JPH0633701B2 - Embedded nut adapter for steel tube concrete utility pole - Google Patents
Embedded nut adapter for steel tube concrete utility poleInfo
- Publication number
- JPH0633701B2 JPH0633701B2 JP3800390A JP3800390A JPH0633701B2 JP H0633701 B2 JPH0633701 B2 JP H0633701B2 JP 3800390 A JP3800390 A JP 3800390A JP 3800390 A JP3800390 A JP 3800390A JP H0633701 B2 JPH0633701 B2 JP H0633701B2
- Authority
- JP
- Japan
- Prior art keywords
- steel pipe
- embedded nut
- utility pole
- adapter
- concrete
- 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
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Ladders (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は鋼管コンクリート電柱に埋設される、足場ボル
ト取付用埋込ナツトを電柱の形成時に固定保持させるた
めのアダプターに関するものである。Description: TECHNICAL FIELD The present invention relates to an adapter for fixing an embedded nut for mounting scaffolding bolts, which is embedded in a concrete pole for steel pipes, when the utility pole is formed.
従来、コンクリート電柱は予かじめ鉄筋の籠を作り、こ
の鉄筋の籠を管状の型枠中に固定させ、この型枠を水平
において回転させながらコンクリートを注入し、強い遠
心力を与えて緻密なパイプを成形している。このような
従来のコンクリート電柱の成形では鉄筋の籠を作るのに
著しく手間が掛かり、また、この鉄筋の籠に対して型枠
の回転中に移動しないように足場ボルト埋込用ナツトを
固定するのにも随分と手間が掛かるといった問題があ
る。Conventionally, concrete utility poles are made into pre-cage reinforced baskets, which are fixed in a tubular formwork, and concrete is poured while rotating this formwork horizontally, giving a strong centrifugal force The pipe is molded. In the conventional molding of such a concrete utility pole, it takes a great deal of time to make a cage of the reinforcing bar, and the nut for embedding the scaffolding bolt is fixed to the cage of the reinforcing bar so as not to move during the rotation of the formwork. However, there is a problem that it takes a lot of work.
一方、従来から鋼管製の電柱があるが、これらは主に各
家庭への引込線用に使われるもので、外径が細かくてま
た肉厚が薄いものであることなどにより、足場ボルト埋
込用ナツトを埋込むことができない。On the other hand, there have been conventional steel pipe utility poles, but these are mainly used for service lines for households, and are used for embedding scaffold bolts due to their small outer diameter and thin wall thickness. I can't embed nuts.
本発明は、このような手間の掛かるコンクリート電柱の
鉄筋に代えて鋼管を使用して、この鋼管の内側に遠心力
を利用してコンクリートをパイプ状に充填させることに
より、鋼管を被覆させて構成される鋼管コンクリート電
柱を採用し、この鋼管コクリート電柱成形時に、足場ボ
ルト埋込用ナツトを簡易に固定保持させるためのアダプ
ターを提供することを目的とするものである。The present invention uses a steel pipe in place of the rebar of such a troublesome concrete electric pole, and uses a centrifugal force to fill the inside of the steel pipe with concrete, thereby covering the steel pipe. An object of the present invention is to provide an adapter for easily fixing and holding a nut for embedding a scaffolding bolt by adopting a steel tube concrete utility pole as described above and forming the steel tube cocrete utility pole.
本発明の鋼管コンクリート電柱用埋込用ナツトのアダプ
ターは、コンクリート層の表面を鋼管で被覆した鋼管コ
ンクリート電柱の前記鋼管に開設された足場ボルト取付
用の取付孔に嵌合させる嵌着凹溝と、その嵌合凹溝の上
部に鍔片を周設した短筒体よりなり、前記鍔片には切離
し用の摘みを設け、短筒体の内側面下半部に埋込ナツト
の鍔部を衝止させるテーパー状の受部を周設した構成よ
りなる。The adapter of the embedding nut for the steel tube concrete utility pole of the present invention is a fitting groove for fitting into a mounting hole for mounting scaffolding bolts opened in the steel tube of the steel tube concrete utility pole in which the surface of the concrete layer is covered with a steel tube. , A short cylindrical body around which a collar piece is provided in the upper part of the fitting concave groove, a knob for separating is provided on the collar piece, and the collar portion of the embedded nut is provided on the lower half of the inner side surface of the short cylinder body. It has a structure in which a taper-shaped receiving portion for stopping the impact is provided around the periphery.
短筒体よりなるアダプターをその下短から鋼管に開設さ
れた取付孔に挿入し、埋込めばその圧力により取付孔に
嵌合凹溝が嵌合して、鍔片が鋼管の上面に当接し、アダ
プターは取付孔に固定される。このようにして取付けら
れたダプターに埋込ナツトを嵌挿してその鍔部をテーパ
ー状の受部で衝止させて固定保持させる。Insert the adapter consisting of a short cylinder from its lower end into the mounting hole opened in the steel pipe, and if it is embedded, the fitting groove will fit into the mounting hole due to the pressure, and the flange piece will contact the upper surface of the steel pipe. , The adapter is fixed in the mounting hole. The embedded nut is inserted into the dapter attached in this manner, and the flange portion is abutted against and fixedly held by the tapered receiving portion.
鋼管コンクリート電柱の成形後に脱枠して鋼管の上面に
現われている鍔片は摘みを引張ることで容易に切離して
取除くことができる。The flange piece that appears on the upper surface of the steel pipe after being unframed after the steel pipe concrete utility pole is molded can be easily separated and removed by pulling the knob.
以下に本発明の一実施例を図面と共に説明する。従来か
ら知られる構造をした足場ボルト用の埋込ナツト１はね
じ孔２を設けた有底筒状の本体部３の上端に鍔部４を設
けて一体に形成され、ねじ孔２の開口端縁には足場ボル
トを装着させ易くさせるために、切欠段部５が周設され
る。また、本体部３の外周側にはコンクリートの交絡を
向上させるリブ６,６′,６″を周設する。An embodiment of the present invention will be described below with reference to the drawings. An embedded nut 1 for a scaffolding bolt having a conventionally known structure is integrally formed by providing a flanged portion 4 on the upper end of a bottomed cylindrical main body 3 having a screw hole 2. A notch step portion 5 is provided around the edge to facilitate attachment of the scaffold bolt. Further, ribs 6, 6 ', 6 "for improving the entanglement of concrete are provided around the outer periphery of the main body 3.
第１図乃至第３図に示したものは埋込ナツト１を嵌挿保
持するための変形短筒体７よりなるアダプターＡであ
る。該アダプターＡは上部外周面に鋼管８の所定個所に
開設された取付孔９に嵌合する嵌合凹溝10を形成し、該
嵌合凹溝10の上部に鍔片11を周設する。嵌合凹溝10の下
端に短筒体７から切離し易いように肉薄部12を周設して
いる。鍔片11は第１図に示すように環状の一個所を切離
して、その切離し端の一方に外側へ突出させて環状をな
す摘み13を形成し、さらに前記切離し個所に直交する個
所で鍔片11上面に対向位置させ、直線状の突条よりなる
目印14，14を設ける。また、短筒体７の鍔片11に接して
いる上面は鋼管８の取付孔９を設けた位置の外周曲面に
合致するように前記目印14，14の位置が中心となる円弧
をなすように凸弧状に湾曲させている。（第２図参照）
さらに短筒体７の内側面下半部には埋込ナツト１の鍔部
４下面を支衝させるテーパー状の受部15を周設する。What is shown in FIGS. 1 to 3 is an adapter A composed of a deformed short cylindrical body 7 for inserting and holding the embedded nut 1. The adapter A has a fitting recessed groove 10 formed on the outer peripheral surface of the upper part thereof to be fitted in a mounting hole 9 formed at a predetermined position of the steel pipe 8, and a collar piece 11 is provided around the fitting recessed groove 10. A thin portion 12 is provided around the lower end of the fitting groove 10 so as to be easily separated from the short tubular body 7. As shown in FIG. 1, the collar piece 11 is formed by cutting off one annular portion and forming an annular knob 13 by projecting outward at one of the cut ends. Further, the collar piece is formed at a portion orthogonal to the cutting portion. 11 Marks 14 and 14 made of linear ridges are provided facing each other on the upper surface. Further, the upper surface of the short tubular body 7 which is in contact with the collar piece 11 has a circular arc centered at the positions of the marks 14 and 14 so as to match the outer peripheral curved surface of the position where the mounting hole 9 of the steel pipe 8 is provided. It is curved in a convex arc shape. (See Fig. 2)
Further, a tapered receiving portion 15 for supporting the lower surface of the collar portion 4 of the embedded nut 1 is provided around the lower half of the inner side surface of the short tubular body 7.
第４図はこのように形成した本発明のアダプターＡの使
用状態を断面で示したものである。先ず、アダプターＡ
の下端を鋼管８に開設された取付孔９に挿入して、さら
に押込むと嵌合凹溝10が取付孔９に嵌合し、鍔片11は鋼
管８の上面に当接してアダプターＡは取付孔９に固定さ
れる。この際に、鍔片11の上面に対設した目印14，14が
鋼管８の長手方向に合致するように位置きめしてやる。FIG. 4 is a cross-sectional view showing a usage state of the adapter A of the present invention thus formed. First, adapter A
When the lower end of the is inserted into the mounting hole 9 formed in the steel pipe 8 and further pushed, the fitting groove 10 is fitted into the mounting hole 9, the collar piece 11 contacts the upper surface of the steel pipe 8, and the adapter A It is fixed in the mounting hole 9. At this time, the marks 14, 14 provided on the upper surface of the collar piece 11 are positioned so that they coincide with the longitudinal direction of the steel pipe 8.
次に、このアダプターＡの内側へ埋込ナツト１を嵌挿さ
せてアダプターＡの先端を埋込ナツト１の本体部３上部
のリブ６に係止させれば鍔部４の下面がテーパー状の受
部15に衝止されて埋込ナツト１はアダプターＡに固定さ
れる。Next, if the embedded nut 1 is inserted into the inside of the adapter A and the tip of the adapter A is locked to the rib 6 on the upper portion of the main body 3 of the embedded nut 1, the lower surface of the collar portion 4 is tapered. The embedded nut 1 is fixed to the adapter A by being stopped by the receiving portion 15.
このようにして埋込ナツト１を固定した鋼管８を型枠16
に装着し、この型枠16を水平に置き回転させながらコン
クリートを注入し、35〜50Ｇに達する強い遠心力を与え
て緻密なコンクリート17の層を有するパイプよりなる電
柱を形成する。In this way, the steel pipe 8 to which the embedded nut 1 is fixed is attached to the form 16
Then, the mold 16 is placed horizontally and rotated to inject concrete, and a strong centrifugal force of 35 to 50 G is applied to form a utility pole made of pipe having a layer of dense concrete 17.
そして、コンクリート17が硬化した後に脱枠させ、摘み
13を引張ると鍔片11は肉薄部12で切離されるが、鍔片11
上面に対設した目印14，14により鋼管８の長手方向に位
置決めされているとで短筒体７の上面は、第６図に示す
ように鋼管８の外側面に面一となり、しかも、アダプタ
ーＡの下半外側面と、埋込ナツト１のアダプターＡより
突出している本体部３がコンクリート17に埋没し、さら
に埋込みナツト１の各リブ６,６′,６″によりコンクリ
ートとの交絡が強化されて固定し、しっかりと取付けら
れる。Then, after the concrete 17 has hardened, it is deframed and picked.
When pulling 13 the collar piece 11 is cut off at the thin portion 12, but the collar piece 11
It is positioned in the longitudinal direction of the steel pipe 8 by the marks 14 and 14 provided on the upper face, and the upper surface of the short tubular body 7 is flush with the outer surface of the steel pipe 8 as shown in FIG. The outer surface of the lower half of A and the main body 3 protruding from the adapter A of the embedded nut 1 are embedded in the concrete 17, and the ribs 6, 6 ', 6 "of the embedded nut 1 strengthen the entanglement with the concrete. Fixed and mounted securely.
以上に述べたように本発明の埋込ナツトを固定させるア
ダプターは、鋼管に開設した取付孔に対して、文字通り
ワンタツチ操作により簡単に取り付けられて、埋込ナツ
トを確実に保持してしっかりと固定することができる。As described above, the adapter for fixing the embedded nut of the present invention is literally easily attached to the mounting hole formed in the steel pipe by a one-touch operation, and securely holds and firmly fixes the embedded nut. can do.
そして、電柱成形後には、鍔片に設けた摘みを引張れば
鋼管の外側面に当接している鍔片はワンタツチ的に除去
できて、電柱成形後の処理は完了するものであり、多数
の埋込ナツトを埋設する電柱の成形工程に大きな利益を
もたらすことができる。Then, after forming the utility pole, by pulling the knob provided on the flange piece, the flange piece that is in contact with the outer surface of the steel pipe can be removed in a one-touch manner, and the treatment after forming the utility pole is completed. A great advantage can be brought to the forming process of the electric pole for burying the embedded nut.
図は本発明の一実施例に係わるもので第１図はアダプタ
ーの斜視図、第２図は同上側面図、第３図は同上縦断面
図、第４図は使用状態の断面図、第５図は型枠を取り外
ずした状態の平面図、第６図は電柱成形後の断面図であ
る。 示す断面図である。 １……埋込ナツト、４……鍔部、７……短筒体、Ａ……
アダプター、８……鋼管、９……取付孔、10……嵌合凹
溝、11……鍔片、13……摘み、15……受部、16……型
枠、17……コンクリート。FIG. 1 relates to an embodiment of the present invention. FIG. 1 is a perspective view of an adapter, FIG. 2 is a side view of the same as above, FIG. 3 is a vertical sectional view of the same as above, FIG. The figure is a plan view with the mold frame removed, and FIG. 6 is a cross-sectional view after molding the utility pole. It is sectional drawing shown. 1 ... Embedded nut, 4 ... Collar part, 7 ... Short cylinder, A ...
Adapter, 8 ... Steel tube, 9 ... Mounting hole, 10 ... Fitting groove, 11 ... Collar piece, 13 ... Pick, 15 ... Receiving part, 16 ... Formwork, 17 ... Concrete.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 中村 光秀 福岡県築後市大字前津838―29 (56)参考文献 実開 昭61−160906（ＪＰ，Ｕ) 実開 昭62−200408（ＪＰ，Ｕ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Mitsuhide Nakamura 838-29 Maedu, Tsuchigo-shi, Fukuoka (56) References: 61-160906 (JP, U) 62-200408 (JP, JP) U)
Claims (2)
管コンクリート電柱を形成するに当り、前記鋼管に開設
された足場ボルト取付用の取付孔に嵌合させる嵌合凹溝
と、その嵌合凹溝の上部に鍔片を周設した短筒体よりな
り、前記鍔片には切離し用の摘みを設け、さらに短筒体
の内側面下半部に埋込ナツトの鍔部を衝止させるテーパ
ー状の受部を周設して形成したことを特徴とする鋼管コ
ンクリート電柱用埋込ナツトのアダプター。1. A fitting concave groove to be fitted into a mounting hole for mounting a scaffolding bolt formed in the steel pipe when forming a steel pipe concrete utility pole in which the surface of a concrete layer is covered with the steel pipe, and the fitting concave groove. It is composed of a short cylindrical body around which a brim piece is provided in the upper part of the groove. An embedded nut adapter for steel tube concrete utility poles, characterized in that it is formed by surrounding a cylindrical receiving part.
(1)記載の鋼管コンクリート電柱用埋込ナツトのアダプ
ター。2. A billing hole provided with a mark at a position facing the upper surface of the collar piece.
(1) The embedded nut adapter for steel pipe concrete utility poles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3800390A JPH0633701B2 (en) | 1990-02-19 | 1990-02-19 | Embedded nut adapter for steel tube concrete utility pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3800390A JPH0633701B2 (en) | 1990-02-19 | 1990-02-19 | Embedded nut adapter for steel tube concrete utility pole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03241190A JPH03241190A (en) | 1991-10-28 |
| JPH0633701B2 true JPH0633701B2 (en) | 1994-05-02 |
Family
ID=12513399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3800390A Expired - Lifetime JPH0633701B2 (en) | 1990-02-19 | 1990-02-19 | Embedded nut adapter for steel tube concrete utility pole |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0633701B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533134A (en) * | 2014-12-14 | 2015-04-22 | 河南省电力勘测设计院 | Concrete pouring method of concrete filled steel tube iron tower |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200471715Y1 (en) * | 2012-08-19 | 2014-03-10 | 조형진 | Fixture for multi-split molding |
| KR101372619B1 (en) * | 2012-08-19 | 2014-03-11 | 조형진 | Multi-split mold and molding |
-
1990
- 1990-02-19 JP JP3800390A patent/JPH0633701B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533134A (en) * | 2014-12-14 | 2015-04-22 | 河南省电力勘测设计院 | Concrete pouring method of concrete filled steel tube iron tower |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03241190A (en) | 1991-10-28 |
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