JPH047211Y2 - - Google Patents
Info
- Publication number
- JPH047211Y2 JPH047211Y2 JP1740688U JP1740688U JPH047211Y2 JP H047211 Y2 JPH047211 Y2 JP H047211Y2 JP 1740688 U JP1740688 U JP 1740688U JP 1740688 U JP1740688 U JP 1740688U JP H047211 Y2 JPH047211 Y2 JP H047211Y2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- short
- heat
- insulating cover
- pipes
- 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
Links
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 5
- 229920001187 thermosetting polymer Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
この考案は橋桁側から短管を順次主塔側へ引き
上げることによつて斜材を被覆する外管を架設す
る方法において、短管同士の接続に使用される、
斜張橋における斜材被覆用外管の接合装置に関す
るものである。[Detailed description of the invention] [Field of industrial application] This invention is a method of constructing an outer pipe that covers the diagonal members by sequentially pulling the short pipes from the bridge girder side to the main tower side. used for connection,
The present invention relates to a joining device for outer pipes for covering diagonal members in cable-stayed bridges.
斜張橋の施工において斜材を外管で被覆して架
設する場合、従来は短管を橋面上で接続して形成
された外管をクレーンで一括して吊り上げること
により行われていたが、この方法ではクレーンが
橋桁上に大きなスペースを占めると同時に、外管
の架設長さに限界がある等の問題を抱えていた。
In the construction of cable-stayed bridges, when the cable members were covered with an outer pipe and erected, this was conventionally done by connecting short pipes on the bridge surface and lifting the outer pipe all at once with a crane. However, with this method, the crane occupied a large space on the bridge girder, and at the same time there were problems such as a limit to the length of the outer pipe.
また現場で管体を継ぎ足して外管を構成する方
法があるが、橋桁上に斜材位置に沿つて足場を必
要とするため施工が大がかりである、天候に左右
される、非能率的である等の難点がある。 There is also a method of constructing the outer pipe by adding pipe bodies on site, but this method requires scaffolding on the bridge girder along the diagonal members, making the construction large-scale, dependent on the weather, and inefficient. There are other difficulties.
そこで出願人はワイヤを用いて短管を順次接続
しながら橋桁側から主塔側へ引き上げることによ
り上記問題点を解消した、外管の架設方法を特願
昭62−298798号（特開平１−142108号）で提案し
ている。 Therefore, the applicant proposed a method for constructing an outer pipe in Japanese Patent Application No. 62-298798 (Japanese Unexamined Patent Application Publication No. 1987-1992) which solved the above problem by connecting short pipes one after another using wires and lifting them up from the bridge girder side to the main tower side. 142108).
この方法は架設用のワイヤから吊り下げられた
ハンガーに短管を支持させ、これを接続する毎に
ハンガーとともに引き上げ用のワイヤで引き上げ
る、というものであるが、本考案はこの方法で実
施される短管の接合装置を加えて提案しようとす
るものである。 In this method, a short pipe is supported by a hanger suspended from an erection wire, and each time the short pipe is connected, it is pulled up together with the hanger by a lifting wire, and the present invention is implemented using this method. This is an attempt to add a short pipe joining device.
斜材を被覆する外管を構成する短管は接続用の
継手パイプ内に両側から差し込まれ、それとの空
隙に熱硬化性の接着剤を充填することによつて接
合される。
The short tubes constituting the outer tube that covers the diagonal members are inserted from both sides into the joint pipe for connection, and are joined by filling the gap with the short tubes with a thermosetting adhesive.
本考案では接合される２本の短管の端部をそれ
ぞれバンドで把持し、バンドをターンバツクル等
の連結部材で連結することにより短管をその接着
時、継手パイプ側へ押圧した状態に保ち、また継
手部回りに中空の保温カバーを被せてこの部分を
密閉するとともに、保温カバーにヒータを取り付
けて内部を加熱することにより接着剤の硬化を促
し、高い品質で、迅速に接合を完了させることを
可能とする。 In the present invention, the ends of the two short pipes to be joined are each held by a band, and the bands are connected by a connecting member such as a turnbuckle to keep the short pipes pressed toward the joint pipe during bonding. In addition, a hollow heat-insulating cover is placed around the joint to seal this area, and a heater is attached to the heat-insulating cover to heat the inside to accelerate the curing of the adhesive and quickly complete the bond with high quality. is possible.
以下本考案を一実施例を示す図面に基づいて説
明する。
The present invention will be explained below based on the drawings showing one embodiment.
この考案の接合装置Ａは、第１図に示すように
主塔Ｔと橋桁Ｇ間に張架されたガイドワイヤ８及
びそれから吊り下げられたハンガー９を利用して
短管５を順次接続する毎にこれを主塔Ｔ側へ引き
上げ、斜材を被覆する外管を架設する方法におい
て、短管５，５の接合を行うものである。 As shown in FIG. 1, the joining device A of this invention uses a guide wire 8 stretched between the main tower T and the bridge girder G and a hanger 9 suspended from the guide wire 8 to connect the short pipes 5 one after another. In this method, the short pipes 5, 5 are joined in a method in which the pipe is pulled up to the main tower T side and an outer pipe covering the diagonal member is erected.
短管５，５は第２図に示すように端部を継手パ
イプ６内に差し込み、両者の空隙に接着剤７を充
填し、これを硬化させることにより接合され、接
合装置Ａは接着剤７の充填後、短管５，５を継手
パイプ６側へ引き寄せた状態を保持しながら接着
剤７を硬化させるものである。接着剤７には熱硬
化性の接着剤が用いられる。 As shown in FIG. 2, the short pipes 5, 5 are joined by inserting their ends into the joint pipe 6, filling the gap between them with adhesive 7, and curing this. After filling, the adhesive 7 is cured while keeping the short pipes 5, 5 drawn toward the joint pipe 6. A thermosetting adhesive is used as the adhesive 7.
接合装置Ａは第３図に示すように短管５，５の
端部を把持するバンド１，１と、バンド１，１を
短管５の軸方向に連結する連結部材２，２と、継
手部回りに被せられる保温カバー３と、保温カバ
ー３に取り付けられるヒータ４とから構成されて
おり、短管５，５はバンド１，１と連結部材２，
２とによつて継手パイプ６側へ引き寄せられた状
態に保たれる。 As shown in FIG. 3, the joining device A includes bands 1, 1 that grip the ends of the short pipes 5, 5, connecting members 2, 2 that connect the bands 1, 1 in the axial direction of the short pipe 5, and a joint. It is composed of a heat insulating cover 3 that is placed around the body, and a heater 4 that is attached to the heat insulating cover 3.
2 and is maintained in a state where it is drawn toward the joint pipe 6 side.
バンド１は第４図−に示すように半割りにし
た円管にフランジ１ａ，１ａを形成し、内側にゴ
ム１０等を張り付けたもので、フランジ１ａ，１
ａ間に通されるボルト１１によつて短管５に取り
付けられる。 As shown in Fig. 4, the band 1 is made of a circular tube cut in half with flanges 1a, 1a and rubber 10 etc. pasted on the inside.
It is attached to the short pipe 5 by a bolt 11 passed between the holes a and a.
連結部材２には図示するようなターンバツク
ル、もしくは油圧ジヤツキ等が用いられ、これは
バンド１，１の外周に均等に突設されたプレート
１２，１２間に架設される。 A turnbuckle, hydraulic jack, or the like as shown in the drawing is used as the connecting member 2, and this is installed between plates 12, 12, which are evenly protruded from the outer periphery of the bands 1, 1.
保温カバー３は図示するように短管５の径より
大きめの、半割りにした円筒の側面に側板を張り
付けた形状のもので、第２図のように短管５，５
端部と継手パイプ６回りに被せられる。 As shown in the figure, the heat insulation cover 3 has a shape in which a side plate is attached to the side surface of a halved cylinder whose diameter is larger than the diameter of the short pipes 5.
Covers the end and around the joint pipe 6.
保温カバー３に第３図のようにヒータ４が取り
付けられ、ヒータ４によつて保温カバー３内部を
加熱することにより接着剤７を硬化させ、短管
５，５の接合が行われる。 A heater 4 is attached to the heat-insulating cover 3 as shown in FIG. 3, and the heater 4 heats the inside of the heat-insulating cover 3 to harden the adhesive 7, thereby joining the short tubes 5, 5.
なお、温風が保温カバー３内に均等に行き亘る
よう、また短管５に塗装を施した場合に直接温風
が当たることを防止するために鎖線で示すように
保温カバー３内に整風板１３を取り付ける場合も
ある。 In addition, in order to distribute the hot air evenly inside the heat insulation cover 3 and to prevent hot air from directly hitting the short pipe 5 when the short pipe 5 is painted, an air conditioning plate is installed inside the heat insulation cover 3 as shown by the chain line. 13 may be installed.
この考案は以上の通りであり、バンドと連結部
材によつて短管を継手パイプ側へ引き寄せた状態
を保ちながら、保温カバーで密閉された継手部を
ヒータによつて加熱するものであるため短管の接
合を強固に、迅速に、高品質で行うことができ
る。
This idea is as described above, and the short pipe is kept drawn to the joint pipe side by the band and the connecting member, and the joint sealed with the heat insulating cover is heated by the heater. Pipes can be joined firmly, quickly, and with high quality.
第１図−，は外管の架設要領を示した概要
図、第２図は短管接合の様子を示した断面図、第
３図は本装置の取付状況を示した斜視図、第４図
−，は本装置の構成例を示したそれぞれ側面
図、正面図である。
Ａ……接合装置、１……バンド、１ａ……フラ
ンジ、２……連結部材、３……保温カバー、４…
…ヒータ、５……短管、６……継手パイプ、７…
…接着剤、８……ガイドワイヤ、９……ハンガ
ー、１０……ゴム、１１……ボルト、１２……プ
レート、１３……整風板、Ｔ……主塔、Ｇ……橋
桁。
Figures 1- and 2 are schematic diagrams showing how to install the outer pipe, Figure 2 is a sectional view showing how the short pipes are joined, Figure 3 is a perspective view showing how this device is installed, and Figure 4. -, are a side view and a front view, respectively, showing a configuration example of the present device. A...Joining device, 1...Band, 1a...Flange, 2...Connection member, 3...Heat insulation cover, 4...
...Heater, 5...Short pipe, 6...Joint pipe, 7...
...adhesive, 8...guide wire, 9...hanger, 10...rubber, 11...bolt, 12...plate, 13...air baffle plate, T...main tower, G...bridge girder.
Claims (1)
覆する外管を構成する短管を、継手パイプとの空
隙に充填される熱硬化性の接着剤により接合する
装置であり、接合される２本の短管の端部をそれ
ぞれに把持するバンドと、バンドを短管軸方向に
連結する連結部材と、継手部回りに被せられ、こ
れを密封する中空の保温カバーと、保温カバーに
取り付けられ、保温カバー内を加熱するヒータと
からなる斜張橋における斜材被覆用外管の接合装
置。 This is a device that connects the short tubes that are inserted into the joint pipe from both sides and make up the outer pipe that covers the diagonal material using a thermosetting adhesive that fills the gap between the two pipes. a band that grips each end of the short tube; a connecting member that connects the bands in the axial direction of the short tube; a hollow heat-insulating cover that covers and seals the joint; and a heat-insulating cover that is attached to the heat-insulating cover; A device for joining outer pipes for cable covering in cable-stayed bridges, which consists of a heater that heats the inside of the insulation cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1740688U JPH047211Y2 (en) | 1988-02-12 | 1988-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1740688U JPH047211Y2 (en) | 1988-02-12 | 1988-02-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01120508U JPH01120508U (en) | 1989-08-15 |
| JPH047211Y2 true JPH047211Y2 (en) | 1992-02-26 |
Family
ID=31231158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1740688U Expired JPH047211Y2 (en) | 1988-02-12 | 1988-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH047211Y2 (en) |
-
1988
- 1988-02-12 JP JP1740688U patent/JPH047211Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01120508U (en) | 1989-08-15 |
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