JP2551433Y2 - Wedge driving device - Google Patents
Wedge driving deviceInfo
- Publication number
- JP2551433Y2 JP2551433Y2 JP1990104498U JP10449890U JP2551433Y2 JP 2551433 Y2 JP2551433 Y2 JP 2551433Y2 JP 1990104498 U JP1990104498 U JP 1990104498U JP 10449890 U JP10449890 U JP 10449890U JP 2551433 Y2 JP2551433 Y2 JP 2551433Y2
- Authority
- JP
- Japan
- Prior art keywords
- wedge
- fixing
- driving device
- hole
- fixing device
- 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
- Clamps And Clips (AREA)
Description
【考案の詳細な説明】 ＜産業上の利用分野＞ 本考案は引張材をくさびによって定着具に定着する際
に使用するくさび打込装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial application field> The present invention relates to a wedge driving device used for fixing a tensile member to a fixing device by wedges.
＜従来の技術＞ 構造物（原子力施設、斜張橋、バージ、建築物等）の
大型化が進むにつれて、大容量の引張材を用いる機会が
増えている。<Prior Art> As structures (nuclear facilities, cable-stayed bridges, barges, buildings, etc.) become larger, opportunities for using large-capacity tensile materials are increasing.
このような大容量の引張材に一本づつプレストレスを
導入した後、定着具に定着する場合には、現時点で我が
国には、分散方式のくさびによる定着工法（VSL工法、
フレシネー工法、ストロングホールド工法等）が一般的
に行われている。At the present time, in Japan, when a prestress is introduced into such a large-capacity tensile material one by one and then fixed to a fixing device, a dispersing wedge fixing method (VSL method,
Freycinet method, strong hold method, etc.) are generally used.
＜本考案が解決しようとする問題点＞ 従来の分散式定着工法は、人間の手作業または補助的
な手段（先端磁石方式、クリップ方式等）でくさびを打
ち込んでいた。<Problems to be Solved by the Present Invention> In the conventional distributed fixing method, wedges are driven in manually or by auxiliary means (tip magnet method, clip method, etc.).
ところが、大容量の定着の場合は、多数本の引張材が
狭い間隔で密集しているため、隣接する引張材が障害と
なり、定着に非常に長時間を要し、作業能率の低下を招
いていた。However, in the case of large-capacity fixing, since a large number of tensile members are densely arranged at narrow intervals, an adjacent tensile member becomes an obstacle, and it takes a very long time to fix, thereby lowering work efficiency. Was.
＜本考案の目的＞ 本考案は上記のような問題点を解決するためになされ
たもので、引張材の定着具に迅速かつ容易にくさびを打
ち込むことができるくさび打込装置を提供することを目
的とする。<Object of the present invention> The present invention has been made in order to solve the above-described problems, and an object of the present invention is to provide a wedge driving device which can quickly and easily drive a wedge into a fixing member of a tensile material. Aim.
＜問題点を解決するための手段＞ 即ち本考案は、引張材をくさびによって定着具に定着
する際に使用するくさび打込装置において、くさびを外
側から押え付けて、引張材の周面に仮止めする押さえ部
材と、この仮止めしたくさびを、定着具側に押し出す押
し出し部材とよりなる、くさび打込装置である。<Means for Solving the Problems> That is, according to the present invention, in a wedge driving device used for fixing a tensile material to a fixing device by a wedge, the wedge is pressed from the outside and temporarily attached to the peripheral surface of the tensile material. The wedge driving device includes a pressing member for stopping and a pushing member for pushing out the temporarily fixed wedge to the fixing device side.
＜本考案の説明＞ 以下、本考案を詳細に説明する。<Description of the present invention> Hereinafter, the present invention will be described in detail.
＜イ＞押さえ部材 押さえ部材は、くさびを外側から押え付けて、引張材
の周面に仮止めする機能を有する。<B> Holding member The holding member has a function of pressing the wedge from the outside and temporarily fixing the wedge to the peripheral surface of the tensile member.
例えば、第１図に示すように、中空の筒体の先端キャ
ップ１の一端に板バネ２を取り付けた構造が考えられ
る。For example, as shown in FIG. 1, a structure in which a leaf spring 2 is attached to one end of a distal end cap 1 of a hollow cylindrical body is conceivable.
先端キャップ１は、引張材３の外径よりも大きい径の
貫通孔を有しており、この貫通孔の一端部側には、内ネ
ジ部11を形成する。The tip cap 1 has a through hole having a diameter larger than the outer diameter of the tension member 3, and an inner thread portion 11 is formed at one end of the through hole.
先端キャップ１の内ネジ部11の反対側の端部の周面に
は、複数の板バネ２の一端を固定し、この板バネ２の自
由端は軸心側に向けて傾斜させて配置する。One end of a plurality of leaf springs 2 is fixed to the peripheral surface of the end of the tip cap 1 opposite to the inner thread portion 11, and the free ends of the leaf springs 2 are arranged to be inclined toward the axis. .
即ち、第１図に示すように、複数の板バネ２の自由端
によって、くさび４を引張材３との間に挟持できるよう
構成する。That is, as shown in FIG. 1, the wedges 4 can be sandwiched between the free ends of the plurality of leaf springs 2 and the tension members 3.
これによって、くさび４を引張材３の周面に仮止めす
ることが可能となる。As a result, the wedge 4 can be temporarily fixed to the peripheral surface of the tension member 3.
なお、上向き作業でくさび４を仮止めする場合は、板
バネ２を取り外して行うと効率良く作業を行える。In the case where the wedge 4 is temporarily fixed in the upward work, the work can be efficiently performed by removing the leaf spring 2.
＜ロ＞押し出し部材 押し出し部材は、引張材３の周面に仮止めしたくさび
４を、定着ヘッド５側に押し出すための部材である。<B> Extrusion Member The extrusion member is a member for extruding the wedge 4 temporarily fixed to the peripheral surface of the tensile member 3 toward the fixing head 5.
押し出し部材は、例えば、第１図に示すように、外管
６と内管７により構成する。The extruding member is composed of, for example, an outer tube 6 and an inner tube 7 as shown in FIG.
外管６は、引張材３の外径よりも大きい径の貫通孔を
有する筒体であり、一端部の外周面には、先端キャップ
１の内ネジ部11と螺合する外ネジ部61を形成する。The outer tube 6 is a cylindrical body having a through hole having a diameter larger than the outer diameter of the tension member 3, and has an outer thread portion 61 to be screwed with the inner thread portion 11 of the tip cap 1 on the outer peripheral surface at one end. Form.
内管７は、引張材３の外径よりも大きい径の貫通孔を
有し、かつ外径は外管６の内径よりも小さく形成した筒
体である。The inner pipe 7 is a cylindrical body having a through hole having a diameter larger than the outer diameter of the tensile member 3 and having an outer diameter smaller than the inner diameter of the outer pipe 6.
この内管７は、外管６よりも長く形成し、外管６内に
貫通させて、頭部をたたくことによってくさび４を下方
に押し出すよう構成する。The inner tube 7 is formed to be longer than the outer tube 6, penetrates into the outer tube 6, and is configured to push the wedge 4 downward by hitting the head.
なお、第３図に示すように、外管６の内径は、くさび
４の外径よりも小さく形成し、くさび４が上方に逆移動
しないよう構成する。In addition, as shown in FIG. 3, the inner diameter of the outer tube 6 is formed smaller than the outer diameter of the wedge 4 so that the wedge 4 does not move backward.
＜本考案の作用＞ 上記のように構成した各部材を引張材３の周面に取り
付ける。<Operation of the Present Invention> Each member configured as described above is attached to the peripheral surface of the tension member 3.
先ず、順に、先端キャップ１、外管６、くさび４を引
張材３の周面に取り付け、くさび４を定着ヘッド５の前
面に押し当てた後、内管７を取り付ける。First, the tip cap 1, the outer tube 6, and the wedge 4 are attached to the peripheral surface of the tension member 3 in order, and the wedge 4 is pressed against the front surface of the fixing head 5, and then the inner tube 7 is attached.
次に、内管７の頭部をたたき、第２図に示すように、
くさび４を定着ヘッド５の貫通孔51内に打ち込む。Next, strike the head of the inner tube 7 and, as shown in FIG.
The wedge 4 is driven into the through hole 51 of the fixing head 5.
以上のようにして、スムーズにくさび４の打ち込み作
業を行うことができる。As described above, the wedge 4 can be driven smoothly.
＜本考案の効果＞ 本考案は以上説明したようになるので、次のような効
果を期待することができる。<Effects of the present invention> Since the present invention is as described above, the following effects can be expected.
＜イ＞手作業によるくさびの打ち込みと異なり、内管を
たたくだけで迅速かつ容易に、しかも確実にくさびを打
ち込むことができる。<A> Unlike the wedge driving by manual operation, the wedge can be driven quickly and easily and surely simply by hitting the inner tube.
従って、大容量の引張材の定着作業の効率を高めるこ
とができる。Therefore, the efficiency of the fixing operation of a large-capacity tensile material can be improved.
＜ロ＞打ち込み作業が容易になったため、作業足場が簡
易なものでよい。<B> Since the driving work has been facilitated, a simple work scaffold may be used.
＜ハ＞作業中にくさびを落とすことがない。<C> Wedges are not dropped during work.
＜ニ＞くさびの打ち込み時に、手などを傷つけることが
少ない。<D> It is less likely to damage your hand when driving the wedge.
第１図：打込装置の構造の説明図 第２図：くさびを打ち込んだ状態の説明図 第３図：外管下端部の拡大説明図 Fig. 1: Explanatory view of the structure of the driving device Fig. 2: Explanatory view of a state in which a wedge is driven Fig. 3: Enlarged explanatory view of the lower end of the outer tube
Claims (1)
際に使用するくさび打込装置において、 くさびを外側から押え付けて、引張材の周面に仮止めす
る押さえ部材と、 この仮止めしたくさびを、定着具側に押し出す押し出し
部材とよりなり、 くさびの尾端に押し出し部材を当接させ、くさびの外側
を押さえ部材で押さえ付けた状態で打込装置全体を定着
具側に移動させて、くさびを定着具に開設した孔に接近
させるか、又はくさびの先端側を孔内に挿入した後に、
押し出し部材によりくさびを孔内に打ち込むよう構成し
たことを特徴とする、 くさび打込装置。1. A wedge driving device used for fixing a tension member to a fixing device by a wedge, comprising: a pressing member for pressing a wedge from the outside and temporarily fixing the wedge to a peripheral surface of the tension member; A pushing member that pushes the wedge toward the fixing device.The pushing member is brought into contact with the tail end of the wedge, and the entire driving device is moved to the fixing device while the outside of the wedge is pressed by the pressing member. After approaching the wedge to the hole opened in the fixing device, or after inserting the tip of the wedge into the hole,
A wedge driving device, wherein a wedge is driven into the hole by an extruding member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990104498U JP2551433Y2 (en) | 1990-10-05 | 1990-10-05 | Wedge driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990104498U JP2551433Y2 (en) | 1990-10-05 | 1990-10-05 | Wedge driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0462904U JPH0462904U (en) | 1992-05-28 |
| JP2551433Y2 true JP2551433Y2 (en) | 1997-10-22 |
Family
ID=31849798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990104498U Expired - Lifetime JP2551433Y2 (en) | 1990-10-05 | 1990-10-05 | Wedge driving device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2551433Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6192264A (en) * | 1984-10-06 | 1986-05-10 | 株式会社 春本鉄工所 | Apparatus for tensioning, loosening and fixing wire material |
-
1990
- 1990-10-05 JP JP1990104498U patent/JP2551433Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0462904U (en) | 1992-05-28 |
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