に、レール本体１の第２の突条12に嵌
合した２つ割りクランプ64を貫通するボルト66により締
着することによって取付ける。このような取付け部をア
ングル支柱の適当間隔毎に複数個設けて本考案の昇降梯
子をアングル支柱へ取付ける。FIG. 4 is an explanatory view of an example of a method of attaching the elevating ladder of the present invention to the angle support, FIG. 4 (a) is a top view,
FIG. 4B is a side view. As shown in the drawing, the stoppers 65 are fixed to both ends of the angle 60 by eye bolts 63, respectively, and the second ridges of the rail main body 1 are attached to a mounting plate 61 fixed to a connecting plate 62 having one end attached to the eye bolt 63. Attachment is performed by tightening with a bolt 66 penetrating a split clamp 64 fitted to 12. A plurality of such mounting portions are provided at appropriate intervals of the angle support, and the elevating ladder of the present invention is mounted on the angle support.
【００１０】図５（イ）及び（ロ）は、本考案の昇降梯
子を円筒状支柱（図５イ）及びアングル支柱（図５ロ）
へ取付けた状態図である。特に図５（イ）は作業者が安
全器70をレール本体１に装着して昇降する状態を示して
いる。FIGS. 5 (a) and 5 (b) show the lifting ladder of the present invention using a cylindrical column (FIG. 5A) and an angle column (FIG. 5B).
FIG. In particular, FIG. 5A shows a state in which the worker mounts the safety device 70 on the rail main body 1 and moves up and down.
【００１１】[0011]
【考案の効果】以上説明したように、本考案の墜落防止
装置付昇降梯子によれば、レール本体に安全器を装着す
る突条を具えているので、作業者は昇降に際し、安全器
をレール本体に装着することにより作業者の墜落を防止
し、作業の安全性が確保される。又作業者は安全器を持
参して現地へ行けば常に使用可能であり、従来のように
梯子の持ち運びが解消される。さらに、第３突条をステ
ップボルトおよびステップボルトを締め付けるナットの
回り止めとすることができ、ステップボルトのゆるみを
解消できる。 [Effects of the Invention] As described above, according to the elevating ladder with the fall prevention device of the present invention, since the rail main body is provided with the ridge for mounting the safety device, the worker can lift the safety device on the rail when going up and down. By attaching to the main body, the fall of the worker is prevented, and the safety of the work is ensured. In addition, the worker can always use the safety device if he brings it to the site and the carrying of the ladder as in the related art is eliminated. In addition, the third ridge
Of the nut to tighten the
It can be used as a detent, reducing the looseness of the step bolt.
Can be resolved.
【図１】本考案の墜落防止装置付昇降装置の具体例の説
明図で、図１（イ）は上部部分、図１（ロ）は下部部分
のそれぞれ正面図である。FIG. 1 is an explanatory view of a specific example of an elevating device with a fall prevention device according to the present invention. FIG. 1 (a) is a front view of an upper portion, and FIG. 1 (b) is a front view of a lower portion.
【図２】図２（イ）は図１のX1−X1断面図、図２（ロ）
は図１のX2−X2矢視断面図、図２（ハ）は図１のX3−X3
矢視断面図である。FIG. 2A is a cross-sectional view taken along the line X 1 -X 1 of FIG. 1 , FIG.
The X 2 -X 2 cross-sectional view taken along FIG. 1, FIG. 2 (c) is X 3 -X 3 in Fig. 1
It is arrow sectional drawing.
【図３】本考案の昇降梯子を円筒状支柱へ取付ける方法
の一例の説明図で、図３（イ）は上面図、図３（ロ）は
側面図である。FIGS. 3A and 3B are explanatory views of an example of a method of attaching the elevating ladder of the present invention to a cylindrical support, wherein FIG. 3A is a top view and FIG. 3B is a side view.
【図４】本考案の昇降梯子をアングル支柱へ取付ける方
法の一例の説明図で、図４（イ）は上面図、図４（ロ）
は側面図である。FIG. 4 is an explanatory view of an example of a method of attaching the elevating ladder of the present invention to the angle support, FIG. 4 (a) is a top view, and FIG.
Is a side view.
【図５】図５（イ）及び（ロ）は、いずれも本考案の昇
降梯子を支柱に取付けた状態図である。FIGS. 5 (a) and 5 (b) are views showing a state in which the lifting ladder of the present invention is attached to a column.
１ レール本体 11 安全器装着摺動用の第１の突条 12 取付用の第２の突条 13 中間の第３の突条 14 溝部 ２ ステップボルト ３ 上部ストッパー ４ 下部ストッパー DESCRIPTION OF SYMBOLS 1 Rail main body 11 First ridge for safety device mounting sliding 12 Second ridge for attachment 13 Intermediate third ridge 14 Groove 2 Step bolt 3 Upper stopper 4 Lower stopper
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) H02G 7/00 B60M 1/28──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 6 , DB name) H02G 7/00 B60M 1/28
Claims (1)
突条を、他の側縁に取付け用の第２の突条を、さらに上
記２つの突条の間にこれらと平行する第３の突条をそれ
ぞれ形成したレール本体の上端部に固定ストッパーを、
下端部に開放可能なストッパーをそれぞれ設け、前記第
２の突条と第３の突条の間に形成される溝部に適当間隔
毎にステップボルトをナットで締着し、前記第３の突条
をステップボルトおよびナットの回り止めとしたことを
特徴とする墜落防止装置付昇降梯子。1. A first ridge for mounting and sliding a safety device on one of the side edges, a second ridge for attachment on the other side edge, and a parallel between these two ridges. A fixed stopper is provided at the upper end of the rail body on which the third ridge is formed.
An openable stopper is provided at each lower end, and a step bolt is fastened to a groove formed between the second ridge and the third ridge at appropriate intervals with a nut, and the third ridge is provided.
A lifting ladder with a fall prevention device characterized in that a step bolt and a nut are prevented from rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992044096U JP2574171Y2 (en) | 1992-06-01 | 1992-06-01 | Elevating ladder with fall prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992044096U JP2574171Y2 (en) | 1992-06-01 | 1992-06-01 | Elevating ladder with fall prevention device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0593963U JPH0593963U (en) | 1993-12-21 |
| JP2574171Y2 true JP2574171Y2 (en) | 1998-06-11 |
Family
ID=12682090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1992044096U Expired - Lifetime JP2574171Y2 (en) | 1992-06-01 | 1992-06-01 | Elevating ladder with fall prevention device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2574171Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005002875A (en) * | 2003-06-11 | 2005-01-06 | Sakurai Giken Kogyo Kk | Repair method and repair device for wind power generation tower |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102363185B1 (en) * | 2020-05-19 | 2022-02-15 | 한국전력공사 | Apparatus for lifting of tubular steel pole |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5710687U (en) * | 1980-06-13 | 1982-01-20 | ||
| JPS5910499U (en) * | 1982-07-12 | 1984-01-23 | 株式会社木曽製作所 | Simple ladder using a lifting safety device |
| JP3024149U (en) * | 1995-10-27 | 1996-05-17 | 國安 李 | Formwork panel |
| DE20300928U1 (en) * | 2003-01-22 | 2004-05-27 | Wik Far East Ltd. | Coffee bean hopper for a coffee machine |
-
1992
- 1992-06-01 JP JP1992044096U patent/JP2574171Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005002875A (en) * | 2003-06-11 | 2005-01-06 | Sakurai Giken Kogyo Kk | Repair method and repair device for wind power generation tower |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0593963U (en) | 1993-12-21 |
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