JP2006117381A - Lifting anchor and lifting method - Google Patents

Lifting anchor and lifting method Download PDF

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JP2006117381A
JP2006117381A JP2004307325A JP2004307325A JP2006117381A JP 2006117381 A JP2006117381 A JP 2006117381A JP 2004307325 A JP2004307325 A JP 2004307325A JP 2004307325 A JP2004307325 A JP 2004307325A JP 2006117381 A JP2006117381 A JP 2006117381A
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anchor
lifting
hole
tip
panel
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Fumihiko Nakamura
中村　　文彦
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Sumitomo Metal Mining Siporex KK
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Sumitomo Metal Mining Siporex KK
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a safe lifting anchor for an ALC panel, which is superior in work easiness, while easily attaching and detaching the lifting anchor, when lifting the panel, and a lifting method of the ALC panel using this anchor. <P>SOLUTION: This lifting anchor is composed of anchor bar steel formed by bending one tip in a U shape and a long nut body having a through-hole on the tip, and is formed by penetrating the anchor bar steel through a through-hole on the tip of the long nut body. The lifting method of the panel comprises arranging the long nut inserting vertical hole in a short side edge of a lightweight cellular concrete panel, arranging the anchor bar steel penetrating horizontal hole penetrating orthogonally to the vertical hole tip in the long side edge of the panel, setting up the lifting anchor by inserting a long nut and the anchor bar steel from a vertical hole and a horizontal hole, and inserting a bending part of the anchor bar steel in a long side edge of the panel for fixing. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、軽量気泡コンクリートパネルを施工現場などにおいて吊り上げる際に用いる、パネル吊り上げ用の吊り上げアンカーと吊り上げ方法に関するものである。   The present invention relates to a lifting anchor for lifting a panel and a lifting method used when lifting a lightweight cellular concrete panel at a construction site or the like.

従来、軽量気泡コンクリートパネル（以下、ＡＬＣパネルともいう）を吊り上げる方法としては、図４に示すように先端部に貫通穴７ａが穿設され、他端にネジ穴７ｂが設けられた長ナット体７の貫通穴７ａに、アンカー棒鋼９を挿通した吊り上げアンカー２０が知られている。この吊り上げアンカー２０を使用してＡＬＣパネルを吊り上げるには、図５に示すように、ＡＬＣパネル１の上部小口１ａに、前記長ナット体７を挿入するための縦孔１５を垂直に穿設し、ＡＬＣパネル１の側面小口１ｂには前記アンカー棒鋼９を挿入するための横孔１６を水平に、前記縦孔１５の先端を貫通して穿設しておく。次いでＡＬＣパネル１の上部小口１ａから前記縦孔１５に長ナット体７を挿入し、ＡＬＣパネル１の側面小口１ｂから横孔１６に前記アンカー棒鋼９を挿入して、長ナット体７先端部の貫通穴７ａを挿通させて、長ナット体７とアンカー棒鋼材９を係合する。
しかる後、長ナット体７の頂部にアイボルトを螺着し、該アイボルトの吊輪にワイヤーを取付けることにより、ＡＬＣパネル１を吊り上げる方法が提案されている（例えば、特許文献１参照。）。
特開平４−８０１９６号公報 Conventionally, as a method of lifting a lightweight cellular concrete panel (hereinafter also referred to as an ALC panel), as shown in FIG. 4, a long nut body in which a through hole 7a is drilled at the tip and a screw hole 7b is provided at the other end. A lifting anchor 20 in which an anchor bar 9 is inserted into a through hole 7a is known. In order to lift the ALC panel using the lifting anchor 20, as shown in FIG. 5, a vertical hole 15 for inserting the long nut body 7 is vertically formed in the upper fore edge 1 a of the ALC panel 1. In the side edge 1b of the ALC panel 1, a horizontal hole 16 for inserting the anchor steel bar 9 is drilled horizontally and penetrating the tip of the vertical hole 15. Next, the long nut body 7 is inserted into the vertical hole 15 from the upper edge 1a of the ALC panel 1, and the anchor bar 9 is inserted into the lateral hole 16 from the side edge 1b of the ALC panel 1, so that the end of the long nut body 7 is The long nut body 7 and the anchor bar steel material 9 are engaged with each other through the through hole 7a.
Thereafter, a method of lifting the ALC panel 1 by screwing an eye bolt onto the top of the long nut body 7 and attaching a wire to a suspension ring of the eye bolt has been proposed (see, for example, Patent Document 1).
Japanese Patent Laid-Open No. 4-80196

上記吊り上げ方法においては、ＡＬＣパネルをワイヤーで吊り上げる際に長ナット体７の先端部の貫通穴７ａに挿通させたアンカー棒鋼９が抜け落ちることがあるという欠点を有している。
アンカー棒鋼９は長ナット体７先端部の貫通穴７ａに挿通しただけなので、貫通穴７ａに挿通されたアンカー棒鋼９の長さが短い場合には、ワイヤーの張力が緩んだ場合などにはアンカー棒鋼９が抜け落ちることがある。
そこで本発明の目的は、パネルの吊り上げの際に吊り上げアンカーの脱着が容易で、さらに安全でかつ作業性の良いＡＬＣパネル用の吊り上げアンカー、およびそれを用いたＡＬＣパネルの吊り上げ方法を提供することにある。 The above lifting method has a drawback that the anchor bar 9 inserted through the through hole 7a at the tip of the long nut body 7 may fall off when the ALC panel is lifted with a wire.
Since the anchor bar 9 is only inserted through the through hole 7a at the tip of the long nut body 7, the anchor bar 9 inserted through the through hole 7a is short, and the anchor is anchored when the wire tension is loosened. The steel bar 9 may fall off.
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a lifting anchor for an ALC panel, which is easy to detach and attach the lifting anchor when the panel is lifted, and which is safe and good in workability, and a method for lifting an ALC panel using the lifting anchor. It is in.

上記課題を解決するため本発明の吊り上げアンカーは、軽量気泡コンクリートパネルを吊り上げるための吊り上げアンカーであって、一方の先端がコの字状に折り曲げられてなるアンカー棒鋼と、先端に貫通穴を有する長ナット体からなり、該長ナット体の先端の貫通穴に前記アンカー棒鋼を貫通させてなる吊り上げアンカーとした。
本発明の吊り上げアンカーにあっては、前記貫通穴を貫通した部分のアンカー棒鋼の長さを、アンカー棒鋼全長の４分の１以上とするのが好ましい。
吊り上げアンカーを上記のように構成することにより、軽量気泡コンクリートパネルを吊り上げた際にアンカー棒鋼が抜け落ちるのを防ぐことができる。 In order to solve the above-mentioned problems, the lifting anchor of the present invention is a lifting anchor for lifting a lightweight cellular concrete panel, and has an anchor bar steel whose one end is bent in a U shape and a through hole at the end. A lifting anchor is made of a long nut body, and the anchor bar steel is passed through a through hole at the tip of the long nut body.
In the lifting anchor of the present invention, it is preferable that the length of the anchor steel bar in the portion penetrating the through hole is at least one quarter of the total length of the anchor steel bar.
By configuring the lifting anchor as described above, it is possible to prevent the anchor bar from falling off when the lightweight cellular concrete panel is lifted.

また、本発明の軽量気泡コンクリートパネルの吊り上げ方法は、軽量気泡コンクリートパネルの短辺小口には長ナット体挿入用の縦孔を設け、軽量気泡コンクリートパネルの長辺小口には前記縦孔先端と直交貫通する前記アンカー棒鋼貫通用の横孔を設け、前記縦孔に先端に貫通穴を有する長ナット体を挿入し、前記横孔に一方の先端がコの字状に折り曲げられてなるアンカー棒鋼を長ナット体先端の貫通穴に貫通させて挿入し、アンカー棒鋼先端のコの字状の折り曲げ部分を軽量気泡コンクリートパネルの長辺小口に食い込ませて固定した後、前記長ナット体にボルトあるいはアイボルトを螺結しワイヤーを懸けてパネルを吊り上げる軽量気泡コンクリートパネルの吊り上げ方法とした。
本発明の軽量気泡コンクリートパネルの吊り上げ方法においては、前記アンカー棒鋼先端のコの字状の折り曲げ部分を軽量気泡コンクリートパネルの長辺小口に食い込ませて固定するに際し、該長辺小口に溝と窪みを設けて前記アンカー棒鋼先端のコの字状の折り曲げ部分を収納するのが好ましい。 Further, in the method of lifting the lightweight cellular concrete panel according to the present invention, a vertical hole for inserting a long nut body is provided in a short side edge of the lightweight cellular concrete panel, and a tip of the vertical hole is provided in a long side edge of the lightweight cellular concrete panel. An anchor bar steel which is provided with a transverse hole for penetrating the anchor bar steel penetrating at right angles, a long nut body having a through hole at the tip is inserted into the vertical hole, and one tip is bent into a U shape in the horizontal hole. Is inserted through the through hole at the tip of the long nut body, and the U-shaped bent part at the tip of the anchor steel bar is inserted into the long edge of the lightweight cellular concrete panel and fixed, and then the bolt or The lightweight cellular concrete panel was lifted by eyebolts and wire hung to lift the panel.
In the method for lifting the lightweight cellular concrete panel according to the present invention, when the U-shaped bent portion at the tip of the anchor steel bar is bitten into the long side edge of the lightweight cellular concrete panel and fixed, a groove and a recess are formed in the long side edge. It is preferable to provide a U-shaped bent portion at the tip of the anchor bar.

本発明の軽量気泡コンクリートパネル用吊り上げアンカーは、形状構造が簡単で、軽量であり容易にかつ短時間でＡＬＣパネルに固定することができる。そのため、ＡＬＣパネル吊り上げの作業性が非常に向上したものとなる。また、前記吊り上げアンカーは、吊り上げ後はＡＬＣパネルから外して他のパネルの吊り上げアンカーとして繰り返して使用することが出来るために経済的である。また、ＡＬＣパネルをボルトで螺結されるので、安全な吊り上げ作業ができるという優れた効果がある。
本発明の軽量気泡コンクリートパネルの吊り上げ方法は、上述の吊り上げアンカーを使用するので上記の効果の他に吊り上げアンカーが脱落することはなく、作業の安全性が確保できるようになる。 The lifting anchor for lightweight cellular concrete panel of the present invention has a simple shape structure, is lightweight, and can be easily fixed to an ALC panel in a short time. For this reason, the workability of lifting the ALC panel is greatly improved. The lifting anchor is economical because it can be removed from the ALC panel after being lifted and used repeatedly as a lifting anchor for other panels. Further, since the ALC panel is screwed with a bolt, there is an excellent effect that a safe lifting work can be performed.
The lifting method of the lightweight cellular concrete panel according to the present invention uses the above-described lifting anchor, so that the lifting anchor does not fall out in addition to the above effects, and the safety of work can be ensured.

本発明の実施の形態を図に基づいて説明する。
図１は、本発明の軽量気泡コンクリートパネル用の吊り上げアンカーの一実施形態を示す外観斜視図である。この吊り上げアンカー１０は、先端に貫通穴２ａを有し上端にネジ穴２ｂを有する長ナット体２と、一方の先端がコの字状に折り曲げられてなるアンカー棒鋼３から構成されている。アンカー棒鋼３の直径は長ナット体７先端の貫通穴２ａの内径よりも細く、アンカー棒鋼３は貫通穴２ａ内に長ナット体２と直交するように貫通させてある。パネルを吊り上げた時にアンカー棒鋼が抜け落ちるのを防ぐために、貫通穴２ａを貫通したアンカー棒鋼３の長さＬ´は、アンカー棒鋼３の全長Ｌの４分の１以上とることが好ましい。アンカー棒鋼３先端のコの字状の折り曲げ部３ａの形状には特に制限はなく、軽量気泡コンクリートパネル加工の板厚の範囲内で、曲げ加工しやすい寸法で折り曲げ加工したものであればよい。折り返し部分もパネル小口にひっかかる程度有れば充分である。 Embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is an external perspective view showing an embodiment of a lifting anchor for a lightweight cellular concrete panel according to the present invention. The lifting anchor 10 includes a long nut body 2 having a through hole 2a at the tip and a screw hole 2b at the top, and an anchor bar 3 formed by bending one tip into a U-shape. The diameter of the anchor bar 3 is thinner than the inner diameter of the through hole 2a at the tip of the long nut body 7, and the anchor bar 3 is passed through the through hole 2a so as to be orthogonal to the long nut body 2. In order to prevent the anchor bar steel from falling off when the panel is lifted, it is preferable that the length L ′ of the anchor steel bar 3 penetrating the through hole 2 a is not less than ¼ of the total length L of the anchor bar steel 3. There is no restriction | limiting in particular in the shape of the U-shaped bending part 3a of the anchor steel bar 3, and what is necessary is just to be bent by the dimension which is easy to bend within the range of the plate | board thickness of lightweight cellular concrete panel processing. It suffices if the folded portion is caught in the panel edge.

図２は、上記本発明の軽量気泡コンクリートパネル用の吊り上げアンカー１０を使用して、軽量気泡コンクリートパネルを吊り上げる方法を説明する図である。
先ず、軽量気泡コンクリートパネル１の上部に小口１ａに、前記長ナット体２を挿入するための縦孔１５を垂直に穿設し、側面小口１ｂには前記アンカー棒鋼３を挿入するための横孔１６を水平に、前記縦孔１５の先端を貫通させて穿設しておく。
縦孔１５の位置は軽量気泡コンクリートパネル１の上面小口１ａの中心に設ける。また、横孔１６の位置は、側面小口１ｂ上でその中心線が長ナット体２先端の貫通穴２ａの中心を貫く位置とする。
さらに、側面小口１ｂには前記アンカー棒鋼３先端のコの字状の折り曲げ部３ａが嵌る溝１７及び窪み１８を穿設しておく。
以上のように加工した軽量気泡コンクリートパネル１を準備した後、軽量気泡コンクリートパネル１の上部小口１ａから前記縦孔１５に、吊り上げアンカーの長ナット体２を挿入し、軽量気泡コンクリートパネル１の側面小口１ｂの横孔１６に前記アンカー棒鋼３を挿入して、長ナット体２先端の貫通穴２ａにアンカー棒鋼３を貫通させて長ナット体２とアンカー棒鋼３を固定する。
次いで、軽量気泡コンクリートパネル１の側面小口１ｂに設けた溝１７及び窪み１８に、アンカー棒鋼３先端のコの字状の折り曲げ部３ａを嵌合させて、軽量気泡コンクリートパネル１とアンカー棒鋼３とを固定する。 FIG. 2 is a diagram illustrating a method for lifting a lightweight cellular concrete panel using the lifting anchor 10 for the lightweight cellular concrete panel of the present invention.
First, a vertical hole 15 for inserting the long nut body 2 is vertically drilled in the upper end of the lightweight cellular concrete panel 1 in the small opening 1a, and a horizontal hole for inserting the anchor bar 3 in the side small opening 1b. 16 is drilled horizontally through the tip of the vertical hole 15.
The position of the vertical hole 15 is provided at the center of the top edge 1 a of the lightweight cellular concrete panel 1. Moreover, the position of the horizontal hole 16 is a position where the center line passes through the center of the through hole 2a at the tip of the long nut body 2 on the side edge 1b.
Further, a groove 17 and a recess 18 into which the U-shaped bent portion 3a at the tip of the anchor bar 3 is fitted are formed in the side edge 1b.
After preparing the lightweight cellular concrete panel 1 processed as described above, the long nut body 2 of the lifting anchor is inserted into the vertical hole 15 from the upper edge 1a of the lightweight cellular concrete panel 1, and the side surface of the lightweight cellular concrete panel 1 is obtained. The anchor steel bar 3 is inserted into the lateral hole 16 of the small opening 1b, the anchor bar steel 3 is passed through the through hole 2a at the tip of the long nut body 2, and the long nut body 2 and the anchor steel bar 3 are fixed.
Next, the U-shaped bent portion 3a at the tip of the anchor bar 3 is fitted into the groove 17 and the recess 18 provided in the side edge 1b of the lightweight cellular concrete panel 1, and the lightweight cellular concrete panel 1 and the anchor bar 3 To fix.

軽量気泡コンクリートパネル１に吊り上げアンカーを固定した後、図３に示すように、吊り上げアンカー１０の長ナット体２前端のネジ穴２ｂにアイボルト１３を螺着し、該アイボルト１３の吊輪にワイヤー１９を取付けることにより、軽量気泡コンクリートパネル１を吊り上げる。
このような吊り上げ方法とすれば、パネルを吊り上げる際に吊り上げアンカーが脱落することはなく、作業の安全性が確保することができる。 After fixing the lifting anchor to the lightweight cellular concrete panel 1, as shown in FIG. The lightweight cellular concrete panel 1 is lifted by attaching.
With such a lifting method, the lifting anchor does not fall off when the panel is lifted, and work safety can be ensured.

本発明の吊り上げアンカーの一実施形態を示す外観斜視図である。It is an external appearance perspective view which shows one Embodiment of the lifting anchor of this invention. 軽量気泡コンクリートパネルを吊り上げる方法を説明するを示す図である。It is a figure which shows the method of lifting a lightweight cellular concrete panel. 軽量気泡コンクリートパネルを吊り上げた状態を示す図である。It is a figure which shows the state which lifted the lightweight cellular concrete panel. 従来の吊り上げアンカーの一実施形態を示す外観斜視図である。It is an external appearance perspective view which shows one Embodiment of the conventional lifting anchor. 従来の軽量気泡コンクリートパネルを吊り上げる方法を示す図である。It is a figure which shows the method of lifting the conventional lightweight cellular concrete panel.

符号の説明Explanation of symbols

１ 軽量気泡コンクリート（ＡＬＣ）パネル
２、７ 長ナット体
３、９ アンカー棒鋼
１０ 吊り上げアンカー
１５ 縦孔
１６ 横孔
１７ 溝
１８ 窪み
１９ ワイヤー


DESCRIPTION OF SYMBOLS 1 Lightweight cellular concrete (ALC) panel 2, 7 Long nut body 3, 9 Anchor steel bar 10 Lifting anchor 15 Vertical hole 16 Horizontal hole 17 Groove 18 Depression 19 Wire


Claims (4)

軽量気泡コンクリートパネルを吊り上げるための吊り上げアンカーであって、一方の先端がコの字状に折り曲げられてなるアンカー棒鋼と、先端に貫通穴を有する長ナット体からなり、該長ナット体の先端の貫通穴に前記アンカー棒鋼を貫通させてなることを特徴とする吊り上げアンカー。   A lifting anchor for lifting a lightweight cellular concrete panel, comprising an anchor bar steel whose one end is bent in a U-shape and a long nut body having a through-hole at the end. A lifting anchor characterized in that the anchor steel bar is passed through a through hole. 前記貫通穴を貫通した部分のアンカー棒鋼の長さが、アンカー棒鋼の全長の４分の１以上であることを特徴とする請求項１に記載の吊り上げアンカー。   The lifting anchor according to claim 1, wherein the length of the anchor bar steel in the portion penetrating the through hole is not less than ¼ of the total length of the anchor bar steel. 軽量気泡コンクリートパネルの短辺小口には長ナット体挿入用の縦孔を設け、軽量気泡コンクリートパネルの長辺小口には前記縦孔先端と直交貫通する前記アンカー棒鋼貫通用の横孔を設け、前記縦孔に先端に貫通穴を有する長ナット体を挿入し、前記横孔に一方の先端がコの字状に折り曲げられてなるアンカー棒鋼を長ナット体先端の貫通穴に貫通させて挿入し、アンカー棒鋼先端のコの字状の折り曲げ部分を軽量気泡コンクリートパネルの長辺小口に食い込ませて固定した後、前記長ナット体にボルトあるいはアイボルトを螺結しワイヤーを懸けてパネルを吊り上げることを特徴とする軽量気泡コンクリートパネルの吊り上げ方法。   A long hole for inserting a long nut body is provided in the short side edge of the lightweight cellular concrete panel, and a horizontal hole for penetrating the anchor bar steel penetrating perpendicularly to the tip of the longitudinal hole is provided in the long side edge of the lightweight cellular concrete panel. A long nut body having a through hole at the tip is inserted into the vertical hole, and an anchor steel bar having one end bent into a U-shape is inserted into the horizontal hole through the through hole at the tip of the long nut body. After fixing the U-shaped bent part of the tip of the anchor steel bar into the long side edge of the lightweight cellular concrete panel and fixing it, the bolt or eyebolt is screwed to the long nut body and the wire is suspended to lift the panel. A lightweight cellular concrete panel lifting method. 前記アンカー棒鋼先端のコの字状の折り曲げ部分を軽量気泡コンクリートパネルの長辺小口に食い込ませて固定するに際し、該長辺小口に溝と窪みを設けて前記アンカー棒鋼先端のコの字状の折り曲げ部分を収納することを特徴とする請求項３に記載の軽量気泡コンクリートパネルの吊り上げ方法。

When fixing the U-shaped bent part of the anchor steel bar tip into the long side edge of the lightweight cellular concrete panel, a groove and a recess are provided in the long side edge to The method for lifting a lightweight cellular concrete panel according to claim 3, wherein the bent portion is stored.

JP2004307325A 2004-10-21 2004-10-21 Lifting anchor and lifting method Pending JP2006117381A (en)

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JP2021063386A (en) * 2019-10-15 2021-04-22 正己 石原 Lifting device of steel frame
CN113958049A (en) * 2021-11-23 2022-01-21 重庆大学 Scissor fork type building steel frame and laminated slab connecting structure
JP2023113089A (en) * 2022-02-02 2023-08-15 株式会社ストローグ Hanging tool

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021063386A (en) * 2019-10-15 2021-04-22 正己 石原 Lifting device of steel frame
CN113958049A (en) * 2021-11-23 2022-01-21 重庆大学 Scissor fork type building steel frame and laminated slab connecting structure
JP2023113089A (en) * 2022-02-02 2023-08-15 株式会社ストローグ Hanging tool
JP7373812B2 (en) 2022-02-02 2023-11-06 株式会社ストローグ sling

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