JPH0743160Y2 - Removal anchor device - Google Patents
Removal anchor deviceInfo
- Publication number
- JPH0743160Y2 JPH0743160Y2 JP6267792U JP6267792U JPH0743160Y2 JP H0743160 Y2 JPH0743160 Y2 JP H0743160Y2 JP 6267792 U JP6267792 U JP 6267792U JP 6267792 U JP6267792 U JP 6267792U JP H0743160 Y2 JPH0743160 Y2 JP H0743160Y2
- Authority
- JP
- Japan
- Prior art keywords
- bearing body
- load
- steel wire
- turn
- unbonded
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 31
- 239000010959 steel Substances 0.000 claims description 31
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は除去アンカー装置に関す
る。FIELD OF THE INVENTION The present invention relates to a removal anchor device.
【０００２】[0002]
【従来技術とその問題点】従来除去アンカー装置とし
て、図９に概略的に示すように、アンボンドＰＣ鋼線ａ
を使用し、該鋼線ａをアンカー幹体ｂの先端に配置され
た耐荷体ＣでＵターンさせ、該鋼線の両端を引張り、緊
張、定着させてアンカーを構成し、アンカーが不要にな
った時はＰＣ鋼線を引抜き地中から取り除く除去アンカ
ー装置が提案されている。2. Description of the Related Art As a conventional removal anchor device, as shown schematically in FIG. 9, unbonded PC steel wire a
The steel wire a is U-turned by the load-bearing body C arranged at the tip of the anchor trunk b, and both ends of the steel wire are pulled, tensioned and fixed to form the anchor, and the anchor is not required. In this case, a removal anchor device for removing the PC steel wire from the drawn ground has been proposed.
【０００３】このような除去アンカー装置を適用してア
ンカーを構築するに際しては、アンボンドＰＣ鋼線はＵ
ターン部分に於て耐荷体に対し通常バンドを用いて締結
されるが、ＰＣ鋼線のＵターン部分はその保有する弾発
力により強く拡がる傾向にあるため、バンド締結作業が
容易でなかった。When constructing an anchor by applying such a removal anchor device, the unbonded PC steel wire is U-shaped.
Usually, a band is fastened to the load-bearing body at the turn portion, but the U-turn portion of the PC steel wire tends to expand strongly due to the resilience of the wire, so that the band fastening work is not easy.
【０００４】また施工後、ＰＣ鋼線は引抜き除去される
が、耐荷体はそのまま地中に放置されるので、耐荷体が
地中障害物になる虞れがあった。After the construction, the PC steel wire is pulled out and removed, but since the load bearing body is left in the ground as it is, the load bearing body may become an underground obstacle.
【０００５】本考案はこのような従来の問題点を一掃す
ることを目的としてなされたものである。The present invention has been made for the purpose of eliminating such conventional problems.
【０００６】[0006]
【問題点を解決するための手段】本考案は、アンボンド
ＰＣ鋼線を引掛けＵターンさせる係止溝を有する耐荷体
と、該耐荷体の係止溝に対し引掛けられた上記ＰＣ鋼線
を、耐荷体に対し締結するためのかしめリングとを具備
し、上記耐荷体の本体部には、かしめリングによる締結
用周溝が形成されていることを特徴とする除去アンカー
装置に係る。SUMMARY OF THE INVENTION The present invention provides a load-bearing body having a locking groove for hooking an U-shaped PC steel wire and making a U-turn, and the PC steel wire hooked in the locking groove of the load-bearing body. And a caulking ring for fastening the caulking member to a load-bearing body, wherein the main body of the load-bearing body has a fastening circumferential groove formed by the caulking ring.
【０００７】[0007]
【実施例】以下に本考案の１実施例を添附図面にもとづ
き説明すると次の通りである。DESCRIPTION OF THE PREFERRED EMBODIMENTS The following will describe one embodiment of the present invention with reference to the accompanying drawings.
【０００８】図１に示す分解図から明らかなように、本
考案除去アンカー装置は、耐荷体ＡとかしめリングＢと
を備えている。As is apparent from the exploded view shown in FIG. 1, the removal anchor device of the present invention comprises a load bearing body A and a caulking ring B.
【０００９】耐荷体Ａは先端ヘッド部１と、本体部２と
から構成され、先端ヘッド部１は接手部３の凹凸部３
ａ，３ｂの嵌合を解くことにより、本体部２から切離で
きるようになっている。The load bearing body A is composed of a tip head portion 1 and a main body portion 2, and the tip head portion 1 is provided with an uneven portion 3 of a joint portion 3.
It can be separated from the main body 2 by releasing the fitting of a and 3b.
【００１０】先端ヘッド部１は砲弾型であって、図示の
実施例では、前部品１ａと後部品１ｂとから構成され、
之等両部品１ａ，１ｂは接手部４の凹凸部４ａ，４ｂの
嵌合を解くことにより切離できるようになっている。The tip head portion 1 is of a bullet type and, in the illustrated embodiment, is composed of a front part 1a and a rear part 1b,
Both parts 1a and 1b can be separated by uncoupling the concave and convex portions 4a and 4b of the joint 4.
【００１１】本体部２は長さ方向に長尺で通常３０〜７
０ｃｍ程度の長さを有し、長さ方向に接続する複数個、
例えば３個の分割体２ａから構成されている。之等分割
体２ａの相互は、接手部５の凹凸部５ａ，５ｂの嵌合を
解くことにより、それぞれ切離できるようになってい
る。The main body 2 is long in the longitudinal direction and is usually 30 to 7
A plurality having a length of about 0 cm and connected in the length direction,
For example, it is composed of three divided bodies 2a. The equal division bodies 2a can be separated from each other by uncoupling the concave and convex portions 5a and 5b of the joint portion 5.
【００１２】耐荷体２には、その全長に亘り縦、横にＵ
ターンする２本の係止溝６，７が設けられ、縦係止溝６
は、先端ヘッド部１の前部品１ａの先端で、また横係止
溝７は先端ヘッド部１の後部品１ｂの先端で、それぞれ
Ｕターンしている。縦横の係止溝６，７には図４に仮想
線で示すように、それぞれアンボンドＰＣ鋼線ａ1 ，ａ
2 が縦横にＵターンするように係止される。ＰＣ鋼線は
１本の溝に対し１〜２本が係止され、２本係止の場合は
図４に示すように内周方向に並列して係止される。尚縦
横の係止溝６，７のうち、一方、例えば横係止溝７を省
略してもよい。横係止溝７を省略する場合は、先端ヘッ
ド部１は前後に分割されている必要はなく、１つ物であ
ってもよい。係止溝６，７はアンボンドＰＣ鋼線ａ1 ，
ａ2 の直径よりも僅かに大きい深さを持っている。The load-bearing body 2 has U vertically and horizontally over its entire length.
Two locking grooves 6 and 7 for turning are provided, and the vertical locking groove 6
Makes a U-turn at the tip of the front part 1a of the tip head part 1, and the lateral locking groove 7 makes a U-turn at the tip of the rear part 1b of the tip head part 1. As shown in phantom in FIG. 4, the unbonded PC steel wires a 1 and a are formed in the vertical and horizontal locking grooves 6 and 7, respectively.
2 is locked so that it makes a U-turn vertically and horizontally. One or two PC steel wires are locked in one groove, and when two PC steel wires are locked, they are locked in parallel in the inner circumferential direction as shown in FIG. Of the vertical and horizontal locking grooves 6, 7, for example, the horizontal locking groove 7 may be omitted. When the lateral locking groove 7 is omitted, the tip head portion 1 does not need to be divided into front and rear, and may be a single piece. The locking grooves 6, 7 are unbonded PC steel wire a 1 ,
It has a depth slightly larger than the diameter of a 2 .
【００１３】耐荷体Ａの本体部２を構成する分割体２ａ
には、その長さ方向の中間部に周溝８が形成されてい
る。周溝８は耐荷体Ａの縦，横の係止溝６，７に係止さ
れたアンボンドＰＣ鋼線ａ1 ，ａ2 をかしめリングＢを
適用して締結するためのものであり、リングＢの巾より
も大きい開口巾と、リングＢのかしめ変形に必要な深さ
とを持っている。この周溝８は凹凸形状によりアンカー
部としても機能し、耐荷体の定着性を高める仂きをす
る。耐荷体の定着性をより一層高めるために、接手部
３，５の部分にも補助周溝９（図５参照）を設けること
ができる。Divided body 2a constituting the main body 2 of the load bearing body A
A peripheral groove 8 is formed in the intermediate portion in the longitudinal direction. The circumferential groove 8 is for fastening the unbonded PC steel wires a 1 and a 2 locked in the vertical and horizontal locking grooves 6 and 7 of the load bearing body A by applying a caulking ring B, and the ring B It has an opening width larger than the width and the depth required for caulking deformation of ring B. The circumferential groove 8 also functions as an anchor portion due to the uneven shape, and serves to enhance the fixing property of the load bearing body. In order to further improve the fixing property of the load-bearing body, auxiliary circumferential grooves 9 (see FIG. 5) can be provided in the joint portions 3 and 5.
【００１４】耐荷体Ａは剛性を有していることが必要で
あり、例えば鋳鉄、アルミ鋳物などの金属、その他硬質
プラスチックから成形される。The load-bearing body A needs to have rigidity, and is made of metal such as cast iron or aluminum casting, or other hard plastic.
【００１５】かしめリングＢは、かしめ締めが可能な金
属、例えば、鉄、アルミ、銅その他之等金属の合金から
造られ、図１に示すようにその内径Ｄ1 は、耐荷体Ａの
外径Ｄ2 より極く僅かに大きく、耐荷体Ａに容易に嵌入
し得るようになっている。The caulking ring B is made of a metal capable of caulking, for example, an alloy of metals such as iron, aluminum, copper and other metals, and its inner diameter D 1 is the outer diameter of the load-bearing body A as shown in FIG. It is slightly larger than D 2 and can be easily fitted into the load bearing body A.
【００１６】本考案除去アンカー装置によりアンカーを
構築するに際しては、最初に図５に示すように耐荷体Ａ
の横係止溝７に、１方のアンボンドＰＣ鋼線ａ2 か耐荷
体の先端でＵターンするように係止される。この係止作
業は先端ヘッド部１の前部品１ａを取り外した状態で行
うことが便利である。In constructing the anchor by the removing anchor device of the present invention, first, as shown in FIG.
The unlocked PC steel wire a 2 or the end of the load bearing body is locked in the lateral locking groove 7 so as to make a U-turn. It is convenient to perform this locking operation with the front part 1a of the tip head unit 1 removed.
【００１７】次に図６に示すように、先の前部品１ａを
取付けた状態で、縦係止溝６に残る１方のアンボンドＰ
Ｃ鋼線ａ1 が耐荷体Ａの先端でＵターンするように係止
される。尚上記ＰＣ鋼線ａ1 ，ａ2 の先端Ｕターン部を
隔離する理由は、これが直接重なり合うと、ＰＣ鋼線の
引抜きが困難となる場合があるからである。Next, as shown in FIG. 6, one unbond P remaining in the vertical locking groove 6 with the front part 1a attached thereto.
The C steel wire a 1 is locked so as to make a U-turn at the tip of the load bearing body A. The reason why the tip U-turn portions of the PC steel wires a 1 and a 2 are separated is that if they directly overlap, it may be difficult to pull out the PC steel wires.
【００１８】次に図７に示すように、かしめリングＢ
が、先端ヘッド部１側から耐荷体に各分割部２ａの周溝
８に１個ずつ位置するように嵌入される。このかしめリ
ングＢの嵌入で、アンボンドＰＣ鋼線ａ1 ，ａ2 は、そ
の強い反撥力に拘わずＵターン状に略々拘束される。Next, as shown in FIG. 7, the caulking ring B
Are fitted into the load-bearing body from the side of the tip head portion 1 so as to be positioned one by one in the circumferential groove 8 of each divided portion 2a. Due to the insertion of the caulking ring B, the unbonded PC steel wires a 1 and a 2 are substantially restrained in a U-turn shape regardless of the strong repulsive force.
【００１９】次にかしめリングＢを適宜の工具を用いて
かしめることにより、図８に示すように、ＰＣ鋼線
ａ1 、ａ2 を耐荷体Ａに対し、しっかりと締結できる。
この締結作業は、かしめリングＢによりＰＣ鋼線ａ1 ，
ａ2 をＵターン状態に略々拘束した状態で行い得るの
で、ＰＣ鋼線の強い反撥力に拘わらず、容易にしかも確
実に行うことができる。Then, the caulking ring B is caulked with an appropriate tool so that the PC steel wires a 1 and a 2 can be firmly fastened to the load bearing body A as shown in FIG.
This fastening work is performed by caulking the ring B with the PC steel wire a 1 ,
Since the a 2 may be carried out in a state of being substantially restrained in U-turn state, regardless of the strong repulsion of PC steel wire, can be easily and reliably performed it.
【００２０】アンボンドＰＣ鋼線のＵターン部分に耐荷
体をセットした後は、図９に示す従来装置と同様の手法
でアンカーが構築され、そしてアンカーが不要になった
後はＰＣ鋼線は、引抜きで地中から回収され、耐荷体Ａ
はそのまま地中に放置される。After the load-bearing body is set on the U-turn part of the unbonded PC steel wire, the anchor is constructed by the same method as the conventional device shown in FIG. 9, and after the anchor is no longer needed, the PC steel wire is Recovered from the ground by pulling out, load bearing body A
Is left in the ground as it is.
【００２１】本考案に於て、耐荷体Ａは先端ヘッド部１
と本体部２とに切離でき、また本体部２は複数個の分割
体２ａに切離できるので、地中にそのまま放置されても
地中障害物となる虞れがなくなる。In the present invention, the load bearing body A is the tip head portion 1.
Since the main body 2 can be separated into the main body 2 and the main body 2 can be separated into a plurality of divided bodies 2a, there is no possibility of becoming an underground obstacle even if it is left as it is in the ground.
【００２２】[0022]
【考案の効果】このように本考案除去アンカー装置に於
ては、かしめリングによりアンボンドＰＣ鋼線をＵター
ン状態に略々拘束した状態で耐荷体に対し、上記リング
によるかしめ締めで締結し得るので、ＰＣ鋼線の強い反
撥力に拘わらず締結作業を容易に行うことができる。更
に耐荷体は複数個に切離できるので地中に放置されても
地中障害物となることがなくなる。As described above, in the removal anchor device of the present invention, the unbonded PC steel wire is substantially restrained in the U-turn state by the crimping ring and can be fastened to the load bearing body by crimping with the ring. Therefore, the fastening work can be easily performed regardless of the strong repulsive force of the PC steel wire. Furthermore, since the load-bearing body can be cut into a plurality of pieces, it does not become an underground obstacle even if it is left in the ground.
【図１】本考案の１実施例を示す分解図である。FIG. 1 is an exploded view showing an embodiment of the present invention.
【図２】耐荷体の先端ヘッド部の前部品の正面図であ
る。FIG. 2 is a front view of a front part of the tip head portion of the load bearing body.
【図３】同先端ヘッド部の後部品の正面図である。FIG. 3 is a front view of a rear component of the tip head portion.
【図４】耐荷体の本体部の正面図である。FIG. 4 is a front view of the main body of the load bearing body.
【図５】耐荷体の横係止溝にアンボンドＰＣ鋼線を係止
しＵターンさせた状況を示す側面図である。FIG. 5 is a side view showing a state in which an unbonded PC steel wire is locked and made a U-turn in a lateral locking groove of a load bearing body.
【図６】同縦係止溝にアンボンドＰＣ鋼線を係止しＵタ
ーンさせた状況を示す側面図である。FIG. 6 is a side view showing a state in which an unbonded PC steel wire is locked in the vertical locking groove to make a U-turn.
【図７】耐荷体の縦，横の係止溝に係止しＵターンさせ
たアンボンドＰＣ鋼線をかしめリングにより仮拘束した
状況を示す側面図である。FIG. 7 is a side view showing a state in which an unbonded PC steel wire that is locked in vertical and horizontal locking grooves of a load bearing body and made a U-turn is temporarily restrained by a caulking ring.
【図８】同かしめリングにより締結した状況を示す説明
図である。FIG. 8 is an explanatory view showing a situation in which the caulking ring is used for fastening.
【図９】従来の除去アンカー装置の説明図である。FIG. 9 is an explanatory diagram of a conventional removal anchor device.
Ａ 耐荷体 Ｂ かしめリング １ 先端ヘッド部 ２ 本体部 ２ａ 分割体 ３ 接手部 ４ 接手部 ５ 接手部 ６ 縦係止溝 ７ 横係止溝 ８ 周溝 ９ 補助周溝 A load-bearing body B caulking ring 1 tip head portion 2 main body portion 2a divided body 3 joint portion 4 joint portion 5 joint portion 6 vertical locking groove 7 lateral locking groove 8 circumferential groove 9 auxiliary circumferential groove
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭64−1824（ＪＰ，Ａ) 特開 昭60−133118（ＪＰ，Ａ) 特開 平４−5309（ＪＰ，Ａ) 実開 平２−47234（ＪＰ，Ｕ) ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-64-1824 (JP, A) JP-A-60-133118 (JP, A) JP-A-4-5309 (JP, A) Jitsukaihei 2- 47234 (JP, U)
Claims (1)
せる係止溝を有する耐荷体と、該耐荷体の係止溝に対し
引掛けられた上記ＰＣ鋼線を、耐荷体に対し締結するた
めのかしめリングとを具備し、上記耐荷体の本体部に
は、かしめリングによる締結用周溝が形成されているこ
とを特徴とする除去アンカー装置。1. To fasten a load-bearing body having a locking groove for hooking an unbonded PC steel wire to make a U-turn and the PC steel wire hooked in the locking groove of the load-bearing body to the load-bearing body. And a caulking ring, and the main body of the load bearing body is formed with a circumferential groove for fastening by the caulking ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6267792U JPH0743160Y2 (en) | 1992-09-07 | 1992-09-07 | Removal anchor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6267792U JPH0743160Y2 (en) | 1992-09-07 | 1992-09-07 | Removal anchor device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0627931U JPH0627931U (en) | 1994-04-15 |
| JPH0743160Y2 true JPH0743160Y2 (en) | 1995-10-04 |
Family
ID=13207159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6267792U Expired - Lifetime JPH0743160Y2 (en) | 1992-09-07 | 1992-09-07 | Removal anchor device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0743160Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200446189Y1 (en) * | 2007-08-21 | 2009-10-08 | 김창근 | Removable Type Pack Anchor |
-
1992
- 1992-09-07 JP JP6267792U patent/JPH0743160Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0627931U (en) | 1994-04-15 |
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