JPH0428366Y2 - - Google Patents
Info
- Publication number
- JPH0428366Y2 JPH0428366Y2 JP4114885U JP4114885U JPH0428366Y2 JP H0428366 Y2 JPH0428366 Y2 JP H0428366Y2 JP 4114885 U JP4114885 U JP 4114885U JP 4114885 U JP4114885 U JP 4114885U JP H0428366 Y2 JPH0428366 Y2 JP H0428366Y2
- Authority
- JP
- Japan
- Prior art keywords
- hanging
- tightening
- fitting
- lever
- frame
- 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
Links
- 239000002184 metal Substances 0.000 description 12
- 210000000078 claw Anatomy 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
- Movable Scaffolding (AREA)
Description
【考案の詳細な説明】
産業上の利用分野
この考案は、梁等に吊下する吊り足場の吊り下
げ装置に関する。[Detailed Description of the Invention] Industrial Application Field This invention relates to a hanging device for a suspended scaffold suspended from a beam or the like.
従来技術およびその問題点
プレートガーダー若しくはトランスからなる主
桁形式の橋梁において、主桁の保守・点検に際
し、吊り下げ装置を介した足場がよく使用され
る。Prior Art and its Problems In main girder type bridges consisting of plate girders or transformers, scaffolding via hanging devices is often used during maintenance and inspection of the main girders.
足場の設置に際し、従来吊り足場を主桁に吊り
下げるための吊り下げ金具が種々考案されている
が、その多くは主桁の下部フランジの縁端部を上
下より締付ボルトによつて挟み付ける構成のもの
である。 When installing a scaffold, a variety of hanging fittings have been devised to hang the scaffold from the main girder, but most of them are made by clamping the edge of the lower flange of the main girder with tightening bolts from above and below. It is of composition.
しかし、いずれも上下方向の動きに対してはき
わめて強いが、横方向の動きに対してはきわめて
弱いため、横ずれして主桁の下部フランジより外
れる恐れがあり、安全上きわめて問題があつた。 However, although they are extremely strong against vertical movement, they are extremely weak against lateral movement, which poses a serious safety problem as there is a risk of them shifting sideways and coming off the lower flange of the main girder.
かかる問題を解消するため上下より挟み付け、
さらに左右からも締付金具によつて挟み付ける構
成の吊り下げ金具も考案されているが、これでは
上下方向の締付ボルトと横方向の締付ボルトの両
方を締付ける必要があり、締付金具をいくつも使
用する場合には、取扱いがきわめて面倒であつ
た。 In order to solve this problem, sandwich it from the top and bottom,
Furthermore, a hanging bracket has been devised in which it is clamped from both the left and right sides by clamping brackets, but with this it is necessary to tighten both the vertical tightening bolts and the horizontal tightening bolts. When using multiple units, handling is extremely troublesome.
考案の目的
この考案は、前記従来の問題点を解消するため
に提案されたもので、強度および安全度がきわめ
て高く、しかも足場の設置および撤去に際し、き
わめて取扱い簡単な吊り足場の枠等に使用する吊
り下げ装置を提供することを目的とする。Purpose of the invention This invention was proposed to solve the above-mentioned conventional problems.It has extremely high strength and safety, and can be used for hanging scaffold frames, etc., which is extremely easy to handle when setting up and removing scaffolding. The purpose of the present invention is to provide a hanging device for
考案の構成
この考案は吊り足場枠９の上端横部材１０の左
右両端部に吊り下げ金具２、レバー３及びレバー
３を締め付ける締付金具４をそれぞれ設け、前記
吊り下げ金具２とレバー３とにフツク２ａとてこ
部３ａとを、両者で梁１３の下部フランジ１３ａ
の縁端部を上下より挟持しうるように設け、か
つ、前記締付金具４を締付けボルト４ａと締付け
ナツト５より前記レバー３のてこ部３ａが前記フ
ツク２ａ側に回転しうるように構成することによ
り前記目的を達成するものである。Structure of the invention In this invention, a hanging fitting 2, a lever 3, and a tightening fitting 4 for tightening the lever 3 are provided at both left and right ends of the upper horizontal member 10 of the hanging scaffold frame 9, and the hanging fitting 2 and the lever 3 are connected to each other. The hook 2a and the lever part 3a are both attached to the lower flange 13a of the beam 13.
The edge of the lever 3 is provided so that it can be pinched from above and below, and the tightening fitting 4 is configured so that the lever 3a of the lever 3 can be rotated toward the hook 2a by means of a tightening bolt 4a and a tightening nut 5. This achieves the above objective.
実施例
以下、この考案を図示する一実施例によつて説
明すると、吊り足場枠の吊り下げ装置１には、少
なくとも吊り下げ金具２、てこ部３ａ、締付金具
４として締付ボルト４ａおよび締付ナツト５が取
付けられ、前記吊り下げ金具２は吊り金具２ｂと
レバー３より構成されている。Embodiment Hereinafter, this invention will be explained with reference to an embodiment illustrating the present invention.The suspension device 1 for a suspended scaffold frame includes at least a hanging fitting 2, a lever portion 3a, a tightening bolt 4a as a tightening fitting 4, and a tightening bolt 4a as a tightening fitting 4. A locking nut 5 is attached, and the hanging metal fitting 2 is composed of a hanging metal fitting 2b and a lever 3.
吊り金具２ｂは、真上に開口するＵ字型に形成
され、その上端部にはフツク２ａ，２ａが形成さ
れている。 The hanging fitting 2b is formed in a U-shape that opens directly above, and has hooks 2a, 2a formed at its upper end.
また、レバー３，３は逆Ｌ字型に形成され、吊
り金具２ｂの左右両側に取付ボルト６によつて回
動自在にボルト止めされ、さらに左右レバー３，
３の下端部は、この部分にスペーサー７を介在す
るとともにボルト８によつて連結され、締付ボル
ト４ａに対し、吊り下げ金具２が摺動自在となつ
ている。左右レバー３，３の上端折曲部は吊り下
げ金具２のフツク２ａ，２ａと対向するてこ部３
ａ，３ａとなつている。 Further, the levers 3, 3 are formed in an inverted L shape, and are rotatably bolted to the left and right sides of the hanging fitting 2b with mounting bolts 6, and furthermore, the left and right levers 3,
A spacer 7 is interposed in the lower end portion of the holder 3, and the lower end portion of the holder 3 is connected by a bolt 8, so that the hanging fitting 2 is slidable with respect to the tightening bolt 4a. The bent portions of the upper ends of the left and right levers 3, 3 are lever portions 3 facing the hooks 2a, 2a of the hanging fitting 2.
a, 3a.
このように構成された吊り金具２ｂおよび左右
レバー３，３は吊り足場枠９の上端横部材１０の
左右両側に吊り金具２ｂと取付ボルト６間に上端
横部材１０を挿通することにより取付けられてい
る（図面では片側のみ図示第１図参照）。 The hanging fittings 2b and left and right levers 3, 3 configured in this way are attached to both left and right sides of the upper end horizontal members 10 of the hanging scaffold frame 9 by inserting the upper end horizontal members 10 between the hanging fittings 2b and the mounting bolts 6. (Only one side is shown in the drawing, see Figure 1).
かかる場合、両側吊り下げ金具２，２のフツク
２ａ，２ａおよび左右レバー３，３のてこ部３
ａ，３ａは向い合い、さらに、両側吊り金具２
ｂ，２ｂはレバー３，３とともに上端横部材１０
の長手方向に自由に摺動することが可能とされて
いる。 In such a case, the hooks 2a, 2a of the hanging fittings 2, 2 on both sides and the levers 3 of the left and right levers 3, 3
a and 3a face each other, and both side hanging fittings 2
b, 2b are attached to the upper end horizontal member 10 along with the levers 3, 3.
It is possible to freely slide in the longitudinal direction.
スペーサー７，７のほぼ中央部には小孔７ａ，
７ａが形成され、この小孔７ａ，７ａに比較的長
い締付ボルト４ａ，４ａがそれぞれ挿通されてい
る。 A small hole 7a is located approximately in the center of the spacers 7, 7.
7a is formed, and relatively long tightening bolts 4a, 4a are inserted through these small holes 7a, 7a, respectively.
左右締付ボルト４ａ，４ａの内側端部は上端横
部材１０のほぼ中央部に固定ボルト１１によつて
ボルト止めされた固定金具１２に回動自在に連結
されている。また、左右締付ボルト４ａ，４ａの
外側端部又は中央部付近には締付ナツト５，５
（以下、蝶ナツトという。）が螺合され、締付金具
４を形成している。 The inner end portions of the left and right tightening bolts 4a, 4a are rotatably connected to a fixing metal fitting 12 bolted to a substantially central portion of the upper end horizontal member 10 by a fixing bolt 11. Further, tightening nuts 5, 5 are provided near the outer ends or the center of the left and right tightening bolts 4a, 4a.
(hereinafter referred to as a wing nut) are screwed together to form a fastening fitting 4.
かかる構成において、吊り下げ金具２における
吊り金具２ｂのフツク２ａとレバー３のてこ部３
ａ間にプレートガーダー等、梁１３の下部フラン
ジ１３ａの左右縁端部を係合するとともに蝶ナツ
ト５，５を強く締付けることによりフツク２ａと
てこ部３ａ間で下部フランジ１３ａの縁端部を強
く挟持することができる。その結果として、吊り
下げ装置全体のがたつき、横ずれ等を防止し、吊
り足場枠９を強固に、かつ安全に吊り下げること
ができる。 In such a configuration, the hook 2a of the hanging fitting 2b of the hanging fitting 2 and the lever portion 3 of the lever 3
By engaging the left and right edges of the lower flange 13a of the beam 13 with a plate girder or the like between the hooks 2a and the lever portion 3a, the edges of the lower flange 13a are strongly tightened between the hook 2a and the lever portion 3a. Can be held. As a result, the entire hanging device can be prevented from wobbling, lateral shifting, etc., and the hanging scaffold frame 9 can be hung firmly and safely.
なお、吊り足場枠９は、建枠１４と建枠１４の
下端部に起倒自在に連結された布枠１５とから構
成され、建枠１４の上端部と布枠１５の先端部間
にブレース１６，１６が架設されている。 The hanging scaffold frame 9 is composed of a construction frame 14 and a cloth frame 15 that is connected to the lower end of the construction frame 14 so as to be able to freely raise and lower. 16, 16 are being constructed.
ブレース１６，１６の両端部は建枠１４および
布枠１５に回動自在に連結されている。また、ブ
レース１６，１６は折曲自在もしくは伸縮自在に
構成されている。 Both ends of the braces 16, 16 are rotatably connected to the building frame 14 and the cloth frame 15. Further, the braces 16, 16 are configured to be bendable or extendable.
かかる構成において、吊り足場枠９は布枠１５
を起し、建枠２に沿わすことにより折りたためる
ようになつている。又、第９図の様に吊り足場枠
の代わりにチエーン１９を吊り下げ、このチエー
ン１９の下端部にパイプ等を連結して、作業足場
を形成してもよい。 In such a configuration, the hanging scaffold frame 9 has a cloth frame 15.
It can be folded by raising it up and aligning it with the building frame 2. Further, as shown in FIG. 9, a chain 19 may be suspended instead of the hanging scaffold frame, and a pipe or the like may be connected to the lower end of the chain 19 to form a working scaffold.
第７図は、この考案の他の実施例を示したもの
で以下説明すると、吊り下げ金具２の左右両側に
レバー３，３に代わるハート形の爪金具１７，１
７が取付ボルト６によつてボルト止めされてい
る。また、締付ボルト４ａ，４ａ外側端部は吊り
下げ金具２の下端部に突設された垂直部１８，１
８に貫通され、その貫通部分に蝶ナツト５，５が
螺合されている（片側のみを図示した）。 FIG. 7 shows another embodiment of this invention, which will be explained below. Heart-shaped claw metal fittings 17, 1 are provided on both left and right sides of the hanging metal fitting 2 in place of the levers 3, 3.
7 is bolted by a mounting bolt 6. Further, the outer end portions of the tightening bolts 4a, 4a are vertical portions 18, 1 protruding from the lower end portion of the hanging fitting 2.
8, and wing nuts 5, 5 are screwed into the penetrating portion (only one side is shown).
かかる構成において、吊り下げ金具２のフツク
２ａと爪金具１７間に梁１３の下部フランジ１３
ａの左右縁端部を係合するとともに爪金具１７の
凹部１７ａを下部フランジ１３ａのエツジ部１３
ｂに係合し、続いて蝶ナツト５を強く締付けるこ
とによりフツク２ａと爪金具１７のてこ部１７ｂ
間で下部フランジ１３ａの縁端部を強く挟持する
こができる。 In such a configuration, the lower flange 13 of the beam 13 is connected between the hook 2a of the hanging metal fitting 2 and the claw metal fitting 17.
While engaging the left and right edge portions of a, the recessed portion 17a of the claw metal fitting 17 is inserted into the edge portion 13 of the lower flange 13a.
b, and then by strongly tightening the wing nut 5, the hook 2a and the lever portion 17b of the claw metal fitting 17 are
The edge portion of the lower flange 13a can be strongly clamped between them.
第８図は、締付金具４の他の実施例にて、締付
ボルト４ａはウオームギヤー２４を介して固定金
具１２に係合しており、このウオームギヤー２４
にはハンドル等（図示せず）を取り付け、このハ
ンドル等にてウオームギヤー２４を回すことによ
り締付ボルト４ａを介して吊り下げ金具２を下部
フランジ１３ａに緊結するものであり、締付ボル
ト４ａ・ウオームギヤー２４に限定せず、ラツク
とピニオン形式としてもよい。 FIG. 8 shows another embodiment of the fastening fitting 4, in which the tightening bolt 4a is engaged with the fixing fitting 12 via a worm gear 24.
A handle or the like (not shown) is attached to the handle, and by turning the worm gear 24 with the handle or the like, the hanging fitting 2 is tightly connected to the lower flange 13a via the tightening bolt 4a.・It is not limited to the worm gear 24, but may be a rack and pinion type.
第９図は、締付金具４の他の実施例にて、締付
杆４ｂがレバー３と締付円体２１にピン結合さ
れ、締付円体２１に設けたハンドル２０にて締付
円体２１を回動させ、締付杆４ｂを介して吊り下
げ金具２を下部フランジ１３ａに緊結するもので
ある。締付ナツト２２は締付円体２１を所定位置
に固定するものである。 FIG. 9 shows another embodiment of the tightening fitting 4, in which the tightening rod 4b is pin-coupled to the lever 3 and the tightening circular body 21, and the tightening circle is tightened by the handle 20 provided on the tightening circular body 21. The body 21 is rotated to tightly connect the hanging fitting 2 to the lower flange 13a via the tightening rod 4b. The tightening nut 22 fixes the tightening circle 21 in a predetermined position.
考案の効果
この考案は、以上の構成からなるので、以下の
効果を有する。Effects of the invention Since this invention consists of the above configuration, it has the following effects.
構造的に上下方向および横方向の動きを確実
に防止することができるので、取付後、横ずれ
して外れる心配は全くなく、強度上および安全
上きわめてすぐれている。 Since the structure can reliably prevent movement in the vertical and lateral directions, there is no fear that it will shift laterally and come off after installation, and is extremely superior in terms of strength and safety.
また、吊り足場の設置および撤去に際し、片
側につき１個の締付ナツトの操作でよく、取扱
いがきわめて簡単である。 Furthermore, when installing and removing the suspended scaffold, only one tightening nut per side is required, making handling extremely easy.
第１図〜第６図は、この考案の一実施例を示し
たもので第１図は吊り下げ装置の正面図、第２
図、第３図は第１図における−線、−線
断面図、第４図は吊り下げ装置の取付状態を示す
吊り足場枠の斜視図、第５図および第６図はその
側面図および正面図、第７図、第８図および第９
図は吊り下げ装置の他の実施例を示す正面図であ
る。
１……吊り下げ装置、２……吊り下げ金具、３
……レバー、４……締付金具、４ａ……締付ボル
ト、４ｂ……締付杆、５……締付ナツト、６……
取付ボルト、７……スペーサー、８……ボルト、
９……吊り足場枠、１０……上端横部材、１１…
…固定ボルト、１２……固定金具、１３……梁、
１４……建枠、１５……布枠、１６……ブレー
ス、１７……爪金具、１８……垂直部、２ａ……
フツク、３ａ……てこ部、２ｂ……吊り金具、１
７ｂ……てこ部、１９……チエーン、２０……ハ
ンドル、２１……締付円体、２２……締付ナツ
ト、２３……ロープ、２４……ウオームギヤー。
Figures 1 to 6 show an embodiment of this invention. Figure 1 is a front view of the hanging device, Figure 2 is a front view of the hanging device,
Figures 3 and 3 are cross-sectional views taken along lines - and - in Figure 1, Figure 4 is a perspective view of the hanging scaffolding frame showing how the hanging device is attached, and Figures 5 and 6 are its side and front views. Figures 7, 8 and 9
The figure is a front view showing another embodiment of the hanging device. 1... Hanging device, 2... Hanging metal fittings, 3
...Lever, 4...Tightening metal fitting, 4a...Tightening bolt, 4b...Tightening rod, 5...Tightening nut, 6...
Mounting bolt, 7... Spacer, 8... Bolt,
9... Hanging scaffold frame, 10... Upper end horizontal member, 11...
...fixing bolt, 12...fixing metal fittings, 13...beam,
14... Building frame, 15... Cloth frame, 16... Brace, 17... Claw fitting, 18... Vertical part, 2a...
Hook, 3a...Lever part, 2b...Hanging bracket, 1
7b...Lever part, 19...Chain, 20...Handle, 21...Tightening circle, 22...Tightening nut, 23...Rope, 24...Worm gear.
Claims (1)
吊り下げ金具２、レバー３及び前記レバー３を締
め付ける締付金具４をそれぞれ設け、前記吊り下
げ金具２とレバー３とにフツク２ａとてこ部３ａ
とを、両者で梁１３の下部フランジ１３ａの縁端
部を上下より挟持しうるように設け、かつ、前記
締付金具４を締付けボルト４ａと締付けナツト５
より前記レバー３のてこ部３ａが前記フツク２ａ
側に回転しうるように構成してあることを特徴と
する吊り足場の吊り下げ装置。 A hanging fitting 2, a lever 3, and a tightening fitting 4 for tightening the lever 3 are provided at both left and right ends of the upper horizontal member 10 of the hanging scaffold frame 9, and the hanging fitting 2 and lever 3 are provided with a hook 2a and a lever portion. 3a
are provided so that they can hold the edge of the lower flange 13a of the beam 13 from above and below, and the tightening fitting 4 is connected to the tightening bolt 4a and the tightening nut 5.
Therefore, the lever portion 3a of the lever 3 is connected to the hook 2a.
A hanging device for a suspended scaffold, characterized in that it is configured to be able to rotate to the side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4114885U JPH0428366Y2 (en) | 1985-03-22 | 1985-03-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4114885U JPH0428366Y2 (en) | 1985-03-22 | 1985-03-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61157648U JPS61157648U (en) | 1986-09-30 |
| JPH0428366Y2 true JPH0428366Y2 (en) | 1992-07-09 |
Family
ID=30550700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4114885U Expired JPH0428366Y2 (en) | 1985-03-22 | 1985-03-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0428366Y2 (en) |
-
1985
- 1985-03-22 JP JP4114885U patent/JPH0428366Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61157648U (en) | 1986-09-30 |
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