JPH0470470A - Jack for anchor - Google Patents
Jack for anchorInfo
- Publication number
- JPH0470470A JPH0470470A JP18225290A JP18225290A JPH0470470A JP H0470470 A JPH0470470 A JP H0470470A JP 18225290 A JP18225290 A JP 18225290A JP 18225290 A JP18225290 A JP 18225290A JP H0470470 A JPH0470470 A JP H0470470A
- Authority
- JP
- Japan
- Prior art keywords
- plate
- center
- jack
- tension material
- center hole
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000010276 construction Methods 0.000 abstract description 3
- 230000008602 contraction Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明はアンカーの緊張、抜き取り操作が容易〈従来の
技術〉
アンカー工法は種々提案されているが、いずれもｐｃｍ
線などの引張り材の緊張や抜き取りに用いられるジヤツ
キは、貫通した中央孔を有するセンターホール型のジヤ
ツキである。[Detailed Description of the Invention] <Industrial Application Field> The present invention facilitates anchor tensioning and extraction operations. <Prior Art> Various anchor construction methods have been proposed, but none of them
Jacks used for tensioning and pulling out tensile materials such as wires are center-hole jacks that have a central hole extending through them.
〈本発明が解決しようとする問題点〉
前記した従来のジヤツキにはつぎのような問題点がある
。<Problems to be Solved by the Present Invention> The conventional jack described above has the following problems.
〈イ〉 ジヤツキをセットするには、引張り材の端をジ
ヤツキの中央孔に挿通させた状態で、ジヤツキをセット
位置まで移動しなければならない。<A> To set the jack, the jack must be moved to the setting position with the end of the tension member inserted through the center hole of the jack.
〈口〉 ジヤツキを引張り材から抜き取るには、引張り
材をジヤツキの付近から切断して抜き取るか、或は引張
り材の全長にわたって抜き取る方法が採られているが、
何れの方法もジヤツキの抜き取りに手数がかかる。<Exposure> In order to remove the jack from the tension material, the methods of cutting the tension material from the vicinity of the jack and pulling it out, or pulling it out along the entire length of the tension material, are adopted.
Either method requires a lot of effort to remove the jacks.
〈本発明の目的〉
本発明は以上の問題点を解決するために成されたもので
、その目的とするところはジヤツキのセットや取り外し
を簡単に行える、アンカー用ジヤツキを提供することに
ある。<Objective of the Present Invention> The present invention was made to solve the above-mentioned problems, and its object is to provide a jack for an anchor that allows easy setting and removal of the jack.
〈問題点を解決するための手段〉
すなわち本発明は引張り材の終端部に設置した把持具を
介して引張り材を緊張または抜き取るアンカー用ジヤツ
キにおいて、相対向して配置した二枚の板体の間に複数
組の伸縮自在のシリンダの両端を連結し、前記各板体は
その中央部に引張り材挿通用の中央孔を有すると共に、
各板体の一部に前記各中央孔に連通して引張り材を側方
から中央孔に導入するスリットを有することを特徴とす
る。<Means for Solving the Problems> In other words, the present invention provides an anchor jack for tensioning or pulling out a tension member through a gripping tool installed at the end of the tension member, in which two plates are arranged facing each other. Both ends of a plurality of sets of telescoping cylinders are connected between them, and each of the plates has a central hole for passing a tension member through the center thereof, and
It is characterized in that a part of each plate has a slit that communicates with each of the central holes and introduces the tensile material into the central hole from the side.
〈本発明の説明〉 以下、図面を参照しながら本発明について説明する。<Description of the present invention> The present invention will be described below with reference to the drawings.
〈イ〉ジヤツキ
第１図に本発明に係るジヤツキの一例を示し、第２図に
その使用状態を示す。<A> Jacket FIG. 1 shows an example of the jack according to the present invention, and FIG. 2 shows its usage.
ジヤツキは、２枚の板体１．２と、これらの両板１．２
間に配設した複数組のシリンダ３とにより構成される。The jack consists of two plates 1.2 and both plates 1.2.
It is constituted by a plurality of sets of cylinders 3 arranged between them.
〈口〉板体
両板体１．２は同一構造を有し、中央に引張り材挿通用
の中央孔１１，２１を有すると共に、各中央孔１１．２
１に連通したスリット１２．２２を有する。<Opening> Plate body Both plate bodies 1.2 have the same structure, and have central holes 11, 21 for passing tension material in the center, and each central hole 11.2.
It has a slit 12.22 communicating with 1.
両中央孔１１，２１の中心は同一線上に設けられ、また
各スリット１２．２２も同一線上に設けられている。The centers of both central holes 11, 21 are arranged on the same line, and the respective slits 12, 22 are also arranged on the same line.
〈ハ〉シリンダ
シリンダ３は公知の流体圧式のシリンダで、相対向して
配置した板体１．２の中央孔１１．．２１の同心円上に
均等に配置される。<C> Cylinder The cylinder 3 is a known hydraulic cylinder, and has a central hole 11. ．． They are evenly arranged on 21 concentric circles.
シリンダ３の設置数や設置間隔は、引き抜き力などを考
慮して決定する。The number of installed cylinders 3 and the installation interval are determined in consideration of the pulling force and the like.
また、各シリンダ３の伸縮動作は、両板体１．２に均等
に伸縮力が作用するように同調して制御される。Further, the expansion and contraction operations of each cylinder 3 are synchronously controlled so that expansion and contraction forces act equally on both plates 1.2.
尚、図中５は板体１．２と同形の台座プレートで、中央
孔５１と、スリット５２を有している。In the figure, reference numeral 5 denotes a pedestal plate having the same shape as the plate 1.2, and has a central hole 51 and a slit 52.
さらに、台座プレート５の一方には板体２の中央孔に挿
通可能な連結部５３を有する。Furthermore, one side of the pedestal plate 5 has a connecting portion 53 that can be inserted into the center hole of the plate body 2.
６は公知のアンカーヘッドで、楔６１の着脱により引張
り材４の把持および開放を行う。Reference numeral 6 denotes a known anchor head, which grips and releases the tension member 4 by attaching and detaching a wedge 61.
また、スリット１２．２２．５２は引張り材４を側方か
ら導入するための開口であるから、その開口幅は少なく
とも一本の引張り材４が通過できる寸法に設定しておく
必要がある。Further, since the slit 12.22.52 is an opening for introducing the tension material 4 from the side, the width of the opening must be set to a size that allows at least one tension material 4 to pass through.
〈作用〉 つぎにジヤツキの使用方法について説明する。<Effect> Next, we will explain how to use Jatuki.
〈イ〉セット操作
第２図において、８はアンカーヘッドで、引張り材４を
把持および開放可能な楔８１を備えている。<A> Setting operation In FIG. 2, reference numeral 8 denotes an anchor head, which is equipped with a wedge 81 that can grip and release the tension member 4.
このアンカーヘッド８に引張り材４を挿通すると共に、
アンカーヘッド８を跨いで台座９を設置する。While inserting the tension member 4 into this anchor head 8,
A pedestal 9 is installed across the anchor head 8.
台座９は中央に引張り材４を挿通する開口９１または側
方から出入り可能なスリット付きの開口が開設しである
。The pedestal 9 has an opening 91 in the center through which the tension member 4 is inserted, or an opening with a slit that allows access from the side.
そして従来は引張り材４の端部からジヤツキのセンター
ホールに挿入してセットしていたが、本発明では、ジヤ
ツキの板体ｌを台座９に着座させる際に、各板体１．２
のスリット１２．２２から中央孔ＬＬ２１内へ引張り材
４を側方から導入するだけの操作で済む。Conventionally, the end of the tension member 4 was inserted into the center hole of the jack to set it, but in the present invention, when the jack plate 1 is seated on the base 9, each plate 1.
The only operation required is to introduce the tension member 4 from the side into the central hole LL21 through the slit 12.22.
引張り材４の導入を結えたら、板体２に台座プレート５
を引張り材４の側方からセットし、さらに台座プレート
５にアンカーヘッド６を載置し、一部の引張り材４また
は全部に楔６１をセットして把持する。After connecting the tension member 4, attach the pedestal plate 5 to the plate body 2.
is set from the side of the tension member 4, the anchor head 6 is placed on the pedestal plate 5, and a wedge 61 is set on a part or all of the tension member 4 and gripped.
この状態で、シリンダ３を一斉に伸長して引張り材４を
緊張する。In this state, the cylinders 3 are extended all at once to tension the tension member 4.
引張り材４の緊張力が所定の値に達したら、シリンダ３
を収縮して、楔８１で引張り材４を定着する。When the tension force of the tension member 4 reaches a predetermined value, the cylinder 3
is contracted, and the tension material 4 is fixed with the wedge 81.
く口〉撤去操作
引張り材４を除去する場合は、シリンダ３を一斉に伸長
してｆｆ８１による引張り材４の縁切りを行い除去する
。Exit> Removal operation When removing the tension material 4, the cylinders 3 are extended all at once and the edges of the tension material 4 are cut using the ff81 and removed.
予定の長さまで引張り材４を抜き取ったら、引張材４を
アンカーヘッド６から取り外すお共に、引張材４の途上
を各スリット１２．２２．１１から側方へ抜き取り、ジ
ヤツキの撤去を終了する。After pulling out the tensile material 4 to the planned length, the tensile material 4 is removed from the anchor head 6, and the middle part of the tensile material 4 is pulled out laterally from each slit 12, 22, 11 to complete the removal of the jack.
を外すだけでよく、撤去操作が簡単である。The removal operation is easy as all you have to do is remove it.
〈ハ〉 アンカーヘッドを交換するだけで種々のアンカ
ー工法へ適用できる。<C> Can be applied to various anchor construction methods by simply replacing the anchor head.
第１図：本発明のジヤツキの全体斜視図第２図：使用状
態の説明図
〈本発明の効果〉
本発明は以上説明したようになるから次の効果が得られ
る。
〈イ〉 ジヤツキを引張り材の途中の側方から差し込ん
でセットできるから、ジヤツキのセットが容易である。FIG. 1: Overall perspective view of the jack of the present invention FIG. 2: Explanatory diagram of the state of use <Effects of the present invention> As the present invention has been described above, the following effects can be obtained. <A> The jack can be set by inserting it from the side in the middle of the tension member, so setting the jack is easy.
Claims (1)
り材を緊張しまたは抜き取るアンカー用ジャッキにおい
て、 相対向して配置した二枚の板体の間に複数組の伸縮自在
のシリンダの両端を連結し、 前記各板体はその中央部に引張り材挿通用の中央孔を有
すると共に、 各板体の一部に前記各中央孔に連通して引張り材を側方
から中央孔に導入するスリットを有することを特徴とす
る、 アンカー用ジャッキ。(1) In an anchor jack that tensions or pulls out a tension member using a gripper installed at the end of the tension member, a plurality of sets of telescopic cylinders are installed between two plates facing each other. Both ends are connected, and each plate has a central hole in its center for passing the tension material, and a portion of each plate communicates with each of the central holes to introduce the tension material into the center hole from the side. An anchor jack, characterized in that it has a slit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18225290A JP2928946B2 (en) | 1990-07-10 | 1990-07-10 | Jack for anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18225290A JP2928946B2 (en) | 1990-07-10 | 1990-07-10 | Jack for anchor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0470470A true JPH0470470A (en) | 1992-03-05 |
| JP2928946B2 JP2928946B2 (en) | 1999-08-03 |
Family
ID=16115009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18225290A Expired - Lifetime JP2928946B2 (en) | 1990-07-10 | 1990-07-10 | Jack for anchor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2928946B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100832101B1 (en) * | 2007-02-01 | 2008-05-29 | 주식회사 삼우기초기술 | Supporting device for a ground anchor fixing equipment |
| JP2015074977A (en) * | 2013-10-04 | 2015-04-20 | 浩樹 椋田 | Caisson press-fit method applying jack structure, bamboo joint-like steel bar of the caisson press-fit method, jack structure of the caisson press-fit method and anchor structure of the caisson press-fit method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5721583B2 (en) * | 2011-08-09 | 2015-05-20 | オックスジャッキ株式会社 | Jacking device for tension |
-
1990
- 1990-07-10 JP JP18225290A patent/JP2928946B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100832101B1 (en) * | 2007-02-01 | 2008-05-29 | 주식회사 삼우기초기술 | Supporting device for a ground anchor fixing equipment |
| JP2015074977A (en) * | 2013-10-04 | 2015-04-20 | 浩樹 椋田 | Caisson press-fit method applying jack structure, bamboo joint-like steel bar of the caisson press-fit method, jack structure of the caisson press-fit method and anchor structure of the caisson press-fit method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2928946B2 (en) | 1999-08-03 |
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