JP2527116Y2 - Construction ladder support device - Google Patents
Construction ladder support deviceInfo
- Publication number
- JP2527116Y2 JP2527116Y2 JP1990097363U JP9736390U JP2527116Y2 JP 2527116 Y2 JP2527116 Y2 JP 2527116Y2 JP 1990097363 U JP1990097363 U JP 1990097363U JP 9736390 U JP9736390 U JP 9736390U JP 2527116 Y2 JP2527116 Y2 JP 2527116Y2
- Authority
- JP
- Japan
- Prior art keywords
- ladder
- steel beam
- support device
- mounting rod
- supporting
- 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 - Fee Related
Links
Landscapes
- Movable Scaffolding (AREA)
Description
【考案の詳細な説明】 ［産業上の利用分野］ 本考案は、建築物の躯体の建方に使用される梯子を構
造躯体に固定支持するための支持装置に係り、とくに、
先行する構造躯体の鉄骨に係着して建方の作業に供する
ようにした工事用梯子の支持装置に関するものである。[Detailed description of the invention] [Industrial application field] The present invention relates to a support device for fixedly supporting a ladder used for building a building frame to a structural frame, and in particular,
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a construction ladder support device which is attached to a steel frame of a preceding structural body and is used for construction work.
［従来の技術］ 建築物の鉄骨工事の建方に際して、作業員用の昇降手
段としては、当初から、鉄骨柱に仮説の梯子を設置する
ようにしている。そのとき、主として柱に沿って垂直に
設置される梯子は、躯体の鉄骨の柱部材に予め取付けて
おくか、建方の進行に伴って溶接によって固着すること
が行われている。[Prior Art] When constructing a steel structure for a building, a hypothetical ladder is installed on a steel column from the beginning as a means for raising and lowering a worker. At that time, the ladder installed vertically mainly along the column is previously attached to a steel column member of the frame, or is fixed by welding as the construction progresses.
一方、アルミ材で構成した軽量の既製はしごが市販さ
れており、長さの長いものにあっては、折畳み式の多連
梯子も知られているが、通常の梯子は地上から斜めにさ
しかけて使用され、鉄骨工事におけるような垂直状態で
の使用には適しておらず、支持手段として頂部に設けた
鉤部を使用しても、脚部は地面または床面に支持されて
斜めの状態で使用される。On the other hand, lightweight ready-made ladders made of aluminum are commercially available, and for long ones, folding ladders are also known, but ordinary ladders are diagonally cut from the ground It is not suitable for use in a vertical state such as in steel construction, and even if a hook provided on the top is used as a support means, the legs are supported by the ground or floor and used.
［考案が解決しようとする課題］ 従来の梯子にあっては、躯体の鉄骨の柱部材に予め取
付けておくときには、鉄骨部材に比べて強度のない梯子
は輸送時に損傷することが多く、現場において建方に伴
って固着するようにすれば、溶接等の高所での作業能率
が悪いばかりでなく、極めて危険であり、さらに、いず
れの場合にも、後日の撤去に際して切断作業が必要であ
り、費用と安全性に問題があり、工事用の梯子の支持装
置は永く解決されていない。[Problems to be solved by the present invention] In the conventional ladder, when it is attached to the steel column member of the skeleton in advance, the ladder having less strength than the steel frame member is often damaged during transportation. If it is fixed along with the construction, not only is the work efficiency at high places such as welding poor, but also extremely dangerous, and in any case, cutting work is necessary at the time of removal at a later date. Due to cost and safety concerns, ladder support for construction has not been solved for a long time.
［課題を解決するための手段］ 本考案は、上記のような現状に鑑み、建築物の躯体の
建方に使用される梯子を構造躯体に固定支持するための
支持装置を改善する目的をもって創案されたものであっ
て、主として躯体の鉄骨材を利用して梯子を支持するよ
うにした金具形式の支持装置を要旨とするものであり、
該支持装置は、梯子を支持する把持金具と、この把持金
具に連結して鉄骨梁に係着する取付杆材とからなり、把
持金具は、梯子の側桁に直交して添設する長さの本体部
と、本体部に平行し側桁を抱持するように折曲形成した
可動片とからなり、取付杆材の一端部を把持金具に接続
し、他端には鉄骨梁に係着する鉤部を杆材の長さ方向に
位置調節可能に設け、鉤部と梯子の側桁とで鉄骨梁を挾
持するようにしたことを特徴とするものである。[Means for Solving the Problems] In view of the above situation, the present invention was conceived with the purpose of improving a supporting device for fixing and supporting a ladder used for building a building frame to a structural frame. The gist is a bracket-type support device that mainly supports the ladder by using a steel frame material of the skeleton,
The support device includes a gripping metal for supporting the ladder, and a mounting rod connected to the gripping metal and engaging with the steel beam, and the gripping metal has a length attached perpendicular to the side spar of the ladder. And a movable piece bent parallel to the main body and bent to hold the side girders. One end of the mounting rod is connected to the gripping fitting, and the other end is engaged with the steel beam. A hook portion is provided so as to be adjustable in the longitudinal direction of the rod, and the steel beam is held between the hook portion and the side spar of the ladder.
［作用］ 鉤部は好適には取付杆材に螺合した蝶ねじによって位
置調節可能となっており、予め、把持金具と梯子、把持
金具と取付杆材とをそれぞれ連結し、鉤部を鉄骨梁に係
着させて、蝶ねじを螺進させると、鉤部を反力点として
把持金具が鉄骨梁側に引き付けられ、側桁が鉄骨梁に当
接して、梯子が安定して支持される。[Function] The position of the hook is preferably adjustable by a thumb screw screwed to the mounting rod, and the grip and the ladder are connected in advance, and the grip and the mounting rod are connected in advance, and the hook is connected to a steel frame. When it is engaged with the beam and the thumb screw is screwed forward, the gripping metal is pulled toward the steel beam side using the hook as a reaction point, and the side spar contacts the steel beam, and the ladder is stably supported.
［実施例］ 本考案の工事用梯子の支持装置を実施例の図面に基づ
いて詳細に説明する。第８図、第９図において、１は鉄
骨造の建築物の一部を示し、２は鉄骨柱、３は各階の鉄
骨梁、４は床面である。５は複数部分を連接した折り畳
み式の梯子であって、全体にアルミ製であり、一対の外
向き溝形材の側桁51と多数のパイプ製の踏子52とからな
っており、53は上、中、下部の構成部材を折畳み用に接
続する蝶番である。[Embodiment] The support device for a construction ladder of the present invention will be described in detail with reference to the drawings of the embodiment. 8 and 9, reference numeral 1 denotes a part of a steel-framed building, 2 denotes a steel column, 3 denotes a steel beam on each floor, and 4 denotes a floor surface. Reference numeral 5 denotes a folding ladder connecting a plurality of parts, which is entirely made of aluminum, and includes a pair of outward channel-shaped side girders 51 and a number of pipe-made steppers 52. Hinge for connecting upper, middle and lower components for folding.
10は本考案の工事用梯子の支持装置であって、この支
持装置10は、第１図ないし第６図に示すように、梯子５
を直接把持する把持金具20と、この把持金具20に連結し
て構造躯体の鉄骨梁３に係着する取付杆材30とからな
り、梯子５の両側桁51に対して１対使用される。把持金
具20は、梯子５の側桁51に直交して両側に突出して添設
する長さの垂直板状の本体部21と、本体部21に平行し側
桁51の寸法に対応してこれを抱持するように、水平断面
を略ハット状に折曲形成した可動片22とからなり、両者
はそれぞれに穿設したボルト孔23にボルト24を挿通して
結合され、そのとき、両者間に側桁51を強固に抱持する
ことができる。本体部21の一端側には取付杆材30の連結
部25が形成され、例示の構造では、水平断面をＵ字形に
折曲した受部を有し、取付杆材30の結合ボルト26用のボ
ルト孔27が穿設してある。また、本体部21の上縁の中心
部には、梯子５の踏子52の太さに対応して受座28が切り
欠いてある。Reference numeral 10 denotes a support device for the ladder for construction according to the present invention, and the support device 10 includes a ladder 5 as shown in FIGS.
And a mounting rod 30 connected to the gripping metal 20 and engaged with the steel beam 3 of the structural frame. One pair is used for the both side girders 51 of the ladder 5. The gripping bracket 20 has a vertical plate-shaped main body 21 having a length perpendicular to the side spar 51 of the ladder 5 and protruding and attached to both sides thereof, and having a length parallel to the main body 21 and corresponding to the size of the side spar 51. And a movable piece 22 having a horizontal cross section bent substantially in a hat shape so as to hold the bolt, and the two are connected by inserting a bolt 24 into a bolt hole 23 formed in each. The side beam 51 can be held firmly. The connecting portion 25 of the mounting rod 30 is formed on one end side of the main body 21. In the illustrated structure, the connecting portion 25 has a receiving portion whose horizontal cross section is bent into a U-shape. A bolt hole 27 is provided. At the center of the upper edge of the main body 21, a seat 28 is cut out corresponding to the thickness of the step 52 of the ladder 5.
次に、取付杆材30は、第１図、第２図に示すように、
軸ボルト31を主体とし、基端側の一端部32を把持金具20
に接続し、他端33にはねじ34を切ってあり、蝶ねじ35と
鉤部36付きの長ナット37とからなる係着鉤部38を移動可
能に螺合して構成してある。鉤部36は鉄骨梁３の上面フ
ランジ39に係着する形状であり、蝶ねじ35の進退によっ
て構造体に係着する。Next, as shown in FIG. 1 and FIG.
Mainly the shaft bolt 31, and the one end 32 on the base end side
The other end 33 is provided with a screw 34, and is movably threadedly engaged with an engaging hook portion 38 including a thumb screw 35 and a long nut 37 with a hook portion 36. The hook portion 36 is shaped to engage with the upper surface flange 39 of the steel beam 3, and engages with the structure by the advance and retreat of the thumbscrew 35.
本考案の工事用梯子の支持装置10は、上部金具として
梯子５の上方、または中間部に使用し、とくに、梯子５
が折り畳み式の場合に中間部を支持するが、床面４等に
臨む最下部では、鉄骨梁３を利用しないから、別に他の
支持装置10を下部金具40として、上部金具としての支持
装置10と組合せて使用する。この下部金具40は、第７図
ないし第９図に示すように、梯子５の面と平行な鉄骨柱
２の側面に固着したアングル状の２個の取付片41と、こ
れらの取付片41に固着されるアングル材の支持杆42とか
らなり、ボルトによって結合される。支持杆42には側桁
51を挾持するように、１対の受部43が穿設されており、
ボルト44によって把持する。梯子５の全体の重量は上方
の支持装置10によって支持されているから、下部金具40
は位置決めの機能だけで十分であり、梯子５の昇り口に
適度の傾斜を与えている。The support device 10 for a construction ladder of the present invention is used as an upper bracket above or in the middle of the ladder 5,
Supports the middle part when the foldable type is used, but since the steel beam 3 is not used at the lowermost portion facing the floor 4 or the like, another supporting device 10 is separately used as a lower metal fitting 40, and a supporting device 10 as an upper metal fitting is used. Used in combination with. As shown in FIGS. 7 to 9, the lower metal fitting 40 includes two angle-shaped mounting pieces 41 fixed to the side surface of the steel column 2 parallel to the surface of the ladder 5, and the mounting pieces 41. It consists of a supporting rod 42 of an angle material to be fixed, and is connected by bolts. Side beam for support rod 42
A pair of receiving portions 43 are drilled so as to sandwich 51,
It is gripped by bolts 44. Since the entire weight of the ladder 5 is supported by the upper supporting device 10, the lower bracket 40
Suffices only for the positioning function, and gives the climbing opening of the ladder 5 an appropriate inclination.
本考案の工事用梯子の支持装置10は上記の実施例に限
定されないことはもちろんであり、例えば、把持金具20
の本体部21と可動片22とは、折曲形状を入れ替えて梯子
５の側桁51を抱持することができる。また、それらの結
合は一側におけるボルト24に代えて、本体部21の一端に
おいて蝶番式に結合してもよい。さらに、把持金具20の
連結部25を平板のまま延長してＵ字形の受部を廃しても
よく、また、把持金具20と取付杆材30との結合ボルト26
による枢着を、直接固着して接続することもできる。The support device 10 of the construction ladder of the present invention is not limited to the above-described embodiment.
The main body 21 and the movable piece 22 can hold the side spar 51 of the ladder 5 by exchanging the bent shape. In addition, instead of the bolts 24 on one side, they may be hingedly connected at one end of the main body 21. Further, the U-shaped receiving portion may be omitted by extending the connecting portion 25 of the gripping metal 20 as a flat plate, and the connecting bolt 26 between the gripping metal 20 and the mounting rod 30 may be omitted.
Can be directly fixedly connected.
上記の構成になる本考案の工事用梯子の支持装置の作
用をその使用方法に基づいて説明する。梯子５には、把
持金具20の本体部21の受座28を最上部の踏子52の下方に
当接して、予め把持金具20と取付杆材30を組付けた支持
訴追10を梯子５の把持状態に固着しておき、梯子５を吊
り上げ、まず、取付杆材30の蝶ねじ35を調節して係着鉤
部38を構造躯体の鉄骨梁３に係着する。ついで蝶ねじ35
を螺進させると、鉤部36を反力点として把持金具20が鉄
骨梁３側に引き付けられ、側桁51が鉄骨梁３に当接し
て、梯子５が安定して支持される。このとき把持金具20
と取付杆材30との接続が、ボルト26によって回動自在で
あるから、把持金具20の受座28の高さを、調節すること
ができ、あるいは、取付杆材30の係着鉤部38を、鉤部36
を上向きにすることによって、鉄骨梁３の下方のフラン
ジ39に係着させ、最寄りの踏子52に対応させることもで
きる。The operation of the construction ladder support device of the present invention having the above-described structure will be described based on the method of use. On the ladder 5, a support 28 of the main body 21 of the gripping metal fitting 20 abuts below the uppermost step 52, and the support rod 10 in which the gripping metal 20 and the mounting rod 30 are assembled in advance is used to attach The ladder 5 is lifted up while being fixed in a gripped state, and first, the thumb screw 35 of the mounting rod 30 is adjusted so that the engaging hook portion 38 is engaged with the steel beam 3 of the structural body. Then thumbscrew 35
Is screwed, the gripping metal 20 is attracted toward the steel beam 3 with the hook 36 as a reaction force point, the side beam 51 abuts on the steel beam 3, and the ladder 5 is stably supported. At this time, the grip 20
Since the connection between the mounting rod 30 and the mounting rod 30 is rotatable by the bolt 26, the height of the receiving seat 28 of the grip 20 can be adjusted, or the engaging hook 38 of the mounting rod 30 can be adjusted. The hook 36
Can be engaged with the lower flange 39 of the steel beam 3 to correspond to the nearest foot step 52.
梯子５を構造躯体に架設するときには、支持装置10の
使用方法は上記の順序に限ることはなく、把持金具20と
取付杆材30とを、それぞれ梯子５と鉄骨梁３とに別個に
取付けたのちに、ボルト26によって結合するようにして
もよく、また、支持装置10の全体を梁３側に先付けし、
可動片22による側桁51の抱持で支持を完結させるように
してもよい。これらの作業に前後して当該梯子５を使用
することもできる。When the ladder 5 is erected on the structural frame, the method of using the support device 10 is not limited to the above-described order, and the grip metal 20 and the mounting rod 30 are separately mounted on the ladder 5 and the steel beam 3, respectively. Then, the support device 10 may be connected to the beam 3 side by bolts 26,
The support may be completed by holding the side beam 51 by the movable piece 22. The ladder 5 can be used before or after these operations.
［考案の効果］ 本考案は、建築物の躯体の建方に使用される梯子を構
造躯体の鉄骨梁に固定支持するための支持装置におい
て、該支持装置は、梯子を支持する把持金具と、この把
持金具に連結して鉄骨梁に係着する取付杆材とからな
り、把持金具は、梯子の側桁に直交して添設する長さの
本体部と、本体部に平行し側桁を抱持するように折曲形
成した可動片とからなり、取付杆材の一端部を把持金具
に接続し、他端には鉄骨梁に係着する鉤部を杆材の長さ
方向に位置調節可能に設け、鉤部と梯子の側桁とで鉄骨
梁を挾持するようにしたことを特徴とするので、梯子の
構成に対応して製作することができ、費用は低廉であ
る。また、梯子の支持は支持装置の組立だけで行われる
から、架設支持にも、解体撤去にも溶接作業等が不要で
あり、作業性がよく、安全性にも優れており、とくに、
高所作業の危険が避けられる効果が大きく、建設工事に
とって誠に寄与するところが大きい考案ということがで
きる。[Effects of the Invention] The present invention relates to a support device for fixedly supporting a ladder used for constructing a skeleton of a building to a steel beam of a structural skeleton, wherein the support device includes a gripping metal for supporting the ladder, It consists of a mounting rod that is connected to this gripping metal and engages with the steel beam.The gripping metal has a main body with a length attached perpendicular to the side spar of the ladder, and a side spar parallel to the main body. It consists of a movable piece bent so as to hold it. One end of the mounting rod is connected to the gripping metal, and the other end is hooked to the steel beam to adjust the position in the length direction of the rod. Since the steel beam is sandwiched between the hooks and the side spar of the ladder, it can be manufactured according to the configuration of the ladder, and the cost is low. Also, since the support of the ladder is performed only by assembling the support device, welding work etc. is not necessary for erection support and dismantling removal, workability is good and safety is excellent, especially,
It can be said that the present invention has a great effect of avoiding the danger of working at heights, and has a great effect on the construction work.
図面は本考案の実施例を示し、第１図は本考案の支持装
置を示す平面図、第２図は同側面図、第３図は把持金具
の平面部、第４図は同正面図、第５図は可動片の平面
図、第６図は同正面図、第７図は下部金具を示す平面図
であり、第８図、第９図は建築物の一部を含む梯子の側
面図と正面図である。 １……建築物、２……鉄骨柱、３……鉄骨梁、４……床
面、５……梯子、10……支持装置、上部金具、20……把
持金具、21……本体部、22……可動片、23……ボルト
孔、24……ボルト、25……連結部、26……ボルト、27…
…ボルト孔、28……受座、30……取付杆材、31……軸ボ
ルト、32……一端部、33……他端、34……ねじ切り、35
……蝶ねじ、36……鉤部、37……長ナット、38……係着
鉤部、39……フランジ、40……下部金具、41……取付
片、42……支持杆、43……受部、44……ボルト、51……
側桁、52……踏子、53……蝶番。Drawings show an embodiment of the present invention, FIG. 1 is a plan view showing a support device of the present invention, FIG. 2 is a side view thereof, FIG. 3 is a plane part of a holding fixture, FIG. 5 is a plan view of a movable piece, FIG. 6 is a front view of the same, FIG. 7 is a plan view showing a lower bracket, and FIGS. 8 and 9 are side views of a ladder including a part of a building. And a front view. DESCRIPTION OF SYMBOLS 1 ... Building, 2 ... Steel column, 3 ... Steel beam, 4 ... Floor surface, 5 ... Ladder, 10 ... Supporting device, Upper bracket, 20 ... Grasping bracket, 21 ... Main body, 22 ... movable piece, 23 ... bolt hole, 24 ... bolt, 25 ... connecting part, 26 ... bolt, 27 ...
... Bolt hole, 28 ... Seat, 30 ... Mounting rod, 31 ... Shaft bolt, 32 ... One end, 33 ... Other end, 34 ... Thread cutting, 35
… Thumbscrew, 36… hook, 37… long nut, 38… engaging hook, 39… flange, 40… lower bracket, 41… mounting piece, 42… support rod, 43… … Receiving part, 44 …… Bolt, 51 ……
Side girders, 52 ... steps, 53 ... hinges.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭62−174452（ＪＰ，Ａ) 特開 平３−217591（ＪＰ，Ａ) 実開 昭62−36200（ＪＰ，Ｕ) ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-62-174452 (JP, A) JP-A-3-2177591 (JP, A) JP-A 62-36200 (JP, U)
Claims (1)
造躯体の鉄骨梁に固定支持するための支持装置におい
て、該支持装置は、梯子を支持する把持金具と、この把
持金具に連結して鉄骨梁に係着する取付杆材とからな
り、把持金具は、梯子の側桁に直交して添設する長さの
本体部と、本体部に平行し側桁を抱持するように折曲形
成した可動片とからなり、取付杆材の一端部を把持金具
に接続し、他端には鉄骨梁に係着する鉤部を杆材の長さ
方向に位置調節可能に設け、鉤部と梯子の側桁とで鉄骨
梁を挾持するようにしたことを特徴とする工事用梯子の
支持装置。1. A supporting device for fixing and supporting a ladder used for constructing a skeleton of a building to a steel beam of a structural skeleton, the supporting device includes: a gripping metal for supporting the ladder; It consists of a mounting rod that is connected and engaged with the steel beam, and the gripping metal is attached so as to be orthogonal to the side spar of the ladder and a side spar parallel to the main body and holding the side spar. It is composed of a movable piece bent and formed, and one end of the mounting rod is connected to the gripping fitting, and a hook engaging with the steel beam is provided at the other end so as to be adjustable in the length direction of the rod, A support device for a construction ladder, wherein a steel beam is sandwiched between a hook portion and a side beam of the ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990097363U JP2527116Y2 (en) | 1990-09-17 | 1990-09-17 | Construction ladder support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990097363U JP2527116Y2 (en) | 1990-09-17 | 1990-09-17 | Construction ladder support device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0453951U JPH0453951U (en) | 1992-05-08 |
| JP2527116Y2 true JP2527116Y2 (en) | 1997-02-26 |
Family
ID=31837664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990097363U Expired - Fee Related JP2527116Y2 (en) | 1990-09-17 | 1990-09-17 | Construction ladder support device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2527116Y2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60128230A (en) * | 1983-12-13 | 1985-07-09 | Sumitomo Metal Ind Ltd | Production of vanadium |
| JPS62174452A (en) * | 1986-01-27 | 1987-07-31 | 株式会社 カンサカ | Ladder mount apparatus |
| JPH0213960A (en) * | 1988-07-01 | 1990-01-18 | Toshiba Corp | Method for cleaning aluminum drum to be coated by organic photoconductive film |
-
1990
- 1990-09-17 JP JP1990097363U patent/JP2527116Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0453951U (en) | 1992-05-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |